NL50264C - - Google Patents

Info

Publication number: NL50264C
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.)

1937-04-02

Publication of NL50264C publication Critical patent/NL50264C/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
- H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/32—Secondary emission electrodes

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Cold Cathode And The Manufacture (AREA)
Discharge Lamp (AREA)

NL50264D 1937-04-02 NL50264C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL207265X		1937-04-02

Publications (1)

Publication Number	Publication Date
NL50264C true NL50264C (xx)

Family

ID=19778619

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL50264D NL50264C (xx)	1937-04-02

Country Status (6)

Country	Link
US (1)	US2190695A (xx)
BE (1)	BE427303A (xx)
CH (1)	CH207265A (xx)
FR (1)	FR836016A (xx)
GB (1)	GB492025A (xx)
NL (1)	NL50264C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2637002A (en) *		1953-04-28		Television pickup tube
NL59008C (xx) *	1941-07-03
US2530167A (en) *	1944-12-14	1950-11-14	Hartford Nat Bank & Trust Co	Discharge tube
GB1200899A (en) *	1967-04-21	1970-08-05	Mullard Ltd	Improvements in or relating to photocathodes

0
- NL NL50264D patent/NL50264C/xx active
- BE BE427303D patent/BE427303A/xx unknown
1938
- 1938-03-15 US US195941A patent/US2190695A/en not_active Expired - Lifetime
- 1938-03-30 GB GB9752/38A patent/GB492025A/en not_active Expired
- 1938-03-31 CH CH207265D patent/CH207265A/de unknown
- 1938-04-01 FR FR836016D patent/FR836016A/fr not_active Expired

Also Published As

Publication number	Publication date
CH207265A (de)	1939-10-15
FR836016A (fr)	1939-01-09
GB492025A (en)	1938-09-13
BE427303A (xx)
US2190695A (en)	1940-02-20

Publication	Publication Date	Title
BE420085R (xx)	1937-03-31
AT151505B (xx)	1937-11-25
BE419342A (xx)	1937-02-27
BE421131A (xx)
BE419979A (xx)
BE419889A (xx)
BE419835A (xx)
BE421055A (xx)	1937-05-31
BE421017A (xx)
BE419812A (xx)
BE421280A (xx)
BE419783A (xx)
BE419666A (xx)
BE420616A (xx)
BE421290A (xx)	1937-05-31
NL50264C (xx)
BE420607A (xx)	1937-04-30
NL48656C (xx)	1940-06-15
BE426164A (xx)
NL51224C (xx)	1941-10-15
BE419588A (xx)
BE419523A (xx)
BE419443A (xx)
NL49785C (xx)
BE420057A (xx)