FR979893A - Perfectionnement aux circuits magnétiques pour têtes d'enregistrement et de reproduction d'appareils sonores à fil ou ruban magnétique
- Google Patents
Perfectionnement aux circuits magnétiques pour têtes d'enregistrement et de reproduction d'appareils sonores à fil ou ruban magnétique
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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PROCEDES MAGNETIQUES FRANCAIS
Original Assignee
PROCEDES MAGNETIQUES FRANCAIS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PROCEDES MAGNETIQUES FRANCAISfiledCriticalPROCEDES MAGNETIQUES FRANCAIS
Application grantedgrantedCritical
Publication of FR979893ApublicationCriticalpatent/FR979893A/fr
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
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
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR979893D1949-02-021949-02-02Perfectionnement aux circuits magnétiques pour têtes d'enregistrement et de reproduction d'appareils sonores à fil ou ruban magnétique
ExpiredFR979893A
(fr)