FR1334630A - Method and device for modulating light, in particular infra-red rays - Google Patents

Method and device for modulating light, in particular infra-red rays

Info

Publication number
FR1334630A
FR1334630A FR907394A FR907394A FR1334630A FR 1334630 A FR1334630 A FR 1334630A FR 907394 A FR907394 A FR 907394A FR 907394 A FR907394 A FR 907394A FR 1334630 A FR1334630 A FR 1334630A
Authority
FR
France
Prior art keywords
modulating light
red rays
particular infra
infra
rays
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR907394A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Priority to FR907394A priority Critical patent/FR1334630A/en
Application granted granted Critical
Publication of FR1334630A publication Critical patent/FR1334630A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements with at least one potential jump barrier, e.g. PN, PIN junction
FR907394A 1962-08-21 1962-08-21 Method and device for modulating light, in particular infra-red rays Expired FR1334630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR907394A FR1334630A (en) 1962-08-21 1962-08-21 Method and device for modulating light, in particular infra-red rays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR907394A FR1334630A (en) 1962-08-21 1962-08-21 Method and device for modulating light, in particular infra-red rays

Publications (1)

Publication Number Publication Date
FR1334630A true FR1334630A (en) 1963-08-09

Family

ID=8785471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907394A Expired FR1334630A (en) 1962-08-21 1962-08-21 Method and device for modulating light, in particular infra-red rays

Country Status (1)

Country Link
FR (1) FR1334630A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502891A (en) * 1967-03-22 1970-03-24 Bell Telephone Labor Inc Variable reflectance memory device
US3535022A (en) * 1965-07-12 1970-10-20 Glaverbel Electrostatic variable light reflecting arrangement
US3591248A (en) * 1965-03-23 1971-07-06 Glaverbel Uniform light transmitting, infrared absorbing and reflecting materials and articles
EP0358394A2 (en) * 1988-09-03 1990-03-14 THORN EMI plc Infra-red radiation modulator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591248A (en) * 1965-03-23 1971-07-06 Glaverbel Uniform light transmitting, infrared absorbing and reflecting materials and articles
US3535022A (en) * 1965-07-12 1970-10-20 Glaverbel Electrostatic variable light reflecting arrangement
US3502891A (en) * 1967-03-22 1970-03-24 Bell Telephone Labor Inc Variable reflectance memory device
EP0358394A2 (en) * 1988-09-03 1990-03-14 THORN EMI plc Infra-red radiation modulator
EP0358394A3 (en) * 1988-09-03 1990-10-31 THORN EMI plc Infra-red radiation modulator
US5040859A (en) * 1988-09-03 1991-08-20 Thorn Emi Plc Infra-red radiation modulator

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