ClassID:

223400

H04B1/405 - CPC Classification

Classification description:

Details of transmission systems, not covered by a single one of groups - ; Details of transmission systems not characterised by the medium used for transmission; Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving; Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with multiple discrete channels

Recent Application in this class:
#1
20260074736
2026-03-12

TRANSMIT-RECEIVE (TR) SWITCH ARCHITECTURE FOR ELECTROSTATIC DISCHARGE (ESD) PROTECTION

#2
20260066513
2026-03-05

ADJUSTABLE GAIN SLOPE COMPENSATOR

#3
20260005717
2026-01-01

COMMUNICATION APPARATUS THAT COMMUNICATES WITH TARGET APPARATUS AND METHOD USED IN COMMUNICATION APPARATUS

#4
20250373280
2025-12-04

Radio Frequency Apparatus and Control Signal Transmission Method

#5
20250219675
2025-07-03

TRANSCEIVER INCLUDING BIDIRECTIONAL SWITCHING NETWORK CIRCUIT

#6
20250183936
2025-06-05

Control of Conducted Emissions Among Heterogenous Transceivers in Controller Area Networks

#7
20250023597
2025-01-16

COUPLING CANCELLATION PORTS

#8
20240322854
2024-09-26

PASSIVE RADIO SIGNAL CONDITIONING

#9
20240154637
2024-05-09

ONBOARD TRANSMISSION SYSTEM

#10
20240039651
2024-02-01

RADIO TUNER SYSTEM USING METADATA AND METHOD THEREOF

#11
20240030961
2024-01-25

MULTI-CHANNEL TRANSCEIVER

#12
20230361807
2023-11-09

SIMULTANEOUS TRANSMIT AND RECEIVE THROUGH ACTIVE CANCELLATION

#13
20230353185
2023-11-02

Control of conducted emissions among heterogenous transceivers in controller area networks

#14
20230299811
2023-09-21

RF filter for use at 5G frequencies

#15
20230091253
2023-03-23

Doherty transceiver interface

#16
20230083160
2023-03-16

Cross-communication between wireless devices with multiple antennas

#17
20230060161
2023-03-02

ELECTRONIC DEVICE FOR PERFORMING WIRELESS COMMUNICATION AND OPERATION METHOD THEREOF

#18
20230040859
2023-02-09

Method and circuit for controlling channel mismatch compensation

#19
20220255578
2022-08-11

Radio frequency module and communication device

#20
20220166450
2022-05-26

Cross-communication between wireless devices with multiple antennas

#21
20220132352
2022-04-28

API driven remote radiofrequency front end device and methods of use thereof

#22
20220052743
2022-02-17

Electronic device and control method for changing antenna setting according to bandwidth of signal

#23
20220052713
2022-02-17

Radio-frequency module and communication apparatus

#24
20210266031
2021-08-26

Radio Frequency Integrated Module Management System

#25
20210258035
2021-08-19

Full duplex transceiver amplifier assembly, communication system including same, and associated method

#26
20210242895
2021-08-05

Apparatuses, methods, and computer programs for a mobile transceiver and for a network entity, mobile transceiver, network entity, mobile communication system

#27
20210143861
2021-05-13

Transceiver device

#28
20210091818
2021-03-25

RF filter for use at 5G frequencies

#29
20200106470
2020-04-02

Radio frequency front-end circuitry intermediate driver systems and methods

#30
20200091954
2020-03-19

Discrete spectrum transceiver

#31
20200091868
2020-03-19

Method and apparatus for calibration of a band-pass filter and squelch detector in a frequency-shift keying transceiver

#32
20190273528
2019-09-05

Radio-frequency switch and communication device

#33
20190140670
2019-05-09

Front end module and communication apparatus

#34
20190068166
2019-02-28

Phase shifter module, multiplexer/demultiplexer, and communication apparatus

#35
20180026690
2018-01-25

Transmission control device, radiocommunication system, and calibration method

#36
20170331513
2017-11-16

Permutation group-based channel rendezvous method for multi-antenna cognitive radio network

#37
20170054485
2017-02-23

FILTER MODULE SUPPORTING CARRIER AGGREGATION AND ELECTRONIC DEVICE INCLUDING THE SAME

#38
20160241298
2016-08-18

Apparatus and method for extending feature selection in a communication system

#39
20150236847
2015-08-20

Signal-generating circuit and wireless communication device

#40
20150110161
2015-04-23

Mixer unit

#41
20140378073
2014-12-25

System and method for correcting integral nonlinearity in an oscillator system

#42
20130331040
2013-12-12

System and method for correcting integral nonlinearity in an oscillator system

#43
20130045704
2013-02-21

Receiver

#44
20120252394
2012-10-04

Rapid autonomous scan in FM or other receivers with parallel search strategy, and circuits, processes and systems

#45
20120207252
2012-08-16

Frequency correction of a programmable frequency oscillator by propagation delay compensation

#46
20120170682
2012-07-05

Dual channel transmission

#47
20120015610
2012-01-19

Frequency synthesizer

#48
20110228713
2011-09-22

Dual band WLAN MIMO high isolation antenna structure

#49
20100173598
2010-07-08

METHOD AND SYSTEM FOR FILTER CALIBRATION USING FRACTIONAL-N FREQUENCY SYNTHESIZED SIGNALS

#50
20080233998
2008-09-25

Wide bandwidth transceiver

#51
20080036636
2008-02-14

Reduced noise radio frequency integrated circuit

#52
20070207760
2007-09-06

Method and system for filter calibration using fractional-N frequency synthesized signals

#53
20070111673
2007-05-17

Radio apparatus

#54
20060276222
2006-12-07

Wide bandwidth transceiver

#55
20060223453
2006-10-05

Frequency shifted wireless local area network system

#56
20060194614
2006-08-31

Wireless computer network including a mobile appliance containing a single chip transceiver

#57
20060135086
2006-06-22

Wireless transceiving apparatus for variability of signal processing band

#58
20060035599
2006-02-16

Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer

#59
20060035598
2006-02-16

Frequency synthesizer and multi-band radio apparatus using said frequency synthesizer

#60
20050237924
2005-10-27

Wireless computer network including a mobile appliance containing a single chip transceiver

#61
20050176377
2005-08-11

Radio communication method and system for performing communication among a plurality of radio communication terminals

#62
20050136879
2005-06-23

Radio frequency integrated circuit having reduced receiver noise levels

#63
20050042994
2005-02-24

Radio apparatus

#64
20050014477
2005-01-20

Wireless speech and data transmission

#65
20050014466
2005-01-20

Radio frequency transceiver

#66
17303265
2022-04-19

Receiver-transmitter impedance co-matching method using bondwires

#67
16825235
2021-01-12

UWB spread spectrum power spatial combining antenna array

#68
16459221
2020-10-20

System for calibration of a global navigation satellite system simulator as well as method of calibrating a global navigation satellite system simulator

#69
16427496
2020-08-18

Systems and methods for extended spectrum amplifiers

#70
16146064
2020-01-21

Radio frequency front-end circuitry amplifier gain calibration systems and methods

#71
16145614
2019-11-05

Radio frequency front-end circuitry intermediate driver systems and methods