US5170156A
Expired / Lapsed
US
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Multi-frequency two dimensional display system
Assignee: Texas Instruments Inc
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Filing: 1991-05-30
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Granted: 1992-12-08
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Expires: 2011-05-30
Abstract
Abstract A digitized video system having a display including one or more multi-frequency sensitive materials and a spatial lighy modulator simultaneously directing a plurality individual beams from an energy source onto the display.
Inventors
- 👤 Thomas W. DeMond
- 👤 E. Earle Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:32
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; G02B30/00; G02B30/50; G02B30/54; G09F; G09F19/00; G09F19/12; G09F19/18; H; H04; H04N; H04N13/00; H04N13/20; H04N13/275; H04N13/30; H04N13/363; H04N13/388; H04N13/39; H04N13/393; H04N13/395; H04N13/398; H04N9/00; H04N9/12; H04N9/31; H04N9/3129; G09G2300/00; G09G2300/08; G09G2300/0809; G09G2300/0842; G09G2300/0847; G09G2310/00; G09G2310/02; G09G2310/0262; H04N13/10; H04N13/189; H04N13/194; H04N13/286; H04N13/324; H04N13/365; H04N19/00; H04N19/50; H04N19/597
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
66 words
A digitized video system for two dimensional display comprising: (a) a two dimensional display including a multi-frequency sensitive material; (b) a spatial light modulator simultaneously directing a plurality of energy beams to said display at one or more frequencies; and (c) a source directing at least one energy beam at one or more frequencies at an angle to intersect all of said plurality of energy beams.
Claim 2
Dependent Claim
66 words
A digitized video system for two dimensional display comprising: (a) a two dimensional display including a multi-frequency sensitive material; (b) a spatial light modulator simultaneously directing a plurality of energy beams to said display at one or more frequencies; and (c) a source directing at least one energy beam at one or more frequencies at an angle to intersect all of said plurality of energy beams.
Claim 3
Dependent Claim
15 words
System as in claim 1 wherein said spatial light modulator comprises a one dimensional array.
Claim 4
Dependent Claim
13 words
System as in claim 1 wherein said spatial light modulator is two dimensional.
Claim 5
Dependent Claim
11 words
System as in claim 1 wherein said source directs one beam.
Claim 6
Dependent Claim
11 words
System as in claim 1 wherein said source directs several beams.
Claim 7
Dependent Claim
85 words
System as in claim 1 wherein said spatial light modulator includes: (a) an array of individual display cells; (b) each said display cell having at least two memory cells associate therewith, each said display cell selectively directly connected with one of said memory cells for control of said display cell; (c) a first decoder for addressing said memory cells for storing information therein; and (d) a second decoder for addressing said memory cells for selecting which of said memory cells is directly connected for control.
Claim 8
Dependent Claim
14 words
System as in claim 6 wherein each memory cell includes at least two components.
Claim 9
Dependent Claim
11 words
System as in claim 7 wherein one component is a transistor.
Claim 10
Dependent Claim
10 words
System as in claim 7 wherein one component stores capacitively.
Claim 11
Dependent Claim
10 words
System as in claim 7 wherein both components are transistors.
Claim 12
Dependent Claim
13 words
System as in claim 6 wherein said memory cell is implemented in CMOS.
Claim 13
Dependent Claim
13 words
System as in claim 6 wherein said memory cell is implemented in NMOS.
Claim 14
Dependent Claim
13 words
System as in claim 6 wherein said memory cell is implemented in PMOS.
Claim 15
Dependent Claim
26 words
System as in claim 6 wherein said second decoder simultaneously addresses one memory cell associated with substantially all of said display cells to display an image.
Claim 16
Dependent Claim
25 words
System as in claim 6 wherein said second decoder simultaneously addresses one memory cell associated with all of said display cells to display an image.
Claim 17
Dependent Claim
18 words
System as in claim 6 wherein said first decorder addresses a row of said array at a time.
Claim 18
Independent Claim
54 words
A method for two dimensional display utilizing digitized video system comprising the steps of: (a) simultaneously directing a plurality of energy beams to a multi-frequency sensitive material at one or more frequencies; and (b) directing at least one energy beam at one or more frequencies at an angle intersecting said plurality of energy beams.
Claim 19
Independent Claim
54 words
A method for two dimensional display utilizing digitized video system comprising the steps of: (a) simultaneously directing a plurality of energy beams to a multi-frequency sensitive material at one or more frequencies; and (b) directing at least one energy beam at one or more frequencies at an angle intersecting said plurality of energy beams.
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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) | 1995-12-08 | 1996-06-08 | 1996-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-12-08 | 2000-06-08 | 2000-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-12-08 | 2004-06-08 | 2004-12-08 | $7700.00 | Window Closed / Lapsed |