An electronic device may determine to present a video frame still image sequence version of a video instead of the video. The electronic device may derive a plurality of still images from the video. The electronic device may generate the video frame still image sequence by associating the plurality of still images. The electronic device may present the video frame still image sequence. The video frame still image sequence may be displayed according to timing information to resemble play of the video. In some cases, audio may also be derived from the video. In such cases, display of the video frame still image sequence may be performed along with play of the audio.

An information storage medium storing subtitle text-based information, and a method and apparatus utilizing same, process a subtitle The information storage medium includes: dialog information which contains script text information of the subtitle and information specifying an output type of the script text; and presentation information which contains style information used to convert the script text into a bitmap format through rendering. With this structure, the amount of data required for a subtitle and the amount of data that should be processed when a subtitle is output may be greatly reduced.

Methods and apparatus for switching between a live video decoding and a recorded playback in a digital video and recording system. A received video data stream is transmitted to a first-in first-out video decoder buffer without first looping the video data stream through a playback buffer. The video data stream is transmitted from the video decoder buffer to a video decoder. If a “pause” command is received, the video data stream is transmitted to a first-in first-out playback buffer, while continuing to transmit the video data stream to the video decoder buffer. Transmission of the video data stream to the video decoder buffer is halted when the video decoder buffer fills up. The last byte of the video data stream that was transmitted to the video decoder buffer is marked. If a “play” command is received, the video data stored in the video decoder buffer is transmitted to the video decoder. The video data stored in the playback buffer is transmitted to the video decoder buffer starting at a point immediately after the data element that was marked previously.

In an embodiment, the playing of an advertisement may be detected by identifying the persons associated with the faces in the advertisement portion of the media content and determining that the identified persons are not actors listed for the media content. In an embodiment, the advertisement may be enhanced with additional content pertaining to the product or service being advertised. In an embodiment, the advertisement may be automatically fast-forwarded, muted, or replaced with an alternate advertisement. In an embodiment, only a non-advertisement portion of the media content may be recorded by skipping over the detected advertisement portion of the media content.

Methods and apparatuses for presenting targeted advertisements to DVR users are described. After a DVR has finished playing a recorded television program, or in response to other specified events, the DVR presents a screen which comprises a “save or delete” menu. In addition to the “save” and “delete” options, the menu additionally comprises one or more other options. Each of these other options may correspond to a separate promotional item. For example, a user's selection of such an option may cause the DVR to display or play an advertisement on the user's television set. Additionally or alternatively, these other options, when selected by a user, may cause the DVR to display a user interface through which the user can actually purchase a product or service. The product or service advertised or offered may be one that was featured or referenced in the television program that the user was just watching.

A system that enables an event or moments within an event to be captured and provided in a record that preserves at least some aspects of the participant's perspective of the event. In particular, the present invention involves centralized recording of the event in one or more modes including video, audio, and still image recordings and a system that enables a participant (i.e., one who perceives the event) to select portions of the event recording substantially contemporaneously with the event occurrence. A personalized record is made by duplicating the selected portions from the event record. In a particular example, the personalized record is recorded on a digital media such as a compact disc (CD) or digital video disk (DVD) or the like.

A system, method and computer-readable medium are presented for providing real-time content-based navigation of live video programming. The video programming is received and a searchable database is generated. The method aspect of the invention comprises receiving a live video program, generating an index to the received live video program by extracting images and/or text from the video program, recording the live video program, presenting at least a portion of data associated with the generated index to a user, receiving user input regarding a search to a portion of the recorded video program to which the user desires to navigate and playing back the recorded video program starting at the searched portion identified by the user input. The search may be of an image and/or text portion of the presentation.

A process control system user display provides a display image containing control system information. The system may include a digital recording module including an image capture module for making a real-time digital recording of at least a portion of the display image, the image capture module buffering a terminal portion of the real-time digital recording. A storage module may store at least a portion of the real-time digital recording. A real-time digital recording may contain at least a portion of the display image, wherein, at any particular time, the real-time digital recording includes information from the control system for a predetermined duration proximate the particular time, and at least a portion of the real-time digital recording may be stored. A desired portion of the digital recording may be played back, optionally with process control system event and/or continuous history.

