Rotary head drum with shielding of heads and rotary transformers

Details Rotary head drum with shielding of heads and rotary transformers Rotary head drum with shielding of heads and rotary transformers

1996-12-20

1998-06-09

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

36013024, G11B 552, G11B 510

Patent

active

057644420

ABSTRACT:
A rotary cylinder device has a stationary cylinder with a stationary shaft; a rotary cylinder rotatably mounted on the stationary shaft, the rotary cylinder having an opening on one side thereof which is opposite to the other side where the rotary cylinder confronts with the stationary cylinder; a signal recording and reproducing magnetic head provided on the periphery of the rotary cylinder; an electric motor including: a rotor member of the electric motor, which is provided in the opening of the rotary cylinder and secured to the rotary cylinder; a stator member of the electric motor, which is confronted with the rotor member; and a first magnetic shielding member arranged to cover the opening of the rotary cylinder.

REFERENCES:
patent: 3995317 (1976-11-01), Schmidt
patent: 4031558 (1977-06-01), Kusaka
patent: 4251840 (1981-02-01), Maruyama et al.
patent: 4654738 (1987-03-01), Kato et al.
patent: 4706143 (1987-11-01), Asada et al.
patent: 4939607 (1990-07-01), Saito
patent: 5010432 (1991-04-01), Fukushima et al.
patent: 5019926 (1991-05-01), Van Thuijl et al.
patent: 5392180 (1995-02-01), Hasegawa

Affiliated with

Also associated with

Rating

Rotary head drum with shielding of heads and rotary transformers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary head drum with shielding of heads and rotary transformers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary head drum with shielding of heads and rotary transformers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2208103