Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8115593 | Adaptive network and method A plurality of modules interact to form an adaptive network in which each module transmits and receives data signals indicative of proximity of objects. A central computer accumulates the data produced or received and relayed by each module for analyzing proximity r... | 02/14/2012 |
| 7389089 | Methods to remotely control a wireless unit Methods for remote control of a wireless unit such as remote power-on and remote power-off. An authorized user may send a power-on communication to a remote wireless unit. The power-on communication may be sent by way of an activation system. The wireless unit may b... | 06/17/2008 |
| 7378964 | Very low power active RFID receiver A receiver includes two receiving modules, where the first receiving module is extremely parsimonious on battery power and as long as it is successful in developing a proper output signal at a given port maintains the second receiving module off, or substantially of... | 05/27/2008 |
| 7376448 | Heterodyne receiver and communication system with demodulator switchable between demodulation schemes based on received status signal The heterodyne receiver includes an antenna, a local oscillator, a mixer mixing a signal received by the antenna with a local oscillation signal generated by the local oscillator to produce an IF signal, and a demodulator demodulating the IF signal. The local oscill... | 05/20/2008 |
| 7372358 | Portable computer supporting paging instructions A portable computer is described that contains a circuit for receiving pages and performing security functions based on the received page. Once a page has been received by the portable computer, the computer's hard drive can be automatically reformatted, or the port... | 05/13/2008 |
| 7359448 | Remote transmitter system and method A remote transmitter system for vehicle applications includes a remote transmitter for carrying by a user and a receiver for mounting on a vehicle and receiving an amplitude modulated signal. The transmitter is operative to transmit the amplitude modulated signal at... | 04/15/2008 |
| 7355506 | Systems and methods for deterring theft of electronic devices Systems and methods for remotely shutting down or preventing operation of device via a wireless network infrastructure are provided. The device may be disabled using a defined command the device receives on a wide area network, such as a SPOT network or wireless car... | 04/08/2008 |
| 7295827 | Mobile station dynamic power saving control A mobile station in an 802.11 wireless network dynamically adjusts a number of 802.11 beacon intervals to sleep based on a power savings level and a required wake-up time to receive packets from an access point. The power savings level is based on data traffic activ... | 11/13/2007 |
| 7292545 | Wireless LAN system To provide a wireless LAN system, a sleep mode is set for reducing consumed power and, when an arrival of the own address side is present, wake-up is caused to reliably receive the arrival. Specifically, a plurality of hosts 20 such as PC interconnected with ... | 11/06/2007 |
| 7272132 | Wireless communication apparatus and method capable of adjusting beacon period A wireless communication apparatus capable of adjusting a time interval between slot sections in accordance with the amount of traffic in a piconet. The wireless communication apparatus has a transceiver for sending and receiving data to and from an external device,... | 09/18/2007 |
| 7260106 | Method and apparatus for managing energy usage of processors while executing protocol state machines A method and apparatus of implementing protocol state machines that conserve energy on energy conscious devices is disclosed. Under this method, most of the energy consuming protocol state machine context invocations or operations are aggregated in time and are sche... | 08/21/2007 |
| 7212786 | Wireless communication system and microcomputer Providing a wireless communication device that, even if clock stop of a radio frequency part is controlled by a baseband part operating on the same clock signal, can resume clock oscillation, and makes it easy to time the clock reactivation to other operations based... | 05/01/2007 |
| 7194248 | Apparatus and method for performing power saving control of mobile terminal Disclosed is an apparatus and method for performing power saving control of a mobile terminal, which includes a battery capacity measurement unit, an input unit, a memory and a controller. Using the input unit, the user specifies a power saving mode type of the term... | 03/20/2007 |
| 7180884 | Method and apparatus for varying the rate at which broadcast beacons are transmitted In an apparatus for varying the rate at which the broadcast beacons are transmitted, there is at least one router (2). The router transmits beacons which contain various types of data, controls the rate at which the beacons are transmitted, and adaptively var... | 02/20/2007 |
| 7176810 | On-vehicle DSRC apparatus An on-vehicle DSRC apparatus capable of being operated with a battery power supply while decreasing power consumption includes a radio unit (1) for performing communication with an on-road radio equipment (30), a data processing unit (2) for pro... | 02/13/2007 |
| 7167732 | Method for enhanced power saving on DCF based wireless networks A method for enhanced power saving on DCF based wireless networks is disclosed. The method divides a beacon transmitting section in an Announcement Traffic Indication Message (hereinafter, referred to as “ATIM”) window period defined by IEEE standard 802.11 acco... | 01/23/2007 |
| 7162279 | Portable communication device having dynamic power management control and method therefor Briefly, in accordance with one embodiment of the invention, a portable communication device includes two processors. A power management controller may be adapted to alter an operational characteristic of the processors. In an alternative embodiment, the power manag... | 01/09/2007 |
| 7149555 | Mobile phone capable of stopping main clock signal A mobile phone has at least one main clock system and operating based on a main clock signal of the main clock system. The main clock system includes a main counter for counting main clocks of the main clock signal; and a power saving section for stopping generation... | 12/12/2006 |
| 7133374 | Processing wireless packets to reduce host power consumption An access point in a wireless network may receive packets over a wired network. The access point may be provided with instructions from the host to determine when to awaken the host from a reduced power consumption state in response to the receipt of a packet. Thus,... | 11/07/2006 |
| 7107080 | System and method to conduct idle mode paging channel monitoring within a cellular wireless network A method and system to determine when a wireless terminal has been paged by a servicing base station. An encoded paging burst is received on a paging channel and then decoded to produce a decoded paging burst. The decoded paging burst is processed to determine if it... | 09/12/2006 |
