BE425995A - - Google Patents

Info

Publication number: BE425995A
Authority: BE; Belgium

Application number

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.)

1937-02-02

Publication of BE425995A publication Critical patent/BE425995A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight

BE425995D 1937-02-02 BE425995A (ja)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH510539X		1937-02-02

Publications (1)

Publication Number	Publication Date
BE425995A true BE425995A (ja)

Family

ID=4517412

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE425995D BE425995A (ja)	1937-02-02

Country Status (5)

Country	Link
US (1)	US2329455A (ja)
BE (1)	BE425995A (ja)
DE (1)	DE910934C (ja)
FR (1)	FR832724A (ja)
GB (2)	GB510539A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2619615A (en) *	1939-05-11	1952-11-25	Gen Electric	Circuit for operating electric discharge lamps
US4170744A (en) *	1978-03-10	1979-10-09	General Electric Company	Combination discharge-incandescent lamp with thermal switch control
CH642775A5 (de) *	1982-05-13	1984-04-30	Johann Buser	Entladungsgefaess mit hochstromdurchfuehrungen.
AU2002214567A1 (en) *	2000-10-04	2002-04-15	Theodore Mcbain	Independent dual-function light bulb

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB190314163A (en) *	1903-06-25	1904-04-07	Frederick William Le Tall	Improvements in Apparatus for Electric Lighting.
US985486A (en) *	1907-07-16	1911-02-28	Alfred A Wohlauer	Electric-lighting apparatus.
DE330821C (de) *	1919-09-27	1920-12-23	Paul Bachmann	Aus Quecksilberdampf-, Metall- und Kohlenfadenlampen zusammengesetzter Beleuchtungs- und Bestrahlungsapparat
AT135460B (de) *	1931-10-03	1933-11-25	Philips Nv	Elektrische Entladungsröhre mit Metalldampffüllung.
FR743742A (ja) *	1931-10-03	1933-04-05
US2065988A (en) *	1932-01-25	1936-12-29	Sperti Lamp Corp	Lamp
US1976149A (en) *	1932-01-25	1934-10-09	Sperti Lamp Corp	Lamp
FR751345A (fr) *	1932-03-01	1933-08-31	Lampes Sa	Perfectionnements aux lampes
US1990170A (en) *	1932-12-07	1935-02-05	Gen Electric	Gaseous electric discharge lamp device
US2020737A (en) *	1932-12-24	1935-11-12	Gen Electric	Gaseous electric discharge arc lamp

0
- BE BE425995D patent/BE425995A/xx unknown
1938
- 1938-01-27 FR FR832724D patent/FR832724A/fr not_active Expired
- 1938-01-30 DE DEB1157D patent/DE910934C/de not_active Expired
- 1938-02-01 US US188126A patent/US2329455A/en not_active Expired - Lifetime
- 1938-02-02 GB GB3277/38A patent/GB510539A/en not_active Expired
- 1938-02-02 GB GB11727/39A patent/GB510590A/en not_active Expired

Also Published As

Publication number	Publication date
FR832724A (fr)	1938-10-03
US2329455A (en)	1943-09-14
DE910934C (de)	1954-05-06
GB510590A (en)	1939-08-02
GB510539A (en)	1939-08-02

Publication	Publication Date	Title
AT151505B (ja)	1937-11-25
BE420085R (ja)	1937-03-31
BE420798A (ja)	1937-04-30
BE420383A (ja)
BE421280A (ja)
BE419783A (ja)
BE419666A (ja)
BE422006A (ja)
BE422774A (ja)
BE425995A (ja)
BE428873A (ja)
BE428407A (ja)
BE430631A (ja)
BE419588A (ja)
BE431789A (ja)	1939-01-31
BE419523A (ja)
BE419443A (ja)
BE419342A (ja)	1937-02-27
BE421925A (ja)
BE421670A (ja)	1937-06-30
BE443183A (ja)
BE421624A (ja)	1937-06-30
BE418783A (ja)
BE421514A (ja)
BE417582A (ja)