US5128660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pointer for three dimensional display
Assignee: Texas Instruments Inc
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Filing: 1989-02-27
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Granted: 1992-07-07
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Expires: 2009-02-27
Abstract
Abstract A pointer for a three dimensional display utilizes sensors on the display for the user to communicate with the display by means of a hand held device. The three dimensional display can have a spatial light modulator with a plurality of deformable mirror cells each with several memory cells.
Inventors
- 👤 Thomas W. DeMond
- 👤 E. Earle Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:57
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/34; G09G3/3433; G09G3/346; H; H04; H04N; H04N9/00; H04N9/12; H04N9/31; 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; H04N13/00; H04N13/20; H04N13/275; H04N13/30; H04N13/363; H04N13/388; H04N13/39; H04N13/393; H04N13/395; H04N13/398; H04N9/3129; G09G2300/00; G09G2300/08; G09G2300/0809; G09G2300/0842; G09G2300/0847; G09G2310/00; G09G2310/02; G09G2310/0262; G09G3/2007; G09G3/2018; G09G3/2022; H04N13/10; H04N13/189; H04N13/194; H04N13/286; H04N13/324; H04N13/365; H04N19/00; H04N19/50; H04N19/597
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
44 words
A pointer for a three dimensional display comprising: a hand held body having plurality of beam generators producing individual beams, said beam generators controllable to intersect said beams so as to define a point in a three dimensional space within said three dimensional display.
Claim 2
Dependent Claim
44 words
A pointer for a three dimensional display comprising: a hand held body having plurality of beam generators producing individual beams, said beam generators controllable to intersect said beams so as to define a point in a three dimensional space within said three dimensional display.
Claim 3
Dependent Claim
13 words
Pointer as in claim 1 including a plurality of buttons for communicating commands.
Claim 4
Dependent Claim
10 words
The pointer of claim 1 wherein said beams intersect simultaneously.
Claim 5
Dependent Claim
47 words
A video display system comprising: (a) a three dimensional display; (b) a hand held body having beam generators producing individual beams; and (c) a plurality of sensors on said display for detecting the intersection of said beams within the three dimensional space of said three dimensional display.
Claim 6
Dependent Claim
47 words
A video display system comprising: (a) a three dimensional display; (b) a hand held body having beam generators producing individual beams; and (c) a plurality of sensors on said display for detecting the intersection of said beams within the three dimensional space of said three dimensional display.
Claim 7
Dependent Claim
10 words
System as in claim 4 including a spatial light modulator.
Claim 8
Dependent Claim
85 words
System as in claim 5 wherein said spatial light modulator includes: (a) an array of individual display cells; (b) each said display cell having at least two memory cells associated 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 9
Dependent Claim
14 words
System as in claim 6 wherein each memory cell includes at least two components.
Claim 10
Dependent Claim
11 words
Systems as in claim 7 wherein one component is a transistor.
Claim 11
Dependent Claim
10 words
System as in claim 7 wherein one component stores capacitively.
Claim 12
Dependent Claim
10 words
System as in claim 7 wherein both components are transistors.
Claim 13
Dependent Claim
13 words
System as in claim 6 wherein said memory cell is implemented in CMOS.
Claim 14
Dependent Claim
13 words
System as in claim 6 wherein said memory cell is implemented in NMOS.
Claim 15
Dependent Claim
13 words
System as in claim 6 wherein said memory cell is implemented in PMOS.
Claim 16
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 17
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 18
Dependent Claim
18 words
System as in claim 6 wherein said first decoder addresses a row of said array at a time.
Claim 19
Dependent Claim
11 words
The display system of claim 4 wherein said beams intersect simultaneously.
Claim 20
Independent Claim
45 words
A method of interacting with a three dimensional display comprising the steps of: (a) producing a plurality of individual beams from a pointer; and (b) detecting the intersection of said beams within the three dimensional space of said display using sensors associated with said display.
Claim 21
Independent Claim
45 words
A method of interacting with a three dimensional display comprising the steps of: (a) producing a plurality of individual beams from a pointer; and (b) detecting the intersection of said beams within the three dimensional space of said display using sensors associated with said display.
Claim 22
Dependent Claim
10 words
The method of claim 18 wherein said beams intersect simultaneously.
References Cited (Backward Citations)
US3474248A
Cited
US3576394A
Cited
US4471385A
Cited
US4041476A
Cited
US3986022A
Cited
US4023158A
Cited
US3918002A
Cited
US4031474A
Cited
US3968440A
Cited
US4078229A
Cited
US4063233A
Cited
US4093921A
Cited
US4093922A
Cited
US4168509A
Cited
US4288861A
Cited
US4275648A
Cited
US4441791A
Cited
US4380023A
Cited
US4613201A
Cited
US4577282A
Cited
US4565999A
Cited
US4638309A
Cited
US4680579A
Cited
US4611889A
Cited
US4552441A
Cited
US4710732A
Cited
US4596992A
Cited
US4615595A
Cited
US4713749A
Cited
US4671634A
Cited
US4768028A
Cited
US4699498A
Cited
US4755869A
Cited
US4662746A
Cited
US4885133A
Cited
US4812829A
Cited
US4749259A
Cited
US4814552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-07-07 | 1996-01-06 | 1996-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-07 | 2000-01-06 | 2000-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-07 | 2004-01-06 | 2004-07-07 | $7700.00 | Window Closed / Lapsed |