US5079544A
Expired / Lapsed
US
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Standard independent digitized video system
Assignee: Texas Instruments Inc
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Filing: 1989-02-27
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Granted: 1992-01-07
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Expires: 2009-02-27
Abstract
Abstract A video display system which can receive and display a number of different video signals having different formats utilizing a processor extract the image from a stream of digital signals to produce a digitized image to be displayed by a digital spatial light modulator.
Inventors
- 👤 Thomas W. DeMond
- 👤 E. Earle Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:52
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/34; G09G3/3433; G09G3/346; G02; G02B; G02B26/00; G02B26/08; G02B26/0816; G02B26/0833; G02B26/0841; G02B27/00; G02B27/48; G09F; G09F19/00; G09F19/12; G09F19/16; G09F19/18; G09F9/00; G09F9/30; G09F9/37; G09F9/372; G09G3/3406; H; H04; H04N; H04N5/00; H04N5/74; H04N5/7416; H04N5/7458; H04N9/00; H04N9/12; H04N9/31; H04N9/3129; G09G2300/00; G09G2300/08; G09G2300/0809; G09G2300/0814; G09G2300/0842; G09G2310/00; G09G2310/02; G09G2310/0235; G09G2310/06; G09G2310/066; G09G2320/00; G09G2320/06; G09G2320/0626; G09G2320/0633; G09G3/2007; G09G3/2018; G09G3/2022; G09G3/2025; G09G3/3413
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
137 words
A standard independent video display system comprising: (a) a receiver receiving image information including chrominance and luminance encoded therein at a first data rate; (b) a converter in electrical communication with said receiver for converting said image information into digital codes representative of said chrominance and luminance of a plurality of pixels; (c) a memory coupled to said converter for selectively receiving and storing said digital codes; (d) a processor coupled to said memory for selectively performing operations on at least some of said digital codes; and (e) a spatial light modulator coupled to said memory for receiving selected ones of said digital codes at a second data rate to modulate a light source into a plurality of light beams perceptually varying in chrominance and luminance with said second data rate higher than said first data rate.
Claim 2
Dependent Claim
137 words
A standard independent video display system comprising: (a) a receiver receiving image information including chrominance and luminance encoded therein at a first data rate; (b) a converter in electrical communication with said receiver for converting said image information into digital codes representative of said chrominance and luminance of a plurality of pixels; (c) a memory coupled to said converter for selectively receiving and storing said digital codes; (d) a processor coupled to said memory for selectively performing operations on at least some of said digital codes; and (e) a spatial light modulator coupled to said memory for receiving selected ones of said digital codes at a second data rate to modulate a light source into a plurality of light beams perceptually varying in chrominance and luminance with said second data rate higher than said first data rate.
Claim 3
Dependent Claim
33 words
System as in claim 1 wherein said memory is divided into a first and second memories with said first memory storing said digital codes and said second memory storing results from said processor.
Claim 4
Dependent Claim
14 words
System as in claim 1 wherein said processor determines the nature of said information.
Claim 5
Dependent Claim
20 words
System as in claim 3 wherein said processor determines the nature of said information from the state of an indicator.
Claim 6
Dependent Claim
11 words
System as in claim 4 wherein said indicator is a switch.
Claim 7
Dependent Claim
14 words
System as in claim 4 wherein said indicator is information in a storage location.
Claim 8
Dependent Claim
18 words
System as in claim 3 wherein said processor determines the nature of said information from the digital codes.
Claim 9
Dependent Claim
15 words
System as in claim 1 wherein the nature of said information includes the broadcast standard.
Claim 10
Dependent Claim
60 words
System as in claim 1 wherein said spatial modulator includes: (a) an array of individual display cells; (b) at least two memory cells associated with each display cell; (c) a first decoder for addressing a plurality of memory cells for storing information therein; and (d) a second decoder for addressing substantially all of said display cells to display an image.
Claim 11
Dependent Claim
14 words
System as in claim 9 wherein each memory cell includes at least two components.
Claim 12
Dependent Claim
10 words
System as in claim 10 wherein component is a transistor.
Claim 13
Dependent Claim
10 words
System as in claim 10 wherein one component stores capacitively.
Claim 14
Dependent Claim
10 words
System as in claim 10 wherein both components are transistors.
Claim 15
Dependent Claim
13 words
System as in claim 9 wherein said memory cell is implemented in CMOS.
