JPS52111707A - Magnetic memory of rotary body type - Google Patents
Magnetic memory of rotary body typeInfo
- Publication number
- JPS52111707A JPS52111707A JP2808276A JP2808276A JPS52111707A JP S52111707 A JPS52111707 A JP S52111707A JP 2808276 A JP2808276 A JP 2808276A JP 2808276 A JP2808276 A JP 2808276A JP S52111707 A JPS52111707 A JP S52111707A
- Authority
- JP
- Japan
- Prior art keywords
- rotary body
- magnetic memory
- body type
- synchronism
- rotations
- 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 make the recorded density of the written data on a track constant at all times by controlling the output frequency of a voltage control oscillator, which is operative to produce a writing clock, by the use of a speed detecting signal which is produced in synchronism with the rotations of a rotary body.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2808276A JPS52111707A (en) | 1976-03-17 | 1976-03-17 | Magnetic memory of rotary body type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2808276A JPS52111707A (en) | 1976-03-17 | 1976-03-17 | Magnetic memory of rotary body type |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52111707A true JPS52111707A (en) | 1977-09-19 |
Family
ID=12238847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2808276A Pending JPS52111707A (en) | 1976-03-17 | 1976-03-17 | Magnetic memory of rotary body type |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52111707A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534799A (en) * | 1991-08-01 | 1993-02-12 | Fuji Photo Film Co Ltd | Camera system |
-
1976
- 1976-03-17 JP JP2808276A patent/JPS52111707A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534799A (en) * | 1991-08-01 | 1993-02-12 | Fuji Photo Film Co Ltd | Camera system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5232330A (en) | Superposition recording device | |
JPS5369617A (en) | Automatic tracking apparatus | |
JPS52111707A (en) | Magnetic memory of rotary body type | |
JPS5216933A (en) | Information management apparatus | |
JPS5231626A (en) | Magnetic bubble cassette memory | |
JPS5252678A (en) | Travelling recorder | |
JPS5317045A (en) | Information retrieval method and its device | |
JPS5367324A (en) | Magnetic bubble cassette memory | |
JPS5432309A (en) | Magnetic data write apparatus | |
JPS5370415A (en) | Synchronizing circuit for magnetic memory | |
JPS5320911A (en) | Magnetic recording information reading system | |
JPS5230336A (en) | Information writing device of magnetic pulse | |
JPS5273712A (en) | Magnetic recording and playback apparatus | |
JPS5374008A (en) | Servo signal writing method | |
JPS5366131A (en) | Magnetic disc memory control unit | |
JPS52119914A (en) | Recording system of magnetic memory device | |
JPS5210116A (en) | Magnetized memory reading device | |
JPS51112315A (en) | Recording method for magnetic memory device | |
JPS5433629A (en) | Information reproducing lircuit | |
JPS5339710A (en) | Magnetic recorder | |
JPS52126246A (en) | Recorder | |
JPS5358210A (en) | Information recording and reproduction system | |
JPS567286A (en) | Information writing system of magnetic bubble memory unit | |
JPS5378815A (en) | Magnetic image recording and reproducing system of rotary head type | |
JPS5432025A (en) | Magnetic data writing device |