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| Patent # | Description |
|---|---|
| US-6,259,924 |
Method and system for comparing measured radio frequency signal propagation
characteristics in a wireless... In a receiver in a wireless communication system, a plurality of radio frequency signal propagation characteristics associated with a signal transmitted from a... |
| US-6,259,904 |
Fast squelch circuit and method A technique is used by a squelch circuit (200) that generates a fast squelch. The technique involves generating a noise signal (211) from a demodulated signal... |
| US-6,259,902 |
Dual channel superheterodyne receiver A dual channel receiver (100) includes a front end bandpass filter (120) that has a front end bandwidth, a first mixer (130), a second mixer (135), and two... |
| US-6,259,791 |
Method and apparatus in a wireless messaging system for controlling a
hierarchical provision of service A first service provider having a highest security of access, initially programs (604) tables in a subscriber unit (122), including an address table (224) having... |
| US-6,259,746 |
Method for allocating data and power in a discrete multi-tone communication
system In the present invention, carriers associated with a discrete multi-tone (DMT) communications system (10) are sorted according to bit allocation capacity. The... |
| US-6,259,744 |
Method and apparatus for mapping bits to an information burst A first group of bits (100, 102, 106), e.g., header symbols/bits, are interleaved to form a first group of interleaved bits. A second group of bits (104), e.g.,... |
| US-6,259,720 |
Versatile digital signal processing system A programmable versatile digital signal processing system architecture (FIG. 5) allows the implementation of functions for transmitting and receiving a variety... |
| US-6,259,672 |
Method and apparatus for providing delayed communications within a
communication system A method of providing delayed communications within a communication system begins with the steps of detecting (201) selection of simultaneous transmission of a... |
| US-6,259,491 |
Double sided laminated liquid crystal display touchscreen and method of
making same for use in a wireless... A touchscreen (126) for assembly onto a liquid crystal display module (119) in a wireless communication device (103). The touchscreen is comprised of a front... |
| US-6,259,318 |
Method for extending the liner range of an amplifier A transceiver (10) includes a transmitter (16) that receives a digital data stream from a digital signal processor (18) to delay lines (20, 30). The delay lines... |
| US-6,259,301 |
Method and apparatus for selecting from multiple mixers An apparatus includes a current generator (101) having an output. A plurality of mixers (103, 105, and 107) is switchably coupled to the current generator... |
| US-6,259,279 |
High frequency detection circuit and method The present invention is a high frequency detection circuit (10) which includes a high frequency filter (12) and a frequency comparator (14) which compares the... |
| US-6,257,756 |
Apparatus and method for implementing viterbi butterflies The Viterbi algorithm (20) is performed with a reduced number of calculations when the comparing step (C, 80, 50) is anticipated before the selecting (S, 62, 64,... |
| US-6,256,866 |
Polymer thick-film resistor printed on planar circuit board surface A method of manufacturing a printed circuit board with a polymer thick-film (PTF) resistor whose dimensions can be defined with improved precision by providing a... |
| US-6,256,506 |
Method and system for creating a radio frequency signature for a signature
region in a coverage area of a... In a wireless communication system, radio frequency signal propagation characteristics associated with a signal transmitted from several locations in the... |
| US-6,256,504 |
Apparatus and method for billing in a wireless communication system A method including the steps of receiving a mobile identification number identifying a mobile unit (36), performing a multilateration location measurement based... |
| US-6,256,494 |
Method of and apparatus for estimating a characteristic of a signal This invention relates to a method of estimating a characteristic of a signal such as a time of arrival or a transmitter identity in particular in a cellular... |
| US-6,256,493 |
Selective call receiver and method for programming a selective call
receiver The generic activation method of a selective call receiver apparatus (122) operating within a messaging system (100) includes providing a selective call receiver... |
| US-6,256,338 |
Method for determining fading correction factor in a communication system A method for determining a fading correction factor to be used for correcting a sample of a power delay profile of a received signal in a communication system,... |
| US-6,256,008 |
Computer screen saver with wireless messaging capability and method
therefor A wireless screen saver for use with an electronic information processing device (106) having a display screen (300). The wireless screen saver has a first... |
| US-6,255,903 |
Linear power amplifier with configurable feedforward error correction
circuits A linear power amplifier having one or more feedforward correction loops automatically reconfigures itself for single loop operation based on a power reduction... |
| US-6,255,805 |
Device for electrical source sharing An apparatus for electrical source sharing between a power grid, at least one local generator and a local load includes a power circuit, a data port and a... |
| US-6,255,710 |
3-D smart power IC An integrated smart power circuit including a power semiconductor device fabricated on a conducting substrate with a source positioned adjacent the upper surface... |
| US-6,255,579 |
Method and apparatus for utilizing heat dissipated from an electrical
