Means preventing a wrong working of the automatic frequency correction in case of fading or bad signal/noise ratio

Industry

CPC
H03J7/026

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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

H03J7/026Means preventing a wrong working of the automatic frequency correction in case of fading or bad signal/noise ratio

Industries

Patents Grantslast 30 patents

Information Patent Grant
Portable radio terminal and AFC control method
- Patent number 7,606,545
- Issue date Oct 20, 2009
- NEC Corporation
- Mariko Matsumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Oscillator frequency control
- Patent number 7,474,717
- Issue date Jan 6, 2009
- Sony Ericsson Mobile Communications AB
- Bo Lindell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable radio terminal and AFC control method
- Patent number 7,305,219
- Issue date Dec 4, 2007
- NEC Corporation
- Mariko Matsumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method for achieving immediate and accurate automatic frequency tuning
- Patent number 7,171,181
- Issue date Jan 30, 2007
- Schick Technologies, Inc.
- David B. Schick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable radio terminal and AFC control method
- Patent number 7,043,216
- Issue date May 9, 2006
- NEC Corporation
- Mariko Matsumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic frequency control system, operation control method thereo...
- Patent number 7,027,787
- Issue date Apr 11, 2006
- NEC Corporation
- Masaru Hirata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Portable telephone apparatus and stablly supplying method of refere...
- Patent number 6,748,199
- Issue date Jun 8, 2004
- NEC Corporation
- Akihiro Nakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency error estimating apparatus and a frequency error estimati...
- Patent number 6,674,814
- Issue date Jan 6, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Kazuo Tanada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tuner device
- Patent number 6,625,431
- Issue date Sep 23, 2003
- Funai Electronics, Co.. Ltd.
- Noriyuki Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic frequency control oscillation circuit
- Patent number 5,818,302
- Issue date Oct 6, 1998
- NEC Corporation
- Shigeru Otsuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic frequency control circuit
- Patent number 5,513,388
- Issue date Apr 30, 1996
- Japan Radio Co., Ltd.
- Gen Suganuma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic frequency control in a radio communication receiver
- Patent number 5,457,716
- Issue date Oct 10, 1995
- Motorola, Inc.
- Yi M. G. G. Ang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit arrangement for automatic frequency control in a radio tele...
- Patent number 5,335,364
- Issue date Aug 2, 1994
- Nokia Mobile Phones, Ltd.
- Jarmo Heinonen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diversity radio receiver automatic frequency control
- Patent number 5,321,850
- Issue date Jun 14, 1994
- Telefonaktiebolaget L M Ericsson
- Tomas O. Backstrom
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital automatic frequency control of pure sine waves
- Patent number 4,910,470
- Issue date Mar 20, 1990
- Motorola, Inc.
- David E. Borth
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
FM Radio receiver
- Patent number 4,224,471
- Issue date Sep 23, 1980
- Nippon Gakki Seizo Kabushiki Kaisha
- Minoru Ogita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3824475
- Patent number 3,824,475
- Issue date Jul 16, 1974
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3678394
- Patent number 3,678,394
- Issue date Jul 18, 1972
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3611152
- Patent number 3,611,152
- Issue date Oct 5, 1971
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3569835
- Patent number 3,569,835
- Issue date Mar 9, 1971
- G01 - MEASURING TESTING
Information Patent Grant
3275940
- Patent number 3,275,940
- Issue date Sep 27, 1966
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3264565
- Patent number 3,264,565
- Issue date Aug 2, 1966
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3110021
- Patent number 3,110,021
- Issue date Nov 5, 1963
- G05 - CONTROLLING REGULATING
Information Patent Grant
3030588
- Patent number 3,030,588
- Issue date Apr 17, 1962
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
2915626
- Patent number 2,915,626
- Issue date Dec 1, 1959
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
2866090
- Patent number 2,866,090
- Issue date Dec 23, 1958
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
2856600
- Patent number 2,856,600
- Issue date Oct 14, 1958
- G01 - MEASURING TESTING
Information Patent Grant
2847567
- Patent number 2,847,567
- Issue date Aug 12, 1958
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
2844713
- Patent number 2,844,713
- Issue date Jul 22, 1958
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
2695961
- Patent number 2,695,961
- Issue date Nov 30, 1954
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Oscillator frequency control
- Publication number 20060013345
- Publication date Jan 19, 2006
- Bo Lindell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Channel selecting unit
- Publication number 20050117072
- Publication date Jun 2, 2005
- Yukio Tsubokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable radio terminal and AFC control method
- Publication number 20050111595
- Publication date May 26, 2005
- NEC Corporation
- Mariko Matsumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Portable radio terminal and AFC control method
- Publication number 20050105655
- Publication date May 19, 2005
- NEC Corporation
- Mariko Matsumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method for achieving immediate and accurate automatic frequency tuning
- Publication number 20050037720
- Publication date Feb 17, 2005
- Schick Technologies, Inc.
- David B. Schick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic frequency control system, operation control method thereo...
- Publication number 20040038659
- Publication date Feb 26, 2004
- NEC Corporation
- Masaru Hirata
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Portable radio terminal and AFC control method
- Publication number 20020098817
- Publication date Jul 25, 2002
- NEC Corporation
- Mariko Matsumoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Portable telephone apparatus and stablly supplying method of refere...
- Publication number 20010014590
- Publication date Aug 16, 2001
- Akihiro Nakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Frequency error estimating apparatus and a frequency error estimati...
- Publication number 20010008543
- Publication date Jul 19, 2001
- Kazuo Tanada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Means preventing a wrong working of the automatic frequency correction in case of fading or bad signal/noise ratio

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Portable radio terminal and AFC control method

Oscillator frequency control

Portable radio terminal and AFC control method

Method for achieving immediate and accurate automatic frequency tuning

Portable radio terminal and AFC control method

Automatic frequency control system, operation control method thereo...

Portable telephone apparatus and stablly supplying method of refere...

Frequency error estimating apparatus and a frequency error estimati...

Tuner device

Automatic frequency control oscillation circuit

Automatic frequency control circuit

Automatic frequency control in a radio communication receiver

Circuit arrangement for automatic frequency control in a radio tele...

Diversity radio receiver automatic frequency control

Digital automatic frequency control of pure sine waves

FM Radio receiver

3824475

3678394

3611152

3569835

3275940

3264565

3110021

3030588

2915626

2866090

2856600

2847567

2844713

2695961

Patents Applicationslast 30 patents

Oscillator frequency control

Channel selecting unit

Portable radio terminal and AFC control method

Portable radio terminal and AFC control method

Method for achieving immediate and accurate automatic frequency tuning

Automatic frequency control system, operation control method thereo...

Portable radio terminal and AFC control method

Portable telephone apparatus and stablly supplying method of refere...

Frequency error estimating apparatus and a frequency error estimati...