FR1228105A - New light filtration process and new variable density light filter using this process - Google Patents

New light filtration process and new variable density light filter using this process

Info

Publication number: FR1228105A
Authority: FR; France
Prior art keywords: new; variable density; light; light filter; filtration process
Prior art date: 1958-02-03
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

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.)

Kodak Pathe SA

Original Assignee

Kodak Pathe SA

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.)

1958-02-03

Filing date

1959-02-03

Publication date

1960-08-26

1959-02-03Application filed by Kodak Pathe SAfiledCriticalKodak Pathe SA

1960-08-26Application grantedgrantedCritical

1960-08-26Publication of FR1228105ApublicationCriticalpatent/FR1228105A/en

StatusExpiredlegal-statusCriticalCurrent

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/23—Photochromic filters
- 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
- G02F1/15—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 an electrochromic effect
- G02F1/1506—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 an electrochromic effect caused by electrodeposition, e.g. electrolytic deposition of an inorganic material on or close to an electrode

Landscapes

Physics & Mathematics (AREA)
Nonlinear Science (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)

FR785712A1958-02-031959-02-03 New light filtration process and new variable density light filter using this processExpiredFR1228105A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US1228105XA	1958-02-03	1958-02-03

Publications (1)

Publication Number	Publication Date
FR1228105Atrue FR1228105A (en)	1960-08-26

Family

ID=22404907

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR785712AExpiredFR1228105A (en)	1958-02-03	1959-02-03	New light filtration process and new variable density light filter using this process

Country Status (2)

Country	Link
DE (1)	DE1155538B (en)
FR (1)	FR1228105A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3245313A (en)*	1961-02-23	1966-04-12	Philco Corp	Light modulating means employing a self-erasing plating solution
US3363239A (en)*	1962-10-01	1968-01-09	Exxon Production Research Co	Electro-optical data storage and retrieval unit
FR2328979A1 (en)*	1975-10-23	1977-05-20	American Cyanamid Co	ELECTROCHROIC LENS DEVICE
FR2366659A1 (en)*	1976-09-30	1978-04-28	Ibm	METHOD OF MANUFACTURING AN ELECTRODE INTENDED FOR A DISPLAY DEVICE
EP0004548A3 (en)*	1978-03-31	1979-11-14	International Business Machines Corporation	Electrochromic display device and method of operating the same
EP0017087A3 (en)*	1979-03-21	1982-02-17	Siemens Aktiengesellschaft	Display method and display device for carrying out this method
FR2522231A1 (en)*	1982-02-23	1983-08-26	Thomson Csf	VIDEOFREQUENCY IMAGE SENSOR APPARATUS WITH AUTOMATIC SENSITIVITY CORRECTION, USEABLE ON A TELEVISION SELF-TIMER

1959
- 1959-01-16DEDEE17020Apatent/DE1155538B/enactivePending
- 1959-02-03FRFR785712Apatent/FR1228105A/ennot_activeExpired

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3245313A (en)*	1961-02-23	1966-04-12	Philco Corp	Light modulating means employing a self-erasing plating solution
US3363239A (en)*	1962-10-01	1968-01-09	Exxon Production Research Co	Electro-optical data storage and retrieval unit
FR2328979A1 (en)*	1975-10-23	1977-05-20	American Cyanamid Co	ELECTROCHROIC LENS DEVICE
FR2366659A1 (en)*	1976-09-30	1978-04-28	Ibm	METHOD OF MANUFACTURING AN ELECTRODE INTENDED FOR A DISPLAY DEVICE
EP0004548A3 (en)*	1978-03-31	1979-11-14	International Business Machines Corporation	Electrochromic display device and method of operating the same
EP0017087A3 (en)*	1979-03-21	1982-02-17	Siemens Aktiengesellschaft	Display method and display device for carrying out this method
FR2522231A1 (en)*	1982-02-23	1983-08-26	Thomson Csf	VIDEOFREQUENCY IMAGE SENSOR APPARATUS WITH AUTOMATIC SENSITIVITY CORRECTION, USEABLE ON A TELEVISION SELF-TIMER
EP0087992A1 (en)*	1982-02-23	1983-09-07	Thomson-Csf	Videofrequency image detector device with automatic sensitivity correction for use in an automatic-tracking television system

Also Published As

Publication number	Publication date
DE1155538B (en)	1963-10-10

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