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Imaging apparatus

An imaging apparatus includes a shooting lens having a focus lens for adjusting a degree of focus on an imaging plane; an image sensor converting an optical image of a photographic subject to an electric image signal and outputting it; a confirmation image creator creating a focus state confirmation image in which a part, or a whole of an image expressed by the image signal is enlarged; a display displaying the focus state confirmation image; and a focus evaluation value calculator calculating a focus evaluation value based on the image signal; wherein when a state of an inclination of change in a focus evaluation value calculated at a plurality of positions of the focus lens while moving the focus lens is different from a state of an inclination of change in a focus evaluation value calculated immediately before, the focus state confirmation image is displayed on the display.




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Reducing light damage in shutterless imaging devices

A method of reducing light damage in a shutterless imaging device includes receiving a signal from a hardware device. The signal from the hardware devices is analyzed. In response to the analysis of the signal from the hardware device, a lens of the shutterless imaging device is adjusted. Adjusting the lens spreads out energy of far-field image light incident on an image sensor of the shutterless imaging device.




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***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Image sensing and printing device

An image sensing and printing digital camera device includes a housing defining a slot for receiving a printed instruction card having printed thereon an array of dots representing a programming script, the housing further storing therein a roll of print media; an area image sensor for sensing an image and generating pixel data representing the image; a linear image sensor for scanning the array of dots on the card and converting the array of dots into a data signal; a microcontroller provided in the housing, the microcontroller for decoding the data signal into the programming script and applying the programming script on the pixel data; and a printing mechanism for printing the pixel data, having applied thereto the programming script, on the roll of print media. The microcontroller integrates on a single chip a VLIW processor, a printhead interface, and an output buffer effecting communication between the VLIW processor and the printhead interface.




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Lens holder driving device capable of avoiding deleterious effect on hall elements

An AF unit of a lens holder driving device includes a lens holder, a focusing coil, a permanent magnet having a plurality of permanent magnet pieces having first surfaces opposed to the focusing coil, a magnet holder holding the permanent magnet, and first and second leaf springs supporting the lens holder in a direction of an optical axis shiftably. An image stabilizer portion includes a fixed portion disposed near the second leaf spring, a supporting member swingably supporting the AF unit with respect to the fixed portion, an image stabilizer coil having a plurality of image stabilizer coil portions disposed so as to oppose to second surfaces of the plurality of permanent magnet pieces that are perpendicular to the first surfaces, and a plurality of Hall elements. Each Hall element is disposed at a position where the image stabilizer coil portion is separated into a plurality of coil parts.




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Bufferless nonblocking networks on chip

Network on Chips (NoC)s with a bufferless and nonblocking architecture are described. Core processors are communicatively coupled together on a substrate with a set of routing nodes based on nonblocking process. A network component routes data packets through the routing nodes and the core processors via communication links. A bufferless cross bar switch facilitates the communication of the data packets and/or path setup packets through the communication links among source processors and destination processors. The communication links include one or more channels, in which a channel comprises a data sub-channel, an acknowledgement sub-channel and a release sub-channel.




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Holding device for a camera

The invention pertains to a device which allows a person to hold a camera with a first arm (10) which extends longitudinally in the first extension direction (E). The first arm (10) is designed to be attached to or detached from the camera (2) and features a first free end (100) and a chin rest surface (21) provided on that first free end (100). The chin rest surface (21) is designed to rest on the chin (K) of the person (P) holding the camera (2). A second arm (30) extends from the first arm (10) along the second extension direction (E') and features a free end (31) where a grip area (32) is provided. This grip area (32) is designed to allow a person (P) to grasp the camera with one hand (H) using the device (1) and is kept separate from the chin rest surface (21) along the first extension direction (E).




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Exchangeable lens and camera body

An exchangeable lens includes: a mount unit at which a camera body is detachably engaged; a plurality of drive target members, conditions of which change as a drive force is applied thereto; an initialization unit that executes initialization processing for each of the plurality of drive target members; an initialization status transmission unit that transmits initialization statuses, each indicating a status of the initialization processing executed for one of the drive target members, to the camera body via a first transmission path over predetermined first cycles; and a drive condition transmission unit that transmits a drive condition of at least one drive target member among the plurality of drive target members to the camera body via a second transmission path different from the first transmission path over predetermined second cycles different from the predetermined first cycles.




