US3267284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optic wave modulation method and apparatus using a rotating diffraction grating
Assignee: Individual
•
Filing: 1963-12-26
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Granted: 1966-08-16
•
Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Mackta Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
G; G02; G02B; G02B26/00; G02B26/08; G02B26/0808; G02B26/002; G02F; G02F2/00; G02F2/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
APPARATUS FOR SHIFTING THE FREQUENCY OF A MONOCHROMATIC LIGHT SOURCE, COMPRISING: MEANS TO CONVERGE A MONO-CHROMATIC LIGHT BEAM, A ROTATIVE CYLINDRICAL REFLECTING DIFFRACTING ELEMENT TO DIFFRACT SAID COVERAGE BEAM OF LIGHT AND MEANS TO COLLIMATE SUCH DIFFRACTED BEAM, SAID CONVERGING MEANS CONVERGING SAID MONO-CHROMATIC LIGHT BEAM SO THAT THE CENTER OF CURVATURE OF ITS WAVE FRONT COINCIDES WITH THE RADIUS OF CURVATURE OF SAID CYLINDRICAL DIFFRACTING ELEMENT.
Claim 2
Dependent Claim
67 words
APPARATUS FOR SHIFTING THE FREQUENCY OF A MONOCHROMATIC LIGHT SOURCE, COMPRISING: MEANS TO CONVERGE A MONO-CHROMATIC LIGHT BEAM, A ROTATIVE CYLINDRICAL REFLECTING DIFFRACTING ELEMENT TO DIFFRACT SAID COVERAGE BEAM OF LIGHT AND MEANS TO COLLIMATE SUCH DIFFRACTED BEAM, SAID CONVERGING MEANS CONVERGING SAID MONO-CHROMATIC LIGHT BEAM SO THAT THE CENTER OF CURVATURE OF ITS WAVE FRONT COINCIDES WITH THE RADIUS OF CURVATURE OF SAID CYLINDRICAL DIFFRACTING ELEMENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |