Card – picture – or sign exhibiting – Display card – Having a curved display panel
Patent
1987-01-23
1988-06-07
Peshock, Robert
Card, picture, or sign exhibiting
Display card
Having a curved display panel
40455, 40564, A47G 106
Patent
active
047487569
ABSTRACT:
A picture frame enhanced with a light or sound generating device which is activated by a user touching a touch sensitive contact area that is incorporated as a part of the picture frame structure. Contact with the touch sensitve contact area is sensed by control circuitry which responds by activating and controlling the functioning of the light or sound enhancement.
REFERENCES:
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patent: 4299041 (1981-11-01), Wilson
patent: 4531310 (1985-07-01), Acson
patent: 4541188 (1985-09-01), Sadorus
Reynolds, P. R. G., Practical Electronics, "Ingenuity Unlimited", vol. 14, No. 5, Jan. 1978, p. 347.
Peshock Robert
Stone Cary E.
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