FR2158952A5 - - Google Patents

Info

Publication number
FR2158952A5
FR2158952A5 FR7237812A FR7237812A FR2158952A5 FR 2158952 A5 FR2158952 A5 FR 2158952A5 FR 7237812 A FR7237812 A FR 7237812A FR 7237812 A FR7237812 A FR 7237812A FR 2158952 A5 FR2158952 A5 FR 2158952A5
Authority
FR
France
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
FR7237812A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of FR2158952A5 publication Critical patent/FR2158952A5/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
    • F21K2/06—Non-electric light sources using luminescence; Light sources using electrochemiluminescence using chemiluminescence
    • F21K2/08—Non-electric light sources using luminescence; Light sources using electrochemiluminescence using chemiluminescence activated by an electric field, i.e. electrochemiluminescence
    • 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
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G02F2/02—Frequency-changing of light, e.g. by quantum counters
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Electrochemistry (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Luminescent Compositions (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
FR7237812A 1971-10-26 1972-10-25 Expired FR2158952A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19241471A 1971-10-26 1971-10-26

Publications (1)

Publication Number Publication Date
FR2158952A5 true FR2158952A5 (de) 1973-06-15

Family

ID=22709547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7237812A Expired FR2158952A5 (de) 1971-10-26 1972-10-25

Country Status (5)

Country Link
JP (1) JPS4852194A (de)
CA (1) CA970065A (de)
DE (1) DE2252398A1 (de)
FR (1) FR2158952A5 (de)
GB (1) GB1378589A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0506999A1 (de) * 1991-04-03 1992-10-07 MITSUI TOATSU CHEMICALS, Inc. Harzzusammensetzung für ultravioleten lumineszenten Schirm

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150042960A (ko) * 2013-10-14 2015-04-22 서울바이오시스 주식회사 위폐 감별 기능을 구비하는 손목 시계

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0506999A1 (de) * 1991-04-03 1992-10-07 MITSUI TOATSU CHEMICALS, Inc. Harzzusammensetzung für ultravioleten lumineszenten Schirm

Also Published As

Publication number Publication date
GB1378589A (en) 1974-12-27
JPS4852194A (de) 1973-07-21
CA970065A (en) 1975-06-24
DE2252398A1 (de) 1973-05-03

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Legal Events

Date Code Title Description
ST Notification of lapse