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US4934079A Expired / Lapsed US ⏱️ 0.0 years remaining

Display panel device

Assignee: Individual
•
Filing: 1988-09-07
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Granted: 1990-06-19
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Expires: 2008-09-07
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Abstract

Abstract A display panel device includes a display panel having a sensor sensitive to light, sound, heat and so on and a recorder/playback combination attached thereto. As an object transparent to or shielding light and generating sound or heat approaches the panel, the sensor is automatically actuated to give an automatic actuation to the recorder/playback combination, thereby reproducing music or sound from the surface of the display panel.

Inventors

  • 👤 Hatsuo Hoshi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:13
CPC Classifications
G; G09; G09F; G09F27/00; G09F27/005; G09F2027/001; Y; Y10; Y10S; Y10S40/00; Y10S40/902

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 109 words
A display panel device comprising: a display panel for displaying thereon a photograph or poster; light-detecting sensor means mounted on said display panel; recording and playback means mounted on said display panel and actuated by said light-detecting sensor for recording a preselected audio message and playing said message upon activation by said light-detecting sensor means; speaker means operably coupled to said recording and playback means; a power source for said recorder and playback means mounted on said display panel; and a variable-angle ccd camera detachably mounted on said display panel, with at least one portion of said display panel being adapted to display visual output of said ccd camera.
Claim 2
Dependent Claim 109 words
A display panel device comprising: a display panel for displaying thereon a photograph or poster; light-detecting sensor means mounted on said display panel; recording and playback means mounted on said display panel and actuated by said light-detecting sensor for recording a preselected audio message and playing said message upon activation by said light-detecting sensor means; speaker means operably coupled to said recording and playback means; a power source for said recorder and playback means mounted on said display panel; and a variable-angle ccd camera detachably mounted on said display panel, with at least one portion of said display panel being adapted to display visual output of said ccd camera.
Claim 3
Dependent Claim 29 words
The display panel of claim 1 wherein said display panel is comprised of a material selected from the group consisting of paper, plastics, wood, and ferrous and non-ferrous metals.

References Cited (Backward Citations)

DE2710876A1 Cited
WO1983002029A1 Cited
US4670798A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-06-18 1993-12-18 1994-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-06-18 1997-12-18 1998-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-06-18 2001-12-18 2002-06-19 $7700.00 Window Closed / Lapsed

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