ClassID:

221177

H03J3/185 - CPC Classification

Classification description:

Continuous tuning; Details; Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes

Recent Application in this class:
#1
20250150061
2025-05-08

ELECTRONIC DEVICE

#2
20240372533
2024-11-07

ELECTRONIC DEVICE

#3
20240339974
2024-10-10

VARACTOR TUNED INPUT TRAP

#4
20220311383
2022-09-29

Broadband wireless system for multi-modal imaging

#5
20190333912
2019-10-31

TUNABLE DEVICE HAVING A FET INTEGRATED WITH A BJT

#6
20190074325
2019-03-07

Printed reconfigurable electronic circuit

#7
20180241377
2018-08-23

Metal-semiconductor-metal two-dimensional electron gas varactor and method of manufacturing the same

#8
20180205367
2018-07-19

Tunable bandpass filter

#9
20180076796
2018-03-15

Mobile terminal and a network searching method for overcoming crystal aging issue

#10
20170359052
2017-12-14

Exponentially scaling switched capacitor

#11
20170222623
2017-08-03

Oscillation module, electronic apparatus, and vehicle

#12
20170221880
2017-08-03

Tunable device having a FET integrated with a BJT

#13
20160285417
2016-09-29

Boosting varactor capacitance ratio

#14
20160204765
2016-07-14

Forming a frequency control component with a target effective capacitance range

#15
20160204764
2016-07-14

Boosting varactor capacitance ratio

#16
20150318406
2015-11-05

Tunable device having a FET integrated with a BJT

#17
20120235731
2012-09-20

Continuous tunable LC resonator using a FET as a varactor

#18
20120154688
2012-06-21

TV tuner and the manufacturing method thereof

#19
20120151751
2012-06-21

TV tuner and the manufacturing method thereof

#20
20120144664
2012-06-14

TV tuner and the manufacturing method thereof

#21
20120135699
2012-05-31

SUPERHETERODYNE RECEIVER APPARATUS, SUPERHETERODYNE RECEIVING METHOD AND SEMICONDUCTOR INTEGRATED CIRCUIT FOR SUPERHETERODYNE RECEIVER APPARATUS

#22
20110134003
2011-06-09

Antenna device

#23
20110067083
2011-03-17

Fully integrated tuner architecture

#24
20110051311
2011-03-03

Tunable capacitive device with linearization technique employed therein

#25
20100246659
2010-09-30

Global instruction broadcasting for pulse-position modulated data transmission

#26
20100245012
2010-09-30

Multi-track integrated circuit inductor

#27
20100237884
2010-09-23

Integrated switchless programmable attenuator and low noise amplifier

#28
20100214026
2010-08-26

Millimeter-wave wideband voltage controlled oscillator

#29
20100176895
2010-07-15

Circuit comprising a voltage-dependent component and method for operating the circuit

#30
20100172060
2010-07-08

System and method for ESD protection

#31
20100134219
2010-06-03

Tuner circuit with loop through function

#32
20090310031
2009-12-17

Tuner input filter with electronically adjustable response for adapting to antenna characteristic

#33
20090278615
2009-11-12

VOLTAGE CONTROLLED OSCILLATOR INCLUDING INTER-TERMINAL CONNECTION AND TRAP CIRCUIT

#34
20090243702
2009-10-01

VARACTOR BANK SWITCHING BASED ON NEGATIVE CONTROL VOLTAGE GENERATION

#35
20090184749
2009-07-23

HIGH-RESOLUTION DIGITALLY CONTROLLED TUNING CIRCUIT ELEMENTS

#36
20090167467
2009-07-02

Double-tuning circuit of television tuner

#37
20090135306
2009-05-28

RECEIVER HAVING A TUNING CAPACITANCE

#38
20090134943
2009-05-28

Voltage controlled oscillator

#39
20090115525
2009-05-07

FREQUENCY TUNABLE LOW NOISE AMPLIFIER

#40
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2009-05-07

Design structure for an automatic driver/transmission line/receiver impedance matching circuitry

