Class 455/342 - Reflex type

Subclass of Class 455 - Telecommunications
Definition: Systems wherein the amplifier is of the reflex type wherein
No. of patents: 22
Last issue date: 02/22/2011

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Number	Title	Issue Date
7894792	Multicarrier and multirate CDMA system In a multi-carrier and multi-rate CDMA system, a base station transmits an index tag to a number of mobile stations. The index tag has a length indicating a transmission rate and all index tags are nodes in a code tree. In the code tree, mother nodes and their child...	02/22/2011
7415548	Communication network having a plurality of bridging nodes which transmits a polling message with backward learning technique to determine communication pathway An apparatus and a method for routing data in a radio data communication system having one or more host computers, one or more intermediate base stations, and one or more RF terminals organizes the intermediate base stations into an optimal spanning-tree network to ...	08/19/2008
7359718	Location determination and location tracking in wireless networks The present invention is directed to systems and methods which monitor a network environment, collect client information available online, and refine location determinations of individual clients based on observed information as well as online information. More part...	04/15/2008
7313403	Location positioning in wireless networks Disclosed are systems and methods which provide for location positioning in wireless networks using techniques which are adapted to provide reliable location determinations even in complex topological environments. Embodiments utilize multiple antenna patterns, such...	12/25/2007
7295527	Signal analyzer and method for displaying power levels of code channels A signal analyzer and a method for displaying code-channel power levels of CDMA (Code Division Multiple Access) signal that contains code changes having different spreading factors. The individual code-channel power level is measured from a received signal and displ...	11/13/2007
7280848	Active array antenna and system for beamforming An active antenna array for use in a beamforming antenna system. The antenna array includes multicarrier power amplifiers coupled to each antenna element wherein the outputs of the multicarrier power amplifiers are linearized. The antenna array communicates with a b...	10/09/2007
7272376	Look-up table implementation of WCDMA frame synchronization and cell group ID detection The present invention is directed towards a look-up table implementation of a WCDMA frame synchronization and a cell group ID detection (both of which are comprised within a “secondary search” process). The secondary search process receives a signal (which is fo...	09/18/2007
7266167	Reception apparatus A reception apparatus includes a plurality of antennas for receiving modulation signals of channels in the same frequency band, a received signal strength intensity estimation unit for estimating the reception received signal strength intensity of each reception sig...	09/04/2007
7251469	CDMA transmitting apparatus and CDMA transmitting method A control section (110) recognizes the type of data included in a transmission signal and outputs a control signal (C1) to an S/P conversion section (101) and a spreading control section (107). The S/P conversion section (101) appo...	07/31/2007
7149496	High-frequency module and radio communication apparatus A high-frequency module comprises: a diplexer connected to an antenna terminal for branching a plurality of transmission/reception systems different in pass band from one another; switch circuits for switching the transmission/reception systems to transmission syste...	12/12/2006
7149499	System for dynamically tracking the location of network devices to enable emergency services A system dynamically discovers the geographic location of entities of a computer network. A network entity is configured to include a location determination engine and a radio frequency (RF) receiver unit. A plurality of RF base stations are disposed in the area pro...	12/12/2006
7076201	Low cost VSAT MMIC transceiver with automatic power control A very small aperture terminal (VSAT) transceiver of a VSAT terminal has a ceramic substrate board with transmitter, receiver and local oscillator circuits, including microwave monolithic integrated circuit (MMIC) chips positioned on the ceramic substrate board. A m...	07/11/2006
7043270	Shared tower system for accomodating multiple service providers A system for sharing a cellular tower among multiple service providers comprises an antenna having an array of elements operable to define multiple, individual beams for signals in a communication frequency band and converter circuitry to convert the communication f...	05/09/2006
7039419	Cell phone position measurement system, position measurement method, and cell phone terminal In a cell phone position measurement system, a position measurement unit performs position measurement using a (GPS) satellite. A cell phone terminal notifies the position measurement unit of a (GPS) signal received from the satellite and receives a position informa...	05/02/2006
7003322	Architecture for digital shared antenna system to support existing base station hardware A legacy support block interfaces a shared antenna system with existing base station equipment of a service provider. Processing circuitry includes digital-to-analog converter circuitry, analog-to-digital converter circuitry, a local oscillator, and mixers. A shared...	02/21/2006
6972622	Optimization of error loops in distributed power amplifiers Several feed-forward RF power amplifiers configured for use in a distributed array, each having a main amplifier within a carrier null loop and an error amplifier within an error loop. Each carrier null loop includes a switch configured to selectively disable the ca...	12/06/2005
6906681	Multicarrier distributed active antenna A distributed active antenna includes a power module having a parallel combination of power amplifiers for driving each antenna element of the distributed active antenna. A predistortion linearization circuit may be coupled to each power module to linearize the outp...	06/14/2005
6895450	Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery An apparatus and a method for routing data in a radio data communication system having one or more host computers, one or more intermediate base stations, and one or more RF terminals organizes the intermediate base stations into an optimal spanning-tree network to ...	05/17/2005
6708038	Vehicle communications system A locomotive communication system for communicating between a locomotive and a fixed site. A communication system commissioning process is utilized to ensure that the locomotive phone number and locomotive road number are paired at the fixed site so that data downlo...	03/16/2004
6341214	Transmission power control method and transmission/reception apparatus Slot quality detector 121 detects reception level, and power controller inversely corresponding to reception quality 122 outputs power control information indicative of increasing transmission power in the case where the detected reception level is higher...	01/22/2002
6236849	System and method of determining a mobile station's position using directable beams A system and method for accurately determining the position of a mobile unit operating within a predefined service area is disclosed. Three embodiments of the present invention are disclosed which teach the use of one, two and three narrow beam base trans...	05/22/2001
4776035	Lockup detection and avoidance scheme for satellite communication network A mechanism for avoiding satellite transponder TWT saturation in an ALPC communication network detects the onset of a lockup condition through an avalanche detector. In response to avalanche detection, those links which have been identified as participati...	10/04/1988

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Class 455/342 - Reflex type