US3296923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lenticulated collimating condensing system
Assignee: General Electric Co
•
Filing: 1965-01-04
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Granted: 1967-01-10
•
Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 John R Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:56
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/20; G03B21/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A LIGHT CONDENSING SYSTEM FOR UNIFORMLY ILLUMINATING A PROJECTION OBJECT COMPRISING: (A) A LIGHT SOURCE PROVIDING SUBSTANTIALLY COLLIMATED LIGHT ENERGY, (B) A FIRST LENTICULAR LENS PLATE HAVING A FIRST MULTIPLICITY OF LENS ELEMENTS, (C) A SECOND LENTICULAR LENS PLATE HAVING A SECOND MULTIPLICITY OF LENS ELEMENTS CORRESPONDING TO SAID FIRST MULTIPLICITY, SAID LENTICULAR LENS PLATES BEING SPACED APART AND COAXIALLY ARRANGED SO AS TO INTERCEPT LIGHT ENERGY EMITTED FROM SAID SOURCE AND PRODUCE AN ARRAY OF DIVERGING LIGHT BEAMS, ONE BEAM FOR EACH PAIR OF CORRESPONDING LENS ELEMENTS, AND (D) LENS MEANS DISPOSED BETWEEN SAID LENTICULAR LENS PLATES AND SAID PROJECTION OBJECT FOR COLLIMATING SAID LIGHT BEAMS ALONG CONVERGING PRINCIPAL AXES SO AS TO SUPERIMPOSE SAID LIGHT BEAMS ONTO SAID OBJECT, THEREBY PROVIDING A UNIFORM INTENSITY, UNIFORM ANGULAR SPREAD ILLUMINATION OF SAID OBJECT.
Claim 2
Dependent Claim
133 words
A LIGHT CONDENSING SYSTEM FOR UNIFORMLY ILLUMINATING A PROJECTION OBJECT COMPRISING: (A) A LIGHT SOURCE PROVIDING SUBSTANTIALLY COLLIMATED LIGHT ENERGY, (B) A FIRST LENTICULAR LENS PLATE HAVING A FIRST MULTIPLICITY OF LENS ELEMENTS, (C) A SECOND LENTICULAR LENS PLATE HAVING A SECOND MULTIPLICITY OF LENS ELEMENTS CORRESPONDING TO SAID FIRST MULTIPLICITY, SAID LENTICULAR LENS PLATES BEING SPACED APART AND COAXIALLY ARRANGED SO AS TO INTERCEPT LIGHT ENERGY EMITTED FROM SAID SOURCE AND PRODUCE AN ARRAY OF DIVERGING LIGHT BEAMS, ONE BEAM FOR EACH PAIR OF CORRESPONDING LENS ELEMENTS, AND (D) LENS MEANS DISPOSED BETWEEN SAID LENTICULAR LENS PLATES AND SAID PROJECTION OBJECT FOR COLLIMATING SAID LIGHT BEAMS ALONG CONVERGING PRINCIPAL AXES SO AS TO SUPERIMPOSE SAID LIGHT BEAMS ONTO SAID OBJECT, THEREBY PROVIDING A UNIFORM INTENSITY, UNIFORM ANGULAR SPREAD ILLUMINATION OF SAID OBJECT.
References Cited (Backward Citations)
US2186123A
Cited
US2183249A
Cited
US2326970A
Cited
US2803163A
Cited
GB741246A
Cited
GB818229A
Cited
US2991691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |