SE337138B - - Google Patents
Info
- Publication number
- SE337138B SE337138B SE00360/69A SE36069A SE337138B SE 337138 B SE337138 B SE 337138B SE 00360/69 A SE00360/69 A SE 00360/69A SE 36069 A SE36069 A SE 36069A SE 337138 B SE337138 B SE 337138B
- Authority
- SE
- Sweden
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/093—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing driving condition of record carrier, e.g. travel, tape tension
-
- 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
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
- G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69785368A | 1968-01-15 | 1968-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE337138B true SE337138B (xx) | 1971-07-26 |
Family
ID=24802858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE00360/69A SE337138B (xx) | 1968-01-15 | 1969-01-13 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3571685A (xx) |
| BE (1) | BE725191A (xx) |
| CH (1) | CH477739A (xx) |
| ES (1) | ES362480A1 (xx) |
| FR (1) | FR1600542A (xx) |
| GB (1) | GB1247537A (xx) |
| NL (1) | NL6817323A (xx) |
| SE (1) | SE337138B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1290090A (xx) * | 1970-03-30 | 1972-09-20 | ||
| US3713137A (en) * | 1970-11-23 | 1973-01-23 | Harnischfeger Corp | Digital to analog converter |
| US3725655A (en) * | 1971-06-24 | 1973-04-03 | Ibm | Media transport performance measurements |
| US3737751A (en) * | 1971-06-24 | 1973-06-05 | Ibm | Servomechanism stop control |
| US3731176A (en) * | 1972-04-21 | 1973-05-01 | Ibm | Deceleration and stop-lock motor control apparatus |
| FR2373108A1 (fr) * | 1976-12-01 | 1978-06-30 | Crouy Chanel Remy De | Servomecanisme telecommandable |
| US4125881A (en) * | 1977-05-19 | 1978-11-14 | International Business Machines Corporation | Tape motion control for reel-to-reel drive |
| US4234833A (en) * | 1978-01-19 | 1980-11-18 | A. E. Moore Company, Inc. | Door operator system using counter circuit for determining limit positions |
| JPS591676B2 (ja) * | 1979-08-24 | 1984-01-13 | 株式会社三井三池製作所 | 採鉱機械のウインチ制御方法 |
| US4866547A (en) * | 1988-04-01 | 1989-09-12 | Rodal David R | Circuit for detecting the end of a tape by counting reel revolutions |
| JP3013775B2 (ja) * | 1996-04-11 | 2000-02-28 | 日本精機株式会社 | ステッピングモータ式計器の駆動装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2537427A (en) * | 1949-09-19 | 1951-01-09 | North American Aviation Inc | Digital servo |
| US2727194A (en) * | 1951-10-16 | 1955-12-13 | North American Aviation Inc | Double digital servo |
| US2878434A (en) * | 1954-05-10 | 1959-03-17 | North American Aviation Inc | Error sensing servo component |
| US2947929A (en) * | 1955-12-23 | 1960-08-02 | North American Aviation Inc | Digital-analog servo circuit |
| US2926335A (en) * | 1956-03-02 | 1960-02-23 | North American Aviation Inc | Electronic direction circuit |
| US3206665A (en) * | 1962-12-19 | 1965-09-14 | Lear Siegler Inc | Digital speed controller |
| US3309597A (en) * | 1964-04-20 | 1967-03-14 | Potter Instrument Co Inc | Motor acceleration control system |
| US3328658A (en) * | 1964-07-02 | 1967-06-27 | Ibm | System for controlling stepper motor starting and stopping operations |
-
1968
- 1968-01-15 US US697853A patent/US3571685A/en not_active Expired - Lifetime
- 1968-12-04 NL NL6817323A patent/NL6817323A/xx not_active Application Discontinuation
- 1968-12-10 BE BE725191D patent/BE725191A/xx unknown
- 1968-12-11 GB GB58871/68A patent/GB1247537A/en not_active Expired
- 1968-12-13 FR FR1600542D patent/FR1600542A/fr not_active Expired
- 1968-12-30 CH CH1942068A patent/CH477739A/de not_active IP Right Cessation
-
1969
- 1969-01-13 SE SE00360/69A patent/SE337138B/xx unknown
- 1969-01-14 ES ES362480A patent/ES362480A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES362480A1 (es) | 1970-12-01 |
| DE1901809A1 (de) | 1969-09-11 |
| NL6817323A (xx) | 1969-07-17 |
| DE1901809B2 (de) | 1977-01-20 |
| BE725191A (xx) | 1969-05-16 |
| GB1247537A (en) | 1971-09-22 |
| US3571685A (en) | 1971-03-23 |
| FR1600542A (xx) | 1970-07-27 |
| CH477739A (de) | 1969-08-31 |