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Periphery monitoring apparatus

A periphery monitoring apparatus capable of photographing a vicinity of a vehicle without impairing the outer appearance of the vehicle includes a light source configured to be provided in the vehicle for illuminating the periphery of the vehicle, and a camera photographing a condition of the periphery of the vehicle with an optical axis changed by a mirror toward the underside of the circumferential edge of the vehicle illuminated by at least a portion of light irradiated from the light source reflected by the mirror configured to be disposed on the outer side of the circumferential edge of the vehicle.




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Method and apparatus for self camera shooting

A method enables self-camera shooting in a mobile terminal. In the method, whether a first user input is detected is determined. When the first user input is detected, a half shutter mode is entered. Whether a second user input is detected is determined. When the second user input is detected, self-camera shooting is performed.




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Interchangeable lens camera, camera body, lens unit, and busy signal control method

An aspect of the present invention provides an interchangeable lens camera having a camera body and a lens unit that is freely attachable and detachable to the camera body. In the interchangeable lens camera, a communications unit in the camera body sends via communications terminals (MT_MOSI and MT_MISO) an INTR_BUSY control instruction that instructs whether to make notification with a busy signal (INTR_BUSY signal) for any operation out of a plurality of types of operations that can be executed, and the lens unit or camera body communications unit sets the busy signal (INTR_BUSY) to an ON state (low level) only during the period of operation of the type indicated by the INTR_BUSY control instruction.




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Image photographing apparatus having a slidable shutter assembly

An image photographing apparatus capable of maintaining the size of a sensor plate even in a case when the size of a shutter assembly is increased, the image photographing apparatus including a shutter assembly configured to control an amount of light entered, an image sensor disposed at a rear of the shutter assembly to change the light to an electrical signal, a sensor plate configured to support the image sensor, and a main frame configured such that the shutter assembly and the sensor plate are be mounted thereon, wherein the main frame includes a frame base, and a shutter mounting portion protrudedly formed from the frame base such that the shutter assembly is mounted in a sliding manner on the shutter mounting portion.




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Component cover having variable light transmissivity

In a broad aspect, embodiments described herein are generally directed to an electronic device comprising: a housing; a component mounted within the housing; a component cover in fixed relation to the housing; wherein the component cover is configurable between at least a first state and a second state; and wherein light transmissivity through the component cover is greater when in the second state than when in the first state. In some implementations, in the first state the component cover is substantially opaque, or in the second state the component cover is substantially transparent.




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System and method for storing images captured from a booth

A system for capturing images in a booth. The system includes a network, a server communicatively coupled to the network, the server comprising a database operable to store images. The system further includes a booth communicatively coupled to the network, the booth comprising an input device operable to receive one or more inputs from a user, a camera operable to capture one or more images of the user, a display operable to present the one or more images, and a booth computer operable to transmit the one or more images to the server.




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Interchangeable lens and camera system

An interchangeable lens attachable to a camera body includes an image pickup optical system configured to form an optical image of an object, and a controller configured to start initializing an optical element included in the image pickup optical system so as to move the optical element to a predetermined position when the controller receives a first signal that commands a start of an initialization from the camera body, and configured to start initializing the optical element after the controller receives identification information from the camera body and a period elapses for which the camera body consumes more than a predetermined amount of power when the controller does not receive the first signal from the camera body.




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Method and apparatus for determining linear position using multiple magnetic field sensors

The linear position of an object is estimated using multiple magnetic field sensors and a magnet. The multiple magnetic field sensors are held in fixed relation to one another and in moving relation with respect to the magnet. Readings of the first and second magnetic field sensors and the fixed distance between the first and second magnetic field sensors may be used to estimate the linear position. In some embodiments, an estimated frequency of an approximately sinusoidal field versus position characteristic is also used as part of the estimation.




