Patent US5317436A successfully refreshed from Google Patents.
US5317436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A slide assembly for projector with active matrix moveably mounted to housing
Assignee: Kopin Corp
•
Filing: 1992-04-22
•
Granted: 1994-05-31
•
Expires: 2012-04-22
Abstract
Abstract A slide assembly adapted for use with a projector body, having a projector body, having a light source, an optical system and a chamber in which an image forming element can be placed. The slide assembly has a housing adapted to be positioned over the slide projector body with an active matrix display slide movably mounted to housing with a storage position in the housing and an operating position outside the housing. In the operating position the display slide is positioned in a slide projector chamber for projection of an image onto an external viewing surface.
Inventors
- 👤 Mark B. Spitzer
- 👤 Jack P. Salerno
- 👤 Paul M. Zavracky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:03
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/10; A61B3/113; G; G02; G02B; G02B27/00; G02B27/0093; G02B27/01; G02B27/017; G02B27/0172; G03; G03B; G03B21/00; G03B21/001; G03B21/005; G03B21/006; G03B21/10; G03B21/14; G03B21/20; G03B21/2053; G03B21/28; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/30; G09G3/34; G09G3/36; H; H04; H04N; H04N5/00; H04N5/74; H04N5/7416; H04N5/7441; H04N9/00; H04N9/12; H04N9/31; H04N9/3102; H04N9/3105; H04N9/3108; H04N9/312; H04N9/3141; H04N9/3173; H05; H05B; H05B33/00; H05B33/12; H10; H10D; H10D30/00; H10D30/01; H10D30/021; H10D30/031; H10D30/0321; H10D30/0323; H10D30/60; H10D30/67; H10D30/6729; H10D30/673; H10D30/6733; H10D30/6734; H10D30/674; H10D30/6741; H10D30/6743; H10D30/6744; H10D30/6758; H10D84/00; H10D84/01; H10D84/02; H10D84/03; H10D84/038; H10D86/00; H10D86/01; H10D86/021; H10D86/0214; H10D86/0221; H10D86/0223; H10D86/0227; H10D88/00; H10D88/01; H10H; H10H20/00; H10H20/01; H10H20/011; H10H20/013; H10H29/00; H10H29/10; H10H29/14; H10H29/142; H10W; H10W90/00; G02B27/0101; G02B2027/0132; G02B2027/0138; G02B27/0179; G02B2027/0187; G02B2027/0192; G02B2027/0198; G02B5/00; G02B5/30; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1345; G02F1/13454; G02F1/136; G02F1/13613; G09G2300/00; G09G2300/02; G09G2300/023; G09G2300/08; G09G2300/0809; G09G2300/0842; G09G2320/00; G09G2320/02; G09G2320/0233; G09G2320/04; G09G2320/041; G09G2320/043; G09G2340/00; G09G2340/04; G09G2340/0464; G09G2370/00; G09G2370/04; G09G2370/042; G09G3/3607; G09G3/3611; G09G3/3614; G09G3/3648; H01; H01S; H01S5/00; H01S5/02; H01S5/0206; H01S5/0217; H04N5/66; H04N5/70; H04N5/7475; H04N5/7491; H10H20/80; H10H20/83; H10H20/832; H10H20/835; H10P; H10P72/00; H10P72/70; H10P72/74; H10P72/743; H10P72/7432
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
147 words
A slide assembly for a display adapted for use with a slide projector having a projector body, a light source, an optical system and a chamber in which an image forming element can be placed for projection onto an external viewing surface, the slide assembly comprising: a housing adapted to be positioned over a slide projector body; an active matrix display slide movably mounted to the housing and having a storage position within the housing and an operating position outside of the housing, the display slide being movable from the storage position into the operating position such that the display slide can be positioned in a slide projector chamber when the display slide is in the operating position for selectively transmitting light from the light source to the optical system for projection of an image formed on the active matrix display slide onto the external viewing surface.