A drill insert of the present invention comprises a corner part, and an upper face having a first side and a second side disposed on both sides of the corner part, respectively. The drill insert comprises a first cutting edge formed along the first side; a second cutting edge formed along the second side; a first region of the upper face located along the first cutting edge; a second region of the upper face located along the second cutting edge; and a first raised part disposed in the first region so as to lie at a higher position than the second region. The first raised part has an upper portion; a breaker portion configured to be inclined so as to become at a lower position as the first raised part extends from the upper portion; and a side portion configured to be inclined so as to become at a lower position as the side portion extends from the upper portion. The first raised part is disposed at a position closer to the first cutting edge than a bisector of the corner part when viewed from above.

A cutting head has a resilient male coupling member. The cutting head has a central resilience slit that extends between two major surfaces and opens out to the male coupling member and at least one lateral resilience slit that extends between the two major surfaces and opens out to a base surface. The central resilience slit and the at least one lateral resilience slit each have forwardmost points, located forward of the base surface. Also, a cutting tool that has a tool holder with the cutting head secured thereto. The tool holder has an insert pocket that includes a forward facing holder base abutment surface that has a female coupling member. In a locked position, the male coupling member is resiliently retained in the female coupling member. All points on the male coupling member are under deflection.

A cutting tool has a tool shank and a replaceable cutting head resiliently secured to the tool shank by an interference fit between a male fixation member of the cutting head and a female fixation member of the tool shank. The male fixation member has a resilience slit. In each cross section of the cutting tool taken perpendicular to an axis of rotation of the cutting tool through mutual abutment regions, the cross sectional profiles of the mutual abutment regions are arcuate sectors.

Low profile reamers and methods of use are provided which can, in general, allow a hole to be drilled in bone. In one embodiment, a low profile retractable bone reamer is provided having an elongate shaft with a cutting element disposed on a distal end of the elongate shaft that can be configured to drill a hole in bone. The elongate shaft and cutting element can have first and second longitudinally separated portions that are movably coupled to each other. The reamer can be configured to move between a retracted configuration, in which a the reamer has a reduced, low profile configuration, and a non-retracted configuration, in which both longitudinally separated portions of the cutting element can be positioned adjacent to one another to form a single cutting element.

The present invention relates to a hole-saw assembly includes a hole-saw having at one end a plurality of cutting teeth and with a boss attached to the hole-saw at the other end two shafts. The assembly includes a mandrel coaxially aligned with said hole-saw and including a body having two bores there through coaxially aligned with said shafts. An annulus located on top of the body is coaxially aligned with said mandrel and hole saw and includes two holes, the annulus rotatable around its longitudinal axis from a first to a second position. In the first position the annulus holes are aligned with the bores and shafts allowing the shafts to be freely insertable and removable and in the second position the holes are misaligned to lock the shafts to the annulus. The mandrel further includes a pair of driving pins adapted to engage driving apertures found in hole-saws especially larger ones. Typically the driving pins may be biased to enable the assembly to be used even with those hole-saws that do not include driving apertures and that also enables easier assembly of the device. A compressible O-ring may further facilitate the operation of the assembly. This device avoids the problem of thread stripping. The invention further provides for a boss that can be used with larger hole-saws and includes notches that accommodate driving pains extending on the side of the boss and where appropriate into the driving apertures.

A current sensor packaged in an integrated circuit package to include a magnetic field sensing circuit, a current conductor and an insulator that meets the safety isolation requirements for reinforced insulation under the UL 60950-1 Standard is presented. The insulator is provided as an insulation structure having at least two layers of thin sheet material. The insulation structure is dimensioned so that plastic material forming a molded plastic body of the package provides a reinforced insulation. According to one embodiment, the insulation structure has two layers of insulating tape. Each insulating tape layer includes a polyimide film and adhesive. The insulation structure and the molded plastic body can be constructed to achieve at least a 500 VRMS working voltage rating.

Illustrative embodiments of force sensitive input devices and methods are disclosed. In at least one embodiment, an input device may comprise a first input key configured to output a first analog signal as a function of force applied to the first input key, a second input key configured to output a second analog signal as a function of force applied to the second input key, a third input key configured to output a third analog signal as a function of force applied to the third input key, a fourth input key configured to output a fourth analog signal as a function of force applied to the fourth input key, and a controller configured to output movement data including both direction and magnitude in response to the first, second, third, and fourth analog signals, where the movement data is formatted for presentation to a driver of a computing device.

A device for inputting command signals to a marine vessel control system includes a lever that is selectively operable in a joystick mode and a lever mode. In the lever mode, the lever is confined to pivoting about a horizontal axis to thereby input throttle and shift commands to the control system. In the joystick mode, the lever is freely pivotable in all directions away from a vertical axis that is perpendicular to the horizontal axis to thereby input throttle, shift, and directional commands to the control system.

