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Projection image display device comprising a plurality of illumination optical systems

The purpose of the present invention is to provide a projection image display device in which all of the multiple light sources to be used are positioned optimally, regardless of the mode of installation of the device. This projection image display device has two illumination optical systems (1, 2) that are each provided with a light source (111, 211), a color separator for separating into three colors of light, a liquid crystal panel (150, 250) for forming an optical image, and a color synthesis prism (160, 260) for color-synthesizing. A polarization beam splitter (3) for synthesis synthesizes an optical image formed by the illumination optical system (1, 2), and projects the same from a projection lens (4). The optical axis (101, 201) of each light source (111, 211) is positioned within the same plane as the optical axis (401) of the projection lens (4), and so as to orthogonally intersect the optical axis (401) of the projection lens.




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Display device and method of LC panel protection

A display device uses a multilayer film (104), which reflects (red) light having wavelengths between about 600 and 800 nm at a 60 degree angle of incidence (114), to protect a liquid crystal panel (102) from heat and sun damage. The film (104) transmits light of the visible band with a wavelength between about 420 and 650 nm at normal incidence (116). The outermost surface (106) of the film (104) may be a hard coat (124). A metal oxide layer (120) and a metal layer (130) may be included to reflect IR light greater in wavelength than about 850 nm.




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High extinction ratio liquid crystal optical switch

An optical switch for performing high extinction ratio switching of an optical signal includes a beam polarizing element and one or more optical elements. The optical elements are configured to direct an optical signal along a first or second optical path based on the polarization state of the optical signal as it passes through the optical elements. The optical switch performs high extinction ratio switching of the optical signal by preventing unwanted optical energy from entering an output port by using an absorptive or reflective optical element or by directing the unwanted optical energy along a different optical path.




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Multi-twist retarders for broadband polarization transformation and related fabrication methods

An optical element includes at least two stacked birefringent layers having respective local optical axes that are rotated by respective twist angles over respective thicknesses of the at least two layers, and are aligned along respective interfaces between the at least two layers. The respective twist angles and/or the respective thicknesses are different. The at least two stacked birefringent layers may be liquid crystal polymer optical retarder layers. Related devices and fabrication methods are also discussed.




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Production of viral vaccines in suspension on avian embryonic derived stem cell lines

The present invention relates to the development and manufacturing of viral vaccines. In particular, the invention relates to the field of industrial production of viral vectors and vaccines, more in particular to the use of avian embryonic stem cells, preferably the EBx® cell line derived from chicken embryonic stem cells, for the production of viral vectors and viruses. The invention is particularly useful for the industrial production of viral vaccines to prevent viral infection of humans and animals.




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Methods of expanding embryonic stem cells in a suspension culture

A method of expanding and maintaining human embryonic stem cells (ESCs) in an undifferentiated state by culturing the ESCs in a suspension culture under culturing conditions devoid of substrate adherence is provided. Also provided are a method of deriving ESC lines in the suspension culture and methods of generating lineage-specific cells from ESCs which were expanded in the suspension culture of the present invention.




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Method of selecting stem cells having high chondrogenic differentiation capability

Thrombospondin 1 (TSP-1), TSP-2, interleukin 17B receptor (IL-17BR) and heparin-binding epidermal growth factor-like growth factor (HB-EGF) associated with stem cell activity and use thereof.




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Generating a mucin-producing cell from an umbilical cord amniotic membrane epithelial stem cell

The present invention relates to the generation of a mucin-producing cell using stem/progenitor cells obtained from the amniotic membrane of umbilical cord and therapeutic uses of such mucin-producing cells.




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Method of washing adherent cell using trehalose-containing cell-washing solution

Methods of washing adherent cells, capable of effectively suppressing cell death due to proteolytic enzyme treatment for detaching the adherent cell from a culture vessel and subsequent cell treatment; cell-washing solutions used for the washing method; methods of producing cell suspensions for transplantation using the cell-washing solution; and kits comprising the cell-washing solution. Trehalose or its derivative or a salt thereof is added to physiological aqueous solutions to prepare cell-washing solutions containing trehalose or its derivative or a salt thereof as an active ingredient. The cell-washing solutions can be used to wash adherent cells before detaching the adherent cells from a culture vessel by proteolytic enzyme treatment to suppress cell death due to the proteolytic enzyme treatment. The concentration of trehalose applied to the cell-washing solution may be a concentration capable of suppressing the cell death due to the proteolytic enzyme treatment, such as 0.1 to 20 (w/v) %.




