JPS5274329A - Production of stylus for video disc apparatus - Google Patents
Production of stylus for video disc apparatusInfo
- Publication number
- JPS5274329A JPS5274329A JP50151434A JP15143475A JPS5274329A JP S5274329 A JPS5274329 A JP S5274329A JP 50151434 A JP50151434 A JP 50151434A JP 15143475 A JP15143475 A JP 15143475A JP S5274329 A JPS5274329 A JP S5274329A
- Authority
- JP
- Japan
- Prior art keywords
- stylus
- production
- disc apparatus
- video disc
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
- G11B9/07—Heads for reproducing capacitive information
- G11B9/075—Heads for reproducing capacitive information using mechanical contact with record carrier, e.g. by stylus
Abstract
PURPOSE:To prolong the service life of the stylus by forming a thin film of a specific metal on the end surface part of a diamond stylus, heat-treating said film at a specific temperature range, then caronizing said film in a carbonizing gas thereby obtaining conductive electrode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50151434A JPS5274329A (en) | 1975-12-17 | 1975-12-17 | Production of stylus for video disc apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50151434A JPS5274329A (en) | 1975-12-17 | 1975-12-17 | Production of stylus for video disc apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5274329A true JPS5274329A (en) | 1977-06-22 |
JPS5627934B2 JPS5627934B2 (en) | 1981-06-27 |
Family
ID=15518519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50151434A Granted JPS5274329A (en) | 1975-12-17 | 1975-12-17 | Production of stylus for video disc apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5274329A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637838A (en) * | 1979-09-05 | 1981-04-11 | Sanyo Electric Co Ltd | Structutre and manufacture of reproducing stylus |
FR2479633A1 (en) * | 1980-03-28 | 1981-10-02 | Rca Corp | READING POINT FOR DISC CONTAINING INFORMATION, ESPECIALLY VIDEO |
-
1975
- 1975-12-17 JP JP50151434A patent/JPS5274329A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5637838A (en) * | 1979-09-05 | 1981-04-11 | Sanyo Electric Co Ltd | Structutre and manufacture of reproducing stylus |
FR2479633A1 (en) * | 1980-03-28 | 1981-10-02 | Rca Corp | READING POINT FOR DISC CONTAINING INFORMATION, ESPECIALLY VIDEO |
Also Published As
Publication number | Publication date |
---|---|
JPS5627934B2 (en) | 1981-06-27 |
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