FR2312833A1 - DEVICE FOR RECORDING AND / OR REPRODUCING ELECTRIC SIGNALS - Google Patents
DEVICE FOR RECORDING AND / OR REPRODUCING ELECTRIC SIGNALSInfo
- Publication number
- FR2312833A1 FR2312833A1 FR7615777A FR7615777A FR2312833A1 FR 2312833 A1 FR2312833 A1 FR 2312833A1 FR 7615777 A FR7615777 A FR 7615777A FR 7615777 A FR7615777 A FR 7615777A FR 2312833 A1 FR2312833 A1 FR 2312833A1
- Authority
- FR
- France
- Prior art keywords
- recording
- electric signals
- reproducing electric
- reproducing
- signals
- 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.)
- Withdrawn
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
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD18626875A DD125986A1 (en) | 1975-05-27 | 1975-05-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2312833A1 true FR2312833A1 (en) | 1976-12-24 |
Family
ID=5500424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7615777A Withdrawn FR2312833A1 (en) | 1975-05-27 | 1976-05-25 | DEVICE FOR RECORDING AND / OR REPRODUCING ELECTRIC SIGNALS |
Country Status (5)
Country | Link |
---|---|
DD (1) | DD125986A1 (en) |
DE (1) | DE2620319A1 (en) |
FR (1) | FR2312833A1 (en) |
GB (1) | GB1550915A (en) |
NL (1) | NL7605801A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0013903A1 (en) * | 1979-01-09 | 1980-08-06 | Matsushita Electric Industrial Co., Ltd. | Recording system using disk-shaped recording medium |
FR2471107A1 (en) * | 1979-11-15 | 1981-06-12 | Sony Corp | APPARATUS FOR REPRODUCING A RECORDING DISC OF A CODELE PULSE MODULATION SIGNAL |
EP0011494B1 (en) * | 1978-11-16 | 1984-04-04 | Discovision Associates | Method and apparatus for controllably rotating an information storage disc |
WO1997037349A1 (en) * | 1996-04-01 | 1997-10-09 | International Business Machines Corporation | Power saving method and apparatus for use in multiple frequency zone drives |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE32431E (en) * | 1978-11-16 | 1987-06-02 | Discovision Associates | System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate |
GB2046979B (en) * | 1979-04-17 | 1983-05-18 | Burroughs Corp | Recording and replay apparatus employing rotary media |
US4388713A (en) * | 1979-12-27 | 1983-06-14 | Victor Company Of Japan, Ltd. | Rotation control system in a rotary recording medium reproducing apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2113226A (en) * | 1935-05-08 | 1938-04-05 | Rca Corp | Sound recording and reproducing system |
US2505630A (en) * | 1944-09-09 | 1950-04-25 | Rca Corp | Turntable speed control device |
FR2208161A1 (en) * | 1972-11-29 | 1974-06-21 | Ibm |
-
1975
- 1975-05-27 DD DD18626875A patent/DD125986A1/xx unknown
-
1976
- 1976-05-07 DE DE19762620319 patent/DE2620319A1/en not_active Withdrawn
- 1976-05-25 FR FR7615777A patent/FR2312833A1/en not_active Withdrawn
- 1976-05-25 GB GB2165876A patent/GB1550915A/en not_active Expired
- 1976-05-28 NL NL7605801A patent/NL7605801A/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2113226A (en) * | 1935-05-08 | 1938-04-05 | Rca Corp | Sound recording and reproducing system |
US2505630A (en) * | 1944-09-09 | 1950-04-25 | Rca Corp | Turntable speed control device |
FR2208161A1 (en) * | 1972-11-29 | 1974-06-21 | Ibm |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0011494B1 (en) * | 1978-11-16 | 1984-04-04 | Discovision Associates | Method and apparatus for controllably rotating an information storage disc |
EP0013903A1 (en) * | 1979-01-09 | 1980-08-06 | Matsushita Electric Industrial Co., Ltd. | Recording system using disk-shaped recording medium |
FR2471107A1 (en) * | 1979-11-15 | 1981-06-12 | Sony Corp | APPARATUS FOR REPRODUCING A RECORDING DISC OF A CODELE PULSE MODULATION SIGNAL |
WO1997037349A1 (en) * | 1996-04-01 | 1997-10-09 | International Business Machines Corporation | Power saving method and apparatus for use in multiple frequency zone drives |
US5787292A (en) * | 1996-04-01 | 1998-07-28 | International Business Machines Corporation | Power saving method and apparatus for use in multiple frequency zone drives |
Also Published As
Publication number | Publication date |
---|---|
DE2620319A1 (en) | 1976-12-09 |
GB1550915A (en) | 1979-08-22 |
DD125986A1 (en) | 1977-06-08 |
NL7605801A (en) | 1976-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |