ClassID:

221101

H03H2210/026 - CPC Classification

Classification description:

Indexing scheme relating to details of tunable filters; Variable filter component Inductor

Recent Application in this class:
#1
20260121619
2026-04-30

CIRCUIT OF DRIFT DETECTION IN ELECTRIC SIGNAL FILTERS, CORRESPONDING DEVICE AND METHOD

#2
20250260390
2025-08-14

RADIO FREQUENCY MODULE WITH TUNABLE ACOUSTIC FILTER PASSBAND

#3
20240029933
2024-01-25

Adjustable inductor and method of using the same

#4
20230361745
2023-11-09

MULTI-TUNE FILTER AND CONTROL THEREFOR

#5
20230079125
2023-03-16

Adjustable inductor and method of using the same

#6
20220029461
2022-01-27

Power matching method and apparatus for wireless charging, and wireless charging apparatus

#7
20200403595
2020-12-24

Adjustable inductor and method of using the same

#8
20200144992
2020-05-07

Radio-frequency filter, multiplexer, radio-frequency front-end circuit, and communication device

#9
20200136612
2020-04-30

Superconducting microwave switch

#10
20190363698
2019-11-28

Radio-frequency filter, radio-frequency front-end circuit, and communication device

#11
20190222199
2019-07-18

Elastic wave filter device, radio-frequency front-end circuit, and communication apparatus

#12
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

#13
20190181907
2019-06-13

System and method for a radio frequency filter

#14
20190181839
2019-06-13

System and method for a radio frequency filter

#15
20190181837
2019-06-13

System and method for a radio frequency filter

#16
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#17
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#18
20190181832
2019-06-13

System and method for a radio frequency filter

#19
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

#20
20190181825
2019-06-13

System and method for a radio frequency filter

#21
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

#22
20180198437
2018-07-12

Variable frequency filter and high-frequency front end circuit

#23
20170126205
2017-05-04

Frequency tunable filter with voltage stressed relaxed switch, and associated apparatus

#24
20170070205
2017-03-09

All-acoustic duplexers using directional couplers

#25
20150214985
2015-07-30

Tunable radio frequency (RF) front-end architecture using filter having adjustable inductance and capacitance

#26
20150048896
2015-02-19

System and method for tuning an RF circuit

#27
20140184356
2014-07-03

Semiconductor device and adjustment method of filter circuit

#28
20110163824
2011-07-07

Electronic circuit and electronic device

#29
17189057
2022-04-19

Oscillating signal generator and filter circuit

#30
16940679
2023-11-28

High-bandwidth signal driver/receiver

#31
16434596
2020-03-31

Non-reciprocal band pass filter

#32
16009329
2019-04-23

IC structure with adjustable inductance and capacitance and related method

#33
15190072
2017-07-18

Tunable multi-path filter