Modification of automatic frequency control sensitivity or linearising automatic frequency control operation

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CPC
H03J7/10

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Parent Industries

HELECTRICITY H03Electronic circuits H03JTUNING RESONANT CIRCUITS SELECTING RESONANT CIRCUITS H03J7/00Automatic frequency control Automatic scanning over a band of frequencies

Current Industry

H03J7/10Modification of automatic frequency control sensitivity or linearising automatic frequency control operation

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Patents Grantslast 30 patents

Information Patent Grant
System and method for a tunable capacitance circuit
- Patent number 9,876,480
- Issue date Jan 23, 2018
- Infineon Technologies AG
- Winfried Bakalski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wireless device with a non-compensated crystal oscillator
- Patent number 8,014,476
- Issue date Sep 6, 2011
- Qualcomm, Incorporated
- Daniel F. Filipovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method to increase the tuneability of varactors
- Patent number 7,936,235
- Issue date May 3, 2011
- Telefonaktiebolaget L M Ericsson (Publ)
- Spartak Gevorgyan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage controlled oscillator
- Patent number 7,847,640
- Issue date Dec 7, 2010
- Epson Toyocom Corporation
- Atsushi Kiyohara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency tuning circuits and voltage-controlled oscillator includi...
- Patent number 7,449,970
- Issue date Nov 11, 2008
- Samsung Electronics, Co., Ltd.
- Jin-Hyuck Yu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog varactor
- Patent number 7,394,329
- Issue date Jul 1, 2008
- Silicon Laboratories Inc.
- Peter Vancorenland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
VCO gain tuning using voltage measurements and frequency iteration
- Patent number 7,148,760
- Issue date Dec 12, 2006
- Nokia Corporation
- Paavo Väänänen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
VCO center frequency tuning and limiting gain variation
- Patent number 7,142,062
- Issue date Nov 28, 2006
- Nokia Corporation
- Paavo Väänänen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic frequency control using split-band signal strength measur...
- Patent number 5,487,186
- Issue date Jan 23, 1996
- Hitachi America, Ltd.
- Carl G. Scarpa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage superposing circuit for an electronic tuner
- Patent number 4,891,708
- Issue date Jan 2, 1990
- Kabushiki Kaisha Toshiba
- Mitsuhiro Baba
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic IF tangent lock control circuit
- Patent number 4,872,207
- Issue date Oct 3, 1989
- Motorola, Inc.
- Lawrence M. Ecklund
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic IF tangent lock control circuit
- Patent number 4,782,532
- Issue date Nov 1, 1988
- Motorola, Inc.
- Lawrence M. Ecklund
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiver provided with an automatic frequency control loop
- Patent number 4,736,458
- Issue date Apr 5, 1988
- U.S. Philips Corporation
- Anthonius J. J. C. Lommers
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Selectively coupled synthesizer for tuner of TV receiver
- Patent number 4,128,849
- Issue date Dec 5, 1978
- Admiral Corporation
- Dennis W. Rhee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
AFC waveshaping circuit
- Patent number 4,125,863
- Issue date Nov 14, 1978
- GTE Sylvania Incorporated
- Rangaswamy Arumugham
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive wideband AFC system
- Patent number 4,122,493
- Issue date Oct 24, 1978
- GTE Sylvania Incorporated
- Rangaswamy Arumugham
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combination phase detector voltage doubler and low-pass filter for...
- Patent number 4,122,404
- Issue date Oct 24, 1978
- Rockwell International Corporation
- James L. Fuhrman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tuning voltage circuit
- Patent number 4,027,252
- Issue date May 31, 1977
- GTE Sylvania Incorporated
- Rangaswamy Arumugham
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
AFC circuit
- Patent number 4,005,256
- Issue date Jan 25, 1977
- GTE Sylvania Incorporated
- Rangaswamy Arumugham
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic frequency control of voltage variable capacitor tuned rec...
- Patent number 3,991,371
- Issue date Nov 9, 1976
- Aeronutronic Ford Corporation
- Rufus F. Shelby
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Measurement bandwidth enhancement in phase lock loops
- Patent number 3,961,255
- Issue date Jun 1, 1976
- Hekimian Laboratories, Inc.
- Norris C. Hekimian
- G01 - MEASURING TESTING
Information Patent Grant
Local oscillation circuit for tuner having reduced inter-channel de...
- Patent number 3,959,728
- Issue date May 25, 1976
- Hitachi, Ltd.
- Kazuhiko Yamazaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
AFC tuning circuit
- Patent number 3,947,772
- Issue date Mar 30, 1976
- Alps Electric Co., Ltd.
- Shoji Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
AFC circuit with improved sensitivity
- Patent number 3,940,714
- Issue date Feb 24, 1976
- Alps Electric Co., Ltd.
- Shoji Sato
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic frequency control device for television receiver
- Patent number 3,940,554
- Issue date Feb 24, 1976
- Matsushita Electric Industrial Co., Ltd.
- Mitsuya Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3928808
- Patent number 3,928,808
- Issue date Dec 23, 1975
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3914696
- Patent number 3,914,696
- Issue date Oct 21, 1975
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3906351
- Patent number 3,906,351
- Issue date Sep 16, 1975
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3869674
- Patent number 3,869,674
- Issue date Mar 4, 1975
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3868609
- Patent number 3,868,609
- Issue date Feb 25, 1975
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
System and Method for a Tunable Capacitance Circuit
- Publication number 20150109072
- Publication date Apr 23, 2015
- INFINEON TECHNOLOGIES AG
- Winfried Bakalski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Voltage Control Oscillator
- Publication number 20090134943
- Publication date May 28, 2009
- Atsushi Kiyohara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method to Increase the Tuneability of Varactors
- Publication number 20080197947
- Publication date Aug 21, 2008
- Spartak Gevorgyan
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Wireless device with a non-compensated crystal oscillator
- Publication number 20070104298
- Publication date May 10, 2007
- Daniel F. Filipovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Analog varactor
- Publication number 20070057743
- Publication date Mar 15, 2007
- Peter Vancorenland
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Frequency tuning circuits and voltage-controlled oscillator includi...
- Publication number 20070040625
- Publication date Feb 22, 2007
- Jin-Hyuck Yu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VCO center frequency tuning and limiting gain variation
- Publication number 20060145769
- Publication date Jul 6, 2006
- Nokia Corporation
- Paavo Vaananen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VCO gain tuning using voltage measurements and frequency iteration
- Publication number 20060145767
- Publication date Jul 6, 2006
- Nokia Corporation
- Paavo Vaananen
- H03 - BASIC ELECTRONIC CIRCUITRY

