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US4933755A Expired / Lapsed US ⏱️ 0.0 years remaining

Head mounted stereoscopic television viewer

Assignee: Individual
•
Filing: 1989-02-15
•
Granted: 1990-06-12
•
Expires: 2009-02-15
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Abstract

Abstract A head mounted stereoscopic television viewer is provided and consists of a holding member to be worn on the head of a person, two television receivers for receiving two images of three dimensional video signals, two liquid crystal display units for displaying the two images of three dimensional video signals and a pair of convex lenses positioned between the display panels and eyes of the person to enlarge each image for each eye. The viewer will also include earphones to receive stereo audio signals from the television receivers.

Inventors

  • 👤 Thomas R. Dahl
  • 👤 George Spector

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 14:00
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/01; G02B27/017; G02B30/00; G02B30/20; G02B30/34; H; H04; H04N; H04N13/00; H04N13/30; H04N13/332; H04N13/344; H04N13/10; H04N13/194; H04N13/398

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 272 words
A head mounted stereoscopic television viewer comprising: (a) a holding member adapted to be worn on the head and around eyes of a user; (b) a pair of symmetrically spaced television receivers, mounted at a front end of said holding member whereby one of said receivers is for receiving first image of three dimensional video signals while other of said receivers is for receiving second image of the three dimensional video signals; (c) a pair of liquid crystal display units each extending from said receivers mounted in a side by side symmetric spaced relationship on said holding member each of said display units having a screen disposed along the line of sight, associated with one of the eyes of the user and coupled respectively to each of said receivers to receive one of the images of the three dimensional video signals; (d) a pair of convex lenses, each of said lenses mounted on said holding member between one of said respective display units and aligned with one of the eyes so as to enlarge each of the images displayed on said respective display unit; (e) each of said television receivers having means for receiving one portion of stereo audio signals and (f) a pair of earphones, each of said earphones integrally joined with said holding member adjacent to each ear, further including a battery pack carried on said holding member for supplying electrical power to said pair of television receivers; wherein each of said liquid crystal display units is adjustable about a horizontal axis to change angle thereof so as to better position said display units to the eyes of the person.
Claim 2
Dependent Claim 272 words
A head mounted stereoscopic television viewer comprising: (a) a holding member adapted to be worn on the head and around eyes of a user; (b) a pair of symmetrically spaced television receivers, mounted at a front end of said holding member whereby one of said receivers is for receiving first image of three dimensional video signals while other of said receivers is for receiving second image of the three dimensional video signals; (c) a pair of liquid crystal display units each extending from said receivers mounted in a side by side symmetric spaced relationship on said holding member each of said display units having a screen disposed along the line of sight, associated with one of the eyes of the user and coupled respectively to each of said receivers to receive one of the images of the three dimensional video signals; (d) a pair of convex lenses, each of said lenses mounted on said holding member between one of said respective display units and aligned with one of the eyes so as to enlarge each of the images displayed on said respective display unit; (e) each of said television receivers having means for receiving one portion of stereo audio signals and (f) a pair of earphones, each of said earphones integrally joined with said holding member adjacent to each ear, further including a battery pack carried on said holding member for supplying electrical power to said pair of television receivers; wherein each of said liquid crystal display units is adjustable about a horizontal axis to change angle thereof so as to better position said display units to the eyes of the person.
Claim 3
Dependent Claim 65 words
A device as in claim 1 wherein said holder comprises: (a) a vertical strap extending over the users head from earphone to earphone; (b) a rear horizontal retainer extending around the rear of the users head, said battery carried in said retainer and (c) forward extending viewing bracket holding and receivers display units and lenses; wherein strap, retainer and bracket frame integrally into said earphones.

References Cited (Backward Citations)

US2955156A Cited
US4395731A Cited
US4636866A Cited
US4695129A Cited
US4706117A Cited
US4719507A Cited
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US4853764A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-06-11 1993-12-11 1994-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-06-11 1997-12-11 1998-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-06-11 2001-12-11 2002-06-12 $7700.00 Window Closed / Lapsed

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