Styli particularly adapted for sensing video discs

Industry

CPC
G11B3/445

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B3/00Recording by mechanical cutting, deforming or pressing

Current Industry

G11B3/445Styli particularly adapted for sensing video discs

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Keel-tipped stylus, and method and device for making keel-tipped st...
- Patent number 4,450,551
- Issue date May 22, 1984
- Sanyo Electric Co., Ltd.
- Toshiyuki Kudo
- B24 - GRINDING POLISHING
Information Patent Grant
Stylus for detecting signals recorded as geometric variations and m...
- Patent number 4,426,660
- Issue date Jan 17, 1984
- Victor Company of Japan, Limited
- Hideaki Takehara
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Video disc stylus cartridge with protective member
- Patent number 4,374,434
- Issue date Feb 15, 1983
- RCA Corporation
- Donald T. Hatin
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing diamond pick-up stylus
- Patent number 4,372,042
- Issue date Feb 8, 1983
- Diamagnetics, Inc.
- George F. Hughes
- G11 - INFORMATION STORAGE
Information Patent Grant
Spinel video disc playback stylus
- Patent number 4,370,739
- Issue date Jan 25, 1983
- RCA Corporation
- Chih C. Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Removable protective cover for a video disc stylus cartridge
- Patent number 4,342,394
- Issue date Aug 3, 1982
- RCA Corporation
- Byron K. Taylor
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for measuring the characteristics of a wideband electrome...
- Patent number 4,295,216
- Issue date Oct 13, 1981
- RCA Corporation
- Raymond L. Truesdell
- G11 - INFORMATION STORAGE
Information Patent Grant
Selectively damped video disc stylus assembly
- Patent number 4,280,024
- Issue date Jul 21, 1981
- RCA Corporation
- Anil R. Dholakia
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for mechanically recording a signal having a bandwidth of se...
- Patent number 4,194,094
- Issue date Mar 18, 1980
- Ted Bildplatten Aktiengesellschaft AEG-Telefunken-Teldec
- Horst Redlich
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for forming a narrowed-electrode pickup stylus for video dis...
- Patent number 4,098,030
- Issue date Jul 4, 1978
- RCA Corporation
- Jack Selig Fuhrer
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus and method for embossing information on a disc
- Patent number 3,976,830
- Issue date Aug 24, 1976
- CBS Inc.
- William E. Glenn
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for embossing information on a disc
- Patent number 3,946,149
- Issue date Mar 23, 1976
- CBS Inc.
- James V. White
- G11 - INFORMATION STORAGE
Information Patent Grant
3824352
- Patent number 3,824,352
- Issue date Jul 16, 1974
- G11 - INFORMATION STORAGE
Information Patent Grant
3800099
- Patent number 3,800,099
- Issue date Mar 26, 1974
- G11 - INFORMATION STORAGE
Information Patent Grant
3691317
- Patent number 3,691,317
- Issue date Sep 12, 1972
- G11 - INFORMATION STORAGE

Styli particularly adapted for sensing video discs

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Keel-tipped stylus, and method and device for making keel-tipped st...

Stylus for detecting signals recorded as geometric variations and m...

Video disc stylus cartridge with protective member

Method for manufacturing diamond pick-up stylus

Spinel video disc playback stylus

Removable protective cover for a video disc stylus cartridge

Apparatus for measuring the characteristics of a wideband electrome...

Selectively damped video disc stylus assembly

Device for mechanically recording a signal having a bandwidth of se...

Method for forming a narrowed-electrode pickup stylus for video dis...

Apparatus and method for embossing information on a disc

Apparatus for embossing information on a disc

3824352

3800099

3691317

Patents Applicationslast 30 patents