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Camera system with rotating mirror

An image system configured to record a scanned image of an area. The system includes a single two-dimensional (2D) imager and a rotatable mirror. The 2D imager is formed of a two-dimensional (2D) array of light detectors. The 2D imager is operable in a line-scan mode effective to individually sequence an activated line of light detectors at a time. The rotatable mirror is configured to rotate about an axis parallel to a plane defined by the rotatable mirror. The rotation is effective to vary an angle of the rotatable mirror to pan a projected image of the area across the 2D imager. The angle of the rotatable mirror and the activated line of the 2D imager are synchronized such that the scanned image recorded by the 2D imager is inverted with respect to the projected image.




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Imaging apparatus with display and image display apparatus

A digital camera is provided with a vertically long camera body having an approximately rectangular solid shape. An LCD panel provided in a rear surface of the camera body is arranged such that longitudinal directions of the display screen and the camera body correspond to each other. The digital camera is operated through a touch panel provided in a lower portion of the display screen. In a taking mode, an image is displayed in a small size on an upper portion of the display screen. In reproducing, the camera body is rotated sideways by 90 degree. In a reproducing mode, display posture of the image is also rotated by 90 degree, and the image is displayed in a large size on the entire display screen.




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Toy projectile launching system

A toy projectile launching system including at least one launchable toy projectile, including at least one RFID tag, and a toy projectile launching apparatus, including a housing, a projectile launching mechanism, a projectile receptacle, and an RFID writer adapted to write tag data to the at least one RFID tag, wherein the toy projectile is adapted to be loaded into the projectile receptacle and launched by the projectile launching mechanism.




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Swinging bob toy with reversibly separable bobs

A swinging bob toy having three bobs constrained on a string, the middle bob being slideably constrained between the two end bobs, and at least one of the bobs being reversibly separable into two partial bobs. A wide variety of new tricks and maneuvers are made possible by the separability of the bobs. The two partial bobs have roughly the same weight thereby providing balanced orbits. Each of the two partial bobs slides less easily along the string than a non-separated bob. The two partial bobs have roughly the same diameter along at least one axis thereby allowing visual illusions to be performed.




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Apparatus for a throwing game

A throwing disc, goal apparatus, and game are provided. A disc includes a central hub with blades projecting equiangularly from the hub. The blades are circumscribed by and joined to an outer perimeter ring that aids in throwing. The blades of the disc act as airfoils and impart unique flight characteristics to the disc. A goalpost is comprised of two vertical sections, joined by a horizontal cross-bar located above the midline of the vertical sections, and supported by a rectangular frame oriented perpendicularly to the vertical sections. A scoring pad is included. The game is played by tossing the disc and attempting to pass the disc while in flight between the vertical posts and above the horizontal cross-bar of the goalpost, and landing the disc on the scoring pad.




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Building blocks and building block fasteners

A building block (100) comprises a first mating portion and a second mating portion which are complementary. The first mating portion comprises a mating protrusion (140) which defines an axially extending through bore (144) and the second mating portion comprises an axially extending mating receptacle (180) which is complementary to the mating protrusion (140). The mating protrusion (140) and the mating receptacle (180) are in communication via the through bore (144), and a fastener anchoring device (146) adapted for engaging with an engagement means (920) of a fastener (900) is formed inside the through bore (144). The through bore (144) is adapted to permit axial insertion of the engagement means (920) of the fastener (900) into the mating protrusion (140). The fastener anchoring device (146) is adapted to obstruct axial passage of the engagement means (920) until the engagement means (920) overcomes the obstruction by negotiating rotationally with the fastener anchoring device (146) to thereby gain axial advancement and enter into engagement with the fastener anchoring device (146).




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Gravity-slowing self propelling game device

The game device for a user including a flexible closure for receiving impacts from the user, one or more filler placed inside the flexible closure for reducing recoiling of the flexible closure from the surface on receiving impacts, a mechanical unit attached to the inner walls of the flexible closure and a gravity slowing unit attached to the mechanical unit for reducing the gravitational pull acting on the flexible closure. The mechanical unit includes an electric motor for providing torque, an impact sensor for sensing the impacts received from the user, and a power source for energizing the electric motor and the impact sensor. The gravity slowing unit includes a spring-loaded hinge for stabilizing the flexible closure from impacts projected by the user, a spring-loaded shaft connected to the electric motor through the spring-loaded hinge for rotating to rotate on receiving torque from the electric motor and at least one set of propellers connected to the spring-loaded shaft for the receiving torque and providing thrust against gravitational pull acting on the flexible closure.




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Managing virtual content based on information associated with toy objects

The system described in this disclosure may be configured to read information stored on toy objects that indicates whether the toy objects have been used and/or are being used with other toy objects, gaming systems, and/or other devices. The system described in this disclosure may be configured to facilitate an association of the information stored on the toy objects with virtual entities in a virtual space, update virtual content associated with the virtual entities, determine relationships between users, and/or other perform other functions based on the information stored on the toy objects. The information stored on the toy objects may be updated responsive to the toy objects being used by users with other toy objects, gaming systems, and/or other devices. The use of the toy objects by users may include two or more users playing together with toy objects and/or playing with gaming systems associated with the toy objects.




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Head structure of robot, and driving method for the head

A head structure of a robot according to the invention includes a first motor and a second motor so supported side by side within a head of the robot that output shafts are positioned coaxially with each other; a left elastic frame that is so driven by the first motor and one end of which is so fitted as to be rotatable around the output shaft and the other end of which extending in a perpendicular direction from the output shaft is supported by a trunk of the robot; and a right elastic frame that is so driven by the second motor and one end of which is so fitted as to be rotatable around the output shaft and the other end of which extending side by side with the left elastic frame from the output shaft is supported by the trunk.




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Floating squirting toy

A squirting toy is comprised of a cylindrical housing and a piston that slides within to force water into or out of the housing via a hole therein. The housing is encased within a shell creating a water impervious volume sufficient for the toy to float in water. The shell is soft, so that the gun is not a safety hazard when left floating in a swimming pool. Handles associated with one or both actuating portions of the squirting toy are provided for gripping and operating the squirting toy more effectively.




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Flapping flying robot

A flapping flying robot including a body with a longitudinal side extending in a front to back direction, a left wing and a right wing respectively including a left front frame and a right front frame, base ends of the left and right front frames rotatably attached to a front side of the body, and a flapping structure mounted on an upper side of the body, the flapping structure powered by a rotary drive source, the flapping structure rotating the left and right front frames and thereby flapping the left and right wings and a duration of an upstroke of the left and right wings flapped by the flapping structure is shorter than a duration of a downstroke of the left and right wings to generate a lift force.




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Simplified modularized contact type of conductive building block

A simplified modularized contact type of conductive building block includes: a brick, at least one pair of conductive pieces, a circuit board and a base. The brick includes at least one pair of studs projected from a top thereof. The conductive piece has an insertion electrode and a connection electrode respectively disposed at two ends thereof and a contact electrode disposed between the insertion electrode and the connection electrode. The conductive pieces are inserted through the insertion through holes of the circuit board. The circuit board includes a positive electrode circuit and a negative electrode circuit respectively contacted with the at least one pair of the conductive pieces. The conductive pieces are further inserted through the through holes of the base. The circuit board and the base are fixed in the brick.




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Toy building block

A toy building block (1) for stacking is provided on top (4) with one or more studs (3) and in the bottom (7) with recesses (6). The studs (4) show a toothwheel-like cross-section with rounded teeth crests (12) and rounded grooves (10) between the teeth (12) as well. The recesses (6) are provided each with a number of vertically extending lands (14) matching in shape the grooves (10). The studs easily slide in and out of the recesses (6), yet a rotational arretation of low play is obtained. Preferably, the building blocks are produced by a blowing process and may be provided with screws (21) for a safe interconnection. External slots (46) may allow the combination with panels (47) bearing images, additional functional elements etc.




