US4918472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterproof camera window
Assignee: Individual
•
Filing: 1989-06-21
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Granted: 1990-04-17
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Expires: 2009-06-21
Abstract
Abstract A waterproof camera window provides a transparent, unitary protective cover that seals both the light source and camera lens and a submersible camera, and comprises a generally planar, optically transparent window bearing a non-transparent masked portion incorporated into its outer and inner surfaces, in the area between the light source and the camera lens.
Inventors
- 👤 Thomas T. Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:14
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
136 words
A window for an submersible camera, said camera including a light source for generation and emission of light rays, and further including a camera lens, said window comprising: a generally planar, optically transparent window member, of a size to cover both said light source and said camera lens, said window member having an outside surface and an inside surface; a first mask portion on said window member outside surface, said first masked portion located between said light source and said camera lens and conditioned to alter the optical reflectivity of light rays emitted from said light source; and a second mask portion on said window member inside surface, said second masked portion located between said light source and said camera lens and conditioned to alter the optical reflectivity of light rays emitted from said light source.
Claim 2
Dependent Claim
136 words
A window for an submersible camera, said camera including a light source for generation and emission of light rays, and further including a camera lens, said window comprising: a generally planar, optically transparent window member, of a size to cover both said light source and said camera lens, said window member having an outside surface and an inside surface; a first mask portion on said window member outside surface, said first masked portion located between said light source and said camera lens and conditioned to alter the optical reflectivity of light rays emitted from said light source; and a second mask portion on said window member inside surface, said second masked portion located between said light source and said camera lens and conditioned to alter the optical reflectivity of light rays emitted from said light source.
Claim 3
Dependent Claim
24 words
The window of claim 1 wherein said first mask portion comprises a surface conditioned to absorb at least some portion of said light rays.
Claim 4
Dependent Claim
24 words
The window of claim 1 wherein said first mask portion comprises a surface conditioned to scatter at least some portion of said light rays.
Claim 5
Dependent Claim
24 words
The window of claim 1 wherein said second mask portion comprises a surface conditioned to absorb at least some portion of said light rays.
Claim 6
Dependent Claim
24 words
The window of claim 1 wherein said second mask portion comprises a surface conditioned to scatter at least some portion of said light rays.
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) | 1993-04-16 | 1993-10-16 | 1994-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-04-16 | 1997-10-16 | 1998-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-04-16 | 2001-10-16 | 2002-04-17 | $7700.00 | Window Closed / Lapsed |