FR71978E - Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps - Google Patents

Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps

Info

Publication number: FR71978E
Authority: FR; France
Prior art keywords: discharge lamps; crush; pressure; low; improved efficiency
Prior art date: 1954-12-14
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

French (fr)

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.)

Compagnie Francaise Thomson Houston SA

Original Assignee

Compagnie Francaise Thomson Houston SA

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.)

1954-12-14

Filing date

1957-04-11

Publication date

1960-03-15

1957-04-11 Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA

1960-03-15 Application granted granted Critical

1960-03-15 Publication of FR71978E publication Critical patent/FR71978E/en

Status Expired legal-status Critical Current

Classifications

- 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
- H01J61/33—Special shape of cross-section, e.g. for producing cool spot
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
- H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
- 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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
- H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury

FR71978D 1954-12-14 1957-04-11 Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps Expired FR71978E (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date
US341906XA	1954-12-14	1954-12-14
US856912XA	1956-04-09	1956-04-09
US857711XA	1956-04-19	1956-04-19

Publications (1)

Publication Number	Publication Date
FR71978E true FR71978E (en)	1960-03-15

Family

ID=27364591

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
FR1162139D Expired FR1162139A (en)	1954-12-14	1955-12-13	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR71667D Expired FR71667E (en)	1954-12-14	1957-04-02	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR71976D Expired FR71976E (en)	1954-12-14	1957-04-04	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR71978D Expired FR71978E (en)	1954-12-14	1957-04-11	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps

Family Applications Before (3)

Application Number	Title	Priority Date	Filing Date
FR1162139D Expired FR1162139A (en)	1954-12-14	1955-12-13	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR71667D Expired FR71667E (en)	1954-12-14	1957-04-02	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR71976D Expired FR71976E (en)	1954-12-14	1957-04-04	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps

Country Status (6)

Country	Link
BE (3)	BE556663A (en)
CH (4)	CH341907A (en)
DE (4)	DE1051398B (en)
FR (4)	FR1162139A (en)
GB (4)	GB802877A (en)
NL (6)	NL202746A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL238268A (en) *	1958-04-18
DE1153833B (en) *	1958-12-17	1963-09-05	Gen Electric Co Ltd	Electric sodium vapor discharge lamp
JPS61135041A (en) *	1984-12-06	1986-06-23	ジー・テイー・イー・プロダクツ・コーポレイシヨン	Low pressure arc discharge lamp with increased voltage
US4884007A (en) *	1984-12-06	1989-11-28	Gte Products Corporation	Low pressure arc discharge tube having increased voltage
US7276853B2 (en)	2002-04-11	2007-10-02	Koninklijke Philips Electronics, N.V.	Low-pressure mercury vapor discharge lamp
JP4494800B2 (en) *	2002-04-11	2010-06-30	コーニンクレッカフィリップスエレクトロニクスエヌヴィ	Low pressure mercury vapor discharge lamp
JP2005522368A (en)	2002-04-17	2005-07-28	コンティネンタル・テーベス・アクチエンゲゼルシヤフト・ウント・コンパニー・オッフェネ・ハンデルスゲゼルシヤフト	Detection method of tire characteristics
WO2004032180A2 (en) *	2002-10-04	2004-04-15	Koninklijke Philips Electronics N.V.	Low-pressure mercury vapour discharge lamp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2213245A (en) *	1935-12-23	1940-09-03	Germer Edmund	Electrical discharge device
FR802714A (en) *	1936-02-12	1936-09-14		Improvements to luminescent tubes
FR861799A (en) *	1938-11-26	1941-02-17	Lampes Sa	Improvements to light discharge devices
BE469579A (en) *	1940-03-01
US2482421A (en) *	1943-10-21	1949-09-20	Gen Electric	Flat tube electrical device
FR907572A (en) *	1944-04-22	1946-03-15		Improvements to the internal device of the discharge tubes
US2445012A (en) *	1946-10-29	1948-07-13	Clarence H Van Orden	Luminous electrical discharge device

