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Class Information
Number: 455/73
Name: Telecommunications > Transmitter and receiver at same station (e.g., transceiver)
Description: Subject matter having both a signal transmitter and a signal receiver at a common geographic location for transmission and reception of separate signals.


Sub-classes under this class:

Class Number Class Name Patents
455/74 Convertible (e.g., to diverse art device) 145
455/90.1 Having particular application (e.g., avalanche victim assistance) of a transceiver 377
455/90.2 Having particular configuration (e.g., c.b., or walkie-talkie) of a transceiver 209
455/90.3 Having particular housing or support of a transceiver 844
455/550.1 Radiotelephone equipment detail 1,765
455/88 Transceiver controlling a separate transceiver or receiver 309
455/84 With a common signal processing stage 197
455/75 With frequency stabilization (e.g., automatic frequency control) 139
455/78 With transmitter-receiver switching or interaction prevention 601
455/77 With tuning 176


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
7620372 Communication device, method for controlling communication, game machine, and game system Nov. 17, 2009
7620373 Apparatus and method for calibration of gain and/or phase imbalance and/or DC offset in a communication system Nov. 17, 2009
7620371 Transmitter signal strength indicator Nov. 17, 2009
7613429 NRD guide transceiver, download system using the same, and download memory used for the same Nov. 3, 2009
7610500 Link power saving state Oct. 27, 2009
7610022 Filter circuit with negative transconductance Oct. 27, 2009
7610065 Method and apparatus for antenna selection in a diversity antenna system for communicating with implantable medical device Oct. 27, 2009
7606536 Temporal co-site interference reduction Oct. 20, 2009
7606233 Method for micro-controller and DSP based data communication within a transceiver Oct. 20, 2009
7599427 Micro range radio frequency (RF) communications link Oct. 6, 2009
7599666 Communication system and method using transmit diversity Oct. 6, 2009
7599667 Wireless communication apparatus and semiconductor device Oct. 6, 2009
7599679 Remotely configurable wireless intercom system for an establishment Oct. 6, 2009
7596356 On-chip baseband-to-RF interface and applications thereof Sep. 29, 2009
7593696 Tunable radio frequency filter Sep. 22, 2009
7593695 RF transceiver incorporating dual-use PLL frequency synthesizer Sep. 22, 2009
7592898 Wireless communication systems, interrogators and methods of communicating within a wireless communication system Sep. 22, 2009
7590201 Method for detecting signal in multiple input multiple output system and receiving device of multiple input multiple output system Sep. 15, 2009
7590429 RF transceiver configuring for a MIMO communication Sep. 15, 2009
7587223 Terminal for mobile phone and method for controlling the synchronism of terminal for mobile phone Sep. 8, 2009
7583989 Sliding-type hinge Sep. 1, 2009
7583949 Radio wave receiving device and radio wave receiving circuit Sep. 1, 2009
7583935 Method and system for mitigating co-channel interference Sep. 1, 2009
7583934 Transceiver apparatus for use in a multi-frequency communication system, base station of a multi-frequency communication system, method for use of the transceiver apparatus, method of transcei Sep. 1, 2009
7583650 Frequency multiplexed architecture Sep. 1, 2009
7580683 Radio transceiver on a chip Aug. 25, 2009
7580679 Communication apparatus changing measuring methods of communication quality Aug. 25, 2009
7577404 High-frequency device, high-frequency module and communications device comprising them Aug. 18, 2009
7573948 Radio transmitter incorporating digital modulator and circuitry to accommodate baseband processor with analog interface Aug. 11, 2009
7574220 Method and apparatus for alerting a target that it is subject to sensing and restricting access to sensed content associated with the target Aug. 11, 2009
7567610 Frequency conversion circuit, radio frequency wave receiver, and radio frequency transceiver Jul. 28, 2009
7565171 Radio base system, transmission directional control method, and transmission directional control program Jul. 21, 2009
7561852 Integrated multimode radio and components thereof Jul. 14, 2009
7561851 System and method for calibrating modules of a wide-range transceiver Jul. 14, 2009
7558536 Antenna/transceiver configuration in a traffic sensor Jul. 7, 2009
7558583 System and methods of radio interference based localization in sensor networks Jul. 7, 2009
7554407 Multi-mode power amplifier with low gain variation over temperature Jun. 30, 2009
7555062 Method and device for delay-sensitive measurement of a signal Jun. 30, 2009
7551900 Apparatus and method for transmitting call holding message in mobile communication terminal Jun. 23, 2009
7551899 Intelligent dialing scheme for telephony application Jun. 23, 2009
7551891 Method for detecting UWB pulse sequences without local pulse generation Jun. 23, 2009
7548593 Baseband compensation of an offset phase locked loop Jun. 16, 2009
7545855 Phase shifter and current mode mixer Jun. 9, 2009
7545856 Current mode phase shifter, mixer and amplifier Jun. 9, 2009
7546089 Switchable directional coupler for use with RF devices Jun. 9, 2009
7542734 Data transmission scheme in wireless communication system Jun. 2, 2009
7542729 Communication system Jun. 2, 2009
7542728 Dual-function wireless data terminal Jun. 2, 2009
7542727 Method for receiving a signal on a single multi-band antenna Jun. 2, 2009
7539242 Semiconductor integrated circuit device and method of testing the same May. 26, 2009

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