04102569 is referenced by 12 patents and cites 8 patents.

There is disclosed sound slide assemblages which comprise a generally rectangular body incorporating an image bearing portion and a magnetic sound track portion. The image bearing portion is adapted to receive either a mounted or unmounted transparency. The sound track portion is contiguous to the image bearing portion and is capable of receiving sound tracks having various configurations such as spiral, arcuate, parallel and sinuous. The assemblages are characterized by their thinness and simplicity of structure.

Title
Sound slide
Application Number
5/720951
Publication Number
4102569
Application Date
September 7, 1976
Publication Date
July 25, 1978
Inventor
Morris Schwartz
Plainville
CT, US
Agent
Hane Roberts Spiecens & Cohen
Assignee
Kalart Victor Corporation
CT, US
IPC
G03B 31/06
G03B 21/02
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