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| Number | Title | Issue Date |
| 8031049 | Method of communicating a command for load shedding of a load control system The present invention provides a means for secure communication between an electrical utility company and an electricity customer, such that the customer is able to shed one or more loads in response to a load shed command from the utility company. A system server o... | 10/04/2011 |
| 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 |
| 7333450 | Power control of network part transmitter in radio system The invention relates to power control of a network part transmitter in a radio system. The method comprises: establishing a radio connection from the network part transmitter to a user equipment; sending a signal on the radio connection from the network part transm... | 02/19/2008 |
| 7289578 | Wireless local area network apparatus A wireless local area network apparatus includes a transmitter and a receiver in which operation of the receiver is accurately synchronized with periodic signals from the transmitter. The periodic signals contain timing data indicating the state of a timer in the tr... | 10/30/2007 |
| 7281143 | Method of controlling power by a power controller controlling a power switch of an unused communication interface The wireless LAN access point comprises a CPU, a PCI bus connected to the CPU, a power source section 18 connected to the PCI bus, a wireless LAN interface 16, and a wire LAN interface. Each of the communication interfaces comprises a power switch whic... | 10/09/2007 |
| 7263620 | System and method for graceful shutdown of host processor cards in a server system A host processor card configured to be fitted into a server system includes a processor, and a memory coupled to the processor for storing an operating system. A power control line controls the power state of the host processor card. A graceful shutdown circuit is c... | 08/28/2007 |
| 7203850 | Power management for a network utilizing a vertex/edge graph technique A power management technique for a network including a plurality of computing devices. The power management technique includes identifying an order in which one or more devices of the plurality of computing devices can transmit data within the prescribed time period... | 04/10/2007 |
| 7196737 | Method of using control loops in a broadband cable tuner Currently tuner circuits maintain normal power consumption while they are receiving RF signals and do not have provisions therein for disabling portions of their circuitry for reducing of power consumption. For example, during changing of channels, portions of the t... | 03/27/2007 |
| 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 |
| 7165224 | Image browsing and downloading in mobile networks Systems and methods are provided for browsing miniaturized versions of images stored locally on a mobile device while allowing the associated full-sized image to be transferred to the mobile device as needed. In one embodiment of the invention, a method of viewing a... | 01/16/2007 |
| 7079512 | Quality indicator and method for frame selection in wireless network A method and system for indicating quality of a radio frame transmitted over a wireless link includes receiving a radio frame from the wireless link. A power indicator for the radio frame is determined based on a power control trend of the wireless link. A quality i... | 07/18/2006 |
| 7010058 | Wireless local area network apparatus A wireless local area network apparatus includes a transmitter and a receiver in which operation of the receiver is accurately synchronized with periodic signals from the transmitter. The periodic signals contain timing data indicating the state of a timer in the tr... | 03/07/2006 |
| 6947489 | Combined preamble detection and information transmission method for burst-type digital communication systems Burst transmissions in a burst-type communication system include a preamble synchronization sequence which allows detection and synchronization a burst transmission while at the same time providing information to a receiver, for example, on the subsequent burst payl... | 09/20/2005 |
| 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 |
| 6931555 | Power management system including a power controller for switching components to low or high power state based on signals received from power modules A power management system for electrical and electronic apparatus has a number of components which may be switched to a low power state. A power controller (20) is coupled to each component in the apparatus and a plurality of power modules (22, 24, 26)... | 08/16/2005 |
| 6922788 | Low power access to a computing unit from an external source A method for conserving energy in a computing unit and transferring data between the computing unit and an external source. The computing unit is in a power saving mode. The method includes receiving at the computing unit a request from an external source, determini... | 07/26/2005 |
| 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 |
| 6859135 | System and method for conserving energy in wireless devices A device conserves energy while engaging in wireless data communications. The device determines (705) whether it has ceased data communication for a first period of time. The device then selectively powers down (725) components in the device when the d... | 02/22/2005 |
| 6747567 | Remote controlled electronic apparatus and remote control method thereof An electronic apparatus wherein a remote control signal received via a filter is decoded and, upon deciding that the control signal is a power cutoff instruction, a controlling microcomputer outputs a filter control signal for actuating the filter to place the appar... | 06/08/2004 |
| 6717660 | System for monitoring and testing of light sources A light monitoring system provides a sensing unit coupled to a luminaire. The sensing unit monitors both the input and the output of the luminaire for both current and voltage. In this manner, a variety of problems with the luminaire can be detected by the sensor an... | 04/06/2004 |
| 6697617 | Notification of a low-battery and maintaining communication in a wireless network A system and method for notifying a remote device of a low battery capacity condition in a wireless communications system is disclosed. A detector monitors the capacity of the battery in a wireless device receiving operational power from the battery for a... | 02/24/2004 |
