Phonograph needles and the like

Industry

CPC
B24B19/165

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B24Grinding technology B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group

Current Industry

B24B19/165Phonograph needles and the like

Industries

Patents Grantslast 30 patents

Information Patent Grant
Fibre-type wavelength converison device
- Patent number 5,119,458
- Issue date Jun 2, 1992
- Pioneer Electronic Corporation
- Sota Okamoto
- G02 - OPTICS
Information Patent Grant
Apparatus for lapping a facet on a tip of a workpiece
- Patent number 4,603,512
- Issue date Aug 5, 1986
- RCA Corporation
- Eric F. Cave
- B24 - GRINDING POLISHING
Information Patent Grant
Lapping apparatus
- Patent number 4,566,224
- Issue date Jan 28, 1986
- RCA Corporation
- Anton G. Moldovan
- B24 - GRINDING POLISHING
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
Stylus manufacturing apparatus and method
- Patent number 4,490,945
- Issue date Jan 1, 1985
- RCA Corporation
- William R. Roach
- B24 - GRINDING POLISHING
Information Patent Grant
Jig for machining stylus blanks
- Patent number 4,433,794
- Issue date Feb 28, 1984
- RCA Corporation
- Yashaya Yarnitsky
- 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
Flip-flop grinding method
- Patent number 4,428,165
- Issue date Jan 31, 1984
- RCA Corporation
- Anil R. Dholakia
- B24 - GRINDING POLISHING
Information Patent Grant
Method and apparatus for rotating a stylus during lapping
- Patent number 4,419,848
- Issue date Dec 13, 1983
- RCA Corporation
- William A. Dischert
- B24 - GRINDING POLISHING
Information Patent Grant
Grinding apparatus
- Patent number 4,418,500
- Issue date Dec 6, 1983
- RCA Corporation
- Anil R. Dholakia
- B24 - GRINDING POLISHING
Information Patent Grant
Stylus manufacturing method
- Patent number 4,417,423
- Issue date Nov 29, 1983
- RCA Corporation
- Eric F. Cave
- B24 - GRINDING POLISHING
Information Patent Grant
Capacitance detection type record stylus and method for making the...
- Patent number 4,410,974
- Issue date Oct 18, 1983
- Victor Company of Japan, Limited
- Keiji Segawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method of forming reference flats on styli
- Patent number 4,387,540
- Issue date Jun 14, 1983
- RCA Corporation
- Robert E. Harwood
- 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
Apparatus and method for sharpening a cutting stylus
- Patent number 4,365,447
- Issue date Dec 28, 1982
- RCA Corporation
- Anil R. Dholakia
- B24 - GRINDING POLISHING
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
Stylus tip fabrication from a synthetic diamond stone
- Patent number 4,340,954
- Issue date Jul 20, 1982
- RCA Corporation
- Shiu-Shin Chio
- B24 - GRINDING POLISHING
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
Method for precision grinding of hard, pointed materials
- Patent number 4,243,395
- Issue date Jan 6, 1981
- RCA Corporation
- Anil R. Dholakia
- B24 - GRINDING POLISHING
Information Patent Grant
Method for manufacturing a diamond stylus for video disc players
- Patent number 4,165,560
- Issue date Aug 28, 1979
- RCA Corporation
- Yasushi Matsumoto
- B24 - GRINDING POLISHING
Information Patent Grant
Video disc pickup apparatus
- Patent number 4,164,755
- Issue date Aug 14, 1979
- RCA Corporation
- Yasushi Matsumoto
- B24 - GRINDING POLISHING
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
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
3037330
- Patent number 3,037,330
- Issue date Jun 5, 1962
- B24 - GRINDING POLISHING
Information Patent Grant
2960759
- Patent number 2,960,759
- Issue date Nov 22, 1960
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
2665526
- Patent number 2,665,526
- Issue date Jan 12, 1954
- B24 - GRINDING POLISHING
Information Patent Grant
2465442
- Patent number 2,465,442
- Issue date Mar 29, 1949
- B24 - GRINDING POLISHING
Information Patent Grant
2460570
- Patent number 2,460,570
- Issue date Feb 1, 1949
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
JIG
- Publication number 20090295056
- Publication date Dec 3, 2009
- EASTLAND MEDICAL SYSTEMS LTD.
- Philip Bunce
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Phonograph needles and the like

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Fibre-type wavelength converison device

Apparatus for lapping a facet on a tip of a workpiece

Lapping apparatus

Reproducing stylus and method of making same

Stylus manufacturing apparatus and method

Jig for machining stylus blanks

Cutting stylus for mechanically cutting masters for keel-lapping

Flip-flop grinding method

Method and apparatus for rotating a stylus during lapping

Grinding apparatus

Stylus manufacturing method

Capacitance detection type record stylus and method for making the...

Method of forming reference flats on styli

Method for mechanically preparing stylus lapping discs

Apparatus and method for sharpening a cutting stylus

Apparatus for sharpening a cutting stylus

Stylus tip fabrication from a synthetic diamond stone

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

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

Method for preparing stylus lapping discs

Method for precision grinding of hard, pointed materials

Method for manufacturing a diamond stylus for video disc players

Video disc pickup apparatus

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

Stylus grinding device for video disc player

3037330

2960759

2665526

2465442

2460570

Patents Applicationslast 30 patents

JIG