using preemphasis of the signal before modulation and deemphasis of the signal after demodulation

Industry

CPC
H04N5/923

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION H04N5/00Details of television systems

Current Industry

H04N5/923using preemphasis of the signal before modulation and deemphasis of the signal after demodulation

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Method for designing de-emphasis circuit for video signal processin...
- Patent number 7,174,082
- Issue date Feb 6, 2007
- Samsung Electronics Co., Ltd.
- Chul-min Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video cassette recorder
- Patent number 6,839,501
- Issue date Jan 4, 2005
- Matsushita Electric Industrial Co., Ltd.
- Tatsuya Kanatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for recording a high quality signal
- Patent number 6,519,409
- Issue date Feb 11, 2003
- Victor Company of Japan, Ltd.
- Kanju Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video recorder having playback-signal processing means adaptable to...
- Patent number 6,496,645
- Issue date Dec 17, 2002
- Koninklijke Philips Electronics N.V.
- Willibald Friedreich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Deemphasis and subsequent reemphasis of high-energy reversed-spectr...
- Patent number 6,246,827
- Issue date Jun 12, 2001
- Samsung Electronics Co., Ltd.
- Christopher H. Strolle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal emphasis and deemphasis method and apparatus
- Patent number 5,771,333
- Issue date Jun 23, 1998
- Victor Company of Japan
- Ryo Hirayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive deemphasis and reemphasis of high frequencies in video tap...
- Patent number 5,745,635
- Issue date Apr 28, 1998
- Samsung Electronics Co., Ltd.
- Christopher H. Strolle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Recording signal control apparatus capable of optimizing recording...
- Patent number 5,740,309
- Issue date Apr 14, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Yoshiaki Mimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Panorama image producing method and apparatus
- Patent number 5,689,611
- Issue date Nov 18, 1997
- Sony Corporation
- Masashi Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Deemphasis & Subsequent reemphasis of high-energy reversed-spectrum...
- Patent number 5,673,355
- Issue date Sep 30, 1997
- SamSung Electronics Co., Ltd.
- Christopher H. Strolle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for recording and reproducing video signals with preempha...
- Patent number 5,671,066
- Issue date Sep 23, 1997
- Victor Company of Japan, Ltd.
- Ryo Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Panorama image producing method and apparatus using at least portio...
- Patent number 5,666,459
- Issue date Sep 9, 1997
- Sony Corporation
- Masashi Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Panorama image producing method and apparatus which calculates a cu...
- Patent number 5,625,462
- Issue date Apr 29, 1997
- Sony Corporation
- Masashi Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Deemphasis and subsequent reemphasis of high-energy reversed-spectr...
- Patent number 5,596,418
- Issue date Jan 21, 1997
- Samsung Electronics Co., Ltd.
- Christopher H. Strolle
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Recording signal control apparatus capable of optimizing recording...
- Patent number 5,579,119
- Issue date Nov 26, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Yoshiaki Mimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Panorama image producing method and appartus
- Patent number 5,548,409
- Issue date Aug 20, 1996
- Sony Corporation
- Masashi Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of video noise reduction using non-linear pre/de-emphasis
- Patent number 5,535,246
- Issue date Jul 9, 1996
- National Transcommunications Limited
- Brian H. Beech
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reproducing a video signal subject to pre-...
- Patent number 5,526,136
- Issue date Jun 11, 1996
- Victor Company of Japan, Ltd.
- Hirofumi Hisikura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for recording and reproducing video signals with preempha...
- Patent number 5,517,322
- Issue date May 14, 1996
- Victor Company of Japan, Ltd.
- Ryo Hirayama
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for producing a panorama image using a motion...
- Patent number 5,510,830
- Issue date Apr 23, 1996
- Sony Corporation
- Masashi Ohia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital non-linear pre-emphasis/de-emphasis apparatus for video sig...
- Patent number 5,493,341
- Issue date Feb 20, 1996
- SamSung Electronics Co., Ltd.
- Seok-hoon Nam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coding apparatus, decoding apparatus, coding-decoding apparatus for...
- Patent number 5,491,514
- Issue date Feb 13, 1996
- Matsushita Electric Industrial Co., Ltd.
- Hideki Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic recording and reproducing device with selective line noise...
- Patent number 5,446,539
- Issue date Aug 29, 1995
- Akai Electric Co., Ltd.
- Tokuichi Minakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal processing apparatus with image quality adjustment
- Patent number 5,438,424
- Issue date Aug 1, 1995
- Hitachi, Ltd.
- Yukihiko Ozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal reproduction apparatus and time base correcting device
- Patent number 5,424,849
- Issue date Jun 13, 1995
- Mitsubishiki Denki Kabushiki Kaisha
- Koichi Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic recording/reproducing apparatus including a switch for sel...
- Patent number 5,416,641
- Issue date May 16, 1995
- Akai Electric Co., Ltd.
- Tokuichi Minakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio signal recording/reproducing apparatus for recording and repr...
- Patent number 5,414,523
- Issue date May 9, 1995
- Hitachi, Ltd.
- Nobuo Azuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus having improved detail emphasis circuit
- Patent number 5,400,149
- Issue date Mar 21, 1995
- Akai Electric Co., Ltd.
- Tokuichi Minakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic recording/reproducing apparatus using segment recording sy...
- Patent number 5,396,373
- Issue date Mar 7, 1995
- Sharp Kabushiki Kaisha
- Kouji Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Carrier signal generating circuit in video signal recording/reprodu...
- Patent number 5,323,242
- Issue date Jun 21, 1994
- Hitachi, Ltd.
- Norihisa Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method for designing de-emphasis circuit for video signal processin...
- Publication number 20020031326
- Publication date Mar 14, 2002
- Chul-min Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Video cassette recorder
- Publication number 20010024563
- Publication date Sep 27, 2001
- Tatsuya Kanatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using preemphasis of the signal before modulation and deemphasis of the signal after demodulation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for designing de-emphasis circuit for video signal processin...

