FR2388339B1 - - Google Patents
Info
- Publication number
- FR2388339B1 FR2388339B1 FR7811700A FR7811700A FR2388339B1 FR 2388339 B1 FR2388339 B1 FR 2388339B1 FR 7811700 A FR7811700 A FR 7811700A FR 7811700 A FR7811700 A FR 7811700A FR 2388339 B1 FR2388339 B1 FR 2388339B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/18—Controlling the angular speed together with angular position or phase
- H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Rotational Drive Of Disk (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/789,528 US4146910A (en) | 1977-04-21 | 1977-04-21 | Combined speed control and sectoring index for disc recorders and the like |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2388339A1 FR2388339A1 (fr) | 1978-11-17 |
| FR2388339B1 true FR2388339B1 (fr) | 1983-02-25 |
Family
ID=25147901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7811700A Granted FR2388339A1 (fr) | 1977-04-21 | 1978-04-20 | Dispositif et procede de reglage de la vitesse et de la position en rotation d'un element tournant sur son axe |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4146910A (fr) |
| BR (1) | BR7802388A (fr) |
| CA (1) | CA1116746A (fr) |
| FR (1) | FR2388339A1 (fr) |
| IT (1) | IT1095214B (fr) |
| NL (1) | NL7803523A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55109184A (en) * | 1979-02-13 | 1980-08-22 | Victor Co Of Japan Ltd | Rotational speed control system |
| JPS5677960A (en) * | 1979-11-27 | 1981-06-26 | Sony Corp | Generating circuit of counter clock signal for tape counter |
| US4477750A (en) * | 1982-05-17 | 1984-10-16 | International Business Machines Corporation | Multi-level disk drive motor speed control |
| US4639798A (en) * | 1982-11-26 | 1987-01-27 | Quantum Corporation | Disk drive having two interactive electromechanical control subsystems |
| US4691310A (en) * | 1985-08-09 | 1987-09-01 | Rca Corporation | Compact disk read only memory recording system with speed control |
| JP2790273B2 (ja) * | 1986-03-31 | 1998-08-27 | キヤノン株式会社 | 駆動装置 |
| US5444345A (en) * | 1988-03-17 | 1995-08-22 | Canon Kabushiki Kaisha | Speed control apparatus for a motor |
| JP3239136B2 (ja) * | 1999-09-24 | 2001-12-17 | 株式会社東京機械製作所 | 回転位置偏差検出装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL293137A (fr) * | 1962-05-28 | 1900-01-01 | ||
| FR1358751A (fr) * | 1962-05-28 | 1964-04-17 | Ampex | Servo-mécanisme régulateur de vitesse, notamment pour appareil à bande magnétique |
| US3803632A (en) * | 1971-10-14 | 1974-04-09 | Sycor Inc | Data-entry clock means and method of implementing same |
| JPS4882809A (fr) * | 1972-02-03 | 1973-11-06 | ||
| US3952237A (en) * | 1973-06-26 | 1976-04-20 | Canon Kabushiki Kaisha | Rotary body control apparatus |
| US3967177A (en) * | 1974-11-14 | 1976-06-29 | Addressograph Multigraph Corporation | Photocomposition machine |
-
1977
- 1977-04-21 US US05/789,528 patent/US4146910A/en not_active Expired - Lifetime
-
1978
- 1978-03-15 CA CA000298972A patent/CA1116746A/fr not_active Expired
- 1978-04-03 NL NL7803523A patent/NL7803523A/xx not_active Application Discontinuation
- 1978-04-18 BR BR787802388A patent/BR7802388A/pt unknown
- 1978-04-20 FR FR7811700A patent/FR2388339A1/fr active Granted
- 1978-04-21 IT IT22626/78A patent/IT1095214B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NL7803523A (nl) | 1978-10-24 |
| CA1116746A (fr) | 1982-01-19 |
| FR2388339A1 (fr) | 1978-11-17 |
| BR7802388A (pt) | 1979-02-13 |
| IT7822626A0 (it) | 1978-04-21 |
| US4146910A (en) | 1979-03-27 |
| IT1095214B (it) | 1985-08-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |