NL271971A - - Google Patents
Info
- Publication number
- NL271971A NL271971A NL271971DA NL271971A NL 271971 A NL271971 A NL 271971A NL 271971D A NL271971D A NL 271971DA NL 271971 A NL271971 A NL 271971A
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72747A US3248717A (en) | 1960-11-30 | 1960-11-30 | Magnetic recording system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL271971A true NL271971A (forum.php) |
Family
ID=22109503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL271971D NL271971A (forum.php) | 1960-11-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3248717A (forum.php) |
| DE (1) | DE1424445A1 (forum.php) |
| GB (1) | GB973366A (forum.php) |
| NL (1) | NL271971A (forum.php) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3336595A (en) * | 1963-08-08 | 1967-08-15 | Potter Instrument Co Inc | Multivibrator drive circuit for a recording head |
| US3348219A (en) * | 1963-12-13 | 1967-10-17 | Hughes Aircraft Co | Magnetic head transient minimization circuitry |
| US3344417A (en) * | 1964-05-25 | 1967-09-26 | Honeywell Inc | Digital magnetic recording verification |
| US4038691A (en) * | 1976-03-26 | 1977-07-26 | Gerry Martin E | Still image slide combination with sequentially activated audio channels per slide |
| US4063293A (en) * | 1976-04-19 | 1977-12-13 | Sperry Rand Corporation | Magnetic head switching matrix with bi-directional current capability |
| JPH0668810B2 (ja) * | 1985-09-30 | 1994-08-31 | 株式会社東芝 | フロッピーディスク装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1883613A (en) * | 1931-09-05 | 1932-10-18 | Union Switch & Signal Co | Voltage regulating apparatus |
| US2698875A (en) * | 1950-03-24 | 1955-01-04 | Magnecord Inc | Plural track magnetic recording and/or reproducing apparatus |
| GB719281A (en) * | 1952-09-11 | 1954-12-01 | British Broadcasting Corp | Improvements in magnetic recording and reproducing apparatus |
| NL95310C (forum.php) * | 1956-06-05 | |||
| NL218713A (forum.php) * | 1956-10-08 |
-
0
- NL NL271971D patent/NL271971A/xx unknown
-
1960
- 1960-11-30 US US72747A patent/US3248717A/en not_active Expired - Lifetime
-
1961
- 1961-11-09 GB GB40192/61A patent/GB973366A/en not_active Expired
- 1961-11-27 DE DE19611424445 patent/DE1424445A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3248717A (en) | 1966-04-26 |
| GB973366A (en) | 1964-10-28 |
| DE1424445B2 (forum.php) | 1970-10-01 |
| DE1424445A1 (de) | 1969-03-20 |