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US4765076: Advertising apparatus for telephone and information display apparatus
6 Claims, No Drawings
An advertising apparatus for a telephone includes a box provided with an advertising plate disposed in the front thereof and illuminating lamp disposed inside thereof, a power source for the illuminating lamp, detection means for detecting used and unused conditions of the telephone and a control for controlling an on and off condition of the illuminating lamp in response to an output of a detection device. An information display apparatus includes a light source, a light transmitting plate for transmitting light incident from the light source, a light scattering transmissive plate for irregularly reflecting light produced from one side surface of the light transmitting plate, an information display film disposed at the front of the light scattering plate and on which information is displayed, a light transmissive front plate disposed in the front of the information display film, a frame for supporting the preceding members and a control unit for controlling an on and off condition of the light source.
- 1. An information display apparatus comprising:at least one fluorescent light source and means for controlling the illumination of said light source includinga controller for turning said fluorescent light source ON and OFF,a signal input unit having an ON-OFF switch for controlling the operation of said controller,a timer circuit for initiating operation of said signal input unit in response to a signal from said ON-OFF switch, anda flip-flop circuit which is set by an output of said ON-OFF switch and is reset by an output of said timer circuit, said output signal of said flip-flop circuit being an input signal of said controller;a light reflecting plate;a light transmitting plate having one major surface in contact with one major surface of said light reflecting plate, said at least one fluorescent light source entering said light transmitting plate from a side end thereof and being reflected by the surface of said light reflecting plate;a lens system for focussing an image of said light source into the interior of said light transmitting plate;a milk white acryl plate as a light scattering transmissive plate disposed on another major surface of said light transmitting plate;an information display film disposed on a viewing side of said light scattering plate;a half-mirror acryl plate as a light transmissive front plate mounted over said information display film;a frame body for supporting said light reflecting plate, said light transmitting plate, said light scattering transmissive plate, and said light transmissive front plate.
U.S. Patent Documents
Foreign Patent Documents
|Document Number||Assignees||Inventors||Issue/Pub Date|
|FR2393383||BLANCHET PIERRE||Feb 1979|
|GB2141280||REID MALCOLM COLIN||Dec 1984|
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