Modification of automatic frequency control sensitivity or linearising automatic frequency control operation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for a tunable capacitance circuit

Wireless device with a non-compensated crystal oscillator

Method to increase the tuneability of varactors

Voltage controlled oscillator

Frequency tuning circuits and voltage-controlled oscillator includi...

Analog varactor

VCO gain tuning using voltage measurements and frequency iteration

VCO center frequency tuning and limiting gain variation

Automatic frequency control using split-band signal strength measur...

Voltage superposing circuit for an electronic tuner

Automatic IF tangent lock control circuit

Automatic IF tangent lock control circuit

Receiver provided with an automatic frequency control loop

Selectively coupled synthesizer for tuner of TV receiver

AFC waveshaping circuit

Adaptive wideband AFC system

Combination phase detector voltage doubler and low-pass filter for...

Tuning voltage circuit

AFC circuit

Automatic frequency control of voltage variable capacitor tuned rec...

Measurement bandwidth enhancement in phase lock loops

Local oscillation circuit for tuner having reduced inter-channel de...

AFC tuning circuit

AFC circuit with improved sensitivity

Automatic frequency control device for television receiver

3928808

3914696

3906351

3869674

3868609

Patents Applicationslast 30 patents

System and Method for a Tunable Capacitance Circuit

Voltage Control Oscillator

Method to Increase the Tuneability of Varactors

Wireless device with a non-compensated crystal oscillator

Analog varactor

Frequency tuning circuits and voltage-controlled oscillator includi...

VCO center frequency tuning and limiting gain variation

VCO gain tuning using voltage measurements and frequency iteration