CH202955A - Ion relay tube with extinguishing grid. - Google Patents

Ion relay tube with extinguishing grid.

Info

Publication number: CH202955A
Authority: CH; Switzerland
Prior art keywords: extinguishing grid; relay tube; ion relay; ion; tube
Prior art date: 1937-02-09

Application number

Other languages

German (de)

Inventor

Gloeilampenfabrieken N Philips

Original Assignee

Philips Nv

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.)

1937-02-09

Filing date

1938-02-07

Publication date

1939-02-15

1938-02-07 Application filed by Philips Nv filed Critical Philips Nv

1939-02-15 Publication of CH202955A publication Critical patent/CH202955A/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
- H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
- H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control

CH202955D 1937-02-09 1938-02-07 Ion relay tube with extinguishing grid. CH202955A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEN40353D DE730148C (en)	1937-02-09	1937-02-09	Ion relay tubes

Publications (1)

Publication Number	Publication Date
CH202955A true CH202955A (en)	1939-02-15

Family

ID=25759287

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH202955D CH202955A (en)	1937-02-09	1938-02-07	Ion relay tube with extinguishing grid.

Country Status (7)

Country	Link
US (1)	US2220089A (en)
BE (1)	BE426216A (en)
CH (1)	CH202955A (en)
DE (1)	DE730148C (en)
FR (1)	FR833343A (en)
GB (1)	GB500459A (en)
NL (1)	NL51718C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2975319A (en) *	1951-03-06	1961-03-14	Tesla Np	Tacttron

1937
- 1937-02-09 DE DEN40353D patent/DE730148C/en not_active Expired
1938
- 1938-02-04 US US188765A patent/US2220089A/en not_active Expired - Lifetime
- 1938-02-05 BE BE426216D patent/BE426216A/xx unknown
- 1938-02-05 GB GB3712/38A patent/GB500459A/en not_active Expired
- 1938-02-07 NL NL86324A patent/NL51718C/xx active
- 1938-02-07 CH CH202955D patent/CH202955A/en unknown
- 1938-02-07 FR FR833343D patent/FR833343A/en not_active Expired

Also Published As

Publication number	Publication date
NL51718C (en)	1941-12-15
US2220089A (en)	1940-11-05
FR833343A (en)	1938-10-19
DE730148C (en)	1943-01-07
GB500459A (en)	1939-02-09
BE426216A (en)	1938-03-31

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