Magnetic head assembly and method for reading and/or writing dat

Details Magnetic head assembly and method for reading and/or writing dat Magnetic head assembly and method for reading and/or writing dat

1995-04-13

1997-11-04

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360 3, 360122, G11B 1560

Patent

active

056846614

ABSTRACT:
A method and apparatus for reading and/or recording information on a photographic element having a thin magnetic layer. The apparatus includes a magnetic head assembly having a read and/or write head having an outer engaging surface for contacting the magnetic layer. The outer engaging surface has at least one pole for reading or writing information on the magnetic layer and a protective layer and is made of a material having a Vickers hardness equal to or greater than 1000 kg/mm.sup.2. A spring is provided for applying a substantially perpendicular loading force between the photographic element and the magnetic read and/or write head. The substantially perpendicular loading being equal to or greater than about 10 gm/mm.sup.2.

REFERENCES:
patent: 3665436 (1972-05-01), Murray et al.
patent: 4141735 (1979-02-01), Schrader et al.
patent: 4308564 (1981-12-01), Thompson
patent: 4425594 (1984-01-01), Kodjabashev et al.
patent: 4555443 (1985-11-01), Kikugawa et al.
patent: 4745509 (1988-05-01), Wantanabe et al.
patent: 4821134 (1989-04-01), Niwa
patent: 4972219 (1990-11-01), Yamada et al.
patent: 5031064 (1991-07-01), Ashikawa et al.
patent: 5035948 (1991-07-01), Saito et al.
patent: 5050027 (1991-09-01), Meunier et al.
patent: 5274522 (1993-12-01), Taillie
patent: 5285324 (1994-02-01), Weigand et al.
patent: 5294473 (1994-03-01), Kawamoto
patent: 5313327 (1994-05-01), Kammerer
patent: 5368997 (1994-11-01), Kawamoto
patent: 5395743 (1995-03-01), Brick et al.
patent: 5469313 (1995-11-01), Isozaki et al.

Affiliated with

Also associated with

Rating

Magnetic head assembly and method for reading and/or writing dat does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic head assembly and method for reading and/or writing dat, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic head assembly and method for reading and/or writing dat will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1837698