Signals and indicators – Bells – Gong type
Patent
1974-07-26
1976-04-06
Swisher, S. Clement
Signals and indicators
Bells
Gong type
340380, H03J 104
Patent
active
039482090
ABSTRACT:
There is provided, in accordance with this invention, an indicator apparatus comprising a sign board which is free to rotate and has a plurality of light transparent portions each being formed in a sign shape, a display board which has display perforations, a plurality of optical fibers each of which is disposed so as to be adjacent at one end to said display perforation and at the other end to said light transparent portion of said sign board, and a driving means which makes said sign board rotate.
REFERENCES:
patent: 2151275 (1939-03-01), Lesti
patent: 2898465 (1959-08-01), Carlson
patent: 3836911 (1974-09-01), Gibson
patent: 3857361 (1974-12-01), Gibson
Takemoto Shungo
Tanabe Tetuo
Corr Denis E.
Matsushita Electric - Industrial Co., Ltd.
Swisher S. Clement
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