A thermal, flow measuring device for determining and/or monitoring the flow of a measured medium through a measuring tube. The thermal, flow measuring device includes: a first pin-shaped shell and at least a second pin-shaped shell; a first resistance thermometer and at least a second resistance thermometer. At least the first resistance thermometer is embodied so as to be heatable, wherein the resistance thermometers, in each case, have a first surface, and at least a second surface, which lies opposite the first surface. The first pin-shaped shell surrounds the first resistance thermometer, and the second pin-shaped shell surrounds the second resistance thermometer. The pin-shaped shells are fillable with a fill material. In each case, at least one spacer is placeable between the pin-shaped shell and the first surface of the resistance thermometer, and the second surface of the resistance thermometer is at least partially covered with fill material.

An electromagnetic field measuring apparatus capable of measuring an electromagnetic field for a minuscule area in which electronic devices are densely packed with a high sensitivity is provided. In an electromagnetic field measuring apparatus according to the present invention, the amplitude level of signal light (pf) is adjusted by the analyzer (34) by adjusting its angle with respect to the plane of polarization of the signal light (pf) based on an amplitude level control signal (eb) supplied from the calculation control unit (40). An amplitude level control signal (eb) is supplied from the calculation control unit (40) to the analyzer (34) based on the spectrum (ea) of an electric signal (ed) measured by an RF spectrum analyzer (39). The amplitude level ration between the carrier and the sideband contained in the signal light (ph) incident on the optical receiver (38) is controlled to a fixed value.

The invention relates to a main housing element for a multi-part housing of an electrical device. The main housing element consists of a frame element and at least one connector element integrated in the frame element and produced in one piece with the frame element. The connecting region between the at least one connector element and the frame element is configured as a predetermined breaking point. In the course of assembly of the main housing element a mechanical separation of the connector element from the frame element takes place, whereby the connector element and the frame element are uncoupled.

A controller for a DC motor comprises an output switching element configured to couple to the DC motor; an input switching element coupled to the output switching element; a pulse width modulated (PWM) signal coupled to a control terminal of the input switching element and a supply voltage applied to the output switching element. A resistive-capacitive (RC) network may be coupled to a control terminal of the output switching element, with the RC network being configured to integrate the PWM signal into a DC voltage. A first resistive network may be configured to set a bias for the output switching element when the input switching element is turned off, and a second resistive network may be configured to set the bias for the output switching element when the input switching element is turned on, such that the controller is effective to provide zero-to-full supply voltage control to the DC motor.

An apparatus and method for improved current shunt sensing in an electrical system, such as a renewable energy electrical system, is disclosed. A current shunt according to aspects of the present disclosure includes a conductive portion that is placed in series with an electrical system The current shunt includes a sensing element that is used to measure the voltage across the conductive portion of the current shunt. The sensing element has an increased width relative to the width of the conductive portion of the shunt. The increased width of the sensing element provides for improved current shunt sensing that results in more accurate voltage (and thus current) measurements across a wide range of frequencies.

Provided is a resistive element which has excellent inrush current resistance, and can suppress heat generation in a steady state. The resistive element has an element main body of a semiconductor ceramic in which the main constituent has a structure of R11-xR2xBaMn2O6 in which 0.05≦x≦1.0 when R1 is Nd and R2 is at least one of Sm, Eu and Gd; 0.05≦x≦0.8 when R1 is Nd and R2 is at least one of Tb, Dy, Ho, Er, and Y; 0≦x≦0.4 when R1 is at least one of Sm, Eu, and Gd and R2 is at least one of Tb, Dy, Ho, and Y; and 0≦x≦1.0 when R1 is at least one of Sm, Eu, and Gd and R2 is at least one of Sm, Eu, and Gd, but the Sm, Eu, and/or Gd in R1 is different from that in R2.

A heater assembly includes one or more first heating elements, the one or more first heating elements being characterized by a positive temperature coefficient; and one or more second heating elements, the one or more second heating elements comprising resistance wire elements. The one or more second heating elements are positioned in proximity to the one or more first heating elements such that at least one of the one or more second heating elements is configured to, upon being powered on, pre-heat at least one of the one or more first heating elements before the at least one first heating element is powered on.

