GB650045A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number: GB650045A
Authority: GB; United Kingdom
Prior art keywords: bulb; relating; electric discharge; protuberance; oct
Prior art date: 1946-10-11
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

GB27084/47A

Other languages

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

Philips Electronics 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.)

1946-10-11

Filing date

1947-10-08

Publication date

1951-02-14

1947-10-08 Application filed by Philips Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV

1951-02-14 Publication of GB650045A publication Critical patent/GB650045A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels

Landscapes

Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Vessels And Coating Films For Discharge Lamps (AREA)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

GB27084/47A 1946-10-11 1947-10-08 Improvements in or relating to electric discharge tubes Expired GB650045A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL262420X		1946-10-11

Publications (1)

Publication Number	Publication Date
GB650045A true GB650045A (en)	1951-02-14

Family

ID=19781570

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB27084/47A Expired GB650045A (en)	1946-10-11	1947-10-08	Improvements in or relating to electric discharge tubes

Country Status (7)

Country	Link
US (1)	US2528246A (xx)
BE (1)	BE476683A (xx)
CH (1)	CH262420A (xx)
DE (1)	DE844948C (xx)
FR (1)	FR954134A (xx)
GB (1)	GB650045A (xx)
NL (1)	NL65818C (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3155862A (en) *	1960-05-31	1964-11-03	Gen Electric Canada	Index indicator for plug-in units

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL18909C (xx) *	1921-10-29
US1788147A (en) *	1927-06-22	1931-01-06	William M Bruce	Attachment for wireless receivers
DE626737C (de) *	1929-06-18	1936-03-02	Loewe Opta Gmbh	Mehrfachroehre mit einer Endverstaerkerstufe und einer oder mehreren Spannungsverstaerkerstufen
US1911410A (en) *	1932-06-02	1933-05-30	Valverde Robert	Method of sealing containers under predetermined pressures
US2067817A (en) *	1934-09-15	1937-01-12	Gen Electric	Device for gettering metal tubes
US2222395A (en) *	1939-07-14	1940-11-19	Ass Press	Tubular phototube
BE443690A (xx) *	1940-12-13
US2329019A (en) *	1941-10-06	1943-09-07	Heintz & Kaufman Ltd	Vitreous seal protector
FR890740A (fr) *	1942-02-11	1944-02-16	Telefunken Gmbh	Procédé pour la fabrication d'un tube à décharge électrique sans culot
US2454791A (en) *	1945-01-16	1948-11-30	Standard Telephones Cables Ltd	Vacuum tube and mounting therefor

0
- NL NL65818D patent/NL65818C/xx active
- BE BE476683D patent/BE476683A/xx unknown
1947
- 1947-10-08 GB GB27084/47A patent/GB650045A/en not_active Expired
- 1947-10-09 FR FR954134D patent/FR954134A/fr not_active Expired
- 1947-10-11 CH CH262420D patent/CH262420A/de unknown
- 1947-12-06 US US790103A patent/US2528246A/en not_active Expired - Lifetime
1948
- 1948-11-04 DE DEP20537A patent/DE844948C/de not_active Expired

Also Published As

Publication number	Publication date
CH262420A (de)	1949-06-30
US2528246A (en)	1950-10-31
DE844948C (de)	1952-07-28
FR954134A (fr)	1949-12-19
NL65818C (xx)
BE476683A (xx)

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