Dynamic magnetic information storage or retrieval – Head – Plural gaps
Patent
1977-03-04
1978-10-03
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Head
Plural gaps
360123, 360125, G11B 520, G11B 528
Patent
active
041187474
ABSTRACT:
A composite magnetic head including a record/playback gap and an erase gap comprises a straight central core, a pair of arcuate lateral cores having their ends disposed in opposing relationship with the opposite ends of the central core disposed therebetween, each of the lateral cores being formed with a bobbin carrying portion at its one end which extends in a direction perpendicular to the length of the central core, a bobbin having a central flange and a pair of flanges at the opposite ends, the central flange being formed with an opening for receiving the central core and the bobbin being formed with a slot extending through the entire length of the bobbin including the flanges at the opposite ends for receiving the lateral cores, the slot extending in a direction perpendicular to the opening which receives the central core, and a pair of coils disposed between the central flange and the respective end flanges, the central core and the lateral cores forming a record/playback gap and an erase head at their one end when the cores and the bobbin are assembled together by inserting the remote end of the central core into the opening and inserting one end of the lateral cores into the slot.
REFERENCES:
patent: 2418542 (1947-04-01), Camras
patent: 3969770 (1976-07-01), Cavallari
patent: 4012783 (1977-03-01), Hanaoka
IBM Tech. Disc. Bulletin, W. M. Arrington et al, Cross Pole Magnetic Head, vol. 15, No. 6, Nov. 1972, p. 1872.
Hanaoka Naohiro
Shimoda Misao
Eddleman Alfred H.
Olympus Optical Co,. Ltd.
LandOfFree
Composite magnetic head does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Composite magnetic head, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Composite magnetic head will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1805112