Claim 2
Dependent Claim
147 words
A slide assembly for a display adapted for use with a slide projector having a projector body, a light source, an optical system and a chamber in which an image forming element can be placed for projection onto an external viewing surface, the slide assembly comprising: a housing adapted to be positioned over a slide projector body; an active matrix display slide movably mounted to the housing and having a storage position within the housing and an operating position outside of the housing, the display slide being movable from the storage position into the operating position such that the display slide can be positioned in a slide projector chamber when the display slide is in the operating position for selectively transmitting light from the light source to the optical system for projection of an image formed on the active matrix display slide onto the external viewing surface.
Claim 3
Dependent Claim
28 words
The slide assembly of claim 1 wherein the housing comprises an electronics unit for actuating the display slide, the actuated display slide selectively transmitting light to provide images.
Claim 4
Dependent Claim
39 words
The slide assembly of claim 2 wherein the electronics unit is adapted to receive computer data, the electronics unit responsive to the computer data actuating the display slide, the actuated display slide selectively transmitting light to provide computer-based images.
Claim 5
Dependent Claim
40 words
The slide assembly of claim 2 wherein the electronics unit is adapted to receive video signals, the electronics unit responsive to the video signal actuating the display slide, the actuated display slide selectively transmitting received light to produce video-based images.
Claim 6
Dependent Claim
16 words
The slide assembly of claim 1 wherein the display slide is adapted to produce multi-color images.
Claim 7
Dependent Claim
23 words
The slide assembly of claim 1 wherein the display slide comprises a light valve matrix secured between a pair of optically transmissive layers.
Claim 8
Dependent Claim
25 words
The slide assembly of claim 6 wherein the light valve matrix is secured to at least one of said optically transmissive layers with an adhesive.
Claim 9
Dependent Claim
58 words
The slide assembly of claim 1 wherein the display slide comprises a light valve matrix which comprises an array of transistors being formed in a semiconductor material, an array of electrodes with each electrode being electrically connected to at least one transistor and a light transmitting material through which received light from the light source is selectively transmitted.
Claim 10
Dependent Claim
14 words
The slide assembly of claim 8 wherein the light transmitting material comprises liquid crystal.
Claim 11
Dependent Claim
14 words
The slide assembly of claim 8 wherein the semiconductor material comprises single crystal silicon.
Claim 12
Dependent Claim
22 words
The slide assembly of claim 8 wherein each light valve comprises at least one transistor, an electrode and the light transmitting material.
Claim 13
Dependent Claim
27 words
The slide assembly of claim 8 wherein the display slide further comprises a driver circuit electrically connected to the light valve matrix for actuating the light valves.
Claim 14
Dependent Claim
57 words
The slide assembly of claim 1 further comprising an elongated arm having a proximal end coupled to the housing at a pivot point and a distal end coupled to the display slide such that the display slide is moved from the storage position into the operating position by a rotation of the arm about the pivot point.
Claim 15
Dependent Claim
21 words
The slide assembly of claim 1 wherein the display slide is linearly moved from the storage position into the operating position.
Claim 16
Dependent Claim
136 words
A slide assembly for light display adapted for use with a slide projector having a projector body, a light source, an optical system and a chamber in which an image forming element can be placed for projection onto an external viewing surface, the slide assembly comprising: a housing adapted to be positioned on a slide projector body; an electronics unit positioned within the housing; and an active matrix display slide electrically connected to an actuated by the electronics unit, the display slide moveable from a storage position within the housing to an operational position outside of the housing and being adapted to be positioned in a slide projector chamber when in the operational position for selectively transmitting light from the light source to provide images to the optical system for projection onto the external viewing surface.
Claim 17
Dependent Claim
136 words
A slide assembly for light display adapted for use with a slide projector having a projector body, a light source, an optical system and a chamber in which an image forming element can be placed for projection onto an external viewing surface, the slide assembly comprising: a housing adapted to be positioned on a slide projector body; an electronics unit positioned within the housing; and an active matrix display slide electrically connected to an actuated by the electronics unit, the display slide moveable from a storage position within the housing to an operational position outside of the housing and being adapted to be positioned in a slide projector chamber when in the operational position for selectively transmitting light from the light source to provide images to the optical system for projection onto the external viewing surface.
