using cathode rays

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H04N3/122

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HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION H04N3/00Scanning details of television systems

Current Industry

H04N3/122using cathode rays

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Patents Grantslast 30 patents

Information Patent Grant
Electron beam apparatus and image-forming apparatus
- Patent number 6,555,957
- Issue date Apr 29, 2003
- Canon Kabushiki Kaisha
- Ichiro Nomura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electron beam apparatus and image-forming apparatus
- Patent number 6,459,207
- Issue date Oct 1, 2002
- Canon Kabushiki Kaisha
- Ichiro Nomura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electron beam apparatus and image-forming apparatus
- Patent number 6,348,761
- Issue date Feb 19, 2002
- Canon Kabushiki Kaisha
- Ichiro Nomura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ferroelectric liquid crystal apparatus having a threshold voltage g...
- Patent number 5,479,283
- Issue date Dec 26, 1995
- Canon Kabushiki Kaisha
- Shuzo Kaneko
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal apparatus with gradation information signals and DC...
- Patent number 5,396,352
- Issue date Mar 7, 1995
- Canon Kabushiki Kaisha
- Shuzo Kaneko
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Half-tone display system for a flat matrix type cathode-ray tube
- Patent number 4,870,324
- Issue date Sep 26, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Zenichirou Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Very large color video matrix display apparatus with constant-curre...
- Patent number 4,686,575
- Issue date Aug 11, 1987
- Sony Corporation
- Satoshi Shimada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video display system
- Patent number 4,649,432
- Issue date Mar 10, 1987
- Sony Corporation
- Yuji Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image converter having separate and sequential switching of deflect...
- Patent number 4,565,923
- Issue date Jan 21, 1986
- Hadland Photonics Limited
- Alexander E. Huston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Picture image display apparatus
- Patent number 4,542,322
- Issue date Sep 17, 1985
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Irie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Flatscreen
- Patent number 4,531,122
- Issue date Jul 23, 1985
- Lawrence J. Redfield
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image display apparatus
- Patent number 4,523,225
- Issue date Jun 11, 1985
- Matsushita Electric Industrial Co., Ltd.
- Mitsuya Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for segmentally refreshing the stored electron gun drive vol...
- Patent number 4,500,815
- Issue date Feb 19, 1985
- RCA Corporation
- Loren B. Johnston
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device for displaying both video and graphic or character i...
- Patent number 4,498,081
- Issue date Feb 5, 1985
- Mitsubishi Denki Kabushiki Kaisha
- Nobuo Fukushima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Modular large scale image display device
- Patent number 4,384,279
- Issue date May 17, 1983
- Mitsubishi Denki Kabushiki Kaisha
- Shozoo Fujita
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
System for compensating for intensity variations and beam landing e...
- Patent number 4,376,260
- Issue date Mar 8, 1983
- RCA Corporation
- John P. Russell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for compensating for transfer characteristic variations of e...
- Patent number 4,344,021
- Issue date Aug 10, 1982
- RCA Corporation
- Loren B. Johnston
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
System for compensating for cathode variations in display devices u...
- Patent number 4,271,377
- Issue date Jun 2, 1981
- RCA Corporation
- Robert A. Gange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for periodically reversing the order of video data in a flat...
- Patent number 4,257,068
- Issue date Mar 17, 1981
- RCA Corporation
- Loren B. Johnston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for controlling brightness uniformity in display devices
- Patent number 4,234,825
- Issue date Nov 18, 1980
- RCA Corporation
- Robert A. Gange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scanning apparatus and method for operating the apparatus
- Patent number 4,229,766
- Issue date Oct 21, 1980
- Siemens Aktiengesellschaft
- Balint Sipos
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Cathode addressing system
- Patent number 4,137,551
- Issue date Jan 30, 1979
- RCA Corporation
- Jan A. Rajchman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for modulating a flat panel display device
- Patent number 4,051,468
- Issue date Sep 27, 1977
- RCA Corporation
- Jan Aleksander Rajchman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Flat image display device utilizing digital modulation
- Patent number 4,030,090
- Issue date Jun 14, 1977
- RCA Corporation
- John Guiry Endriz
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3803443
- Patent number 3,803,443
- Issue date Apr 9, 1974
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3671795
- Patent number 3,671,795
- Issue date Jun 20, 1972
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
2890378
- Patent number 2,890,378
- Issue date Jun 9, 1959
- G11 - INFORMATION STORAGE
Information Patent Grant
2487641
- Patent number 2,487,641
- Issue date Nov 8, 1949
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON BEAM APPARATUS AND IMAGE-FORMING APPARATUS
- Publication number 20020101168
- Publication date Aug 1, 2002
- Ichiro Nomura
- G06 - COMPUTING CALCULATING COUNTING

using cathode rays

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electron beam apparatus and image-forming apparatus

Electron beam apparatus and image-forming apparatus

Electron beam apparatus and image-forming apparatus

Ferroelectric liquid crystal apparatus having a threshold voltage g...

Liquid crystal apparatus with gradation information signals and DC...

Half-tone display system for a flat matrix type cathode-ray tube

Very large color video matrix display apparatus with constant-curre...

Video display system

Image converter having separate and sequential switching of deflect...

Picture image display apparatus

Flatscreen

Image display apparatus

System for segmentally refreshing the stored electron gun drive vol...

Display device for displaying both video and graphic or character i...

Modular large scale image display device

System for compensating for intensity variations and beam landing e...

System for compensating for transfer characteristic variations of e...

System for compensating for cathode variations in display devices u...

System for periodically reversing the order of video data in a flat...

System for controlling brightness uniformity in display devices

Scanning apparatus and method for operating the apparatus

Cathode addressing system

Apparatus and method for modulating a flat panel display device

Flat image display device utilizing digital modulation

3803443

3671795

2890378

2487641

Patents Applicationslast 30 patents

ELECTRON BEAM APPARATUS AND IMAGE-FORMING APPARATUS