US3140341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mirror positoning apparatus
Assignee: Individual
•
Filing: 1961-11-30
•
Granted: 1964-07-07
•
Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Pliny G Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:00
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/18; G02B7/182; G02B7/1822; G02B7/1827; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
MIRROR POSITIONING APPARATUS FOR USE IN A LIGHT PROJECTING OPTICAL DISPLAY SYSTEM COMPRISING: A BASE PLATE FORMED TO BE MOUNTED IN THE SYSTEM; A PLURALITY OF PARALLEL MIRROR POSITIONING UNITS EACH HAVING A CRADLE ROTATABLY SUPPORTED ON SAID BASE PLATE ALONG A FIRST AXIS, A MIRROR ELEMENT DEFINING A PLANAR REFLECTING SURFACE ON ONE SIDE THEREOF ROTATABLY SUPPORTED ON SAID CRADLE ON A SECOND AXIS NORMAL TO SAID FIRST AXIS AND PARALLEL TO THE PLANAR SURFACE, SAID ELEMENT FURTHER POSITIONED TO REFLECT A RESPECTIVE INCIDENT LIGHT BEAM OF THE DISPLAY SYSTEM, FIRST DIFFERENTIAL MEANS MOUNTED ON SAID CRADLE HAVING TWO INPUTS AND ONE OUTPUT, FIRST CAM MEANS OPERATIVELY CONNECTED TO SAID FIRST DIFFERENTIAL OUTPUT FOR POSITIONING SAID ELEMENT ABOUT SAID SECOND AXIS IN ACCORDANCE WITH THE COMBINED FIRST DIFFERENTIAL INPUTS, FIRST MOTOR MEANS MOUNTED ON SAID CRADLE DRIVINGLY CONNECTED TO ONE OF SAID FIRST DIFFERENTIAL INPUTS FOR ROTATING SAID ELEMENT ABOUT SAID SECOND AXIS INDEPENDENTLY OF THE OTHER OF SAID FIRST DIFFERENTIAL INPUTS, SHAFT MEANS COAXIAL WITH SAID FIRST AXIS OPERATIVELY CONNECTED TO THE OTHER OF SAID FIRST DIFFERENTIAL INPUTS, SECOND DIFFERENTIAL MEANS MOUNTED ON SAID BASE PLATE HAVING ONE OUTPUT AND
Claim 2
Dependent Claim
192 words
MIRROR POSITIONING APPARATUS FOR USE IN A LIGHT PROJECTING OPTICAL DISPLAY SYSTEM COMPRISING: A BASE PLATE FORMED TO BE MOUNTED IN THE SYSTEM; A PLURALITY OF PARALLEL MIRROR POSITIONING UNITS EACH HAVING A CRADLE ROTATABLY SUPPORTED ON SAID BASE PLATE ALONG A FIRST AXIS, A MIRROR ELEMENT DEFINING A PLANAR REFLECTING SURFACE ON ONE SIDE THEREOF ROTATABLY SUPPORTED ON SAID CRADLE ON A SECOND AXIS NORMAL TO SAID FIRST AXIS AND PARALLEL TO THE PLANAR SURFACE, SAID ELEMENT FURTHER POSITIONED TO REFLECT A RESPECTIVE INCIDENT LIGHT BEAM OF THE DISPLAY SYSTEM, FIRST DIFFERENTIAL MEANS MOUNTED ON SAID CRADLE HAVING TWO INPUTS AND ONE OUTPUT, FIRST CAM MEANS OPERATIVELY CONNECTED TO SAID FIRST DIFFERENTIAL OUTPUT FOR POSITIONING SAID ELEMENT ABOUT SAID SECOND AXIS IN ACCORDANCE WITH THE COMBINED FIRST DIFFERENTIAL INPUTS, FIRST MOTOR MEANS MOUNTED ON SAID CRADLE DRIVINGLY CONNECTED TO ONE OF SAID FIRST DIFFERENTIAL INPUTS FOR ROTATING SAID ELEMENT ABOUT SAID SECOND AXIS INDEPENDENTLY OF THE OTHER OF SAID FIRST DIFFERENTIAL INPUTS, SHAFT MEANS COAXIAL WITH SAID FIRST AXIS OPERATIVELY CONNECTED TO THE OTHER OF SAID FIRST DIFFERENTIAL INPUTS, SECOND DIFFERENTIAL MEANS MOUNTED ON SAID BASE PLATE HAVING ONE OUTPUT AND
References Cited (Backward Citations)
US1833607A
Cited
US2397783A
Cited
US2315171A
Cited
US2940172A
Cited
US2660087A
Cited
US3023315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |