FR2158196A1 - - Google Patents
Info
- Publication number
- FR2158196A1 FR2158196A1 FR7234258A FR7234258A FR2158196A1 FR 2158196 A1 FR2158196 A1 FR 2158196A1 FR 7234258 A FR7234258 A FR 7234258A FR 7234258 A FR7234258 A FR 7234258A FR 2158196 A1 FR2158196 A1 FR 2158196A1
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
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- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
- G11B5/2452—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track where the dimensions of the effective gap are controlled
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
-
- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/49—Fixed mounting or arrangements, e.g. one head per track
- G11B5/4969—Details for track selection or addressing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5102971A GB1357400A (en) | 1971-11-03 | 1971-11-03 | Magnetic recording and reproducing apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2158196A1 true FR2158196A1 (hu) | 1973-06-15 |
FR2158196B1 FR2158196B1 (hu) | 1976-01-30 |
Family
ID=10458359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7234258A Expired FR2158196B1 (hu) | 1971-11-03 | 1972-09-20 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5529489B2 (hu) |
DE (1) | DE2242095A1 (hu) |
FR (1) | FR2158196B1 (hu) |
GB (1) | GB1357400A (hu) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0040994A1 (fr) * | 1980-04-02 | 1981-12-02 | COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) | Transducteur magnétique à entrefer de grande dimension variable pour la lecture ou l'écriture des informations d'un support magnétique |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5165613A (ja) * | 1974-12-04 | 1976-06-07 | Hitachi Ltd | Tasoshigatahakumakuhetsudo |
DE3204183A1 (de) * | 1982-02-06 | 1983-08-11 | Robert Bosch Gmbh, 7000 Stuttgart | Duennschicht-magnetkopf |
GB0722956D0 (en) * | 2007-11-22 | 2008-01-02 | Barnes Charles F J | Magnetic write head |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1179267A (fr) * | 1956-02-16 | 1959-05-22 | Ibm | Sélecteur pour un enregistrement sur pistes multiples dans un système de mémoire magnétique |
FR1520060A (fr) * | 1967-04-20 | 1968-04-05 | Sperry Rand Corp | Tête magnétique en fil plaqué |
-
1971
- 1971-11-03 GB GB5102971A patent/GB1357400A/en not_active Expired
-
1972
- 1972-08-26 DE DE19722242095 patent/DE2242095A1/de active Pending
- 1972-09-20 FR FR7234258A patent/FR2158196B1/fr not_active Expired
- 1972-10-27 JP JP10728272A patent/JPS5529489B2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1179267A (fr) * | 1956-02-16 | 1959-05-22 | Ibm | Sélecteur pour un enregistrement sur pistes multiples dans un système de mémoire magnétique |
FR1520060A (fr) * | 1967-04-20 | 1968-04-05 | Sperry Rand Corp | Tête magnétique en fil plaqué |
Non-Patent Citations (5)
Title |
---|
*REVUE AMERICAINE "IBM TECHNICAL DISCLOSURE BULLETIN", VOL 15, NO. 1, JUIN 1972, PAGES 328-329 * |
ARTICLE "ALIGMENT OF READ-WRITE HEADS IN SILDERS", LANDLER * |
ARTICLE "WRITE WIDE * |
READ NARROW-TUNNEL ERASE MAGNETIC HEAD", SHELLEDY ) * |
REVUE AMERICAINE "IBM TECHNICAL DISCLOSURE BULLETIN", VOL 11, NO. 12, MAI 1969, PAGES 1792-1793 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0040994A1 (fr) * | 1980-04-02 | 1981-12-02 | COMPAGNIE INTERNATIONALE POUR L'INFORMATIQUE CII - HONEYWELL BULL (dite CII-HB) | Transducteur magnétique à entrefer de grande dimension variable pour la lecture ou l'écriture des informations d'un support magnétique |
Also Published As
Publication number | Publication date |
---|---|
DE2242095A1 (de) | 1973-05-10 |
FR2158196B1 (hu) | 1976-01-30 |
GB1357400A (en) | 1974-06-19 |
JPS4858816A (hu) | 1973-08-17 |
JPS5529489B2 (hu) | 1980-08-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |