FR2246925B1 - - Google Patents
Info
- Publication number
- FR2246925B1 FR2246925B1 FR7433233A FR7433233A FR2246925B1 FR 2246925 B1 FR2246925 B1 FR 2246925B1 FR 7433233 A FR7433233 A FR 7433233A FR 7433233 A FR7433233 A FR 7433233A FR 2246925 B1 FR2246925 B1 FR 2246925B1
- Authority
- FR
- France
- 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.)
- Expired
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
- G11B5/027—Analogue recording
- G11B5/03—Biasing
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11086773A JPS531646B2 (fr) | 1973-10-02 | 1973-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2246925A1 FR2246925A1 (fr) | 1975-05-02 |
FR2246925B1 true FR2246925B1 (fr) | 1978-06-09 |
Family
ID=14546682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7433233A Expired FR2246925B1 (fr) | 1973-10-02 | 1974-10-02 |
Country Status (8)
Country | Link |
---|---|
US (1) | US3961374A (fr) |
JP (1) | JPS531646B2 (fr) |
CA (1) | CA1028424A (fr) |
DE (1) | DE2446879A1 (fr) |
FR (1) | FR2246925B1 (fr) |
GB (1) | GB1476154A (fr) |
IT (1) | IT1022571B (fr) |
NL (1) | NL7413027A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4146956A (en) * | 1976-04-09 | 1979-04-03 | Tokyo Shibaura Electric Co., Ltd. | Method for manufacturing a multipolar erasing head |
JPS5577025A (en) * | 1978-12-01 | 1980-06-10 | Tdk Corp | Erasing head |
JPS58215717A (ja) * | 1982-06-09 | 1983-12-15 | Hitachi Ltd | 磁気ヘツド |
JPS6061910A (ja) * | 1983-09-16 | 1985-04-09 | Mitsubishi Electric Corp | 磁気ヘツド組立体 |
US5068959A (en) * | 1988-07-11 | 1991-12-03 | Digital Equipment Corporation | Method of manufacturing a thin film head |
EP0351048A3 (fr) * | 1988-07-11 | 1992-04-08 | Digital Equipment Corporation | Tête d'enregistrement pour l'enregistrement à grande densité |
JP2006034692A (ja) * | 2004-07-28 | 2006-02-09 | Aruze Corp | 遊技機 |
JP2010277624A (ja) * | 2009-05-26 | 2010-12-09 | Toshiba Storage Device Corp | 磁気記録装置、ヘッド評価装置、スピンスタンド装置およびライトポールイレーズ評価方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2546927A (en) * | 1947-09-13 | 1951-03-27 | Indiana Steel Products Co | Polarizing head for magnetic recorders |
NL78443C (fr) * | 1950-01-20 | |||
US2908768A (en) * | 1955-04-13 | 1959-10-13 | Steinegger Giovanni | Device for demagnetizing the magnetized wire of a sound recording and reproducing apparatus |
JPS549044B1 (fr) * | 1970-05-21 | 1979-04-20 |
-
1973
- 1973-10-02 JP JP11086773A patent/JPS531646B2/ja not_active Expired
-
1974
- 1974-09-27 US US05/509,946 patent/US3961374A/en not_active Expired - Lifetime
- 1974-09-30 GB GB4228674A patent/GB1476154A/en not_active Expired
- 1974-10-01 DE DE19742446879 patent/DE2446879A1/de not_active Ceased
- 1974-10-01 CA CA210,506A patent/CA1028424A/fr not_active Expired
- 1974-10-02 NL NL7413027A patent/NL7413027A/xx not_active Application Discontinuation
- 1974-10-02 IT IT28016/74A patent/IT1022571B/it active
- 1974-10-02 FR FR7433233A patent/FR2246925B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2246925A1 (fr) | 1975-05-02 |
NL7413027A (nl) | 1975-04-04 |
JPS5062423A (fr) | 1975-05-28 |
DE2446879A1 (de) | 1975-04-10 |
CA1028424A (fr) | 1978-03-21 |
JPS531646B2 (fr) | 1978-01-20 |
US3961374A (en) | 1976-06-01 |
GB1476154A (en) | 1977-06-10 |
IT1022571B (it) | 1978-04-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |