JPS538113A - Recording density judgement system for magnetic tape - Google Patents
Recording density judgement system for magnetic tapeInfo
- Publication number
- JPS538113A JPS538113A JP8189476A JP8189476A JPS538113A JP S538113 A JPS538113 A JP S538113A JP 8189476 A JP8189476 A JP 8189476A JP 8189476 A JP8189476 A JP 8189476A JP S538113 A JPS538113 A JP S538113A
- Authority
- JP
- Japan
- Prior art keywords
- recording density
- magnetic tape
- judgement system
- density judgement
- read
- Prior art date
- 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
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
PURPOSE: To carry out an automatic reference to the correcat "read" method by reading data with the assistance of the other recording density when difficult to read data by the recording density of an identification recording signal.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8189476A JPS538113A (en) | 1976-07-12 | 1976-07-12 | Recording density judgement system for magnetic tape |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8189476A JPS538113A (en) | 1976-07-12 | 1976-07-12 | Recording density judgement system for magnetic tape |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS538113A true JPS538113A (en) | 1978-01-25 |
Family
ID=13759139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8189476A Pending JPS538113A (en) | 1976-07-12 | 1976-07-12 | Recording density judgement system for magnetic tape |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS538113A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54115119A (en) * | 1978-02-28 | 1979-09-07 | Nec Corp | Recording type detector of magnetic tapes |
JPS57191810A (en) * | 1981-05-21 | 1982-11-25 | Nec Corp | Magnetic tape device capable of discriminating recording format |
JPS60224150A (en) * | 1984-04-20 | 1985-11-08 | Panafacom Ltd | Disk control system |
JPS60256986A (en) * | 1984-05-31 | 1985-12-18 | Mitsubishi Electric Corp | Reproducing device |
WO1986006535A1 (en) * | 1985-04-23 | 1986-11-06 | Dai Nippon Insatsu Kabushiki Kaisha | Method of recording data onto an optical data recording card |
JPS61253672A (en) * | 1985-05-02 | 1986-11-11 | Toshiba Corp | Recording mode automatic switching system of auxiliary memory device |
US4970712A (en) * | 1985-04-23 | 1990-11-13 | Dai Nippon Insatsu Kabushiki Kaisha | Method for recording data onto optical data recording cards using pits for indicating the center line positions of data arrays provided on said cards |
JPH05210893A (en) * | 1991-08-30 | 1993-08-20 | Internatl Business Mach Corp <Ibm> | System and method of storage on tape of various tape thickness and recording format |
-
1976
- 1976-07-12 JP JP8189476A patent/JPS538113A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54115119A (en) * | 1978-02-28 | 1979-09-07 | Nec Corp | Recording type detector of magnetic tapes |
JPS57191810A (en) * | 1981-05-21 | 1982-11-25 | Nec Corp | Magnetic tape device capable of discriminating recording format |
JPS60224150A (en) * | 1984-04-20 | 1985-11-08 | Panafacom Ltd | Disk control system |
JPS60256986A (en) * | 1984-05-31 | 1985-12-18 | Mitsubishi Electric Corp | Reproducing device |
WO1986006535A1 (en) * | 1985-04-23 | 1986-11-06 | Dai Nippon Insatsu Kabushiki Kaisha | Method of recording data onto an optical data recording card |
EP0231380A1 (en) * | 1985-04-23 | 1987-08-12 | Dai Nippon Insatsu Kabushiki Kaisha | Method of recording data onto an optical data recording card |
US4970712A (en) * | 1985-04-23 | 1990-11-13 | Dai Nippon Insatsu Kabushiki Kaisha | Method for recording data onto optical data recording cards using pits for indicating the center line positions of data arrays provided on said cards |
EP0231380B1 (en) * | 1985-04-23 | 1994-01-19 | Dai Nippon Insatsu Kabushiki Kaisha | Method of recording data onto an optical data recording card |
JPS61253672A (en) * | 1985-05-02 | 1986-11-11 | Toshiba Corp | Recording mode automatic switching system of auxiliary memory device |
JPH05210893A (en) * | 1991-08-30 | 1993-08-20 | Internatl Business Mach Corp <Ibm> | System and method of storage on tape of various tape thickness and recording format |
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