ClassID:

220466

H03H7/255 - CPC Classification

Classification description:

Multiple-port networks comprising only passive electrical elements as network components; Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode the element being a PIN diode

Recent Application in this class:
#1
20230170871
2023-06-01

ATTENUATION CIRCUIT

#2
20220190457
2022-06-16

SUBSTRATE INTEGRATED WAVEGUIDE SIGNAL LEVEL CONTROL ELEMENT AND SIGNAL PROCESSING CIRCUITRY

#3
20210152208
2021-05-20

High-power hybrid SPDT switch

#4
20200126765
2020-04-23

Filter for impedance matching

#5
20170353203
2017-12-07

Delay circuit for a radio signal with filter circuitry to linearize a phase shift of an output signal relative to an input

#6
20170302254
2017-10-19

Voltage controlled equalizer network

#7
20160112032
2016-04-21

Reflective vector modulators

#8
20150333723
2015-11-19

PIN diode circuit and PIN diode attenuator

#9
20150108210
2015-04-23

RFID positioning and tracking apparatus and methods

#10
20120161843
2012-06-28

ATTENUATION CONTROL DEVICE, SIGNAL ATTENUATION DEVICE, AUTOMATIC GAIN CONTROL DEVICE, ATTENUATION CONTROL METHOD, AND AUTOMATIC GAIN CONTROL METHOD

#11
20100171576
2010-07-08

Temperature-compensated PIN-diode attenuator

#12
20080160948
2008-07-03

Broadcasting receiving apparatus and method thereof

#13
20070249311
2007-10-25

Variable attenuation of broadband differential signals using PIN diodes

#14
20070018750
2007-01-25

Variable matching circuit, variable resonance circuit, variable phase-shifting circuit and variable attenuation circuit each having variable-capacitance capacitor

#15
20070018744
2007-01-25

Variable matching circuit, variable resonance circuit, variable phase-shifting circuit and variable attenuation circuit each having variable-capacitance capacitor

#16
20060028291
2006-02-09

Variable attenuation circuit having large attenuation amount with small circuit size

#17
20050104680
2005-05-19

Variable matching circuit, variable resonance circuit, variable phase-shifting circuit and variable attenuation circuit each having variable-capacitance capacitor