NL27082C - - Google Patents

Info

Publication number
NL27082C
NL27082C NL27082DA NL27082C NL 27082 C NL27082 C NL 27082C NL 27082D A NL27082D A NL 27082DA NL 27082 C NL27082 C NL 27082C
Authority
NL
Netherlands
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.)
Publication of NL27082C publication Critical patent/NL27082C/xx
Priority claimed from US244533A external-priority patent/US1901577A/en
Priority claimed from US621499A external-priority patent/US1901578A/en

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
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes
NL27082D 1928-01-04 NL27082C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US668997XA 1928-01-04 1928-01-04
US303476TA 1928-01-04 1928-01-04
US244533A US1901577A (en) 1928-01-04 1928-01-04 Photo-electric tube
US621499A US1901578A (en) 1928-01-04 1932-07-08 Method of preparing photo-electric tubes

Publications (1)

Publication Number Publication Date
NL27082C true NL27082C (fr)

Family

ID=31950755

Family Applications (1)

Application Number Title Priority Date Filing Date
NL27082D NL27082C (fr) 1928-01-04

Country Status (1)

Country Link
NL (1) NL27082C (fr)

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