US4597633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image reception system
Assignee: Individual
•
Filing: 1985-02-01
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Granted: 1986-07-01
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Expires: 2005-02-01
Abstract
Abstract An image reception system is provided with an inflatable viewing surface. A video projection system is arranged within the volume defining the viewing surface to form images on interior concave surfaces. The projected image is viewed on the outside convex surface. The concave image reception surfaces permit large area projection surfaces with a projection system having a short focal length.
Inventors
- 👤 Charles H. Fussell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:53
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
123 words
An image reception system for video projection apparatus comprising: a flexible material forming an inflatable volume enclosing said projection apparatus having a first plurality of arcuate surfaces, said first plurality of arcuate surfaces further including a second plurality of arcuate reception surfaces having an inflated interior surface contour and orientation for receiving from said projection apparatus a video image effective for viewing from a location external to said enclosed volume, and heater means for introducing heated air within said inflatable volume effective to establish a pressure differential across said flexible material effective to extend said first plurality of arcuate surface and inflate said inflatable volume, wherein said heater means includes fan means for directing air about said projection apparatus to remove heat therefrom.
Claim 2
Dependent Claim
123 words
An image reception system for video projection apparatus comprising: a flexible material forming an inflatable volume enclosing said projection apparatus having a first plurality of arcuate surfaces, said first plurality of arcuate surfaces further including a second plurality of arcuate reception surfaces having an inflated interior surface contour and orientation for receiving from said projection apparatus a video image effective for viewing from a location external to said enclosed volume, and heater means for introducing heated air within said inflatable volume effective to establish a pressure differential across said flexible material effective to extend said first plurality of arcuate surface and inflate said inflatable volume, wherein said heater means includes fan means for directing air about said projection apparatus to remove heat therefrom.
Claim 3
Dependent Claim
47 words
An image reception system according to claim 1, further including: a base connected to said flexible material for securing said flexible material adjacent said heater means for establishing a pressure differential to inflate said volume and for storing said flexible material when said volume is not inflated.
Claim 4
Dependent Claim
17 words
An image reception system according to claim 1, wherein said heater means includes a gas flame generator.
Claim 5
Dependent Claim
37 words
An image reception system according to claim 2, wherein said base further includes telescoping means for erecting said flexible material for inflation and for supporting at least a portion of said projection apparatus within said inflatable volume.
Claim 6
Dependent Claim
36 words
An image reception system according to claim 3, wherein said inflatable volume, said projection apparatus and said gas flame generator cooperate to obtain a buoyancy effective to maintain a desired elevation of said image reception system.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-30 | 1989-12-30 | 1990-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-30 | 1993-12-30 | 1994-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-30 | 1997-12-30 | 1998-07-01 | $7700.00 | Window Closed / Lapsed |