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Class Information
Number: 455/78
Name: Telecommunications > Transmitter and receiver at same station (e.g., transceiver) > With transmitter-receiver switching or interaction prevention
Description: Subject matter wherein the transmitter and receiver are made orthogonal by alternatively actuating the transmitter or receiver or by isolation circuitry.










Sub-classes under this class:

Class Number Class Name Patents
455/79 Automatic (e.g., voice operated) 143
455/83 Single antenna switched between transmitter and receiver 600


Patents under this class:

Patent Number Title Of Patent Date Issued
7953375 Communication module with dual systems and method for defining operating mode thereof May. 31, 2011
7945219 Frequency modulation circuit, transmitter, and communication apparatus May. 17, 2011
7945208 Radio frequency integrated circuit May. 17, 2011
7941103 Duplexer May. 10, 2011
7937064 Wireless transceiver and method of operating the same May. 3, 2011
7937063 Method and system for configuring a tower top low noise amplifier May. 3, 2011
7933562 RF transceiver with adjustable antenna assembly Apr. 26, 2011
7933561 Wireless communications circuitry with simultaneous receive capabilities for handheld electronic devices Apr. 26, 2011
7925223 Coil pair with carrier suppression Apr. 12, 2011
7925220 Method and system for matching an integrated FM system to an antenna utilizing on-chip measurement of reflected signals Apr. 12, 2011
7920833 Radio front end with resonant transmit/receive switch Apr. 5, 2011
7920832 Electrical device comprising analog frequency conversion circuitry and method for deriving characteristics thereof Apr. 5, 2011
7920828 Portable terminal, portable telephone and master slave portable telephone system using the portable terminal Apr. 5, 2011
7917115 Method and system for auto detecting and auto switching antennas in a multi-antenna FM transmit/receive system Mar. 29, 2011
7917096 Antenna interface circuits including multiple impedance matching networks that are respectively associated with multiple frequency bands and electronic devices incorporating the same Mar. 29, 2011
7904112 Simultaneous operation of wireless LAN and long-range wireless connections Mar. 8, 2011
7904031 High-frequency module for transmitting and receiving transmission-reception signals of at least three communication systems using a single antenna Mar. 8, 2011
7904029 Method and apparatus for high frequency wireless communication Mar. 8, 2011
7904027 Branching filter and multiplex transceiver Mar. 8, 2011
7899412 Switching element, antenna switch circuit and radio frequency module using the same Mar. 1, 2011
7899411 RF integrated circuit with on-chip transmit/receive switch and methods for use therewith Mar. 1, 2011
7899410 Adjustable antenna interface and applications thereof Mar. 1, 2011
7899409 Apparatus for controlling impedance Mar. 1, 2011
7890063 Systems, methods, and apparatuses for complementary metal oxide semiconductor (CMOS) antenna switches using body switching in multistacking structure Feb. 15, 2011
7885613 Multiband high-frequency circuit, multiband high-frequency circuit device and multiband communications apparatus comprising same Feb. 8, 2011
7885609 Multimedia mobile communication terminal system and method Feb. 8, 2011
7882543 Systems and methods for added authentication in distributed network delivered half-duplex communications Feb. 1, 2011
7881677 Transceiver system and method of using same Feb. 1, 2011
7877063 High-frequency amplifier, and transmission/reception system Jan. 25, 2011
7876175 Compact diplexer Jan. 25, 2011
7872547 Wireless communication device Jan. 18, 2011
7869771 Multi-band transformer for wireless transmitter Jan. 11, 2011
7869770 Apparatus, methods and articles of manufacture for a multi-band switch Jan. 11, 2011
7865167 Digital video broadcast-terrestrial (DVB-T) receiver interoperable with a GSM transmitter in a non-interfering manner Jan. 4, 2011
7865150 Dual frequency band wireless LAN Jan. 4, 2011
7865149 On chip MOS transmit / receive switch Jan. 4, 2011
7860474 Circuits and methods for controlling switching noise in switched-mode circuits Dec. 28, 2010
7855984 Wireless communication device Dec. 21, 2010
7853233 Zero if down converter with even order harmonic suppression Dec. 14, 2010
7848713 Common mode signal attenuation for a differential duplexer Dec. 7, 2010
7848712 CMOS RF switch for high-performance radio systems Dec. 7, 2010
7848711 Radio communication apparatus and radio communication method Dec. 7, 2010
7844230 Integrated multimode radio and components thereof Nov. 30, 2010
7843280 Systems, methods, and apparatuses for high power complementary metal oxide semiconductor (CMOS) antenna switches using body switching and substrate junction diode controlling in multistacking Nov. 30, 2010
7840194 Transmitting circuit, receiving circuit, interface switching module and interface switching method for SATA and SAS interfaces Nov. 23, 2010
7839217 High-frequency amplifier, high-frequency module, and mobile wireless apparatus using the same Nov. 23, 2010
7835707 Multi-band antenna unit of mobile terminal Nov. 16, 2010
7835706 Local oscillator (LO) port linearization for communication system with ratiometric transmit path architecture Nov. 16, 2010
7835705 Integrated bidirectional junction engineered dual insulator transceiver Nov. 16, 2010
7831214 Low power linear transmit/receive (T/R) module Nov. 9, 2010











 
 
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