JPS5159612A - - Google Patents
Info
- Publication number
- JPS5159612A JPS5159612A JP50118218A JP11821875A JPS5159612A JP S5159612 A JPS5159612 A JP S5159612A JP 50118218 A JP50118218 A JP 50118218A JP 11821875 A JP11821875 A JP 11821875A JP S5159612 A JPS5159612 A JP S5159612A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/510,852 US3974523A (en) | 1974-09-30 | 1974-09-30 | Speed invariant decoding of digital information from a magnetic tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5159612A true JPS5159612A (enExample) | 1976-05-24 |
Family
ID=24032466
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50118218A Pending JPS5159612A (enExample) | 1974-09-30 | 1975-09-30 | |
| JP1980084095U Pending JPS562120U (enExample) | 1974-09-30 | 1980-06-16 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980084095U Pending JPS562120U (enExample) | 1974-09-30 | 1980-06-16 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3974523A (enExample) |
| JP (2) | JPS5159612A (enExample) |
| AU (1) | AU8525475A (enExample) |
| CA (1) | CA1068814A (enExample) |
| DE (1) | DE2541345A1 (enExample) |
| FR (1) | FR2286553A1 (enExample) |
| GB (1) | GB1486655A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297729A (en) * | 1977-11-24 | 1981-10-27 | Emi Limited | Encoding and decoding of digital recordings |
| US4426667A (en) | 1978-05-17 | 1984-01-17 | Savin Corporation | Pulse width modulation system |
| US4222080A (en) * | 1978-12-21 | 1980-09-09 | International Business Machines Corporation | Velocity tolerant decoding technique |
| AT375486B (de) * | 1982-12-07 | 1984-08-10 | Philips Nv | System zum aufzeichnen und/oder auswerten von zwei markiersignalen |
| US4780772A (en) * | 1985-09-13 | 1988-10-25 | Hitachi, Ltd. | Apparatus for reproducing digital signals from a digital audio recording medium |
| US5229894A (en) * | 1988-02-16 | 1993-07-20 | M.R. Sensors Limited | Method and apparatus for reading and decoding information using a magnetoresistive sensor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3597752A (en) * | 1969-09-17 | 1971-08-03 | Burroughs Corp | Fm magnetic recording and sensing utilizing bit periods of different lengths |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3235855A (en) * | 1961-10-02 | 1966-02-15 | Honeywell Inc | Binary magnetic recording apparatus |
| NL6700438A (enExample) * | 1966-02-21 | 1967-08-22 | ||
| US3646534A (en) * | 1969-05-05 | 1972-02-29 | Wendell S Miller | High-density data processing |
| US3711843A (en) * | 1970-04-27 | 1973-01-16 | Olivetti & Co Spa | Self-adapting synchronization system for reading information from a moving support |
| US3644910A (en) * | 1970-09-16 | 1972-02-22 | Computer Mate Inc | Readout circuitry with compensation for speed variations |
| US3720927A (en) * | 1971-01-25 | 1973-03-13 | Redactron Corp | Speed insensitive reading and writing apparatus for digital information |
| US3763353A (en) * | 1971-09-27 | 1973-10-02 | E Nassimbene | Retrospective pulse modulation decoding apparatus |
| US3727202A (en) * | 1972-01-10 | 1973-04-10 | Telex Computer Products | Application of an automatic pulse width controlled, monostable multivibrator for detecting phase encoded information on magnetic tape |
| US3862400A (en) * | 1972-03-31 | 1975-01-21 | Electronics Corp America | Sensing system for bar patterns |
-
1974
- 1974-09-30 US US05/510,852 patent/US3974523A/en not_active Expired - Lifetime
-
1975
- 1975-09-08 GB GB36895/75A patent/GB1486655A/en not_active Expired
- 1975-09-12 CA CA235,522A patent/CA1068814A/en not_active Expired
- 1975-09-17 DE DE19752541345 patent/DE2541345A1/de active Pending
- 1975-09-26 FR FR7529587A patent/FR2286553A1/fr active Granted
- 1975-09-29 AU AU85254/75A patent/AU8525475A/en not_active Expired
- 1975-09-30 JP JP50118218A patent/JPS5159612A/ja active Pending
-
1980
- 1980-06-16 JP JP1980084095U patent/JPS562120U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3597752A (en) * | 1969-09-17 | 1971-08-03 | Burroughs Corp | Fm magnetic recording and sensing utilizing bit periods of different lengths |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2541345A1 (de) | 1976-04-15 |
| FR2286553A1 (fr) | 1976-04-23 |
| JPS562120U (enExample) | 1981-01-09 |
| FR2286553B3 (enExample) | 1977-10-21 |
| AU8525475A (en) | 1977-04-07 |
| CA1068814A (en) | 1979-12-25 |
| GB1486655A (en) | 1977-09-21 |
| US3974523A (en) | 1976-08-10 |