Video cassette recorder

Apparatus for recording a high quality signal

Video recorder having playback-signal processing means adaptable to...

Deemphasis and subsequent reemphasis of high-energy reversed-spectr...

Video signal emphasis and deemphasis method and apparatus

Adaptive deemphasis and reemphasis of high frequencies in video tap...

Recording signal control apparatus capable of optimizing recording...

Panorama image producing method and apparatus

Deemphasis & Subsequent reemphasis of high-energy reversed-spectrum...

Apparatus for recording and reproducing video signals with preempha...

Panorama image producing method and apparatus using at least portio...

Panorama image producing method and apparatus which calculates a cu...

Deemphasis and subsequent reemphasis of high-energy reversed-spectr...

Recording signal control apparatus capable of optimizing recording...

Panorama image producing method and appartus

Method of video noise reduction using non-linear pre/de-emphasis

Method and apparatus for reproducing a video signal subject to pre-...

Apparatus for recording and reproducing video signals with preempha...

Apparatus and method for producing a panorama image using a motion...

Digital non-linear pre-emphasis/de-emphasis apparatus for video sig...

Coding apparatus, decoding apparatus, coding-decoding apparatus for...

Magnetic recording and reproducing device with selective line noise...

Video signal processing apparatus with image quality adjustment

Video signal reproduction apparatus and time base correcting device

Magnetic recording/reproducing apparatus including a switch for sel...

Audio signal recording/reproducing apparatus for recording and repr...

Magnetic recording apparatus having improved detail emphasis circuit

Magnetic recording/reproducing apparatus using segment recording sy...

Carrier signal generating circuit in video signal recording/reprodu...

Patents Applicationslast 30 patents

Method for designing de-emphasis circuit for video signal processin...

Video cassette recorder