device Embedded electronics (102) are operated under normal operating conditions, with power being supplied to embedded electronics via a power source (205). Heat is... |
| US-6,255,204 |
Method for forming a semiconductor device A first metal-containing material (22) is formed over a semiconductor device substrate (10). A second metal-containing material (32) is formed over the first... |
| US-6,254,815 |
Molded packaging method for a sensing die having a pressure sensing
diaphragm A method forms a plastic package (28) for a sensing die (10) having a pressure sensitive diaphragm (22), wherein the diaphragm (22) has a first surface (24) and... |
| US-6,254,685 |
Chemical vapor deposition trap with tapered inlet A trap filter chamber (16) removes chemical by-products created during the manufacturing process of semiconductor wafers in a low pressure chemical vapor... |
| US-6,254,343 |
Low-noise cooling fan for electronic components and method of making the
same An improved cooling fan (12) fan for cooling an electronic component includes a rotor (26) rotatably mounted in a housing (18) and having a plurality of fan... |
| US-D444,448 |
Battery for a cellular telephone |
| US-6,253,091 |
Method and apparatus for establishing dynamic group communications A first communication device (18-22) provides a request for the establishment of a group communication to a communication infrastructure (12-14). The request... |
| US-6,253,066 |
Apparatus and method for producing a plurality of output signals with fixed
phase relationships therebetween An apparatus and method produce a plurality of output signals (917-921) with fixed phase relationships therebetween. The apparatus (900) includes a first signal... |
| US-6,253,063 |
Method and apparatus for selecting a communication data rate between mobile
and base stations A mobile station (110) selects an initial data rate for communication between base station (107) and mobile station (110). Mobile station (110) communicates the... |
| US-6,252,867 |
Method and apparatus for determining remote unit location using phased
array antenna elements An apparatus (100) and method dynamically allocates radio frequency receive path resources as required by a programmable location engine (112). The programmable... |
| US-6,252,862 |
Method and apparatus for routing packet data in a communications system A method and apparatus for routing packet data in a communications system. The method includes receiving a first path packet at first node, the first path packet... |
| US-6,252,795 |
Programmable resistive circuit using magnetoresistive memory technology A programmable resistive circuit using magnetoresistive memory elements incorporated into one or more programmable segments coupled together between first and... |
| US-6,252,516 |
Radio with silent and audible alerts An alerting device, such as a radio (10), activates, responsive to the times when an information signal (12) is received, a silent alert, via a vibrator (24),... |
| US-6,252,515 |
Radio with silent and audible alerts An alerting device, such as a radio (10), activates, responsive to the times when an information signal (12) is received, a silent alert, via a vibrator (24),... |
| US-6,252,508 |
Radio frequency identification tag arranged for magnetically storing tag
state information A radio frequency identification tag system (10) utilizes a radio frequency identification tag (16) that includes stored tag information. The tag includes an... |
| US-6,252,471 |
Programmable oscillator using magnetoresistive memory technology A programmable oscillator including a memory array of magnetoresistive memory elements, where the memory array is programmed to any one of multiple states based... |
| US-6,252,456 |
Power amplifier load controller and method for controlling a power
amplifier load The present invention addresses the need for an apparatus and method for controlling the load of a PA, to improve PA efficiency in linear transmitters with... |
| US-6,252,455 |
Method and apparatus for efficient signal amplification An amplifier circuit (100) includes a power amplifier (124) that has a modulated power supply input (125). The modulated power supply input (125) is modulated... |
| US-6,252,434 |
Voltage comparator A voltage comparator (10) includes a differential amplifier (12), a switched latch (32), and a switch (26). The voltage comparator (10) receives a first input... |
| US-6,252,379 |
Variable on demand energy source A cell current limiting circuit includes a current-limiting device that electrically couples a cell to a battery terminal. A bypass current path is in parallel... |
| US-6,251,734 |
Method for fabricating trench isolation and trench substrate contact A method of manufacturing semiconductor components includes etching two trenches (105, 106, 805, 806, 1205, 1206) into a surface of a substrate (101, 801, 1201),... |
| US-D444,124 |
Desktop charger |
| US-D444,121 |
Desktop charger |
| US-6,249,894 |
Method for determining a need to retransmit a message in a communication
system The present invention provides a method for determining a need to retransmit a message that includes a user frame from a base station (104) in a communication... |
| US-6,249,857 |
Apparatus using a multiple instruction register logarithm based processor In accordance with a first embodiment, a processing apparatus is provided. The processing apparatus (10) includes a register (12) including a first and a second... |
| US-6,249,678 |
Communication unit and method for performing neighbor site measurements in
a communication system The present invention provides a method and apparatus for performing neighbor site measurements that address the need to reduce data transfer delays while... |
| US-6,249,262 |
Switchable antenna for radio communication devices A switchable antenna (10) with a base antenna assembly (11), a secondary antenna assembly (12) and a switch. Base and secondary antenna assemblies (11,12) have... |
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