A touch panel includes a touch sensor layer including a first transparent electrode and a second transparent electrode, wherein an arrangement direction of the first transparent electrode can be perpendicular to that of the second transparent electrode, and both of the first and second transparent electrodes include two transparent metallic patterns which are stacked and electrically connected to each other.

An elastomeric particle (1, 1, 1″) comprises a non-conducting elastomeric body (2) having an electrically conducting surface (4a, 4b, 6). Pressure sensor elements (20, 20', 20″; 30, 30', 30″, 30'″) comprising such elastomeric particles are disclosed, as well as sensor clusters (50″, 50'″, 50IV, 50V, 50VI, 50VII, 70) comprising such sensor elements. There is also disclosed a pressure sensor element (40, 40', 40″, 40'″, 40IV, 40V, 40VI, 40VII), comprising a resistive element (44, 44', 44″) providing a conduction path, a first electrode (42a, 42a-1, 42a-2, 42a-3, 42a-4, 42a-5, 42a-6), connected to the resistive element, a second electrode (42b, 42b'), which in a quiescent state is spaced from said first electrode, wherein the second electrode, when the pressure sensor element is subjected to a pressure, is arranged to contact said first electrode or said resistive element. Systems comprising such sensor elements and sensor clusters are disclosed, as well as methods of their fabrication.

Provided is a resistive element which is excellent in inrush current resistance even in the case of having a surface-mountable small chip shape. The resistive element has an element main body composed of a semiconductor ceramic in which a main constituent thereof is composed of a Mn compound represented by the general formula (Nd1-xMx)yBazMn2O6 (M is at least one rare-earth element selected from Sm, Gd, Eu, Tb, Dy, Ho, Er, and Y), and x, y, and z respectively meet the conditions of: 0.05≦x≦0.4; 0.80≦y≦1.2; and 0.80≦z≦1.2 in the chemical formula.

A touch sensing apparatus has a plurality of unit regions, and each of the unit regions includes a first substrate, a second substrate and a spacer structure. The first substrate has a first electrode layer thereon. The second substrate is disposed opposite to the first substrate and has a second electrode thereon. The spacer structure is disposed between the first substrate and the second substrate. In particular, there are plural of sensing units in each of the unit regions, and sensing trigger forces of the sensing units in the unit region are not completely the same.

A five axis vise includes two separated vise body portions that are supported on a machine tool table or other support that fixes the vise body portions in position. The vise body portions have jaws spaced up from the machine tool table sufficiently to permit machining five surfaces of a work piece held in the jaws. A vise screw is rotatably mounted in one of the vise body portions, and extends to the other vise body portion to actuate a movable jaw on the other vise body portion. The vise screw is threaded into a jaw nut that has a drive surface that engages and drives a driven surface on the movable jaw, with the drive and driven surfaces being inclined relative to the axis of force application to provide a downward force component on the movable jaw as it is tightened. The vise screw is an assembly of a threaded shank or shaft and a hub that is rotatably mounted in one of the body portions, with the threaded shank or shaft being locked in position in the hub.

A work orienting plate or angled vise parallel for use with a machine vise and which angled plate has first, second and third reference edges with the second and third reference edges being spaced apart side edges that are perpendicular to the first edge. Angled work piece support edges join the second and third reference edges, respectively. The angled work piece support edges are at different angles from one another so that a work piece can be supported on any one of the edges relative to a reference surface of a vise on which the work orienting plate is mounted to position the work piece at selected angles for machining angled surfaces.

A welding workbench assembly comprises a base. The welding workbench assembly further comprises a first wraparound barrier comprising at least three panels, including a first panel, a second panel, and a third panel. The second panel is adjacent to the first panel at a first end of the first panel and the third panel is adjacent to the first panel at a second end of the first panel. The welding workbench assembly further comprises a second wraparound barrier comprising at least three panels, including a fourth panel, a fifth panel, and a sixth panel. The fifth panel is adjacent to the fourth panel at a first end of the fourth panel and the sixth panel is adjacent to the fourth panel at a second end of the fourth panel.

A system and method of painting parts of large dimensions that present a certain amount of flexibility that makes their shape geometrically unstable in the event of being moved. The surface of a part is moved in front of a paint spray device by an arm of a robot, while the spray device remains stationary relative to the robot and while the part is being deformed. Other elements include a gripper for gripping parts of large dimensions, the gripper being adapted to implement the method; an installation; and a booth for performing surface treatment of parts.

