in which an automatic frequency control circuit is brought into action after the scanning action has been stopped

Industry

CPC
H03J7/26

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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

H03J7/26in which an automatic frequency control circuit is brought into action after the scanning action has been stopped

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Digital coherent receiving apparatus
- Patent number 9,444,554
- Issue date Sep 13, 2016
- Fujitsu Limited
- Nobukazu Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital coherent receiving apparatus
- Patent number 8,649,689
- Issue date Feb 11, 2014
- Fujitsu Limited
- Nobukazu Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic frequency control apparatus and method therefor
- Patent number 5,500,878
- Issue date Mar 19, 1996
- NEC Corporation
- Motoya Iwasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tuning detection circuit for a high-frequency receiver, and receive...
- Patent number 5,430,891
- Issue date Jul 4, 1995
- U.S. Philips Corporation
- Kayveh Kianush
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radio receiver having frequency sweep control apparatus
- Patent number 5,335,348
- Issue date Aug 2, 1994
- NEC Corporation
- Shinichi Kono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal-strength-peak detecting circuit for automatic tuning circuit
- Patent number 5,280,641
- Issue date Jan 18, 1994
- Sanyo Electric Co., Ltd.
- Hisao Ishii
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic optical frequency acquisition and tracking apparatus for...
- Patent number 5,046,140
- Issue date Sep 3, 1991
- NEC Corporation
- Shuntaro Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical apparatus for pulling an intermediate frequency in a predet...
- Patent number 4,912,527
- Issue date Mar 27, 1990
- NEC Corporation
- Shuntaro Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Television tuning system with provisions for quickly locating activ...
- Patent number 4,763,195
- Issue date Aug 9, 1988
- RCA Licensing Corporation
- Juri Tults
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delay circuit
- Patent number 4,539,712
- Issue date Sep 3, 1985
- Fujitsu-Ten, Ltd.
- Tatsuo Ito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic sweep digital tuning circuit
- Patent number 4,380,825
- Issue date Apr 19, 1983
- Mitsubishi Denki Kabushiki Kaisha
- Hideharu Takebe
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Variable ramp speed TV tuning system for rapid channel tuning
- Patent number 4,374,437
- Issue date Feb 15, 1983
- Zenith Radio Corporation
- Richard W. Citta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Manual channel selection apparatus
- Patent number 4,348,770
- Issue date Sep 7, 1982
- Fujitsu-Ten, Ltd.
- Tatsuo Ito
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dual mode automatic fine tuning
- Patent number 4,300,165
- Issue date Nov 10, 1981
- General Electric Company
- Seung K. Kim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Search type tuning system
- Patent number 4,264,977
- Issue date Apr 28, 1981
- RCA Corporation
- Michael S. Deiss
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
FM-Receiver comprising a search tuning system
- Patent number 4,253,195
- Issue date Feb 24, 1981
- U.S. Philips Corporation
- Arnoldus Garskamp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Low cost memory station
- Patent number 4,159,487
- Issue date Jun 26, 1979
- Texas Instruments Deutschland GmbH
- Karl Elshuber
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radio receiver
- Patent number 4,053,838
- Issue date Oct 11, 1977
- Fujitsu Ten Limited
- Yuji Amaya
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Memory circuit for tuning of an electronically tuned receiver to a...
- Patent number 4,011,514
- Issue date Mar 8, 1977
- UNITECH Przedsiebiorstwo Techniczno-Hand-Lowe
- Jerzy Wroblewski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Superheterodyne receiver with a digitally adjustable tuning arrange...
- Patent number 4,009,438
- Issue date Feb 22, 1977
- International Standard Electric Corporation
- Lothar Grohmann
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic tuning apparatus
- Patent number 4,008,437
- Issue date Feb 15, 1977
- Sanyo Electric Co., Ltd.
- Yoshiaki Sakauchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Search type tuning device
- Patent number 4,004,233
- Issue date Jan 18, 1977
- Matsushita Electric Industrial Co., Ltd.
- Yoichi Sakamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radio receiver
- Patent number 3,987,399
- Issue date Oct 19, 1976
- Pioneer Electronic Corporation
- Susumu Yokoyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic tuning apparatus
- Patent number 3,986,154
- Issue date Oct 12, 1976
- Sanyo Electric Co., Ltd.
- Yasuhiro Yamada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Non-proportionate AFC system
- Patent number 3,980,968
- Issue date Sep 14, 1976
- Zenith Radio Corporation
- John Y. Ma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Station finder circuit for two directions
- Patent number 3,979,609
- Issue date Sep 7, 1976
- U.S. Philips Corporation
- Udo Schillhof
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiver tuning circuit with automatic search and AFC using common...
- Patent number 3,968,441
- Issue date Jul 6, 1976
- U.S. Philips Corporation
- Arnoldus Garskamp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiver tuning circuit
- Patent number 3,968,442
- Issue date Jul 6, 1976
- U.S. Philips Corporation
- Arnoldus Garskamp
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of amplitude-frequency conversion and a converter which oper...
- Patent number 3,968,447
- Issue date Jul 6, 1976
- Commissariat a l'Energie Atomique
- Bernard Baylac
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic tuning apparatus
- Patent number 3,967,057
- Issue date Jun 29, 1976
- Sanyo Electric Co.
- Kazuyoshi Tsukamoto
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
DIGITAL COHERENT RECEIVING APPARATUS
- Publication number 20140029959
- Publication date Jan 30, 2014
- Fujitsu Limited
- Nobukazu KOIZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL COHERENT RECEIVING APPARATUS
- Publication number 20100329697
- Publication date Dec 30, 2010
- FUJITSU LIMITED
- Nobukazu KOIZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

in which an automatic frequency control circuit is brought into action after the scanning action has been stopped

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Digital coherent receiving apparatus

Digital coherent receiving apparatus

Automatic frequency control apparatus and method therefor

Tuning detection circuit for a high-frequency receiver, and receive...

Radio receiver having frequency sweep control apparatus

Signal-strength-peak detecting circuit for automatic tuning circuit

Automatic optical frequency acquisition and tracking apparatus for...

Optical apparatus for pulling an intermediate frequency in a predet...

Television tuning system with provisions for quickly locating activ...

Delay circuit

Automatic sweep digital tuning circuit

Variable ramp speed TV tuning system for rapid channel tuning

Manual channel selection apparatus

Dual mode automatic fine tuning

Search type tuning system

FM-Receiver comprising a search tuning system

Low cost memory station

Radio receiver

Memory circuit for tuning of an electronically tuned receiver to a...

Superheterodyne receiver with a digitally adjustable tuning arrange...

Automatic tuning apparatus

Search type tuning device

Radio receiver

Automatic tuning apparatus

Non-proportionate AFC system

Station finder circuit for two directions

Receiver tuning circuit with automatic search and AFC using common...

Receiver tuning circuit

Method of amplitude-frequency conversion and a converter which oper...

Automatic tuning apparatus

Patents Applicationslast 30 patents

DIGITAL COHERENT RECEIVING APPARATUS

DIGITAL COHERENT RECEIVING APPARATUS