ClassID:

220903

H03H11/481 - CPC Classification

Classification description:

Networks using active elements; One-port networks simulating reactances Simulating capacitances

Recent Application in this class:
#1
20250079972
2025-03-06

Compact Multifunctional Filter

#2
20240154606
2024-05-09

VCII based tunable positive and negative impedance simulator and impedance multiplier

#3
20210175874
2021-06-10

Mixer

#4
20190238118
2019-08-01

Active electronic emulation of a passive circuit component

#5
20190222208
2019-07-18

Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators

#6
20190158053
2019-05-23

Lumped element directional coupler having asymmetrical structure

#7
20190020330
2019-01-17

Variable capacitance circuit, oscillator circuit, and method of controlling variable capacitance circuit

#8
20180262170
2018-09-13

HIGH GAIN RF POWER AMPLIFIER WITH NEGATIVE CAPACITOR

#9
20180068800
2018-03-08

BST capacitor control

#10
20180054222
2018-02-22

Digital variable capacitance circuit, resonant circuit, amplification circuit, and transmitter

#11
20170317668
2017-11-02

Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators

#12
20170149415
2017-05-25

Floating immittance emulator

#13
20170149414
2017-05-25

Floating immittance emulator

#14
20170149413
2017-05-25

Floating immittance emulator

#15
20170063405
2017-03-02

Digital variable capacitance circuit, resonant circuit, amplification circuit, and transmitter

#16
20170063362
2017-03-02

Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators

#17
20160336907
2016-11-17

High gain RF power amplifier with negative capacitor

#18
20160134293
2016-05-12

Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators

#19
20150207517
2015-07-23

Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators

#20
20150137616
2015-05-21

BST capacitor control

#21
20140062621
2014-03-06

Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators

#22
20140021825
2014-01-23

Non-stationary multi-frequency vibration energy harvesting with tunable electrical impedance

#23
20130278329
2013-10-24

Analog loop filter systems, apparatus, and methods

#24
20120268206
2012-10-25

Negative capacitance synthesis for use with differential circuits

#25
20120139626
2012-06-07

Analog filter with adjustable filter frequency

#26
20120105135
2012-05-03

Integrated circuit capacitor

#27
20100301940
2010-12-02

Negative capacitance synthesis for use with differential circuits

#28
20090243720
2009-10-01

Amplifiers with negative capacitance circuits

#29
20090207063
2009-08-20

Variable passive components with high resolution value selection and control

#30
20080180294
2008-07-31

Variable passive components with high resolution value selection and control

#31
20080129424
2008-06-05

Negative capacitance synthesis

#32
20080088390
2008-04-17

Negative capacity circuit for high frequencies applications

#33
20070257747
2007-11-08

ACTIVE CAPACITOR

#34
20070247244
2007-10-25

Voltage-controlled oscillator

#35
20070194813
2007-08-23

Variable passive components with high resolution value selection and control

#36
20070188973
2007-08-16

ACTIVE CAPACITOR