A support disk fixing apparatus which includes an upper surface to which a wafer is bonded, a lower surface, a cylindrical side surface between the upper surface and the lower surface, and a chamfered portion between the upper surface and the side surface, includes a base upon which the support disk is placed; and a fixture that is provided on the base, and that has a first surface that abuts against the side surface of the support disk and covers the side surface of the support disk, and a second surface that abuts against the chamfered portion of the support disk and covers the chamfered portion of the support disk.

A retractable assembly for introducing an insertable device into a container through a container opening, comprising: a linear guide, which is releasably mountable on the container via a holder; and, guided along the linear guide, a slider, on which an articulated head is so seated, that it has at least two degrees of freedom perpendicular to the linear guide, wherein the insertable device is at least axially guided in the articulated head in the mounted state.

A multi-functional vice base including a main body and a plate is provided. The main body includes a bottom surface, side surfaces and fixing portions. At least two side surfaces form a groove therebetween. Each fixing portion is disposed between the groove and the bottom surface. A first fixing member goes through a through hole of one of the fixing portions and is fixed on a working machine bench. The plate is detachably disposed at one of the side surfaces. Whereby the vice base can be mounted on various sized horizontal machining centers. Besides, plates with different size are allowed to be mounted on the main body for clamping work pieces whose sizes are different.

A hand tool for inserting a large variety of connector components into narrow plastic irrigation piping is disclosed. This tool is an improved and progressive development of my previous Israeli patent no: 152089 in that it is designed to work with a large variety of connector components and is designed to accommodate both sizes of narrow spaghetti piping, whereas the previous patent could accommodate only a single size of narrow piping. The tool as shown in FIG. 2 has a body onto which all the elements are connected and the body is configured to sit comfortably in the palm of the hand. When pressing down on the handle, the grips secure the narrow piping and cause a connector component, deployed in appropriate recess provided in the tool to be easily inserted into the narrow piping.

A support structure for supporting a semiconductor device during a bonding operation is provided. The support structure comprises a body portion defining an upper surface configured to support a semiconductor device during a bonding operation. The upper surface defines a constraining feature for constraining at least a portion of the semiconductor device during the bonding operation.

A prosthetic inserter includes an inserter head having at least first and second bosses, at least one of the bosses movable from a first position to a second position, that couple the inserter to a femoral provisional component via a pair of corresponding apertures, such as drill holes, within the articulating surfaces of a selected one of a series of femoral provisional components. Each provisional component of the series is capable of having different aperture distances measured between a respective pair of apertures. The bosses of the inserter are biased into an engagement position in which the inserter can be secured to a femoral provisional component to eliminate the need for an external engagement force to be supplied to the inserter.

A full-line printhead includes a base in which a plurality of substrates each including arrayed print elements are arranged in the arrayed direction has the following arrangement. The base includes a terminal for inputting a first differential signal, a first pair of lines for transferring the first differential signal from the terminal to the substrates, a terminal for inputting a second differential signal, and a second pair of lines for transferring the second differential signal from the terminal to the substrates. Each substrate includes a first amplifier for amplifying the first differential signal transferred via the first pair of lines, and a second amplifier for amplifying the second differential signal transferred via the second pair of lines. Control is performed to change the gain of the first amplifier based on a control signal from outside.

An ink supply reservoir, and method of supplying ink, is described.

A liquid ejection apparatus includes: (a) a storage device for storing an image data set representing a plurality of images; (b) a liquid ejection head for performing an image formation on each recording medium; (c) a curl reduction device for reducing curl caused in each recording medium having the corresponding image formed thereon by the liquid ejection head; (d) an output tray for receiving each recording medium whose curl has been reduced by the curl reduction device, such that the received recording media are stacked on the output tray; and (e) a control device configured to control the curl reduction device, such that the curl caused in an earlier one of the recording media is reduced by a smaller degree than the curl caused in a later one of the recording media that has been subjected to the image formation later than the earlier one of the recording media.

A laser scanning unit includes a laser light source, rotating polygon mirror, drive motor, and entry detection, intensity detection, intensity adjustment, and drive control portions. The laser light source radiates first and second laser lights in first second directions, respectively. The drive motor rotates the polygon mirror reflecting the first laser light. The intensity adjustment portion adjusts the first laser light in accordance with the second laser light detected by the intensity detection portion, until a second time after a first time has elapsed since the first laser light entry detection by the entry detection portion. The drive control portion, upon adjustment by the intensity adjustment portion, drives the drive motor at a first rotation speed, wherein a return light entry timing is included within the first time or from when the second time has elapsed to the timing of the entry detection portion detection.