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Separator device, deposition device and system for handling of somatic plant embryos

Methods and devices for separating fluid-suspended plant somatic embryos and embryogenic tissue based on differences in their fluid drag properties are disclosed. Deposition method and device for depositing plant somatic embryos into embryo receiver comprising growth substrate by means of a fluid jet is disclosed. An automated system for processing plant somatic embryos from the bioreactor to the growth substrate is also disclosed.




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Sample collection and analysis

Management of the health status of an animal colony using a plurality of blood collection cards and the analysis of dried blood from members of the colony that has been collected on the cards. Members of the colony may be removed from the colony as a result of the analysis.




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General composition framework for ligand-controlled RNA regulatory systems

The invention provides an improved design for the construction of extensible nucleic acid-based, ligand-controlled regulatory systems, and the nucleic acid regulatory systems resulting therefrom. The invention contemplates improving the design of the switches (ligand-controlled regulatory systems) through the design of an information transmission domain (ITD). The improved ITD eliminates free-floating ends of the switching and the competing strands, and localizes competitive hybridization events to a contiguous strand of competing and switching strands in a strand-displacement mechanism-based switch, thereby improving the kinetics of strand-displacement. The improved regulatory systems have many uses in various biological systems, including gene expression control or ligand-concentration sensing.




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Methods and compositions for modulating tau levels

Methods and agents for reducing a level of an acetylated Tau polypeptide in a cell are provided. Methods for treating a tauopathy in an individual are also provided. Also provided is a method for diagnosing a cognitive impairment disorder in an individual. Methods for identifying an agent suitable for treating a tauopathy are also provided.




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Monoclonal thyroid stimulating or blocking antibodies, peptide sequences corresponding to their variable regions, and their uses in diagnostic, preventive and therapeutic medicine

Monoclonal antibodies (mAbs) having thyroid stimulating activity (TSAb), especially full or considerably agonistic activity, or thyroid blocking activity (TBAb), which are obtainable by genetic immunization of mice, or fragments (F(ab')2, Fab or Fv) or humanized forms of such monoclonal antibodies or single chain forms (SCA; scFv) of such fragments, which antibodies, or their fragments, compete with bovine TSH for epitopes of the human TSHr, compete with autoantibodies from sera from Graves' patients as well as with autoantibodies from sera from patients harboring blocking autoantibodies for epitopes of the human TSHr, bind to conformational epitopes of the human TSHr located in the first 281 amino acids of the human TSHr, and usually also bind to TSFR receptors (TSHr) from different animals. Various uses of such antibodies, or of peptides corresponding to variable regions of such antibodies, are also described and claimed.




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Transcription activator-like effector assembly

Described herein are techniques for assembling a polynucleotide encoding a transcription activator-like effector nucleases (TALEN). The techniques ligate and digest necessary modules for a TALEN assembly in one reactor or system. Methods and Kits for generating a TALEN are also described.




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Compositions and methods for enhancing resistance to northern leaf blight in maize

The invention relates to methods and compositions for identifying and selecting maize plants with enhanced resistance to northern leaf blight. Maize plants generated by the methods of the invention are also a feature of the invention.




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Plants having altered agronomic characteristics under nitrogen limiting conditions and related constructs and methods involving genes encoding LNT1 polypeptides and homologs thereof

Isolated polynucleotides and polypeptides and recombinant DNA constructs particularly useful for altering agronomic characteristics of plants under nitrogen limiting conditions, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter functional in a plant, wherein said polynucleotide encodes an LNT1 polypeptide.




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Recombinant DNA constructs encoding ribonuclease cleavage blockers and methods for modulating expression of a target gene

This invention provides recombinant DNA constructs and methods for manipulating expression of a target gene that is regulated by a small RNA, by interfering with the binding of the small RNA to its target gene. More specifically, this invention discloses recombinant DNA constructs encoding cleavage blockers, 5-modified cleavage blockers, and translational inhibitors useful for modulating expression of a target gene and methods for their use. Further disclosed are miRNA targets useful for designing recombinant DNA constructs including miRNA-unresponsive transgenes, miRNA decoys, cleavage blockers, 5-modified cleavage blockers, and translational inhibitors, as well as methods for their use, and transgenic eukaryotic cells and organisms containing such constructs.




