Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1977-03-30
1979-02-06
Pitts, Harold I.
Communications: electrical
Audible indication
Percussion-type sound producer
340380, 340782, G08B 536
Patent
active
041386728
ABSTRACT:
An electrical display device in the form of a light emitting diode is included in an electrical circuit by means of a plate having a conductive surface. The diode is supported by a conductive elastomer on a terminal of said circuit and a second conductive elastomer is supported on a second terminal. The plate conductive surface is received on to span said diode and second conductive elastomer. Means are provided to maintain the conducting elements in circuit arrangement.
REFERENCES:
patent: 3786499 (1974-01-01), Jankowski
patent: 4000437 (1976-12-01), Lederhandler
patent: 4019196 (1977-04-01), Teshima
patent: 4039890 (1977-08-01), Bailey
General Time Corporation
Pitts Harold I.
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