Telephonic communications – Substation or terminal circuitry – Visual signalling
Patent
1985-08-30
1987-07-07
Dwyer, James L.
Telephonic communications
Substation or terminal circuitry
Visual signalling
379429, 379376, H04M 100
Patent
active
046792317
ABSTRACT:
A casing for an auxiliary device to optically display an incoming telephone call includes a bottom portion which is detachably connected to a cover portion. Accommodated in the so-formed interior space is a frame which carries a plurality of reflectors spaced along its periphery and reflecting the light towards the outside through a viewing window of the cover portion. For supporting a print card within the interior space, the frame is provided with inwardly projecting clamps each of which having two shanks to hold the print card therebetween.
REFERENCES:
patent: 2616972 (1952-11-01), McNutt
patent: 4353109 (1982-10-01), Weber
patent: 4578542 (1986-03-01), Alderman
Dubno Herbert
Dwyer James L.
Reichle+De Massari AG Elektroingenieure
Ross Karl F.
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