US5844722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal aperture mask for embedded optics
Assignee: JVCKenwood Corp
•
Filing: 1997-06-05
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Granted: 1998-12-01
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Expires: 2017-06-05
Abstract
Abstract An optical system is provided that has an enclosure which is substantially filled with a fluid. The enclosure also has an aperture for receiving an electromagnetic wave that is altered by an optical component contained in the enclosure. The enclosure also has an aperture mask and blocker that are at least partially immersed in the fluid.
Inventors
- 👤 Craig P. Stephens
- 👤 David G. Jackson
- 👤 Chun-Pang Li
- 👤 Javier A. Ruiz
- 👤 Rodney D. Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:10
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/10; G02B27/1006; G02B27/102; G02B27/1026; G02B1/00; G02B1/06; G02B27/1073
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
58 words
An optical system, comprising: an enclosure substantially filled with a fluid and having an aperture for receiving an incident electromagnetic wave; an optical component contained within the enclosure for altering the electromagnetic wave received by the enclosure; and a wave blocking member at least partially immersed in the fluid for minimizing the scattering of the incident electromagnetic wave.
Claim 2
Dependent Claim
58 words
An optical system, comprising: an enclosure substantially filled with a fluid and having an aperture for receiving an incident electromagnetic wave; an optical component contained within the enclosure for altering the electromagnetic wave received by the enclosure; and a wave blocking member at least partially immersed in the fluid for minimizing the scattering of the incident electromagnetic wave.
Claim 3
Dependent Claim
21 words
The optical system of claim 1 wherein the wave blocking member further defines a flanged lip affixed to the optical component.
Claim 4
Dependent Claim
27 words
The optical system of claim 1 wherein the wave blocking member extends along an end of the optical component which is distal from the incident electromagnetic wave.
Claim 5
Dependent Claim
23 words
The optical system of claim 1 wherein a clamp member is associated with the enclosure for securing the optical component within the enclosure.
Claim 6
Dependent Claim
43 words
The optical system of claim 1 wherein the optical component is affixed to a frame, the frame defining an aperture for the optical component, and the frame being connected to the enclosure at a predetermined angle with respect to the incident electromagnetic wave.
Claim 7
Dependent Claim
31 words
The optical system of claim 5 wherein a clamp member is integrally formed with the enclosure for suspending the optical component and the frame in the fluid contained within the enclosure.
Claim 8
Dependent Claim
54 words
An optical system, comprising: an enclosure substantially filled with a fluid and having an aperture for receiving an incident electromagnetic wave; an optical component contained within the enclosure for altering the electromagnetic wave received by the enclosure; and a rail at least partially immersed in the fluid for reducing turbulent flow in the fluid.
Claim 9
Dependent Claim
54 words
An optical system, comprising: an enclosure substantially filled with a fluid and having an aperture for receiving an incident electromagnetic wave; an optical component contained within the enclosure for altering the electromagnetic wave received by the enclosure; and a rail at least partially immersed in the fluid for reducing turbulent flow in the fluid.
Claim 10
Dependent Claim
27 words
The optical system of claim 7 wherein a clamp assembly is associated with the enclosure for suspending the optical component within the fluid contained within the enclosure.
Claim 11
Dependent Claim
43 words
The optical system of claim 7 wherein the optical component is affixed to a frame, the frame defining an aperture for the optical component, and the frame being connected to the enclosure at a predetermined angle with respect to the incident electromagnetic wave.
Claim 12
Dependent Claim
26 words
The optical system of claim 9 further including a pair of rails affixed to the frame and extending downwardly for defining a channel under the frame.
Claim 13
Dependent Claim
39 words
The optical system of claim 9 wherein the rail extends downwardly along a first side of the frame, and a second partial rail extends downwardly along a second side of the frame for defining a channel under the frame.
Claim 14
Dependent Claim
44 words
The optical system of claim 11 further including a clamp assembly having a bottom flange for defining a remaining portion of the second partial rail thereby extending along the second side of the frame, the clamp assembly affixing the optical component to the frame.
Claim 15
Dependent Claim
47 words
The optical system of claim 12 wherein the clamp assembly includes a keeper bar disposed on top of the optical component, and a plurality of fasteners associated with the clamp assembly for applying a force to the keeper bar and securing the optical component to the frame.
Claim 16
Dependent Claim
14 words
The optical system of claim 7 wherein the optical component includes a polarizing plate.
Claim 17
Dependent Claim
72 words
An aperture mask for use in an optical system that is at least partially embedded in a fluid, comprising: a frame providing a mounting surface for an optical component, the frame further defining an aperture for the optical component; a wave blocking member connected to the frame for minimizing the scattering of incoming radiation; and a rail connected to the frame that defines a channel for reducing turbulent flow in the fluid.
Claim 18
Dependent Claim
72 words
An aperture mask for use in an optical system that is at least partially embedded in a fluid, comprising: a frame providing a mounting surface for an optical component, the frame further defining an aperture for the optical component; a wave blocking member connected to the frame for minimizing the scattering of incoming radiation; and a rail connected to the frame that defines a channel for reducing turbulent flow in the fluid.
Claim 19
Dependent Claim
32 words
The aperture mask of claim 15 wherein the wave blocking member further defines a flanged lip extending along an end of the optical component which is distal from the incident electromagnetic wave.
Claim 20
Dependent Claim
37 words
The aperture mask of claim 15 wherein the rail includes a first rail extending downwardly along a first side of the frame, and a second partial rail extending partially downwardly along a second side of the frame.
Claim 21
Dependent Claim
45 words
The aperture mask of claim 17 further comprising a clamp assembly having a bottom flange for defining a remaining portion of the second partial rail thereby extending along the second side of the frame, the clamp assembly for securing the optical component to the frame.
Claim 22
Dependent Claim
14 words
The aperture mask of claim 15 wherein the optical component includes a polarizing plate.
Claim 23
Dependent Claim
122 words
A beamsplitter assembly for use in a projector system, comprising: a housing filled with a fluid and having an aperture for receiving an incident electromagnetic wave; a polarizing plate that alters the incident electromagnetic wave; a frame defining a mounting surface for the polarizing plate, the frame connected to the housing at a predetermined angle with respect to the incident electromagnetic wave; a flanged lip associated with the frame and extending along an end of the frame which is distal from the incident electromagnetic wave for impeding scattering of the incident electromagnetic wave; and at least one rail affixed to the frame and extending downwardly to form a channel along an underside of the frame for reducing turbulent flow in the fluid.
Claim 24
Dependent Claim
122 words
A beamsplitter assembly for use in a projector system, comprising: a housing filled with a fluid and having an aperture for receiving an incident electromagnetic wave; a polarizing plate that alters the incident electromagnetic wave; a frame defining a mounting surface for the polarizing plate, the frame connected to the housing at a predetermined angle with respect to the incident electromagnetic wave; a flanged lip associated with the frame and extending along an end of the frame which is distal from the incident electromagnetic wave for impeding scattering of the incident electromagnetic wave; and at least one rail affixed to the frame and extending downwardly to form a channel along an underside of the frame for reducing turbulent flow in the fluid.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-11-30 | 2002-06-01 | 2002-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-11-30 | 2006-06-01 | 2006-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-11-30 | 2010-06-01 | 2010-12-01 | $7700.00 | Window Closed / Lapsed |