HK887A - Real time magnetic video digital recording and reproducing apparatus - Google Patents
Real time magnetic video digital recording and reproducing apparatusInfo
- Publication number
- HK887A HK887A HK8/87A HK887A HK887A HK 887 A HK887 A HK 887A HK 8/87 A HK8/87 A HK 8/87A HK 887 A HK887 A HK 887A HK 887 A HK887 A HK 887A
- Authority
- HK
- Hong Kong
- Prior art keywords
- real time
- reproducing apparatus
- digital recording
- video digital
- time magnetic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
- G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
- G11B5/5556—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means with track following after a "seek"
- G11B5/556—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means with track following after a "seek" control circuits therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/874,440 US4208680A (en) | 1978-02-02 | 1978-02-02 | Real time magnetic video digital recording and reproducing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK887A true HK887A (en) | 1987-01-09 |
Family
ID=25363776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK8/87A HK887A (en) | 1978-02-02 | 1987-01-02 | Real time magnetic video digital recording and reproducing apparatus |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4208680A (en) |
| JP (1) | JPS54107211A (en) |
| GB (1) | GB2023905B (en) |
| HK (1) | HK887A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1159949A (en) * | 1980-04-18 | 1984-01-03 | Yoshitaka Hashimoto | Digital video data recording apparatus |
| JPS5812149A (en) * | 1981-07-15 | 1983-01-24 | Nippon Columbia Co Ltd | Video disk and its recorder |
| JPS59141882A (en) * | 1983-02-03 | 1984-08-14 | Matsushita Electric Ind Co Ltd | Recording system |
| JPS62269483A (en) * | 1986-05-16 | 1987-11-21 | Canon Inc | Video signal reproducing device |
| US4804894A (en) * | 1986-06-10 | 1989-02-14 | Sony Corporation | Motor rotation servo control apparatus |
| JPH0713328Y2 (en) * | 1986-09-24 | 1995-03-29 | シャープ株式会社 | Disk playback device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3699555A (en) * | 1970-10-23 | 1972-10-17 | Zerox Corp | Apparatus for rapid action displacement control |
| US3838457A (en) * | 1973-07-05 | 1974-09-24 | Ibm | Track seeking and following servo system |
| US4031433A (en) * | 1974-05-30 | 1977-06-21 | General Electric Company | Insulative modular mounting panels for electrical switchboards |
| US4030132A (en) * | 1975-03-27 | 1977-06-14 | Memorex Corporation | Dual mode velocity servo control for a linear actuator motor |
| US3994016A (en) * | 1975-03-31 | 1976-11-23 | Honeywell Information Systems, Inc. | Head positioning servo system for disk drives |
-
1978
- 1978-02-02 US US05/874,440 patent/US4208680A/en not_active Expired - Lifetime
- 1978-12-25 JP JP16458878A patent/JPS54107211A/en active Granted
-
1979
- 1979-02-01 GB GB7903527A patent/GB2023905B/en not_active Expired
-
1987
- 1987-01-02 HK HK8/87A patent/HK887A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4208680A (en) | 1980-06-17 |
| JPS54107211A (en) | 1979-08-22 |
| GB2023905B (en) | 1982-03-10 |
| JPS647546B2 (en) | 1989-02-09 |
| GB2023905A (en) | 1980-01-03 |
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