0
- DE DENDAT1050443D patent/DE1050443B/de active Pending
- NL NL106187D patent/NL106187C/xx active
- NL NL105871D patent/NL105871C/xx active
- BE BE543614D patent/BE543614A/xx unknown
- NL NL216121D patent/NL216121A/xx unknown
- NL NL202747D patent/NL202747A/xx unknown
- BE BE556306D patent/BE556306A/xx unknown
- BE BE556663D patent/BE556663A/xx unknown
- NL NL105216D patent/NL105216C/xx active
- NL NL202746D patent/NL202746A/xx unknown
1955
- 1955-12-06 GB GB34975/55A patent/GB802877A/en not_active Expired
- 1955-12-13 DE DEG18571A patent/DE1051398B/en active Pending
- 1955-12-13 GB GB35774/55A patent/GB821321A/en not_active Expired
- 1955-12-13 FR FR1162139D patent/FR1162139A/en not_active Expired
- 1955-12-14 CH CH341907D patent/CH341907A/en unknown
- 1955-12-14 CH CH341906D patent/CH341906A/en unknown
- 1955-12-14 DE DEG18585A patent/DE1044274B/en active Pending
1957
- 1957-03-27 GB GB9999/57A patent/GB856912A/en not_active Expired
- 1957-04-02 FR FR71667D patent/FR71667E/en not_active Expired
- 1957-04-03 GB GB10932/57A patent/GB857711A/en not_active Expired
- 1957-04-04 FR FR71976D patent/FR71976E/en not_active Expired
- 1957-04-08 CH CH349696D patent/CH349696A/en unknown
- 1957-04-11 FR FR71978D patent/FR71978E/en not_active Expired
- 1957-04-15 DE DEG21912A patent/DE1054171B/en active Pending
- 1957-04-18 CH CH349340D patent/CH349340A/en unknown

Also Published As

Publication number	Publication date
NL202747A (en)
DE1044274B (en)	1958-11-20
GB821321A (en)	1959-10-07
DE1051398B (en)	1959-02-26
NL105216C (en)
FR71976E (en)	1960-03-15
CH341906A (en)	1959-10-31
NL106187C (en)
BE556306A (en)
BE556663A (en)
NL216121A (en)
DE1054171B (en)	1959-04-02
GB856912A (en)	1960-12-21
FR1162139A (en)	1958-09-09
CH341907A (en)	1959-10-31
CH349696A (en)	1960-10-31
NL105871C (en)
GB802877A (en)	1958-10-15
GB857711A (en)	1961-01-04
CH349340A (en)	1960-10-15
BE543614A (en)
NL202746A (en)
DE1050443B (en)
FR71667E (en)	1960-01-13

Publication	Publication Date	Title
FR1125844A (en)	1956-11-08	Advanced incandescent lamp
FR1162139A (en)	1958-09-09	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR75582E (en)	1961-07-17	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR1085180A (en)	1955-01-28	Luminescent tube lamp
FR71977E (en)	1960-03-15	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR75193E (en)	1961-05-12	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR76208E (en)	1961-09-29	Crush-resistant enclosures for low-pressure or incandescent tubular discharge lamps and improved efficiency discharge lamps
FR1232913A (en)	1960-10-12	Ignition circuit for electric discharge lamps
FR1119731A (en)	1956-06-25	Base and socket for fluorescent lamps
FR1063421A (en)	1954-05-03	Portable fluorescent tube lamp
FR81769E (en)	1963-11-08	Crush-resistant enclosures, for tubular low-pressure or incandescent discharge lamps and improved efficiency discharge lamps
FR1095121A (en)	1955-05-27	Elastic lampholder for tubular fluorescent lamps
FR1082505A (en)	1954-12-30	Improvements in the manufacture of sockets for fluorescent lamps
FR1098181A (en)	1955-07-19	Lighting device for fluorescent tubes
FR1055071A (en)	1954-02-16	Electronic fluorescent lighting lamp
FR1115071A (en)	1956-04-19	Lamp and lampshade
FR65347E (en)	1956-02-08	Improvements to discharge lamps starting devices
FR1103672A (en)	1955-11-04	Fluorescent lamp
FR72807E (en)	1960-04-28	Portable fluorescent lamp
FR66257E (en)	1956-06-28	Improvement in lighting lamps
FR1107826A (en)	1956-01-05	Advanced fluorescent lamp
AT196504B (en)	1958-03-25	Discharge lamp
FR1149490A (en)	1957-12-26	Lighting mount for luminescent tube and corresponding tube
FR1111658A (en)	1956-03-02	Improvements to electronic fluorescent lighting lamps
FR1118074A (en)	1956-05-31	Portable fluorescent lamp