JPS539200A - Recording system of permanent file codes - Google Patents
Recording system of permanent file codesInfo
- Publication number
- JPS539200A JPS539200A JP8309076A JP8309076A JPS539200A JP S539200 A JPS539200 A JP S539200A JP 8309076 A JP8309076 A JP 8309076A JP 8309076 A JP8309076 A JP 8309076A JP S539200 A JPS539200 A JP S539200A
- Authority
- JP
- Japan
- Prior art keywords
- recording system
- permanent file
- file codes
- codes
- permanent
- 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
Abstract
PURPOSE: Positive automatic reading of permanent file codes is made possible by letting file media structural materials themselves have permanent file codes.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8309076A JPS539200A (en) | 1976-07-13 | 1976-07-13 | Recording system of permanent file codes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8309076A JPS539200A (en) | 1976-07-13 | 1976-07-13 | Recording system of permanent file codes |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS539200A true JPS539200A (en) | 1978-01-27 |
Family
ID=13792472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8309076A Pending JPS539200A (en) | 1976-07-13 | 1976-07-13 | Recording system of permanent file codes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS539200A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS548426U (en) * | 1977-06-20 | 1979-01-20 | ||
JPS55153686U (en) * | 1979-04-16 | 1980-11-06 | ||
JPS55146668A (en) * | 1979-04-27 | 1980-11-15 | Olympus Optical Co Ltd | Cassette tape |
JPS5625242A (en) * | 1979-08-07 | 1981-03-11 | Toshiba Corp | Information recording disk |
JPS60124090A (en) * | 1983-12-09 | 1985-07-02 | Pioneer Electronic Corp | Record contents reading system of recording medium |
JPH0421595A (en) * | 1990-05-11 | 1992-01-24 | Shin Etsu Chem Co Ltd | Production of mn-zn ferrite single crystal |
-
1976
- 1976-07-13 JP JP8309076A patent/JPS539200A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS548426U (en) * | 1977-06-20 | 1979-01-20 | ||
JPS55153686U (en) * | 1979-04-16 | 1980-11-06 | ||
JPS6112631Y2 (en) * | 1979-04-16 | 1986-04-19 | ||
JPS55146668A (en) * | 1979-04-27 | 1980-11-15 | Olympus Optical Co Ltd | Cassette tape |
JPS5625242A (en) * | 1979-08-07 | 1981-03-11 | Toshiba Corp | Information recording disk |
JPS60124090A (en) * | 1983-12-09 | 1985-07-02 | Pioneer Electronic Corp | Record contents reading system of recording medium |
JPH0241102B2 (en) * | 1983-12-09 | 1990-09-14 | Pioneer Electronic Corp | |
JPH0421595A (en) * | 1990-05-11 | 1992-01-24 | Shin Etsu Chem Co Ltd | Production of mn-zn ferrite single crystal |
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