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US4765076: Advertising apparatus for telephone and information display apparatus

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Filing Information

Inventor(s) Yoshiaki Sada ·
Assignee(s) Kaneken Incorporated ·
Attorney/Agent(s) Birch, Stewart, Kolasch & Birch ·
Primary Examiner Carl D. Friedman ·
Assistant Examiner Caroline D. Dennison ·
Application Number US6826996
Filing date 02/07/1986
Issue date 08/23/1988
Predicted expiration date 02/07/2006
U.S. Classifications 40/219  · 40/546  · 362/812  · 362/88  · 315/362  · 40/582  · 40/615  · 40/900  ·
International Classifications G09F 1300  ·
Kind CodeA
International Classifications 40219;553;574;615;546;582;900 ·
Foreign Priority JP6040867[U] - 03/20/1985 · JP6082308[U]JPX - 05/31/1985 ·
6 Claims, No Drawings


Abstract

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.

Independent Claims | See all claims (6)

  1. 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.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US1457347 FRANK COLLINS Collins Jun 1923
US1663030 UNDERWOOD CARL J Underwood et al. Mar 1928
US1997533 MURRAY CHARLES L Murray Apr 1935
US2095558 OBERACKER FREDERICK J Oberacker Oct 1937
US2114711 PHILIP HORINSTEIN Horinstein Apr 1938
US2221887 MULTI VUE SIGNS COMPANY INC White Nov 1940
US2247545 JAMES DECK Deck et al. Jan 1941
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US2677043 Hawk Apr 1954
US2795069 HARDESTY GEORGE K C Hardesty Jun 1957
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US3140831 WILLIAM STRANGE JOHN Strange Jul 1964
US3752974 COASTAL DYNAMICS CORP Baker et al. Aug 1973
US4337590 Jackson Jul 1982
US4386476 Schulman Jun 1983
US4564729 General Electric Company Mills Jan 1986
US4638605 Redyref-Pressed & Welded, Inc. Rosa Jan 1987

Foreign Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
FR831643Jan 1939
FR2393383BLANCHET PIERREFeb 1979
GB2141280REID MALCOLM COLINDec 1984

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