BE680332A - - Google Patents
Info
- Publication number
- BE680332A BE680332A BE680332DA BE680332A BE 680332 A BE680332 A BE 680332A BE 680332D A BE680332D A BE 680332DA BE 680332 A BE680332 A BE 680332A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB81660A DE1231454B (de) | 1965-04-29 | 1965-04-29 | Vorrichtung zur selbsttaetigen Wahl der Drehzahl von Abspielgeraeten fuer plattenfoermige Schall-aufzeichnungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE680332A true BE680332A (en:Method) | 1966-10-03 |
Family
ID=6981185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE680332D BE680332A (en:Method) | 1965-04-29 | 1966-04-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE680332A (en:Method) |
| DE (1) | DE1231454B (en:Method) |
| NL (1) | NL6605831A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3172850D1 (en) * | 1980-12-17 | 1985-12-12 | Matsushita Electric Industrial Co Ltd | Optical disk having an index mark |
| FR2504713B1 (fr) * | 1981-04-27 | 1986-04-11 | Thomson Csf | Disque support d'information a codage angulaire et systeme d'entrainement en rotation d'un tel disque |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2885208A (en) * | 1953-08-24 | 1959-05-05 | Lawrence A Pranter | Phonograph record player speed selector |
-
1965
- 1965-04-29 DE DEB81660A patent/DE1231454B/de active Pending
-
1966
- 1966-04-29 NL NL6605831A patent/NL6605831A/xx unknown
- 1966-04-29 BE BE680332D patent/BE680332A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6605831A (en:Method) | 1966-10-31 |
| DE1231454B (de) | 1966-12-29 |