FR728190A - Discharge tube intended for rectifying alternating currents and comprising one anode and two or more cathodes - Google Patents

Discharge tube intended for rectifying alternating currents and comprising one anode and two or more cathodes

Info

Publication number: FR728190A
Authority: FR; France
Prior art keywords: cathodes; anode; discharge tube; alternating currents; tube intended
Prior art date: 1931-01-03
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

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

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.)

1931-01-03

Filing date

1931-12-12

Publication date

1932-06-30

1931-12-12 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1932-06-30 Application granted granted Critical

1932-06-30 Publication of FR728190A publication Critical patent/FR728190A/en

Status Expired legal-status Critical Current

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
- H01J17/58—Thermionic-cathode tubes with more than one cathode or anode

FR728190D 1931-01-03 1931-12-12 Discharge tube intended for rectifying alternating currents and comprising one anode and two or more cathodes Expired FR728190A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE380672X		1931-01-03

Publications (1)

Publication Number	Publication Date
FR728190A true FR728190A (en)	1932-06-30

Family

ID=6348615

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR728190D Expired FR728190A (en)	1931-01-03	1931-12-12	Discharge tube intended for rectifying alternating currents and comprising one anode and two or more cathodes

Country Status (5)

Country	Link
US (1)	US1992493A (en)
AT (1)	AT133059B (en)
FR (1)	FR728190A (en)
GB (1)	GB380672A (en)
NL (1)	NL34645C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE861446C (en) *	1940-06-15	1953-01-05	Philips Nv	Gas-filled electric discharge tubes
US2505010A (en) *	1944-02-07	1950-04-25	Int Standard Electric Corp	Full-wave rectifier tube
US2472865A (en) *	1946-02-26	1949-06-14	Raytheon Mfg Co	Gaseous discharge device
US2699015A (en) *	1951-02-27	1955-01-11	Westinghouse Electric Corp	Metal mixture for sealing to glass
US2796557A (en) *	1952-05-22	1957-06-18	Ibm	Glow discharge tube
US2782343A (en) *	1952-05-22	1957-02-19	Ibm	Glow discharge tube
BE559277A (en) *	1956-09-13
US4587462A (en) *	1984-08-10	1986-05-06	Gte Laboratories Incorporated	Fluorescent light source with parallel DC discharges

0
- NL NL34645D patent/NL34645C/xx active
1931
- 1931-12-11 US US580457A patent/US1992493A/en not_active Expired - Lifetime
- 1931-12-12 AT AT133059D patent/AT133059B/en active
- 1931-12-12 FR FR728190D patent/FR728190A/en not_active Expired
- 1931-12-21 GB GB35294/31A patent/GB380672A/en not_active Expired

Also Published As

Publication number	Publication date
NL34645C (en)
GB380672A (en)	1932-09-22
US1992493A (en)	1935-02-26
AT133059B (en)	1933-04-25

Similar Documents

Publication	Publication Date	Title
FR728190A (en)	1932-06-30	Discharge tube intended for rectifying alternating currents and comprising one anode and two or more cathodes
FR753234A (en)	1933-10-11	Electric discharge tube
FR776476A (en)	1934-01-25	Electron tube
FR47656E (en)	1937-06-16	Electric discharge tube
FR45132E (en)	1935-06-13	Electric discharge tube
FR779741A (en)	1935-04-11	Cathode ray tube, specially intended for television
FR780700A (en)	1935-04-30	Electric discharge tube
FR776079A (en)	1935-01-16	Gas-filled rectifier tube
FR773176A (en)	1934-11-13	Gas-filled electric discharge tube
FR823346A (en)	1938-01-18	Improvements to electric discharge tubes and devices incorporating them
FR771172A (en)	1934-10-02	Electric discharge tube
FR818047A (en)	1937-09-16	Gas-filled electric discharge tube
FR734217A (en)	1932-10-18	Electric discharge tube
FR735742A (en)	1932-11-14	Improvement in the fixation of the cathode spot of electrical mercury vapor devices and other devices operating under similar conditions
FR765634A (en)	1934-06-13	Mercury vapor arc rectifiers
FR784170A (en)	1935-07-22	Cathode ray tube
FR739862A (en)	1933-01-18	Device comprising a gas-filled electric discharge tube fitted with one or more incandescent electrodes
FR718794A (en)	1932-01-28	Electric discharge tube having a cathode supported at one or more intermediate points
FR676845A (en)	1930-02-27	Gas-filled and incandescent cathode current rectifier
FR792869A (en)	1936-01-11	Electric discharge tube filled with one or more metal gases or vapors and having one or more anodes
FR768171A (en)	1934-08-01	Electric discharge tube comprising a cathode and one or more grids
FR734466A (en)	1932-10-22	Electric discharge tubes
FR796204A (en)	1936-04-01	Incandescent cathode ion rectifier tube with several anodes equidistant from the cathode
FR43890E (en)	1934-09-07	Electric discharge tube
FR756663A (en)	1933-12-13	Electric discharge tube