Dynamic magnetic information storage or retrieval – Head – Core
Patent
1975-07-31
1977-05-10
Grieb, William H.
Dynamic magnetic information storage or retrieval
Head
Core
35 35C, 360 93, G09B 506
Patent
active
040219321
ABSTRACT:
An amusement and educational audiovisual device consisting of what is commonly referred to in the art as a talking book and a playback device adapted to be utilized in conjunction with a plurality of different talking books. The talking book of the invention is of book-like appearance and includes a front cover and such printed material as may be necessary to convey the visual message intended. Appended to the front cover and printed material is the back portion of the talking book which consists of a tape container. The tape container is provided with an opening therein adapted to receive the transducer head and capstan of the playback device and is of such simple construction as to be usable by very young or handicapped children. Various types of biasing means are provided in the alternative embodiments of the talking book and playback device to insure registry of the tape with the transducer head and capstan drive of the playback device.
REFERENCES:
patent: 3319012 (1967-05-01), Reed et al.
patent: 3322906 (1967-05-01), Rothman
patent: 3340369 (1967-09-01), Seidl
patent: 3641684 (1972-02-01), Paige
LandOfFree
Audiovisual device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Audiovisual device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Audiovisual device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1976598