Patent US3749802A successfully refreshed from Google Patents.
Patent US5483250A successfully refreshed from Google Patents.
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
•
Granted: 1996-01-09
•
Expires: 2011-04-25
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 20:28
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 |