Claim 16
Dependent Claim
13 words
System as in claim 9 wherein said memory cell is implemented in NMOS.
Claim 17
Dependent Claim
13 words
System as in claim 9 wherein said memory cell is implemented in PMOS.
Claim 18
Dependent Claim
26 words
System as in claim 9 wherein said second decoder simultaneously addresses one memory cell associated with substantially all of said display cells to display an image.
Claim 19
Dependent Claim
25 words
System as in claim 9 wherein said second decoder simultaneously addresses one memory cell associated with all of said display cells to display an image.
Claim 20
Dependent Claim
18 words
System as in claim 9 wherein said first decoder addresses a row of said array at a time.
Claim 21
Dependent Claim
91 words
Method for a standard independent video display system comprising the steps of: (a) receiving image information including chrominance and luminance encoded therein at a first data rate; (b) converting said image information into digital codes representative of said chrominance and luminance of a plurality of pixels; (c) storing said digital codes; (d) performing operations on at least some of said digital codes; and (e) modulating a light source into a plurality of light beams perceptually varying in chrominance and luminance, at a second data rate higher than said first data rate.
Claim 22
Dependent Claim
91 words
Method for a standard independent video display system comprising the steps of: (a) receiving image information including chrominance and luminance encoded therein at a first data rate; (b) converting said image information into digital codes representative of said chrominance and luminance of a plurality of pixels; (c) storing said digital codes; (d) performing operations on at least some of said digital codes; and (e) modulating a light source into a plurality of light beams perceptually varying in chrominance and luminance, at a second data rate higher than said first data rate.
Claim 23
Dependent Claim
183 words
A standard independent video display system comprising: (a) a receiver for receiving a serial stream of pixel data including chrominance and luminance encoded therein at a first data rate; (b) a converter coupled to said receiver for converting said serial stream into digital codes representative of said chrominance and luminance of each pixel; (c) a first memory coupled to said converter for selectively receiving and storing said digital codes; (d) a processor coupled to said first memory for selectively reading and performing data manipulation operations on predetermined ones of said digital codes; (e) a second memory coupled to said processor for selectively receiving and storing results of said data manipulation operations from said processor; and (f) a spatial light modulator coupled to said second memory for receiving selected ones of said stored results at a second data rate, said modulator operative in response to said selected ones of said stored results, to modulate a light source into a plurality of light beams wherein said light beams perceptually varying in chrominance and luminance with said second data rate higher than said first data rate.
Claim 24
Dependent Claim
183 words
A standard independent video display system comprising: (a) a receiver for receiving a serial stream of pixel data including chrominance and luminance encoded therein at a first data rate; (b) a converter coupled to said receiver for converting said serial stream into digital codes representative of said chrominance and luminance of each pixel; (c) a first memory coupled to said converter for selectively receiving and storing said digital codes; (d) a processor coupled to said first memory for selectively reading and performing data manipulation operations on predetermined ones of said digital codes; (e) a second memory coupled to said processor for selectively receiving and storing results of said data manipulation operations from said processor; and (f) a spatial light modulator coupled to said second memory for receiving selected ones of said stored results at a second data rate, said modulator operative in response to said selected ones of said stored results, to modulate a light source into a plurality of light beams wherein said light beams perceptually varying in chrominance and luminance with said second data rate higher than said first data rate.
References Cited (Backward Citations)
US3474248A
Cited
US3576394A
Cited
US4471385A
Cited
US4041476A
Cited
US3986022A
Cited
US4023158A
Cited
US3918002A
Cited
US3968440A
Cited
US4031474A
Cited
US4078229A
Cited
US4063233A
Cited
US4093922A
Cited
US4093921A
Cited
US4168509A
Cited
US4288861A
Cited
US4275648A
Cited
US4441791A
Cited
US4380023A
Cited
EP0069226A2
Cited
US4613201A
Cited
US4577282A
Cited
US4574279A
Cited
US4680579A
Cited
US4638309A
Cited
US4611889A
Cited
US4552441A
Cited
US4710732A
Cited
US4596992A
Cited
US4615595A
Cited
US4713749A
Cited
US4671634A
Cited
US4699498A
Cited
US4755869A
Cited
US4662746A
Cited
US4875035A
Cited
US4749259A
Cited
US4935731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-01-06 | 1995-07-08 | 1996-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-06 | 1999-07-08 | 2000-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-06 | 2003-07-08 | 2004-01-07 | $7700.00 | Window Closed / Lapsed |