BE711678A - - Google Patents
Info
- Publication number
- BE711678A BE711678A BE711678DA BE711678A BE 711678 A BE711678 A BE 711678A BE 711678D A BE711678D A BE 711678DA BE 711678 A BE711678 A BE 711678A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
- H02P5/52—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another additionally providing control of relative angular displacement
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Control Of Electric Motors In General (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62071567A | 1967-03-06 | 1967-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE711678A true BE711678A (pl) | 1968-07-15 |
Family
ID=24487078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE711678D BE711678A (pl) | 1967-03-06 | 1968-03-05 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3503058A (pl) |
| JP (1) | JPS4616014B1 (pl) |
| BE (1) | BE711678A (pl) |
| DE (1) | DE1574661C3 (pl) |
| FR (1) | FR1559239A (pl) |
| GB (1) | GB1208349A (pl) |
| SE (1) | SE333835B (pl) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2401443A1 (de) * | 1973-01-16 | 1974-07-18 | Davy Loewy Ltd | Positionswandler-anordnung |
| GB1496593A (en) * | 1974-08-16 | 1977-12-30 | Braun Ag | System for controlling two slide projectors |
| JPS5971168A (ja) * | 1982-10-15 | 1984-04-21 | Victor Co Of Japan Ltd | 情報記録媒体円盤の回転制御装置 |
| US4855654A (en) * | 1985-03-16 | 1989-08-08 | Canon Kabushiki Kaisha | Rotary body drive device |
| US4816937A (en) * | 1985-10-17 | 1989-03-28 | Canon Kabushiki Kaisha | Recording and/or reproduction apparatus capable of retaining start up information |
| JPH084393B2 (ja) * | 1989-06-01 | 1996-01-17 | 株式会社日立製作所 | 回転型記憶装置 |
| JP2770986B2 (ja) * | 1989-06-23 | 1998-07-02 | 富士通株式会社 | 外部記憶装置のマスタパルス切替方式 |
| JP2811816B2 (ja) * | 1989-10-16 | 1998-10-15 | ソニー株式会社 | イメージローテータのサーボ回路 |
| JPH03168931A (ja) * | 1989-11-27 | 1991-07-22 | Sony Corp | 回転光学ヘッド |
| US5313589A (en) * | 1991-05-15 | 1994-05-17 | Ibm Corporation | Low level device interface for direct access storage device including minimum functions and enabling high data rate performance |
| US5438464A (en) * | 1993-04-23 | 1995-08-01 | Quantum Corporation | Synchronization of multiple disk drive spindles |
| US5448428A (en) * | 1993-04-23 | 1995-09-05 | Quantum Corporation | Phase locking a disk drive spindle to a reference signal |
| US5491593A (en) * | 1993-09-10 | 1996-02-13 | International Business Machines Corporation | Disk drive spindle synchronization apparatus and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3195118A (en) * | 1961-08-24 | 1965-07-13 | Ibm | Data storage timing system |
-
1967
- 1967-03-06 US US620715A patent/US3503058A/en not_active Expired - Lifetime
-
1968
- 1968-02-29 GB GB9855/68A patent/GB1208349A/en not_active Expired
- 1968-03-05 BE BE711678D patent/BE711678A/xx not_active IP Right Cessation
- 1968-03-05 SE SE02864/68A patent/SE333835B/xx unknown
- 1968-03-05 FR FR1559239D patent/FR1559239A/fr not_active Expired
- 1968-03-06 JP JP1412468A patent/JPS4616014B1/ja active Pending
- 1968-03-06 DE DE1574661*CA patent/DE1574661C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4616014B1 (pl) | 1971-04-30 |
| US3503058A (en) | 1970-03-24 |
| SE333835B (pl) | 1971-03-29 |
| DE1574661C3 (de) | 1975-10-16 |
| FR1559239A (pl) | 1969-03-07 |
| DE1574661A1 (de) | 1972-07-06 |
| DE1574661B2 (de) | 1975-03-06 |
| GB1208349A (en) | 1970-10-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: WESTERN ELECTRIC CY INC. Effective date: 19840305 |