| 7085312 | Spread spectrum communication apparatus and method of controlling the same Ending of a sleeping period is managed by, for one portion thereof, first clock signals being counted by a first clocking section, and for a remaining portion thereof, second clock signals being counted by a second clocking section. At this time, a count number by w... | 08/01/2006 |
| 7062281 | Multi-mode paging system A multi-mode paging system and method of selectively paging an individual through one of a plurality of paging mechanisms. An indication of a paging mechanism for each individual to be paged is stored in a memory device. When an input is received from a user to page... | 06/13/2006 |
| 7054630 | Selective processing of the common control channel Methods and apparatus are presented to reduce the amount of processing required by a remote station to successfully decode the Common Control Channel (CCCH). During periods when a remote station does not implement any update requests, CCCH messages are discarded. Du... | 05/30/2006 |
| 7051220 | Mechanism for reducing power consumption of a transmitter/receiver circuit A mechanism that reduces power consumption of a transmitter/receiver circuit in a wireless device. The transmitter/receiver circuit is powered down to a reduced-power state after transmitting a message. The reduced-power state is too low to be able to transmit or re... | 05/23/2006 |
| 7042808 | Radio-corrected timepiece To make a time instant correction possible while suppressing an electric power consumption due to a reception of radio wave containing a time instant information. When a reception means has been made into its operation state in order to receive the radio wave contai... | 05/09/2006 |
| 7039438 | Multi-mode radio communications device using a common reference oscillator A multi-mode radio communications device 100 provides simultaneous timebase monitoring for GSM/TDMA/EDGE using Accumulator Type ‘Layer 1’ timers (150) to avoid the need for one or more secondary reference phase lock loops (PLLs). The use of such ti... | 05/02/2006 |
| 7013160 | Method and apparatus for performing fast power control in a mobile communication system A method and apparatus for controlling transmission power levels in a mobile communication system. The method provides for a closed-loop power control method. A mobile station provides information on the quality of the signal received from the base station, and the ... | 03/14/2006 |
| 7012979 | Tone signal detection circuit for detecting tone signals Tone signal detection circuit for a receiving circuit for detecting at least one tone signal of predetermined tone signal frequency (fE) which is contained in a received analog input signal, comprising a reference signal generator (41) for generati... | 03/14/2006 |
| 7002905 | Method and apparatus for performing the rebooting of a network node with minimal loss of network traffic A method of managing a network switch having a processor card, including a memory and a processing unit in the processor card is described. The method includes the steps of detecting an error and determining a type of the error. Then, determining whether a threshold... | 02/21/2006 |
| 6980823 | Intermediate wake mode to track sleep clock frequency in a wireless communication device Various techniques for improving a wireless communication device are described. The techniques may include reducing power in a wireless communication device for a first sleep period and then increasing power in the wireless communication device for an intermediate w... | 12/27/2005 |
| 6970679 | Method of detecting a redirection or relaying of a contactless data transmission using at least two sequentially driven transmitting antennas A method detects relaying of a contactless data communication by a radio amplifier for intercepting and manipulating the communication to achieve an unauthorized authentication. The method involves transmitting an electromagnetic field successively from at least two... | 11/29/2005 |
| 6970726 | Mobile station having short-range radio function and power consumption reduction method therefor A mobile station with a short-range radio function includes a radio section which communicates with a base station and a short-range radio section for performing short-range radio communication independently of the radio section. This mobile station further includes... | 11/29/2005 |
| 6968220 | RF receiver with power off control An RF receiver or another type of electronic circuit contains circuit elements a setting of which is controlled by at least one control voltage. Furthermore, a control unit is provided for switching off the circuit elements during power-off periods. While the circui... | 11/22/2005 |
| 6959059 | Radio signal receiving circuit detecting a synchronizing pattern A pulse generator is provided which operates as a counter capable of resetting a count according to an instruction signal for providing instructions for the detection of a synchronizing pattern from a previously received burst signal having some of continuous pseudo... | 10/25/2005 |
| 6950673 | Cellular phone terminal and intermittent reception control method to be used in a cellular phone terminal A cellular phone terminal can eliminate extra process and save power to be consumed. The cellular phone terminal includes a low speed clock circuit generating a low speed clock to be used for generating a low speed clock used for generation of a preliminarily set in... | 09/27/2005 |
| 6937080 | Current-controlled CMOS logic family Various circuit techniques for implementing ultra high speed circuits use current-controlled CMOS (C3MOS) logic fabricated in conventional CMOS process technology. An entire family of logic elements including inverter/buffers, level shifters, NAND, NOR, X... | 08/30/2005 |
| 6928293 | Apparatus and method for receiving quick paging message in mobile station An apparatus and method for receiving a quick paging message in a mobile station wherein a controller for synchronizing with a second clock in a predetermined time slot and transmitting a command for obtaining a synchronization at a frequency of receiving the quick ... | 08/09/2005 |
| 6920342 | Electronic device having an operating mode and an energy saving standby mode, and a method for switching between the two modes An electronic device has an operating mode and an energy saving standby mode. The electronic device includes an input-side antenna element for receiving a signal carrying information, a receiving unit for processing the basic information carried on the signal, a vol... | 07/19/2005 |
| 6915146 | Method and apparatus for receiving a plurality of different codes at a plurality of different frequencies A receiver capable of receiving a plurality of different codes at a plurality of different frequencies is set forth herein. The receiver offers digital frequency control by using a controller driven signal diode to add or remove capacitance to or from a band pass fi... | 07/05/2005 |
| 6889055 | Technique for reducing average power consumption in a wireless communications device A method and system of reducing average power consumption in a wireless communication device (WCD) that operates in sleep and awake modes during monitoring of a slotted paging channel includes the steps of providing a plurality of counters; establishing a roll over ... | 05/03/2005 |
