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| Number | Title | Issue Date |
| 8154627 | Imaging device To improve sensitivity by adding pixels, and improve precision of pixel interpolation in an imaging device. An imaging device is provided in which pixels are added along a horizontal direction or a vertical direction to improve sensitivity of an imaging eleme... | 04/10/2012 |
| 5850421 | Method and apparatus for estimating clock slew and carrier translation The present invention helps derive accurate clock and carrier translation presets in the presence of noise and various line shapes. The invention provides an adaptive algorithm that optimizes the calculations of clock slew (ƊTs) and frequency ... | 12/15/1998 |
| 5831636 | Method for compressing ideographic characters for storage decompression and display and a communication device therefor A compression/decompression method useful in communicating ideographic characters to communication devices. An ideographic character is represented by a compressed character codeword including information defining a structure type or layout of the charact... | 11/03/1998 |
| 5825213 | Method and apparatus for frequency synthesis A method and apparatus for frequency synthesis replaces a conventional divide-by-N counter with a low-power binary ripple counter (108). The method and apparatus employs a difference comparison scheme (114) that provides arbitrarily precise channel spacin... | 10/20/1998 |
| 5801684 | Electronic device with display and display driver and method of operation of a display driver An electronic device such as a personal digital assistant (PDA), a data terminal, a computer (particularly a portable computer) or a television (particularly a portable television), having a display (10) and a display driver (20). An ambient radiation sen... | 09/01/1998 |
| 5794148 | Method of making a channel exit decision in a communication system In a data communications system operating on a registered data channel and including an infrastructure 100 and a subscriber terminal 115, a method of making a channel exit decision at the subscriber terminal includes: sampling 201 the registered data chan... | 08/11/1998 |
| 5787248 | System for selecting network management protocol by setting protocol handler index based on newly selected protocol and selecting protocol handler address using protocol handler index Multiplexer (100) includes a plurality of resident network management protocol handlers (116, 118 and 120). The multiplexer user can select which one of the protocols to use from among the resident protocols to use for framing network management messages ... | 07/28/1998 |
| 5787125 | Apparatus for deriving in-phase and quadrature-phase baseband signals from a communication signal In-phase (I) and quadrature-phase (Q) baseband signals (312, 314) are derived from a digitized signal (318) having a sampling rate. The digitized signal is band pass filtered (604) to produce a band passed signal (320), and the band passed signal is delay... | 07/28/1998 |
| 5787087 | Method and apparatus for interconnecting a plurality of terminal equipments to the ISDN An interface port expansion device (302) allows for more than one terminal equipment (304, 306, 308 and 310) having embedded U-interface termination's to interface to the ISDN via the U interface. The port expansion device (302) can take the form of a sep... | 07/28/1998 |
| 5784416 | Method and apparatus for detection of a communication signal The disclosed communication unit functions to detect a signal by detecting the zero crossing of a current sample (and prior samples) and determining a sample value for each sample, and to determine an estimated bit value of a previous sample based on uppe... | 07/21/1998 |
| 5764492 | Radio device with radio shielding and method of manufacture A radio device such as a radio modem having a radio shielding receptacle (10) with a base (16) and first and second sides (40, 42) and having side walls (14). A first circuit board (e.g. radio frequency circuit board 20) is mounted in the receptacle betwe... | 06/09/1998 |
| 5709361 | Fan support member A fan support member (100) includes first (102) and second (104) cantilevered members extending from base member (116). In one embodiment, each of the cantilevered members (102 and 104) includes at least one retention member (106, 108, 110 and 112) which ... | 01/20/1998 |
| 5687767 | Uni-directional fluid valve A uni-directional fluid valve particularly for use as an exhalation valve for a filter mask comprises a flexible flap attached at one end to a concave portion of a seat. The mounting of the flap imparts to it a transverse curvature, stiffening the flap su... | 11/18/1997 |
| 5685180 | Automotive steering security arrangement An anti-theft security arrangement for the steering column of a motor vehicle includes a clutch which is adapted to resist turning of the steering up to a certain torque but thereafter to slip to avoid damage to the parts while still making control of the... | 11/11/1997 |
| 5682879 | Filter mask with eye shield A filter mask has an eye shield comprising a sheet of flexible transparent material sealed to the mask along its lower edge. That edge of the eye shield material has one or more widthwise folds so that, while the upper edge of the mask can follow the cont... | 11/04/1997 |
| 5676778 | Method of manufacturing a filter assembly and the filter assembly produced thereby The present invention provides for a method of manufacturing a filter assembly having a filter frame member (402) and the filter assembly (500) produced thereby. The method includes the step of supporting a filter media (202) preferably using a pair of su... | 10/14/1997 |
| 5546392 | Communications bus and controller The present invention provides for a communication bus (52) and controller (54) which can control communication in more than one communication mode on a TDM bus by inhibiting or interrupting communication in a first mode during communication in a second m... | 08/13/1996 |
| 5539801 | Removable telephone line protection module for an electronic device The present invention provides a removable telephone line surge protection circuit (104) for use by an electronic deuce such as a modem (102). The line protection circuit (104) protects the modem (102) against telephone line surges such as those caused by... | 07/23/1996 |
| 5438694 | Distortion compensation for a pulsewidth-modulated circuit Pulsewidth-modulated amplifier (100) includes a controller (102) which provides for a set of compensated signals (114, 158 and 160). The compensated signals are used for driving a speaker (136). Controller (100) includes a storage area for storing distort... | 08/01/1995 |
