FR1590988A - - Google Patents

Info

Publication number
FR1590988A
FR1590988A FR1590988DA FR1590988A FR 1590988 A FR1590988 A FR 1590988A FR 1590988D A FR1590988D A FR 1590988DA FR 1590988 A FR1590988 A FR 1590988A
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
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 filed Critical
Application granted granted Critical
Publication of FR1590988A publication Critical patent/FR1590988A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
FR1590988D 1967-11-10 1968-11-08 Expired FR1590988A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7272867 1967-11-10

Publications (1)

Publication Number Publication Date
FR1590988A true FR1590988A (fr) 1970-04-20

Family

ID=13497690

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1590988D Expired FR1590988A (fr) 1967-11-10 1968-11-08

Country Status (5)

Country Link
US (1) US3646350A (fr)
DE (1) DE1807320B2 (fr)
FR (1) FR1590988A (fr)
GB (1) GB1190468A (fr)
NL (1) NL6815938A (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1300127A (en) * 1916-07-21 1919-04-08 Gen Electric Protective device.
US2692948A (en) * 1948-12-29 1954-10-26 Kurt S Lion Radiation responsive circuits
US3175083A (en) * 1960-12-14 1965-03-23 Ontario Research Foundation Method and apparatus for detecting x-rays
US3233111A (en) * 1962-05-31 1966-02-01 Union Carbide Corp Silicon whisker photocell with short response time
DE1464700A1 (de) * 1963-06-27 1969-02-13 Inst Plasmaphysik Gmbh Anordnung zum Herstellen zweidimensionaler Bilder eines Infrarotstrahlers
US3449582A (en) * 1966-02-02 1969-06-10 Westinghouse Electric Corp Electron multiplier device having an electrically insulating secondary emission control surface

Also Published As

Publication number Publication date
DE1807320A1 (de) 1969-08-07
GB1190468A (en) 1970-05-06
DE1807320B2 (de) 1971-05-13
NL6815938A (fr) 1969-05-13
US3646350A (en) 1972-02-29

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Legal Events

Date Code Title Description
ST Notification of lapse