Claim 18
Dependent Claim
57 words
The slide assembly of claim 15 further comprising an elongated arm having a proximal end coupled to the housing at a pivot point and a distal end coupled to the display slide such that the display slide is moved from the storage position into the operating position by a rotation of the arm about the pivot point.
Claim 19
Dependent Claim
21 words
The slide assembly of claim 15 wherein the display slide is linearly moved from the storage position into the operating position.
Claim 20
Dependent Claim
39 words
The slide assembly of claim 15 wherein the electronics unit is adapted to receive computer data, the electronics unit responsive to the computer data actuating the display slide, the actuated display slide selectively transmitting light to provide computer-based images.
Claim 21
Dependent Claim
40 words
The slide assembly of claim 15 wherein the electronics unit is adapted to receive video signals, the electronics unit responsive to the video signals actuating the display slide, the actuated display slide selectively transmitting received light to provide video-based images.
Claim 22
Dependent Claim
16 words
The slide assembly of claim 15 wherein the display slide is adapted to provide multi-color images.
Claim 23
Dependent Claim
58 words
The slide assembly of claim 15 wherein the display slide comprises a light valve matrix which comprises an array of transistors being formed in a semiconductor material, an array of electrodes with each electrode being electrically connected to at least one transistor and a light transmitting material through which received light from the light source is selectively transmitted.
Claim 24
Dependent Claim
14 words
The slide assembly of claim 21 wherein the light transmitting material comprises liquid crystal.
Claim 25
Dependent Claim
27 words
The slide assembly of claim 21 wherein the display slide further comprises a driver circuit electrically connected to the light valve matrix for actuating the light valves.
Claim 26
Dependent Claim
19 words
The slide assembly of claim 23 wherein the semiconductor material comprises a thin film of single crystal silicon material.
Claim 27
Dependent Claim
131 words
A light valve assembly for a display adapted for use in a slide projector, the assembly comprising: an electronics unit within a housing adapted to be positioned over a slide projector; a light valve module comprising a light valve array, each light valve of the light valve array including a transistor, an electrode and a material through which light can be selectively transmitted, each light valve being actuatable by a transistor, the light valve array being electrically connected to and controlled by the electronics unit, the module being moveable from a protected storage position within the housing to an exposed operational position outside of the housing adapted to be inserted into the slide projector such that the light valve array selectively transmits light via actuated light valves to provide projected images.
Claim 28
Dependent Claim
131 words
A light valve assembly for a display adapted for use in a slide projector, the assembly comprising: an electronics unit within a housing adapted to be positioned over a slide projector; a light valve module comprising a light valve array, each light valve of the light valve array including a transistor, an electrode and a material through which light can be selectively transmitted, each light valve being actuatable by a transistor, the light valve array being electrically connected to and controlled by the electronics unit, the module being moveable from a protected storage position within the housing to an exposed operational position outside of the housing adapted to be inserted into the slide projector such that the light valve array selectively transmits light via actuated light valves to provide projected images.
Claim 29
Dependent Claim
20 words
The light valve assembly of claim 25 wherein the array of transistors are formed in or on a semiconductor material.
Claim 30
Dependent Claim
40 words
The light valve assembly of claim 26 further comprising a driver circuit formed in or on the semiconductor material and connected to the electronics unit such that each transistor is electrically connected to and selectively driven by the driver circuit.
Claim 31
Dependent Claim
19 words
The light valve assembly of claim 26 wherein the semiconductor material comprises a thin film of single crystal silicon.
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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) | 1997-05-30 | 1997-11-29 | 1998-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-30 | 2001-11-29 | 2002-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-30 | 2005-11-29 | 2006-05-31 | $7700.00 | Window Closed / Lapsed |