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Assembly kit for creating three-dimensional formations, especially toy structures from prefabricated modular building blocks

An improved set of toy building or construction blocks, each block having a substantially square cross-section and a generally rectilinear configuration. Incorporated into the structure of the individual toy blocks are transversely oriented slots, grooves and protrusions of predetermined size and location. The slots, grooves and protrusions of pre-determined size and location are of either male or female configuration disposed medially along one or more plane of each block. When the male protrusion of one block is introduced perpendicular to the female slot of one end of another block, a frictional engagement is created resulting in a right angle. When the male protrusion of one block is introduced to the female slot in a linear fashion the result is a line segment. Joining a plurality of said toy building or construction blocks using various perpendicular connections in conjunction with linear connections results in the stable formation of construction or geometric structures without the use of fasteners or other connecting elements.




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Game calling device having varied pitch and intensity

A game calling device including a mouthpiece having inlet and outlet portions and holes between the inlet and outlet portions, whereby sounds having varied pitch and intensity can be generated. The game calling device also includes an inner tubular member that at least partially houses a reed and configured to be selectively positioned on the axial direction of the reed so that the emitted sound can be varied based at least on the position of the inner tubular member along the reed and thereby allowing the game calling device to be used hands-free.




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Toy construction system having a rotatable connector/spinner device

A toy construction system is provided that includes, in a toy construction system having a multiplicity of interconnecting members adapted for constructing a variety of projects, a rotator head device including a device housing having a conical-shaped cavity formed therein. The housing includes a plurality of female twist-lock connectors formed on the outer surface thereof, and the female connectors are adapted for attaching a first member of the toy construction system to the rotator head device housing. A rotating member, which is conical in shape and slightly smaller in size than the cavity formed in the device housing is included. The rotating member is rotatably disposed within the cavity and has a male twist-lock connector stem extending from an end thereof for connecting a second member of the toy construction system to the rotating member, whereby the first member is rotatable with respect to the second member.




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Modular Building System

A modular building set having a plurality of interlocking members comprising a plurality of planks and a plurality of posts. The planks each comprise a central plank member having two pairs of opposing recesses and four pairs of opposing parallel bars with two pairs of bars located equidistant one another on either the recesses. The posts each comprise a central post member with a pair of opposing central recesses depending from the upper and lower edges. The posts each have two pairs of opposing bar members with one set of bar members between the opposing central recesses and a first end a post, and another set of bar members between the opposing central recesses and a second end opposite said first end. The plank and/or post members interlockably engage one another by joining a recess of a first member with the recess of the second member.




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Hanging lamp assembly

A hanging lamp assembly provides visual stimulation and relaxation. The assembly includes a container having a transparent perimeter wall defining an interior space. A first fluid and a second fluid are positioned in the interior space defining a liquid mass. The second fluid has a density different than a density of the first fluid wherein the first fluid and the second fluid are layered within the interior space defining a fluid interface between the first liquid and the second liquid. The first fluid is a non-clear color and the second fluid is a different color than the first fluid. A plurality of items is positioned in the interior space such that the items are suspended in the liquid mass. A light source is coupled to the container directing light towards the liquid mass. A hanger is coupled to the container such that the container swings freely from a supporting structure.




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Image capturing toy

An image capturing toy may include a toy vehicle that may include at least one wheel and a camera, the camera including a camera lens and/or a housing that may include a first aperture and a wheel chock configured to inhibit displacement of a wheel. The housing may be moveable from an open position in which the toy vehicle may be placed in and removed from the housing, to a closed position in which the housing releasably encases the toy vehicle such that the camera lens is accessible through the first aperture and the wheel chock engages the at least one wheel.




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Dollhouse and method of folding the dollhouse

A dollhouse is moveable from a closed or folded position to an open or unfolded position. In its open configuration, the dollhouse provides one or more play areas on each side of the dollhouse. The dollhouse can be provided with a variety of sensors for detecting play activities and providing feedback such as audible feedback, motion or lights in response to the specific play activities. Feedback can also be produced in response to the order in which the sensors are activated and in response to activation by particular play components to encourage desired play behavior.




