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US3672746A Expired / Lapsed US ⏱️ 0.0 years remaining

Digital light deflector using optical resonators

Assignee: RCA Corp
•
Filing: 1970-01-14
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Granted: 1972-06-27
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Expires: 1990-01-14
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Abstract

Abstract A LIGHT DEFLECTOR IS DISCLOSED WHICH INCLUDES AN INPUT FABRY-PEROT TYPE RESANOTOR, AND AN OUTPUT FABRY-PEROT TYPE RESONATOR. THE TWO RESONATORS ARE SEPARATED BY A TRANSPARENT WEDGE HAVING AN ANGLE A/2. A SOURCE OF A LASER BEAM OF MONOCHROMATIC COHERENT LIGHT IS DIRECTED TO THE INPUT RESONATOR AT AN ANGLE OF INCIDENCE $ (RELATIVE TO A NORMAL REFERENCE LINE) AT WHICH THE RESONATOR EXHIBITS A TRANSMISSION PEAK, SO THAT A BEAM OF LIGHT IS TRANSMITTED INTO AND THROUGH THE TRANSPARENT WEDGE TO THE OUTPUT RESONATOR. MEANS ARE PROVIDED TO VARY A PHYSICAL PARAM- ETER IN THE LIGHT PATH THROUGH THE SECOND RESONATOR IN AMOUNTS TO CAUSE A BEAM OF LIGHT TO EMERGE FROM THE OUTPUT RESONATOR AT ANY ONE OF MANY ANGLES, RELATIVE TO SAID REFERENCE LINE, APPROXIMATELY EQUAL TO 0 PLUS AN INTEGRAL MULTIPLE INCLUDING ZERO OF A. THE PARAMETER VARIED MAY BE THE PHASE DELAY IN THE OUTPUT RESONATOR, OR A PHSYCIAL SPACING OF RESONATOR SURFACES.

Inventors

  • 👤 Arthur Miller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 04:34
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/29; G02F1/31

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-06-27 1975-12-27 1976-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-06-27 1979-12-27 1980-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-06-27 1983-12-27 1984-06-27 $7700.00 Window Closed / Lapsed

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