Sharpening

Industry

CPC
G11B3/56

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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

G11B3/56Sharpening

Industries

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Patents Grantslast 30 patents

Information Patent Grant
System for positioning a body
- Patent number 4,523,850
- Issue date Jun 18, 1985
- RCA Corporation
- Robert L. Covey
- G11 - INFORMATION STORAGE
Information Patent Grant
Reproducing stylus and method of making same
- Patent number 4,521,877
- Issue date Jun 4, 1985
- Namiki Precision Jewel Co., Ltd.
- Hiroshi Shimamoto
- B24 - GRINDING POLISHING
Information Patent Grant
Cutting stylus for mechanically cutting masters for keel-lapping
- Patent number 4,429,678
- Issue date Feb 7, 1984
- RCA Corporation
- Gunter John
- B24 - GRINDING POLISHING
Information Patent Grant
Method for mechanically preparing stylus lapping discs
- Patent number 4,369,604
- Issue date Jan 25, 1983
- RCA Corporation
- Grzegorz Kaganowicz
- B24 - GRINDING POLISHING
Information Patent Grant
Method of preparing an abrasive coated substrate
- Patent number 4,355,052
- Issue date Oct 19, 1982
- RCA Corporation
- Grzegorz Kaganowicz
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Apparatus for sharpening a cutting stylus
- Patent number 4,355,382
- Issue date Oct 19, 1982
- RCA Corporation
- Anil R. Dholakia
- B24 - GRINDING POLISHING
Information Patent Grant
Method for obtaining an abrasive coating
- Patent number 4,352,836
- Issue date Oct 5, 1982
- RCA Corporation
- John W. Robinson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for positioning a tapered body
- Patent number 4,341,472
- Issue date Jul 27, 1982
- RCA Corporation
- Istvan Gorog
- G11 - INFORMATION STORAGE
Information Patent Grant
Uniform light exposure of positive photoresist for replicating spir...
- Patent number 4,308,337
- Issue date Dec 29, 1981
- RCA Corporation
- William R. Roach
- B24 - GRINDING POLISHING
Information Patent Grant
Asymmetrical radiation exposure of spin coated photoresist to obtai...
- Patent number 4,306,013
- Issue date Dec 15, 1981
- RCA Corporation
- William R. Roach
- B24 - GRINDING POLISHING
Information Patent Grant
Method for preparing stylus lapping discs
- Patent number 4,297,312
- Issue date Oct 27, 1981
- RCA Corporation
- Charles B. Carroll
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Reworking of a playback or recording member guide body
- Patent number 4,085,939
- Issue date Apr 25, 1978
- TED Bildplatten Aktiengesellschaft AEG-Telefunken-Teldec
- Gunter Joschko
- G11 - INFORMATION STORAGE
Information Patent Grant
Stylus grinding device for video disc player
- Patent number 3,973,361
- Issue date Aug 10, 1976
- Sanyo Electric Co., Ltd.
- Masaru Yamano
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Fabrication of foil disc pressing matrices
- Patent number 3,956,075
- Issue date May 11, 1976
- TED Bildplatten Aktiengesellschaft, AEG-Telefunken, TELDEC
- Werner Rohwer
- G11 - INFORMATION STORAGE
Information Patent Grant
3891222
- Patent number 3,891,222
- Issue date Jun 24, 1975
- G11 - INFORMATION STORAGE
Information Patent Grant
3881734
- Patent number 3,881,734
- Issue date May 6, 1975
- G11 - INFORMATION STORAGE
Information Patent Grant
3873098
- Patent number 3,873,098
- Issue date Mar 25, 1975
- G11 - INFORMATION STORAGE
Information Patent Grant
1569402
- Patent number 1,569,402
- Issue date Jan 12, 1926
- B24 - GRINDING POLISHING
Information Patent Grant
1569403
- Patent number 1,569,403
- Issue date Jan 12, 1926
- B24 - GRINDING POLISHING

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System for positioning a body

Reproducing stylus and method of making same

Cutting stylus for mechanically cutting masters for keel-lapping

Method for mechanically preparing stylus lapping discs

Method of preparing an abrasive coated substrate

Apparatus for sharpening a cutting stylus

Method for obtaining an abrasive coating

Method and apparatus for positioning a tapered body

Uniform light exposure of positive photoresist for replicating spir...

Asymmetrical radiation exposure of spin coated photoresist to obtai...

Method for preparing stylus lapping discs

Reworking of a playback or recording member guide body

Stylus grinding device for video disc player

Fabrication of foil disc pressing matrices

3891222

3881734

3873098

1569402

1569403

Patents Applicationslast 30 patents