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Money saving system

A system for facilitating the saving of money including a container having a slot disposed through a top surface of the container. The system includes a hinged door, a hook member, and a locking device. The system includes a slot sensor module configured to sense objects passing through the slot; and a hook sensor module configured to sense utilization of the hook member. The system includes an audio module configured to provide audio broadcasts. The system includes a control module configured to provide operational controls to the modules of the system. The control module includes a timing module and program module, the program module including an instruction set providing for an audio broadcast of the audio module triggered by a predetermined association of a sensor event and the passing of a predetermined period of time. The system includes a first bag and a second bag configured to store money.




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Interactive building block toy

An interlocking toy block set may include at least two blocks with at least one constraining groove formed in a surface of each of the at least two blocks. At least one connector may have at least two attachment members formed thereon. The attachment members may have a cross-sectional shape corresponding to a cross-sectional shape of the constraining grooves.




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Moldable sand compositions and methods for making the same

The present invention relates to moldable sand compositions, methods for making the moldable sand compositions, and methods for using the moldable sand compositions. In a particular embodiment, the moldable sand composition comprises between about 70% to about 95% sand, between about 5% to about 30% water, a polar polymeric resin, a crosslinking agent, and a humectant. In an exemplary embodiment, the composition contains no oils, waxes, glycols, or rubbers. The composition is capable of becoming hardened over time in order to maintain the achieved shape, and can be re-wetted and molded again after becoming hardened.




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Interactive toy apparatus and method of using same

A toy apparatus and method for interactive communication between a cellphone and a toy apparatus is disclosed. In an embodiment of the present invention, a method is provided, the method including: transmitting by the cellphone at least one signal; receiving by the toy apparatus the at least one signal; analyzing by the toy apparatus the at least one signal; determining by the toy apparatus at least one response to the at least one signal; and producing by the toy apparatus the at least one response.




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Print-level sensing for interactive play with a printed image

A method, system, and apparatus are provided for interactively playing with a printed image. A printed image resembling a game board, book, or picture, is provided. The printed image includes a registration area and a plurality of feedback areas in which an indicator color is printed at a predetermined level, e.g. percentage of area. A figurine is provided that includes a light source and light sensor. The light source and light sensor are placed in proximity to the designated areas in the image to sense the level of the indicator color printed therein and an associated output is provided. The registration area is useable to identify a predefined template associated with the image to allow feedback of the figurine with a plurality of different printed images. The figurine can include an ultraviolet light source to activate graphics printed in the image with photochromic ink.




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Model helicopter attitude control and receiving device with reduced size and self-learning features

A model aircraft control and receiving device in a housing, comprising an electronic, gyroscopic multi-axis programmable flight attitude controller, having control inputs for a plurality of control channels and inputs for gyroscope signals, wherein the flight attitude controller provides at least one input for a receiver module disposed inside or outside of the housing of the flight attitude controller. The device may be used in a method for controlling and stabilizing a model helicopter, wherein the control comprises a self-learning function and/or the control comprises a coupling of the tail controller to the swashplate controller and/or the control comprises a stopping support function.




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Driving and controlling method for biomimetic fish and a biomimetic fish

An aquatic toy that is a biomimetic fish with a watertight body portion. The body portion contains a battery electrically connected via a controller to at least one coil. The coil is positioned relative to a magnet and the coil can be caused to oscillate by virtue of a controller defined alternating current passing through the coil. The oscillation of the coil causes movement of a tail fin that is engaged to said watertight body to cause the fish to move forward through a body of water.




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Fiber with asymmetrical core and method for manufacturing same

An optical active fiber is configured with an asymmetrically-shaped core having at least one long axis and a shortest axis which extends transversely to the long axis. The outmost cladding of the active fiber is configured with a marking indicating the orientation of the short axis. The marking allows for bending the fiber so that the shortest axis extends along and lies in the plane of the bend thereby minimizing distortion of a mode which is guided by the asymmetrically-shaped core as light propagates along the bend.




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Broadband short pulse fiber lasers capable of generating output spectra broader than gain bandwidth

Implementations and examples of fiber lasers based on fiber laser cavity designs that produce self-similar pulses (“similaritons”) to achieve a pulse spectral bandwidth greater than a gain spectral bandwidth based on a spectral broadening fiber segment and a spectral filter to ensure the proper similariton conditions.




