Dynamic information storage or retrieval – Sound reproduction for toy or novelty device – Manual motion application
Patent
1981-05-26
1983-04-26
Stephan, Steven L.
Dynamic information storage or retrieval
Sound reproduction for toy or novelty device
Manual motion application
G11B 100, G11B 300
Patent
active
043815588
ABSTRACT:
A talking greeting card has a front display panel and overlapping rear panels adapted to lie substantially flat in one configuration. The front panel may be bowed in convex shape and held in such second configuration by tabs which secure the rear panels together in tension. A flexible sound record strip extends through a slot in the bowed front panel and has a surface prepared to produce sounds when a sliding element, such as the thumb nail of a user, moves along the surface. The sound is amplified by the bowed front wall and overlapping rear walls which act as a sound amplifier.
REFERENCES:
patent: 695159 (1902-03-01), Lambert
patent: 2042736 (1936-06-01), Schwartz
patent: 2164663 (1939-07-01), Ottofy
patent: 2292285 (1942-08-01), Ottofy
patent: 2491037 (1949-12-01), Dofsen
patent: 2997306 (1961-08-01), Hicks
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