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US5483250A Expired / Lapsed US ⏱️ 0.0 years remaining

Projection display system for a laptop computer or a notebook computer

Assignee: Mei California Inc
•
Filing: 1991-04-25
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Granted: 1996-01-09
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Expires: 2011-04-25
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Abstract

Abstract A projection display system for a laptop computer or notebook computer for projection of a display of stored information on a flexible screen attached to or adjacent to the computer or any surface adjacent to the computer. A display screen can be attached to the laptop computer or notebook computer or adjacent to the laptop computer or notebook computer.

Inventors

  • 👤 Gregory E. Herrick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 16:46
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1633; G06F1/1637; G06F1/1639; G06F1/1601; G06F1/1603; G06F1/1615; G06F1/1616

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 67 words
A laptop computer or notebook computer comprising: a. a housing with a hinged display screen for displaying video images; b. a processing means in said housing; c. means for inputting information into said processing means; and, d. video projection means connected to said processing means and mounted on the housing for projecting processed information onto a front of the screen for visual viewing of said processed information.
Claim 2
Dependent Claim 67 words
A laptop computer or notebook computer comprising: a. a housing with a hinged display screen for displaying video images; b. a processing means in said housing; c. means for inputting information into said processing means; and, d. video projection means connected to said processing means and mounted on the housing for projecting processed information onto a front of the screen for visual viewing of said processed information.
Claim 3
Dependent Claim 61 words
A laptop computer or notebook computer comprising: a. a housing; b. a processing means in said housing; c. means for inputting information into said processing means; and, d. video projection means connected to said processing means for projecting video images of processed information onto a front of a video screen mounted on the housing for visual viewing of said processed information.
Claim 4
Dependent Claim 61 words
A laptop computer or notebook computer comprising: a. a housing; b. a processing means in said housing; c. means for inputting information into said processing means; and, d. video projection means connected to said processing means for projecting video images of processed information onto a front of a video screen mounted on the housing for visual viewing of said processed information.
Claim 5
Dependent Claim 66 words
A laptop computer display system comprising: a. a computer housing having a top surface; b. a display movably mounted on said housing having a first position at an angle to the top surface, the display having a screen surface for displaying video image; and, c. video projection means mounted on the top surface of a housing for projecting computer information on the front of the screen.
Claim 6
Dependent Claim 66 words
A laptop computer display system comprising: a. a computer housing having a top surface; b. a display movably mounted on said housing having a first position at an angle to the top surface, the display having a screen surface for displaying video image; and, c. video projection means mounted on the top surface of a housing for projecting computer information on the front of the screen.
Claim 7
Dependent Claim 21 words
The display system of claim 3 wherein the display is pivotally mounted from the first position to a second storage position.
Claim 8
Dependent Claim 21 words
The display system of claim 3 wherein a display is mounted in a slot in a top surface of the housing.

References Cited (Backward Citations)

US3872462A Cited
US3872462B1 Cited
FR1179147A Cited
US3801199A Cited
US4589659A Cited
US4809078A Cited
US4803652A Cited
US5060152A Cited
US5091873A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1999-01-08 1999-07-10 2000-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2003-01-08 2003-07-10 2004-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2007-01-08 2007-07-10 2008-01-09 $7700.00 Window Closed / Lapsed

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