| 6618580 | Apparatus and method for remotely powering-down a wireless transceiver A portable computer or a similar electronic device having a wireless data communication device such as a Bluetooth transceiver is provided with a power down procedure activated by a remote control device. For example, a single key remote control device em... | 09/09/2003 |
| 6556128 | Method for reducing power consumption in wait-mode A method and apparatus for reducing power consumption of a receiver is provided. The receiver may have an identification number and may receive a portion of a hailing message in a non-sequential manner. The portion may comprise a segment of a hailed ident... | 04/29/2003 |
| 6487425 | Method and system for switching a mobile station from a low power limited operations mode to a normal operating mode A method of supporting a switch from a limited operations low power operating mode of a mobile station (50) to a normal operating mode of the mobile station (50) in a wireless network (40). The method comprising the step of causing the mobile station (50)... | 11/26/2002 |
| 6256476 | Power management for a telephone system by dynamically adjusting transmission power A power management system for a mobile unit wherein the base station detects the quality of the signals transmitted by the mobile unit. Based on this signal quality, the base station determines if the mobile unit should increase the transmission power lev... | 07/03/2001 |
| 6097933 | Method and apparatus for conserving power in a pager A paging protocol includes header synchronization and system information segments containing information that allows a pager to conserve power. These segments can indicate a schedule of transmissions, and the channels of other transmissions. The pager can... | 08/01/2000 |
| 6088600 | Discontinuous transmission of circuit-switched analog cellular data A cellular modem couples a data terminal equipment (DTE) to a portable mobile telephone that includes a cellular transceiver. The cellular modem monitors the activity of a circuit-switched analog cellular data connection between the DTE and a far-end data... | 07/11/2000 |
| 6044359 | Method of minimizing power consumption within an electronic price label A method of minimizing power consumption within an electronic price label (EPL) which conserves battery life. A time period for removing power from a transceiver within the EPL is determined by a computer from price change frequency data. A message to con... | 03/28/2000 |
| 5991281 | ATM radio transmission apparatus An ATM radio transmission apparatus includes an ATM unit having a normal operation mode and a low power consumption mode, a CPU for determining a transmission request based on information of a radio section, and a control line for switching an operation m... | 11/23/1999 |
| 5924017 | Method and system for adaptively setting wake-up intervals in paging devices In a paging system, a central paging station determines a preferred amount of time, or "sleep value," that a paging device is to be inactive during a paging cycle based upon the volume of page messages that paging device historically receives during given... | 07/13/1999 |
| 5805980 | Communication receiver for controlling a receive operation in response to a control value A method and apparatus determine a response to a control value (316, 320) periodically transmitted by a communication system in at least one code word (306, 332) of a frame (302) of data of a communication protocol. The control value (316, 320) is for con... | 09/08/1998 |
| 5794137 | Method for increasing stand-by time in portable radiotelephones Reduced current drain is effected by cycling off non-essential circuits within the radiotelephone during periods of inactivity. The period of inactivity is dynamically allocated using data update messages sent over the analog control channel. Each data up... | 08/11/1998 |
| 5778309 | Gain adjustment method in two-way communication systems A method for reducing the dynamic range required of a receiver circuit in a remote transceiver in 2-way communication between local and remote transceivers. By repeatedly transmitting a signal with successively increasing power from one transceiver until ... | 07/07/1998 |
| 5722065 | Mobile communications system and mobile receiver Battery saving is achieved by not receiving subframes which do not need to be received. Information regarding the time interval during which unnecessary subframes will be transmitted is inserted in a significant subframe which the base station transmits p... | 02/24/1998 |
| 5629934 | Power control for CDMA communication systems A transmitter transmits the desired signal using a continuous duty cycle at transmission rates of less than full rate (FIG. 6 ). The energy used in each power control group is related to the transmission rate. By repeating the power control groups, time d... | 05/13/1997 |
| 5613208 | Channel scan in cellular telephone system A method and apparatus for controlling scanning of radio channels by mobile stations in a cellular radiotelephone system, including transmitting from a base station a control signal, e.g., a battery savings order, to a group of mobile stations for informi... | 03/18/1997 |
| 5587706 | Method and apparatus for power off control of a selective call radio A selective call radio (100) includes a receiver section (103), an address detector (210), a power off command detector (220), and a power control section (240). The receiver section (103) is for receiving and demodulating a radio signal. The address dete... | 12/24/1996 |
| 5570353 | Method of transmitting and receiving power control messages in a CDMA cellular radio system The invention relates to a data transmission method in a CDMA cellular radio system, which comprises in each cell at least one base station (10) communicating with mobile stations (11, 12) within its coverage area and in which system the base station adju... | 10/29/1996 |
| 5539925 | Radio system with power-saving feature for mobile stations, effective during transmission breaks of the associated fixed radio station A radio system including a plurality of fixed radio stations positioned apart from each other within an area covered by the radio system, and at least one mobile radio station signalling with one of the fixed radio stations at a time. The system has at le... | 07/23/1996 |
| 5519506 | Data communication system with automatic power control A communication system comprised of a transceiver (101) for transmitting and receiving data signals and a modulation/demodulation apparatus (102) to modulate the data signals from an accessory (109) for transmission and demodulate data signals after recep... | 05/21/1996 |
