GB510539A - Improvements in electric lamps - Google Patents

Improvements in electric lamps

Info

Publication number
GB510539A
GB510539A GB3277/38A GB327738A GB510539A GB 510539 A GB510539 A GB 510539A GB 3277/38 A GB3277/38 A GB 3277/38A GB 327738 A GB327738 A GB 327738A GB 510539 A GB510539 A GB 510539A
Authority
GB
United Kingdom
Prior art keywords
electric lamps
lamps
electric
Prior art date
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
GB3277/38A
Other languages
English (en)
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.)
JOHAN BUSER
Original Assignee
JOHAN BUSER
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.)
Filing date
Publication date
Application filed by JOHAN BUSER filed Critical JOHAN BUSER
Publication of GB510539A publication Critical patent/GB510539A/en
Expired legal-status Critical Current

Links

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
GB3277/38A 1937-02-02 1938-02-02 Improvements in electric lamps Expired GB510539A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB510539A true GB510539A (en) 1939-08-02

Family

ID=4517412

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3277/38A Expired GB510539A (en) 1937-02-02 1938-02-02 Improvements in electric lamps
GB11727/39A Expired GB510590A (en) 1937-02-02 1938-02-02 Improvements relating to electric lamps

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB11727/39A Expired GB510590A (en) 1937-02-02 1938-02-02 Improvements relating to electric lamps

Country Status (5)

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

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.
WO2002029851A1 (en) * 2000-10-04 2002-04-11 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 (enrdf_load_stackoverflow) * 1931-10-03 1933-04-05
US1976149A (en) * 1932-01-25 1934-10-09 Sperti Lamp Corp Lamp
US2065988A (en) * 1932-01-25 1936-12-29 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

Also Published As

Publication number Publication date
US2329455A (en) 1943-09-14
FR832724A (fr) 1938-10-03
BE425995A (enrdf_load_stackoverflow)
GB510590A (en) 1939-08-02
DE910934C (de) 1954-05-06

Similar Documents

Publication Publication Date Title
GB510539A (en) Improvements in electric lamps
GB503376A (en) Improvements in electrical insulation
IE14928L (en) Electric lamps
GB510059A (en) Improvements in rotary electric contact-makers
AU104838B2 (en) Improvements in electric lamp sockets
AU485737A (en) Improvements in electric lamp sockets
AU102679B2 (en) Improvements in or relating to electric incandescent lamps
CA366132A (en) Electric lamp
CA370331A (en) Electric lamp
CA370775A (en) Electric lamp
CA368078A (en) Electric lamp
CA366229A (en) Electric lamp
CA365092A (en) Electric lamp
CA364576A (en) Electric lamp
CA364413A (en) Electric lamp
CA364286A (en) Electric lamp
CA364284A (en) Electric lamp
CA364282A (en) Electric lamp
CA364145A (en) Electric lamp
CA364139A (en) Electric lamp
CA363334A (en) Electric lamp
CA364148A (en) Electric lamp
AU102154B2 (en) Improvements in electric lighters
GB503398A (en) Improvements in and relating to electric lamps
IE14563L (en) Electric incandescent lamps