Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8068802 | Estimating the location of a wireless terminal based on calibrated signal-strength measurements A process and machine for estimating the location of a wireless terminal is disclosed. The illustrative embodiment of the present invention is based on the observation that the signal strength of a signal from a transmitter is different at some locations, and, there... | 11/29/2011 |
| 7865161 | File delivery session handling In receiving a file delivery session in which field descriptor tables (FDTs) identify Transport Objects (TOs) transmitted along with the FDTs, a receiver determines whether the files of the session have been received using a number of timers. A fragment wait timer t... | 01/04/2011 |
| 7796966 | Estimating the location of a wireless terminal based on calibrated signal-strength measurements A process and machine for estimating the location of a wireless terminal is disclosed. The illustrative embodiment of the present invention is based on the observation that the signal strength of a signal from a transmitter is different at some locations, and, there... | 09/14/2010 |
| 7409199 | Direct conversion receiver with DC offset compensation A direct conversion receiver includes a mixer for converting an RF signal into a baseband signal, a dynamic DC offset compensator for compensating for a dynamic DC offset caused by the effect of second order nonlinear distortion of the mixer on an interfering wave t... | 08/05/2008 |
| 7389097 | Receiver, transceiver circuit, signal transmission method, and signal transmission system A receiver has an offset application circuit for applying a known offset to an input signal, and a decision circuit for comparing the offset-applied input signal with a reference voltage. The level of the input signal is determined based on the known offset and on t... | 06/17/2008 |
| 7362741 | Method and apparatus for wireless communication network operating in compressed mode There is provided a method for use by a user equipment of a Universal Mobile Telecommunication System (UMTS) that supports HSDPA, and a network node in communication with such a user equipment. In an embodiment the method includes, identifying a transmission gap in ... | 04/22/2008 |
| 7337899 | Pillbox A pillbox that can be used with a portable electronic device (“PED”) such as a cellular telephone or personal digital assistant includes a generally cubic body portion that is attached to one end of a PED. The body portion defines a compartment within which medi... | 03/04/2008 |
| 7308245 | Mobile station Provided is a mobile station that a user is able to use without inconvenience, and that is able to realize power consumption saving. The mobile station: records a speech-communication history including information identifying a time at which speech communication occ... | 12/11/2007 |
| 7295822 | Radio wave receiver, radio-controlled timepiece and tuning capacitance setting method A radio wave receiver for receiving radio waves having a predetermined frequency, the receiver comprises an antenna, an variable capacitor connected to the antenna, a memory, and a controller which determines an optimum capacitance of the variable capacitor with whi... | 11/13/2007 |
| 7272371 | Radio receiver and radio receiving method A radio receiver comprises an LNA which amplifies An RF signal, a quadrature demodulator which directly demodulates the amplified RF signal into a B/B signal, using a LO signal, a VGA which amplifies the B/B signal, a DC offset canceller which executes feedback cont... | 09/18/2007 |
| 7266171 | Phase-locked loop circuit and radio communication apparatus using the same A communication apparatus includes a phase-locked loop circuit which receives a first signal having a frequency and converts it into an output signal having a transmission frequency and includes a current output type phase comparator which converts a phase differenc... | 09/04/2007 |
| 7209767 | Cellular phone suppressing degradation of receiving sensitivity A cellular phone includes a radio circuit block, and a control block including a CPU for controlling operations of the cellular phone and treating data for the cellular phone. The control block retains an interrupt signal when the radio circuit block receives a radi... | 04/24/2007 |
| 7190939 | Time division IQ channel direct conversion receiver and method therefor A direct conversion receiver includes a local oscillator for generating a sinusoid, a mixer for receiving an incoming signal and for mixing the incoming signal with the sinusoid, an analog-to-digital converter for converting the mixed analog signal into a digital si... | 03/13/2007 |
| 7120408 | Differential signal squelch detection circuit and method An electrical circuit detects a “squelch,” or “out-of-band,” state of a differential signal pair having a positive (“p”) signal line and a negative (“n”) signal line. In one embodiment of the invention, a first and a second comparator each have posit... | 10/10/2006 |
| 7072696 | Solar-powered mobile telephone A mobile telephone apparatus is disclosed in which a solar power source is used to supplement battery power. A solar cell array is positioned on the surface of the telephone and supplies electric current to the telephone. A preferred embodiment of the present invent... | 07/04/2006 |
| 7069042 | Quadrature direct synthesis discrete time multi-tone generator A tone generator in a transceiver of a communications device may generate an arbitrary signal using two shift registers to generate the time intervals. During each time interval, a different capacitor is switched onto the node to change the voltage potential on that... | 06/27/2006 |
| 7049954 | Data transmission system A data transmission system for short but frequent data pulses comprises a transmitter (10) and a receiver (12). The transmitter comprises a pseudo-random signal generator (16) which governs the time delay between successive timing points and a l... | 05/23/2006 |
| 7027766 | Reducing the time difference between programs being transmitted to two different receivers A content distribution system may distribute content to a plurality of receivers on demand. When it is determined that two different receivers are receiving the same program but one receiver requested the information prior to the other, bandwidth may be conserved by... | 04/11/2006 |
| 7024366 | Speech recognition with user specific adaptive voice feedback A multi-level speech recognition driven system provides user specific adaptive voice feedback based on a specific user's level of sophistication. If a voice input is detected, the system determines whether the voice input is associated with a specific user. When a u... | 04/04/2006 |
| 7010365 | Remote controlled system with computer-based remote control facilitator A remote controlled system employs a computer-based remote control facilitator to facilitate remote control of a controlled device from a non-dedicated remote controller. The computer facilitator is coupled to the remote controller and controlled device via a wirele... | 03/07/2006 |
| 7010361 | Clock radio with computer-based remote control facilitator A clock radio includes a clock a user interface that is dynamically configurable from a remote computer. Once configured, the user interface allows a user to select radio programs that are accessible by the remote computer. When a user selects a radio program via th... | 03/07/2006 |
| 6968168 | Variable oscillator A variable frequency oscillator comprising: an oscillatory circuit for generating a periodic output dependent on the capacitance between a first node and a second node of the circuit, and having a capacitative element connected between the first node and the second ... | 11/22/2005 |
| 6941124 | Method of speeding power-up of an amplifier, and amplifier An amplifier powered by a selectively engageable voltage source and a method for operating the amplifier. The amplifier includes first and second electrodes for receiving an input signal to be amplified. The first and second electrodes are adapted to be respectively... | 09/06/2005 |
| 6934267 | Time slot allocation control based on temperature in a radio transceiver A radio transmitter such as a mobile telephone is operating in a TDMA system. The number of slots which can be allocated for transmissions from said device is adjusted based on the temperature of the casing of the device, the remaining battery life thereof or the mo... | 08/23/2005 |
| 6928275 | Method and apparatus for compensating local oscillator frequency error The frequency error of an oscillator is minimized by characterizing the oscillator. A reference signal from an external source containing a minimal frequency error is provided to an electronic device. The external signal is used as a reference frequency to estimate ... | 08/09/2005 |
| 6907061 | Method for controlling the emission power of a transceiver in communication with another transceiver The present invention relates to a method for use in controlling the emission power of a transceiver which is in communication with another transceiver via a communication system, said method including the steps of measuring the amplitude or the power of the signal ... | 06/14/2005 |
| 6850743 | Radio having adaptable seek sensitivity control and method therefor A tuneable radio and method for automatically adjusting the seek sensitivity alignment for seek operations. The radio has a radio receiver for receiving broadcast radio wave signals, and a tuner adjustable for selecting from a plurality of radio wave signal channels... | 02/01/2005 |
| 6748007 | Method of processing a pulse response with an adaptive threshold and corresponding receiver A method of processing a pulse response with an adaptive threshold and corresponding receiver. According to the method, an adaptive threshold is calculated that is a function of a maximum reached by the pulse response, noise, and a coefficient adjustable between 0 a... | 06/08/2004 |
| 6542726 | Personal data assistant terminal with radio The invention provides a personal data assistant terminal with radio having data transmission and reception functions by a radio wave wherein the applied power supply mode of a CPU can be changed over to a power supply mode required by a peripheral circui... | 04/01/2003 |
| 6507602 | Smoothing receiver channel estimates using spectral estimation A receiving apparatus comprises a receiver receiving signals via multiple propagation paths having different propagation delays and converting the signals to digital samples for processing. A channel estimator is operatively coupled to the receiver for co... | 01/14/2003 |
| 6118990 | Receiving apparatus with diversity This invention is to provide a receiving apparatus with diversity, including a first reception unit for receiving a radio signal, a second reception unit for receiving a radio signal, a selection unit for selecting one of the first and second reception un... | 09/12/2000 |
| 6078578 | Communication apparatus There are a receiving unit for receiving a TDMA signal which is FSK (FM) modulated by a signal containing known information, and a demodulating unit 103 for demodulating received data. The demodulating unit 103 outputs a demodulated signal in a direct con... | 06/20/2000 |
| 6018711 | Communication system user interface with animated representation of time remaining for input to recognizer A system and method for management of an interface for communications systems and devices using a recognizer having a limited time duration recognition window, based on mapping available time to a spatial representation. The system has particular applicat... | 01/25/2000 |
| 6014345 | Apparatus and system for damping external noises with means for producing sound and preventing oversleeping An apparatus designed to damp external noises, allowing the user to sleep in noisy environments. More particularly, it relates to a pair of hearing-protecting ear covers that insulate the user's ears from external noises, ear covers that incorporate a hea... | 01/11/2000 |
| 5999088 | Information display pager A method and apparatus of providing active entertainment for persons waiting for service in which such persons are provided with an electronic pager assembly for notifying when service is available includes an electronically controllable pager assembly ha... | 12/07/1999 |
| 5999562 | Intelligent power management for a programmable matched filter A intelligent power management apparatus for use with a matched-filter. A multiplexer multiplexes shifted-in-phase chips and shifted-quadrature-phase chips from an in-phase-shift register and a quadrature-phase-shift register, respectively, to generate mu... | 12/07/1999 |
| 5764691 | Intelligent power management for a programmable matched filter A intelligent power management apparatus for use with a matched-filter. A multiplexer multiplexes shifted-in-phase chips and shifted-quadrature-phase chips from an in-phase-shift register and a quadrature-phase-shift register, respectively, to generate mu... | 06/09/1998 |
| 5686891 | System for locating an object A system for locating an object. The system includes an electronic device, a wireless transmitter for outputting a transmitted signal, and a receiver wherein one of the receiver or the transmitter is mounted within the electronic device and the other is p... | 11/11/1997 |
| 5638050 | System for locating an object A system for locating an object, particularly a remote control, has a transmitter and a receiver, wherein the receiver has circuitry implementing power saving features. The receiver includes circuitry for turning off portions of the circuitry not essentia... | 06/10/1997 |
| 5604928 | Portable electronic device with radio communication and controlled computer status A radio transmit-receive unit can perform the communication processing stably without being affected by high frequency noise with the system activation of a computer unit, whereby if a communication processing request from the radio transmit-receive unit ... | 02/18/1997 |
