ClassID:

221033

H03H19/002 - CPC Classification

Classification description:

Networks using time-varying elements, e.g. N-path filters N-path filters

Recent Application in this class:
#1
20250080162
2025-03-06

ENERGY EFFICIENT ULTRA-WIDEBAND IMPULSE RADIO SYSTEMS AND METHODS

#2
20250070761
2025-02-27

N-PATH FILTER

#3
20240154644
2024-05-09

Energy efficient ultra-wideband impulse radio systems and methods

#4
20220416765
2022-12-29

BULK ACOUSTIC WAVE RESONANCE DEVICE AND BULK ACOUSTIC WAVE FILTER

#5
20220337285
2022-10-20

Energy efficient ultra-wideband impulse radio systems and methods

#6
20220224314
2022-07-14

Adaptive capacitive filter circuit

#7
20210203379
2021-07-01

Energy efficient ultra-wideband impulse radio systems and methods

#8
20210143861
2021-05-13

Transceiver device

#9
20200358474
2020-11-12

Energy efficient ultra-wideband impulse radio systems and methods

#10
20200119766
2020-04-16

Energy efficient ultra-wideband impulse radio systems and methods

#11
20200099552
2020-03-26

Multipath filters

#12
20190326886
2019-10-24

Asymmetrical filtering to improve GNSS performance in presence of wideband interference

#13
20190215030
2019-07-11

Energy efficient ultra-wideband impulse radio systems and methods

#14
20190103645
2019-04-04

Bandstop filters with power-dependent stopband attenuation

#15
20180358992
2018-12-13

Single receiver intra-band non-contiguous carrier aggregation

#16
20180278441
2018-09-27

Multipath filters

#17
20180234082
2018-08-16

Systematic coupling balance scheme to enhance amplitude and phase matching for long-traveling multi-phase signals

#18
20170310349
2017-10-26

Notch filter

#19
20170250677
2017-08-31

Circuits and methods for transceiver self-interference cancellers

#20
20170222628
2017-08-03

N-path filters with flatter frequency response

#21
20170214391
2017-07-27

High rejection wideband bandpass N-path filter

#22
20170005385
2017-01-05

Switch topology for switching filters multiplexers

#23
20160380618
2016-12-29

Feedforward filter using translational filter

#24
20160322996
2016-11-03

Multiband filter for non-contiguous channel aggregation

#25
20160233908
2016-08-11

Radio-frequency-to-baseband function-reuse receiver with shared amplifiers for common-mode and differential-mode amplification

#26
20160233906
2016-08-11

Gain-boosted n-path passive-mixer-first receiver with a single mixing step

#27
20160216202
2016-07-28

Terahertz image sensor

#28
20150288392
2015-10-08

Tunable filter employing feedforward cancellation

#29
20150133068
2015-05-14

Tunable RF N-path filter

#30
20130336342
2013-12-19

Method and device for implementing tracking filters and RF front end of software defined radios

#31
20130335163
2013-12-19

Methods and apparatuses for implementing variable bandwidth RF tracking filters for reconfigurable multi-standard radios

#32
20130235959
2013-09-12

Filter

#33
20130036147
2013-02-07

INFINITE IMPULSE RESPONSE (IIR) FILTER AND FILTERING METHOD

#34
16782339
2020-07-14

Capacitance-to-voltage interface circuit

#35
16508049
2020-05-26

Frequency synthesizer and method of operating the same