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Compositions for diagnosis and therapy of diseases associated with aberrant expression of futrins (R-spondins) and/or Wnt

The present invention relates to a composition useful for the diagnosis of diseases associated with aberrant expression of the genes encoding the secreted proteins Futrin 1, 2, 3 and/or 4(=R-Spondin 2, 3, 1 and 4, respectively), e.g. in connection with tumors or diseases of the muscle, kidneys or bones. The present invention also relates to a pharmaceutical composition containing a compound which is capable of modifying (a) the expression of the gene encoding Futrin 1, 2, 3 and/or 4 or (b) the activity of the Futrin 1, 2, 3 and/or 4 protein.




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Mutant receptors and their use in a nuclear receptor-based inducible gene expression system

This invention relates to the field of biotechnology or genetic engineering. Specifically, this invention relates to the field of gene expression. More specifically, this invention relates to novel substitution mutant receptors and their use in a nuclear receptor-based inducible gene expression system and methods of modulating the expression of a gene in a host cell for applications such as gene therapy, large scale production of proteins and antibodies, cell-based high throughput screening assays, functional genomics and regulation of traits in transgenic organisms.




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Mitigation of odor in cleaning machines and cleaning processes

The invention relates to malodor controlling bacteria and related methods and compositions for the control and prevention of malodor.




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Method of regulating gene expression

The present invention relates, in general, to gene expression and, in particular, to a method of inhibiting the expression of a target gene and to constructs suitable for use in such a method.




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Seat cushion, for instance for an aircraft seat, and a method for manufacturing such a seat cushion

A seat cushion, in particular for an aircraft seat, the seat cushion comprising a seat part having a receiving surface adapted to receive a person and a reinforcing part supporting the seat part, wherein at least the reinforcing part contains expanded polypropylene (EPP), preferably comprising fire retardant properties. The invention further relates to a method for manufacturing such a seat cushion, a seat comprising such a seat cushion and a vehicle comprising such a seat.




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Operating unit for installation in an aircraft cabin

An operating unit (1) for installation in an aircraft cabin comprises an operating unit front side (10) and an operating unit rear side (20), at least one operating element (12, 14) attached in the region of the operating unit front side (10) and accessible to a user, and a holding device (40) for attaching the operating unit (1) to a monument (30) accommodating the operating unit (1) in its state mounted in the aircraft cabin. The holding device (40) is designed to attach the operating unit (1) in its state mounted in the aircraft cabin to the monument (30), in a first position or in a second position, as desired, the operating element (12, 14) in the second position of the operating unit (1) being situated in a spatial position which is lowered with respect to the spatial position of the operating element (12, 14) in the first position of the operating unit (1) and/or is displaced in a direction parallel to an imaginary straight line connecting the operating unit rear side (20) to the operating unit front side (10).




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Vehicle seat assembly having a hardness gradient via surface intrusions and/or protrusions

A method of making a vehicle seat assembly comprising providing a cushion having an “A” surface, a “B” surface, a central portion, and two bolster areas, with each bolster area being adjacent the central portion, the cushion having a plurality of intrusions extending from the “A” surface towards the “B” surface to form a hardness gradient between at least one of the bolster areas and the central portion of between 8% to 25%, securing the cushion to a frame, and covering cushion with a trim member.




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Crash indication system for a reclining ride down child seat

More specifically, the crash indication system for a child safety seat includes a seat bottom. A base is provided for supporting the seat bottom, which is slidably connected to the bases so that the seat body is movable relative to the base, between a resting position and a ride down position, a position due to a change in environmental forces. The seat body is adjustably affixed to a carriage to set a recline position. An indicator member is attached to the carriage and moves therewith to visually track and monitor the movement of the seat. When ride down of the seat occurs due to a change in forces to the seat, the indicator member moves with the sliding carriage to reflect a ride down position of the seat bottom. A ratchet connection is provided to prevent the carriage from going back to its resting position.




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Seat extension seamless gap fill

A vehicle seating assembly includes a seatpan coupled with a track assembly that has a rail and a slide. The vehicle seating assembly also includes a cushion assembly that has a movable cushion and a base cushion with a slot. The movable cushion is slidable between a forward position and a rearward position on the seatpan. In addition, the vehicle seating assembly includes a coverstock with a first portion that is disposed over a movable cushion. The coverstock also has a second portion that is disposed between the seatpan and the cushion assembly. The second portion of the coverstock is withdrawn through the slot when the movable cushion moves to the forward position. A gap is defined by the area between the base cushion and the movable cushion in the forward position. The gap is concealed by the coverstock when the movable cushion is in the forward position.