An image forming device includes a photoreceptor drum including a target surface that is scanned in a main scanning direction and a sub-scanning direction, an exposure head including a plurality of light emitting segments aligned in parallel to the main scanning direction, an exposure driving unit which selectively drives the plural light emitting segments, a storing unit which stores a profile where the respective positions of the plural light emitting segments correspond to a correction amount from the main scanning direction toward the sub-scanning direction at every position, and a correcting unit which smoothes a local change of the correction amount in the profile.

For each totally black pixel of image data to be printed using a fluid-ejection printing device, it is determined whether the pixel is part of a line feature or an area fill feature of the image data. Where the pixel is part of a line feature, a first printing mask selected that is optimized for printing line features. Where the pixel is part of an area fill feature, a second printing mask is selected that is optimized for printing area fill features. Each mask specifies a number of fluid droplets to be printed and positions where the fluid droplets are to be printed. The selected mask is applied to the pixel. The pixel is printed using the mask that has been applied. The fluid-ejection printing device prints the pixel by ejecting the number of fluid droplets specified by the mask at the positions specified by the mask.

There are provided a substrate for an inkjet head and an inkjet head wherein in a case where a protection layer of heating resistors is energized, an electrical connection with portions around the protection layer is more reliably cut. A first protection layer provided for the substrate for an inkjet head includes individual sections provided at positions corresponding to the plurality of heating resistors and a common section which commonly connects the plurality of individual sections. The individual sections and the common section are connected via connect sections which are eluted and connect in a case where an electrochemical reaction occurs between the connect sections and ink when electricity flow therethrough, so that an electrical connection between the individual sections and the common section is cut.

A digital camera includes an image capture assembly; a print media transport assembly; a pagewidth ink jet printhead; a roll of print media; an internal chassis serving as a frame on which the image capture assembly, the print media transport assembly, and the printhead are directly supported; and an external casing completely encasing therewithin the internal chassis. The external casing is openable, and the internal chassis together with the assemblies and printhead supported thereon are removable from the external casing. The internal chassis is provided as an integral frame configured with pre-molded fittings adapted to receive and support the assemblies and printhead.

Disclosed is a detection sensor, which can detect various detection regions even with a small-sized antenna.

The architecture includes a passive radar using opportunistic transmitters and a plurality of active radars that cooperate in the form of a coalition to assure the surveillance of an area of space. The passive radar and the active radars that form the architecture include means for exchanging information and the passive radar is configured to adopt two alternate operating modes: (i) a “watching” mode in which the passive radar carries out surveillance of the area of space concerned and generates detection information, and (ii) an “on-demand data feed” mode in which the passive radar executes at the request of one or more active radars an object search in a given sector of the area under surveillance or an analysis of certain characteristics of the signal received in a given sector.

An antenna array for a radar sensor, wherein the antenna array has a number of antenna elements linearly arranged next to one another. The antenna elements are designed for transmitting or receiving a radar signal, and the antenna array has a switching unit, which is designed to connect the antenna elements according to a predetermined switching sequence individually, one after the other in time, with a transmitting or receiving unit of the radar sensor. The switching sequence, according to which the antenna elements are connected one after the other with the transmitting or receiving unit, deviates from the spatial sequence of the antenna elements in the antenna array.

Assisted-GPS for a portable biometric monitoring device is provided. The portable biometric monitoring device may obtain updated ephemeris data from an associated secondary device via a short-range, low-power communication protocol. The secondary device may be a computing device such as a smartphone, tablet, or laptop. Various rules may control when the ephemeris data is updated. The ephemeris data may be used in the calculation of the global position of the portable biometric monitoring device. Additionally, the portable biometric monitoring device may communicate downloaded position fixing data to the associated secondary device. The associated secondary device may then calculate the global position from the position fixing data.

A rover processor determines position of a rover based upon the interaction between multiple antennas located at the rover and multiple antennas located at a base. The rover antennas may include a rover master antenna having a phase center located at the centroid of the antennas patterns of at least two auxiliary rover antennas. The rover processor may determine the position of the rover master antenna based upon the relative positions of at least two rover antennas (e.g., the rover master antenna and at least one rover auxiliary antenna, or at least two rover auxiliary antennas) with respect to at least two antennas of a base transceiver.