FR922052A - Advanced discharge electric lamps - Google Patents

Advanced discharge electric lamps

Info

Publication number: FR922052A
Authority: FR; France
Prior art keywords: discharge electric; electric lamps; advanced discharge; advanced; lamps
Prior art date: 1944-12-21
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.)

General Electric Co PLC

Original Assignee

General Electric Co PLC

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.)

1944-12-21

Filing date

1946-02-13

Publication date

1947-05-28

1944-12-21 Priority claimed from GB2563344A external-priority patent/GB590704A/en

1946-02-13 Application filed by General Electric Co PLC filed Critical General Electric Co PLC

1947-05-28 Application granted granted Critical

1947-05-28 Publication of FR922052A publication Critical patent/FR922052A/en

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/12—Preparation of lactams by depolymerising polyamides
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/305—Flat vessels or containers
- H01J61/307—Flat vessels or containers with folded elongated discharge path
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/92—Lamps with more than one main discharge path
- H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Vessels And Coating Films For Discharge Lamps (AREA)

FR922052D 1944-12-21 1946-02-13 Advanced discharge electric lamps Expired FR922052A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB2563344A GB590704A (en)		1944-12-21	Improvements in and relating to electric discharge lamps

Publications (1)

Publication Number	Publication Date
FR922052A true FR922052A (en)	1947-05-28

Family

ID=10230820

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR922052D Expired FR922052A (en)	1944-12-21	1946-02-13	Advanced discharge electric lamps

Country Status (3)

Country	Link
US (1)	US2501376A (en)
BE (1)	BE463974A (en)
FR (1)	FR922052A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE839975C (en) *	1950-08-11	1952-05-26	Fritz Zoerner	Neon or fluorescent tubes
US2961541A (en) *	1952-08-13	1960-11-22	Isomet Corp	Monitoring ionizing radiation
US3089956A (en) *	1953-07-10	1963-05-14	Westinghouse Electric Corp	X-ray fluorescent screen
US3508103A (en) *	1967-03-07	1970-04-21	Westinghouse Electric Corp	Laminated metal-glass panel fluorescent lamp
US3646383A (en) *	1970-01-09	1972-02-29	Gen Electric	Fluorescent panel lamp
JP2776840B2 (en) *	1988-08-26	1998-07-16	株式会社日立製作所	Fluorescent lamp
AU2766795A (en) *	1994-06-06	1996-01-04	Fallon Luminous Products Corporation	Gas discharge light
US5777431A (en) *	1994-08-17	1998-07-07	Matsushita Electric Works R&D Lab.	Substantially flat compact fluorescent lamp
US5767618A (en) *	1996-02-09	1998-06-16	Matsushita Electric Works Research And Development Laboraties Inc.	Flat compact fluorescent lamp with inter-channel discharge suppression
US5708324A (en) *	1996-03-18	1998-01-13	Matsushita Research And Development Laboratory Inc.	Fluorescent lamp with different density phosphor coatings on the front panel and internal channels
US5811925A (en) *	1996-12-04	1998-09-22	Matsushita Electric Works Research And Development Laboratory, Inc.	Integrally molded flat compact fluorescent lamp
US6323593B1 (en) *	1997-02-19	2001-11-27	Corning Incorporated	Product and process for neon lamp
FR2839254B1 (en)	2002-05-03	2005-11-04	Patrice Roubinowitz	ASSISTING VALET FOR CARRYING OR DISCHARGING IN PARTICULAR PERSONS WITH DISABILITIES AND APPAREL
JP4287389B2 (en) *	2004-07-09	2009-07-01	パナソニック株式会社	Fluorescent lamp
JP2006202668A (en) *	2005-01-24	2006-08-03	Toshiba Lighting & Technology Corp	Fluorescent lamp, fluorescent lamp device and lighting fixture
CA2791087A1 (en) *	2010-02-26	2011-09-01	Osram Ag	Lamp comprising at least one light source and an electronic operating device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2009375A (en) *	1928-05-31	1935-07-23	Gen Electric Vapor Lamp Co	Luminescent tube
US1813759A (en) *	1928-07-14	1931-07-07	Color Ray Holding Corp	Luminous tube
US1961735A (en) *	1928-08-17	1934-06-05	Gen Electric Vapor Lamp Co	Electric sign
US1935423A (en) *	1929-01-28	1933-11-14	Gen Electric	Electric discharge device
US1981903A (en) *	1930-10-30	1934-11-27	Connecticut Telephone & Elec	Luminescent gas lighting apparatus
US2042316A (en) *	1930-11-07	1936-05-26	Arthur A Johnson	Electric signal
US1984215A (en) *	1931-01-16	1934-12-11	Hotchner Fred	Vacuum vessel and illuminating device
US1870147A (en) *	1931-04-02	1932-08-02	Emanuel C Smally	Illuminating device
GB513715A (en) *	1938-05-12	1939-10-19	Gen Electric Co Ltd	Improvements in electric discharge lamps
US2269819A (en) *	1938-08-17	1942-01-13	Gen Luminescent Corp	White light lamp
US2205672A (en) *	1938-10-13	1940-06-25	David F Sawyer	Lighting element and fixture therefor
US2255431A (en) *	1939-10-21	1941-09-09	Westinghouse Electric & Mfg Co	Molded fluorescent lamp
US2406146A (en) *	1944-03-08	1946-08-20	John E Holmes	Fluorescent lighting unit
US2405518A (en) *	1945-11-14	1946-08-06	Igor B Polevitzky	Illuminating device

1946
- 1946-02-13 FR FR922052D patent/FR922052A/en not_active Expired
- 1946-02-25 US US650067A patent/US2501376A/en not_active Expired - Lifetime
- 1946-03-20 BE BE463974D patent/BE463974A/fr unknown

Also Published As

Publication number	Publication date
BE463974A (en)	1946-04-30
US2501376A (en)	1950-03-21

Publication	Publication Date	Title
FR922051A (en)	1947-05-28	Electric discharge lamps
FR922052A (en)	1947-05-28	Advanced discharge electric lamps
FR922967A (en)	1947-06-24	Electric discharge lamps
FR966786A (en)	1950-10-18	Electric discharge lamp
FR922371A (en)	1947-06-06	Electric discharge lamps
FR944095A (en)	1949-03-25	Projector lamp
FR968296A (en)	1950-11-23	Improvements to discharge lamps
FR920517A (en)	1947-04-10	Electric discharge lamp
FR992756A (en)	1951-10-23	Advanced projector
FR990133A (en)	1951-09-18	Electric discharge tubes
FR904645A (en)	1945-11-12	Electric lamp sockets
FR922966A (en)	1947-06-24	Advanced discharge lamp
FR915556A (en)	1946-11-12	Electric discharge tube
FR905524A (en)	1945-12-06	Luminescence lamp
FR951489A (en)	1949-10-26	Electric discharge lamp
DK69536C (en)	1949-07-11	Fluorescent electric discharge lamp with helical discharge path.
CA420197A (en)	1944-05-16	Electric discharge lamp
CA419237A (en)	1944-03-21	Electric discharge lamp
CA419238A (en)	1944-03-21	Electric discharge lamp
CA419538A (en)	1944-04-11	Electric discharge lamp
CA419142A (en)	1944-03-21	Electric discharge lamp
CA419143A (en)	1944-03-21	Electric discharge lamp
DK65076C (en)	1946-11-18	Electric Element Lamp.
DK65222C (en)	1946-12-16	Electric Element Lamp.
FR930015A (en)	1948-01-14	Thermionic lamps