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Cushion element with different hardness zones for motor vehicles

A cushion element for a vehicle seat or headrest comprises a non-woven layer and a fiber composite material. An insert material is arranged between the non-woven layer and the fiber composite material, and has different compression properties than the fiber composite material. The fiber composite material forms together with the insert material and the non-woven layer a one-piece material composite.




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Resonance circuit with variable diodes

A resistance having a high impedance is connected between anode terminals of two variable capacitance diodes sharing a cathode, and the components described above are sealed in one package. The resistance can be formed of a diffusion region between p-regions of the variable capacitance diodes or can be formed of polysilicon and disposed on a chip. Thus, the resistance can be mounted while a chip size of the variable capacitance diode is maintained. Accordingly, it is not required that a bias resistance having a high impedance is additionally provided, whereby achieving reduction in the substrate mounting area and reduction in costs of the set.




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Variable tuning circuit using variable capacitance diode and television tuner

The invention provides a variable tuning circuit capable of extending a variable range in a high frequency band, ensuring the value of L of an inductor to increase the value of Q of a circuit in a low frequency band, and preventing a reduction in gain, an increase in noise, and unstable oscillation. A variable tuning circuit includes: a first parallel resonance circuit that includes a varactor diode, a capacitor connected in series to the varactor diode, and a first inductor connected in parallel to the varactor diode and the capacitor; and a second parallel resonance circuit that includes a second inductor connected in parallel to the varactor diode with a direct current cut-off capacitor interposed therebetween. When the varactor diode has a maximum capacitance, a resonant frequency of the second parallel resonance circuit is set about a lowest frequency in a variable frequency range.




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Method and apparatus to facilitate the provision and use of a plurality of varactors with a plurality of switches

A plurality of varactors are coupled via a first electrode to a shared terminal that in turn can operably couple to a source of control voltage. A second electrode for each varactor couples to a corresponding switch, where each switch couples to at least two different voltage levels. So configured, the second electrode of each varactor can be individually connected to either of two voltage levels. This can be leveraged to control, in coarse steps, the overall aggregate effective capacitance presented by these components. At least some of these varactors can have differing corresponding capacitances, the specific values of which can be selected in order to facilitate relatively equal spacing and substantially equal rates of reactance change versus the control voltage value between aggregate-capacitive reactance ranges as correspond to differing settings for the switches at various levels for the control voltage source.




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Single package television tuning apparatus and television receiver including the same

There are provided a single package television tuning apparatus and a television receiver including the apparatus. The apparatus includes: a printed circuit board; a switching part installed on the printed circuit board and selecting one of a first radio frequency signal and a second radio frequency signal inputted; a tuner part installed on the printed circuit board and down-converting one of the first radio frequency signal and the second radio frequency signal, the one selected by the switching part; first and second input connectors receiving the first radio frequency signal and the second radio frequency signal; and a chassis supporting the first and second input connectors, covering the printed circuit board, the switching part, and the tuner part, and electrically connected to grounds of the switching part and the tuner part.




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Boosted-bias tunable filter with dynamic calibration

In a signal communication device, a frequency-selective filter has at least one component that is biased by a control signal to establish a center frequency of the frequency-selective filter. A closed-loop bias generator is provided to generate the control signal and to adjust the control signal based, at least in part, on a comparison of the control signal and a reference signal.




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Communication module having tuner units that are separated and isolated from each other, and method of manufacturing the same

A communication module is provided in which its characteristic of separation between its first and second tuner units is improved. The module is equipped with a circuit board having a first main surface, and a second main surface opposite to the first main surface; a first amplifier arranged on the first main surface, for amplifying a first signal; a first mixer arranged on the first main surface, for converting a signal supplied from the first amplifier to an intermediate-frequency signal; a second amplifier for amplifying a second signal; and a mixer for converting a signal supplied from the second amplifier to an intermediate-frequency signal, both arranged on the second main surface of the circuit board.




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Double-tuning circuit of television tuner

In a double-tuning circuit including a primary tuning circuit having a first inductor and a first variable capacitive element connected in parallel and a secondary tuning circuit having a second inductor and a second variable capacitive element connected in parallel, a fixed part of a copper-foil pattern is connected to a connection point at which the double-tuning circuit is connected to an input terminal of a frequency mixing circuit, and a tip part of the copper-foil pattern extends to near the first inductor, whereby a trap circuit for attenuating an image frequency component is formed. A pattern is formed between a ground-side terminal of the first inductor and the ground, and a capacitor is connected between a connection point at which the first inductor is connected to one terminal of the pattern and a ground-side terminal of the second variable capacitive element.