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Multi-color harmonic synthesized laser system for laser processing and laser processing method using multi-color harmonic synthesized laser

A multi-color harmonic synthesized laser system for laser processing and a laser processing method using multi-color harmonic synthesized laser are disclosed. The multi-color harmonic synthesized laser system includes a laser source for providing a single laser wave, a converter for converting the single laser wave into a plurality of harmonic waves with different frequencies, and a modulating unit for modulating amplitudes and relative phases of the harmonic waves to form a plurality of modulated harmonic waves, so as to synthesize the modulated harmonic waves as a single synthesized laser wave, wherein the single synthesized laser wave is focused on an object to perform a laser processing. The converter includes a plurality of non-linear crystals for converting the single laser wave into a fundamental harmonic wave and a plurality of multi-frequency harmonic waves. The harmonic waves are coherent and collinear, and the phases of the harmonic waves are related to one another.




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Methods of modulating microlasers at ultralow power levels, and systems thereof

A microlaser system includes an optical source, a microlaser, an actuator switch, and a photovoltaic power source. The microlaser, which includes a control element, is optically pumped by at least a portion of light emitted by the optical source. The actuator switch is configured to be activated by a triggering event. Furthermore, the photovoltaic power source is coupled in a series connection with the actuator switch and the control element, the series connection configured to connect the photovoltaic power source to the control element of the microlaser when the actuator switch is activated by the triggering event.




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Temperature measurement and control for laser and light-emitting diodes

The existing diodes in an LED or laser diode package are used to measure the junction temperature of the LED or laser diode. The light or laser emissions of a diode are switched off by removing the operational drive current applied to the diode package. A reference current, which can be lower the operational drive current, is applied to the diode package. The resulting forward voltage of the diode is measured using a voltage measurement circuit. Using the inherent current-voltage-temperature relationship of the diode, the actual junction temperature of the diode can be determined. The resulting forward voltage can be used in a feedback loop to provide temperature regulation of the diode package, with or without determining the actual junction temperature. The measured forward voltage of a photodiode or the emissions diode in a diode package can be used to determine the junction temperature of the emissions diode.




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Conduction cooled high power semiconductor laser and method for fabricating the same

A conduction cooled high power semiconductor laser and a method for fabricating the same are provided. The conduction cooled high power semiconductor laser comprises a heat sink (2) and one or more semiconductor laser units (1). The semiconductor laser unit consists of a laser chip (3), a substrate (4) bonded to the laser chip for heat dissipation and electrical connection, and an insulation plate (5) soldered to the substrate for insulation and heat dissipation. The semiconductor laser unit is soldered on the heat sink with the insulation plate therebetween. The semiconductor laser unit may be tested, aged, and screened in advance, and thereby the yield of the lasers can be improved and the manufacturing costs can be reduced. The laser has desirable heat dissipation performance, high reliability, and is applicable to high temperature and other complex and volatile environments.




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Circuitry and method for driving laser with temperature compensation

A temperature-compensated laser driving circuit for driving a laser component is provided. The temperature-compensated laser driving circuit includes: a temperature compensation circuit, configured to generate a second current based on a first current and a temperature-independent current; and a modulation current generating circuit, configured to generate a modulation current based on the second current, and calibrate optical power output of the laser component based on the modulation current. The first current is proportional to the absolute temperature. The second current and the first current have a slope relative to the absolute temperature respectively, and the slope of the second current relative to the absolute temperature is larger than of the slope of the first current relative to the absolute temperature.




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Light source, use of a driver and method for driving

The invention relates to solid state light source, a use of a driver circuit for driving a light emitting element (150) of a solid state light source, a method for driving a light emitting element (150) of a solid state light source and a corresponding computer program. The invention provides that for a large amount of an AC period the light emitting element (150) is directly supplied with the AC input directly forwarded by the driver circuit, wherein nevertheless it is prevented that power exceeding a desired level reaches the light emitting element (150). The invention is aimed at a realization with simplified components and/or reduced costs in comparison to known techniques.