#41
20090109347
2009-04-30

Self-aligning resonator filter circuits

#42
20090102520
2009-04-23

Direct injection-locked frequency divider circuit with inductive-coupling feedback architecture

#43
20090079880
2009-03-26

Television Tuner

#44
20090066448
2009-03-12

Tuner and transformer formed by printed circuit board thereof

#45
20090027132
2009-01-29

Varactor device with reduced temperature dependence

#46
20080311872
2008-12-18

Broadcast Signal Receiving Apparatus

#47
20080290465
2008-11-27

Varactor element and low distortion varactor circuit arrangement

#48
20080284919
2008-11-20

Fully integrated tuner architecture

#49
20080252546
2008-10-16

Ultra wideband impulse radar

#50
20080197947
2008-08-21

Method to increase the tuneability of varactors

#51
20080136473
2008-06-12

Filter circuit arrangement

#52
20080129428
2008-06-05

Variable tuning circuit using variable capacitance diode and television tuner

#53
20080062335
2008-03-13

TV tuner and the manufacturing method thereof

#54
20080036037
2008-02-14

System and method for ESD protection

#55
20080030625
2008-02-07

3 Band Tv-Rf Input Circuit

#56
20080012654
2008-01-17

LINEARIZED VARIABLE-CAPACITANCE MODULE AND LC RESONANCE CIRCUIT USING THE SAME

#57
20070291877
2007-12-20

Digital signal receiver including wideband tunable antenna device

#58
20070279159
2007-12-06

Techniques to reduce circuit non-linear distortion

#59
20070164833
2007-07-19

Varactor diode alternative circuit

#60
20070120605
2007-05-31

Integrated switchless programmable attenuator and low noise amplifier

#61
20070077908
2007-04-05

Fully integrated tuner architecture

#62
20070057744
2007-03-15

Circuit arrangement

#63
20070057743
2007-03-15

Analog varactor

#64
20070030087
2007-02-08

Variable capacitance circuit arrangement

#65
20070030086
2007-02-08

Variable capacitance circuit arrangement

#66
20070013433
2007-01-18

Temperature compensation for internal inductor resistance

#67
20070007598
2007-01-11

System and method for ESD protection

#68
20060270374
2006-11-30

Self-aligning resonator filter circuit and wideband tuner circuit incorporating same

#69
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2006-11-30

Electronic components comprising adjustable-capacitance micro-electro-mechanical capacitors

#70
20060111064
2006-05-25

Radio-controlled timepiece

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2005-12-29

Wide-frequency-range television tuner

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System and method for linearizing a CMOS differential pair

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2005-10-27

Tuner input filter with electronically adjustable response for adapting to antenna characteristic

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System and method for ESD protection

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Integrated amplifier, electronic communication unit with integrated amplifier and method for operating the electronic communication unit with an integrated amplifier

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20050189999
2005-09-01

Integrated electronic circuit comprising a tunable resonator

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2005-09-01

Integrable amplitude-locked loop including an acoustic resonator

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2005-08-11

Integrable acoustic resonator and method for integrating such resonator

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20050162570
2005-07-28

Tuner input filter with electronically adjustable center frequency for adapting to antenna characteristic

#81
20050156700
2005-07-21

Integrated spiral inductor

#82
20050153677
2005-07-14

System and method for on-chip filter tuning

#83
20050134395
2005-06-23

Variable capacitance circuit arrangement

#84
20050128008
2005-06-16

Variable capacitance circuit arrangement

#85
20050113051
2005-05-26

Band switchable type tuning circuit of television signal

#86
20050107055
2005-05-19

Integrated switchless programmable attenuator and low noise amplifier

#87
20050099249
2005-05-12

Linear tuning circuit and tuning method thereof

#88
20050083154
2005-04-21

Receiver

#89
20050030108
2005-02-10

Integrated VCO having an improved tuning range over process and temperature variations

#90
20050028210
2005-02-03

High frequency signal receiver