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Integrated channel filter and method of operation

A system includes a filter and a tuner formed on an integrated circuit. The filter receives an input signal comprising a first number of channels and communicates an intermediate output signal comprising a second number of channels less than the first number of channels. The tuner is coupled to the filter and receives the intermediate output signal and communicates an output signal comprising a third number of channels less than the second number of channels.




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Band-pass filter device, method of manufacturing same, television tuner, and television receiver

A band-pass filter device includes: a plurality of band-pass filter elements on a principal plane of a substrate; wherein the band-pass filter elements correspond to a plurality of respective channels divided by frequency regions, and each have a plurality of piezoelectric resonators. Each of the piezoelectric resonators includes a piezoelectric film whose periphery is supported by the substrate, a first electrode formed on a lower surface of the piezoelectric film, a second electrode formed on an upper surface of the piezoelectric film and formed in a state of overlapping at least a part of the first electrode with the piezoelectric film interposed between the second electrode and the first electrode, a lower space formed between the substrate and the piezoelectric film, and an upper space formed over the piezoelectric film.




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Physiological data acquisition and management system for use with an implanted wireless sensor

Aspects and embodiments of the present invention provide a system for obtaining, processing and managing data from an implanted sensor. In some embodiments, a patient or other persons can use a flexible antenna to obtain data from the implanted sensor. The flexible antenna includes at least one transmit loop and at least one receive loop. The transmit loop is adapted to propagate energizing signals to the implanted sensor. The receive loop is adapted to detect a response signal from the implanted sensor. The transmit loop includes a capacitor formed by a discontinuous area. The capacitor is adapted to allow the loop to be tuned. The flexible antenna can communicate with a patient device that collects the data from the implanted sensor, creates a data file and transmits the data file to a remote server over a network. A physician or other authorized person may access the remote server using an access device.




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Frequency shift compensation, such as for use in a wireless utility meter reading environment

Methods and apparatus for computing the carrier frequency of a transmitter using frequency modulated digital data to compensate for frequency shifting of the transmitter and the receiver local oscillators and for bandwidth adjustment of the receiver's filter. In particular, methods and apparatus are disclosed for binary systems transmitting “1” and “0” data using decoded or undecoded received signals.




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Oscillating apparatus, receiving apparatus, and oscillation control method

In an oscillating apparatus, a detection unit detects a frequency offset between an input signal and a reference signal. A code generation unit specifies a relationship among a code having a predetermined number of bits, the frequency offset, and a voltage to be applied to a voltage-controlled oscillator by a DAC, in accordance with a frequency offset detection state of the detection unit. The code generation unit also generates a frequency offset correction code having a predetermined number of bits in accordance with the specified relationship. The DAC applies the voltage to the voltage-controlled oscillator, in accordance with the relationship described above and the code generated by the code generation unit. The voltage controlled oscillator outputs an oscillator signal having an oscillation frequency corresponding to the voltage applied by the DAC.




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Tuner circuit with loop through function

The tuner circuit comprises a HF input and a HF output with a loop through function, wherein a variable capacitance diode is coupled with a first terminal to the HF input and with a second terminal to the HF output for providing a passive loop through function. The variable capacitance diode is in particular in a passing mode, when no DC reverse voltage is applied, for providing a passive loop through function. In a preferred embodiment, the tuner circuit is designed for reception of television channels, and for the variable capacitance diode one or two tuning variable capacitance diode is used being designed for satellite tuners with a frequency range of 1-2 GHz, or a specially designed variable capacitance diode with a capacitance ratio C1/C25>18 at a frequency of 1 MHz for DC reverse voltages of 1 and 25 Volts is used.




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Stopper structure for rotary operation member, electronic device, and channel stopper

A stopper structure includes a wall defining an opening. A rotary electronic component has a rotational shaft extending through the opening. A channel stopper has a tubular body and an engagement projection. The tubular body is detachably mounted onto the rotational shaft and is inhibited from rotating relative thereto. The engagement projection extends from an end of the tubular body in an axial direction and a radial direction with respect to the rotational shaft. A rotary operation member is detachably mounted onto the rotational shaft and the tubular body and is inhibited from rotating relative thereto. The rotary operation member has an axial hole in which at least portions of the rotational shaft and the tubular body fit. A limiting portion provided on the wall is engageable with the engagement projection for limiting a range of rotation of the rotational shaft.