| 5422885 | Contention free local area network A contention free local area network includes a token passing control bus (102) and a data bus (104) coupled to a plurality of communication nodes ( 108, 112, 114, 116, 118, and 120). The control bus (102) allows for a transmit-enable token to be daisy-ch... | 06/06/1995 |
| 5420377 | Circuit assembly with vented solder pads A circuit assembly (100) includes a circuit carrier (102) and a solder pad (104). Circuit carrier (102) further includes at least one vent (108) formed in the circuit carrier (102) for venting gases developed during the process of soldering a component or... | 05/30/1995 |
| 5411816 | Method and apparatus for determining battery characteristics A battery charging system (200) comprises a battery (206) and charger (202). Battery 206 includes a thermistor (112) for determining the temperature of battery (206) and a resistor (214), for informing charger (202) of the current capacity of battery (206... | 05/02/1995 |
| 5411199 | Method for attaching a shield A method for attaching a shield (102) to a an electronic assembly (116) having a heat sink (110) includes applying solder on the inner walls (104) of the shield (102). Next, the shield (102) is placed over the electronic assembly (116) such that the elect... | 05/02/1995 |
| 5410181 | Assembly for mounting an electronic device having an optically erasable surface An integrated circuit (106) having an optically erasable portion (114) is joined to a substrate (102) such that the optically erasable portion faces the substrate. The substrate (102) includes an aperture (104) that exposes the optically erasable portion ... | 04/25/1995 |
| 5396648 | Channel acquisition method and apparatus for a communication system A method and apparatus whereby a communication unit (10) transmits a communication channel request and the nearest base site (12) makes the communication channel grant or allocation. A base site receives the channel request signal, measures the received s... | 03/07/1995 |
| 5392193 | Transistor mounting device A transistor mounting device (102) includes a recess area (112) for allowing a transistor (114)to be secured to the transistor mounting device (102) by turning the transistor a certain amount. Once the transistor (114) is secured into position to the tran... | 02/21/1995 |
| 5390341 | System and method for muting and unmuting a communication device A system (200) for muting a portable radio (104) includes a mobile radio (106) having a mute switch (108). Upon activating the mute switch (108), a signalling message is generated (ISW) by radio (106) that is in turn transmitted to the system central cont... | 02/14/1995 |
| 5386495 | Method and apparatus for determining the signal quality of a digital signal A receiver for receiving and decoding a carrier signal is described. The carrier signal is modulated with a digital signal. The receiver includes a receiver section (162) for demodulating the received carrier signal. The demodulated signal is then sent th... | 01/31/1995 |
| 5384828 | Method and apparatus for synchronization in a wireless telephone system A resynchronization method for use in a communication system, such as a second generation cordless telephone system 800, begins by determining that synchronization has been lost by a receiving unit (830). The receiving unit than mutes any transmit data an... | 01/24/1995 |
| 5384459 | Illuminated switch and keypad assembly having a light gradient and a light conductive elastomeric assembly A switch assembly (100) includes a key area (104) and a light reception section (114) for receiving light from input lightpipe (106) and providing some of the light to key area (104). Switch assembly (100) further includes an output lightpipe (122) and an... | 01/24/1995 |
| 5383098 | Shield assembly An electronic device assembly (100)includes a chassis (102), printed circuit boards (108 and 110), and a shield member (128). By placing the circuit boards (108 and 110) inside of chassis (102) and then engaging shield member (128), the printed circuits b... | 01/17/1995 |
| 5382915 | Pulsewidth-modulated amplifier having analog mode An audio amplifier (100) switches between a pulsewidth-modulated (PWM) mode to an analog mode when required in order to reduce unwanted EMI when the signals being reproduced fall within a predetermined threshold range such as when reproducing low amplitud... | 01/17/1995 |
| 5381114 | Continuous time common mode feedback amplifier A continuous time common mode feedback amplifier CTCMFB (300) is suitable for applications requiring fully differential amplifiers in low voltage supply requirements. Two mirror image, low gain CMOS amplifiers (MP0/MP2 and MP3/MP4) in the CTCMFB (300) def... | 01/10/1995 |
| 5379008 | Variable impedance circuit providing reduced distortion An electronic circuit (300) includes first (302) and second (304) variable impedance devices coupled together. The first (302) and second (304) variable impedance devices are designed such that each exhibits a transfer function which is substantially inve... | 01/03/1995 |
| 5373276 | Self centering coil A self centering coil (200) includes a coil section (202) and also having curved end section (206) and (204) at opposite sides of the coil section (202). The curved end sections are preferably substantially flat and in a plane which is parallel to the cen... | 12/13/1994 |
| 5373125 | Switch assembly A tilt switch assembly (100) includes a hall-effect device (102) for determining if a magnet (110) which is placed within a housing (112) has tilted a predetermined amount causing the hall-effect device to actuate. In another embodiment of the invention (... | 12/13/1994 |
| 5365027 | Slide switch assembly Switch assembly (100) includes a housing (112) having a pair of spring finger contacts (114and 116) and a circuit board (144). A spring loaded actuator (134) is slideably located within housing (112) between first and second switching positions. Actuator ... | 11/15/1994 |
| 5363067 | Microstrip assembly A microstrip assembly (100), includes a first substrate such as a multilayer substrate (102, 106 and 112) having pockets or cavity areas (104). A second substrate (110) includes transmission lines (108) on its first surface, and a ground plane on its seco... | 11/08/1994 |
| 5358798 | Battery assembly having a thermal fuse A battery assembly (10) includes at least one battery cell (12) and a circuit carrier (15) in thermal proximity to the at least one battery cell (12). Located on circuit carrier (15) is a thermal fuse (18) which is formed from an electrically conductive r... | 10/25/1994 |
| 5357561 | Communication unit control for wide area communication systems The present invention allows for a communication device (136) which roams within a communication system (100), the ability of maintaining in contact with other communication units, even while the unit is away from its home sub-system. Communication system... | 10/18/1994 |
