ClassID:

220492

H03H7/487 - CPC Classification

Classification description:

Multiple-port networks comprising only passive electrical elements as network components; Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source particularly adapted as coupling circuit between transmitters and antennas

Recent Application in this class:
#1
20240080063
2024-03-07

Duplexer measurement and tuning systems

#2
20240080008
2024-03-07

Duplexer measurement and tuning systems

#3
20230352215
2023-11-02

Cable Module

#4
20230231532
2023-07-20

COMBINER/SPLITTER

#5
20220060161
2022-02-24

Combining power amplifers at milimeter wave frequencies

#6
20210320626
2021-10-14

Quadrature combined Doherty amplifiers

#7
20200382070
2020-12-03

Quadrature combined doherty amplifiers

#8
20200251801
2020-08-06

Compact low loss signal coupler

#9
20200186111
2020-06-11

Combing power amplifiers at millimeter wave frequencies

#10
20200153112
2020-05-14

Front-end chip for dual-pole antenna array

#11
20190372236
2019-12-05

Distributed transceiver signal switching circuit

#12
20190229425
2019-07-25

Combining power amplifiers at millimeter wave frequencies

#13
20190198964
2019-06-27

Compact low loss signal coupler

#14
20190165739
2019-05-30

Quadrature combined doherty amplifiers

#15
20190089401
2019-03-21

Distributed transceiver signal switching circuit

#16
20190089400
2019-03-21

Method to build asymmetrical transmit/receive switch with 90 degrees impedance transformation section

#17
20190089399
2019-03-21

Fast memory access control for phase and gain

#18
20190089308
2019-03-21

Wideband vector modulator and phase shifter

#19
20190089064
2019-03-21

Symmetrical front-end chip for dual-pole antenna array

#20
20190089048
2019-03-21

Radio-frequency signal shielding and channel isolation

#21
20180331411
2018-11-15

Compact low loss signal coupler

#22
20180294540
2018-10-11

Directional coupler

#23
20180212296
2018-07-26

RF transceiver and RF transmitter of the same

#24
20180167040
2018-06-14

Low-noise amplifier with integrated wideband transformer-based power splitter

#25
20180069316
2018-03-08

Combining power amplifiers at millimeter wave frequencies

#26
20120293233
2012-11-22

Broadband analog radio-frequency integrator

#27
20080158090
2008-07-03

Integrated coupler

#28
20050073373
2005-04-07

Integrated coupler