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System and method of evaluating print shop consolidation options in an enterprise

A print shop consolidation system including a print shop consolidation management system with an application is provided. The application is used to (1) evaluate, with a set of information, an operational capacity of a first print shop to process both a first group of print jobs and a second group of print jobs, (2) evaluate, with the set of information, an operational capacity of the second print shop to process both the first and second groups of print jobs, and (3) use the evaluations of (1) and (2) to consolidate processing of the first and second groups of print jobs at one of first and second print shops.




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Newspaper production system and production method for newspaper

An object of this invention is to provide a newspaper production system, having the structure of a system that is provided with a supply unit for a continuous web provided at an upstream side of a printing unit for printing on one surface and the other surface of a continuous web, and a processing unit for carrying out cutting and folding processing of a continuous web after printing at a downstream side, by making the area of an installation flat region for the printing unit for printing on one surface and the other surface of a continuous web, having an ink jet printing device group for printing one side of the continuous web and an ink jet printing device group for printing the other side of the paper sheet, small, and with which it is easy for a single person to carry out a newspaper production operation of monitoring the entire system. It is also an object of this invention to provide a newspaper production system and newspaper production method that enables production of a few sizes of a plurality of newspaper pages arranged horizontally as sheets constituting a newspaper by sequentially cutting, and being capable of producing a newspaper formed of various page configurations.




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Data processing apparatus, data processing system, method for controlling data processing apparatus, method for adding data converting function, program and medium

A data processing apparatus is monitoring the first port of itself and the second port of itself. If the data processing apparatus receives data via the second port, it conducts a specific process to the data regardless of a data format of the data so as to convert the data into the data format that can be processed regardless of a data format of the data and sends converted data to the first port.




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System and method for operating a web printing system to compensate for dimensional changes in the web

A method enables changes in the operation of a web printing system in response to web dimensional changes being detected. The method includes identifying a cross-process dimensional change in a web moving through a printing system, comparing the identified cross-process dimensional change to a predetermined threshold, and changing operation of a component in the web printing system in response to the cross-process dimensional change exceeding the predetermined threshold.




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Composition of decolorable ink and decoloring method

The present invention is a method which erase information printed on a recording medium if necessary and thus reuse the recording medium, and includes 1) decolorable ink compositions which are not erased during the use but erased by a dye readily decolorable by a decolorant, 2) a decolorant composition including a thermal initiator or photoinitiator, and 3) a method for coating the decolorant and applying heat or irradiating UV to erase the dye. According to the present invention, it is possible to prepare various writing inks, and particularly, when applied to recording medium with a magnetic stripe as well as the general purpose papers, it is possible to reduce the production cost significantly, obtain a large import substitution effect of the magnetic ink all of which are imported, and largely reduce the environmental pollution.




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For in-field control module for managing wireless seismic data acquisition systems and related methods

An exemplary system for managing the deployment of a seismic data acquisition system uses a module configured to execute a plurality of task in the field by receiving one or more seismic devices. The module may include a power source that provides electrical power to the seismic devices. The module may also include a processor programmed to retrieve data stored in the seismic devices, perform diagnostics, facilitate inventory and logistics control, configure seismic devices and update data or pre-programmed instructions in the seismic device.




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Light emitting diode driving apparatus

A light emitting diode (LED) driving apparatus is provided, which includes a power conversion circuit for receiving and converting an input power so as to generate a DC voltage to simultaneously drive a plurality of LED strings arranged in parallel; and a plurality of current regulation chips each having a single regulation channel and respectively corresponding to the LED strings, wherein an ith current regulation chip is only used for regulating a current flowing through an ith LED string, where i is a positive integer.




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Earthquake detection and alarming apparatus

In one aspect, the present invention is directed to an earthquake detection and alarming apparatus, comprising: a transparent object (46) having a concave surface on the top thereof; a rollable object (34) placed on the concave surface; an apiary of light projectors (30) placed above the concave surface; an apiary of light receivers (38) correspondingly to the apiary of light projectors, the apiary of light receivers being placed below the concave surface; and circuitry for determining: (a) vibrating frequency and amplitude of the rollable object with reference to the concave surface from sensing of the receivers (38); and (b) deducing therefrom the arrival of primary waves.