CH512143A - Electric light bulb - Google Patents

Electric light bulb

Info

Publication number
CH512143A
CH512143A CH1229969A CH1229969A CH512143A CH 512143 A CH512143 A CH 512143A CH 1229969 A CH1229969 A CH 1229969A CH 1229969 A CH1229969 A CH 1229969A CH 512143 A CH512143 A CH 512143A
Authority
CH
Switzerland
Prior art keywords
light bulb
electric light
electric
bulb
light
Prior art date
Application number
CH1229969A
Other languages
German (de)
Inventor
Takahashi Toshio
Mikami Utami
Suzuki Shigeru
Sato Hideyuki
Original Assignee
Iwasaki Electric Co Ltd
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 Iwasaki Electric Co Ltd filed Critical Iwasaki Electric Co Ltd
Publication of CH512143A publication Critical patent/CH512143A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
CH1229969A 1968-08-13 1969-08-13 Electric light bulb CH512143A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5726068 1968-08-13
JP3872969 1969-05-21

Publications (1)

Publication Number Publication Date
CH512143A true CH512143A (en) 1971-08-31

Family

ID=26378017

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1229969A CH512143A (en) 1968-08-13 1969-08-13 Electric light bulb

Country Status (7)

Country Link
US (1) US3582703A (en)
BE (1) BE736875A (en)
CH (1) CH512143A (en)
DE (1) DE1938955B2 (en)
FR (1) FR2015570A1 (en)
GB (1) GB1257198A (en)
NL (1) NL142523B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843899A (en) * 1972-06-28 1974-10-22 Philips Corp Tungsten-bromine cycle incandescent lamp containing boron
US4024425A (en) * 1974-11-11 1977-05-17 Tokyo Shibaura Electric Co., Ltd. Metal halide lamps
US4238705A (en) * 1979-09-12 1980-12-09 General Electric Company Incandescent lamp seal means
DE20020148U1 (en) * 2000-09-18 2001-03-22 Advanced Photonics Tech Ag Radiation source and radiation arrangement
TWI496974B (en) * 2011-11-14 2015-08-21 Fixing structure for guard rails abstract of the invention

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL27400C (en) * 1928-12-18

Also Published As

Publication number Publication date
FR2015570A1 (en) 1970-04-30
BE736875A (en) 1969-12-31
GB1257198A (en) 1971-12-15
DE1938955A1 (en) 1970-07-09
US3582703A (en) 1971-06-01
NL142523B (en) 1974-06-17
DE1938955B2 (en) 1970-07-09
NL6911678A (en) 1970-02-17

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Legal Events

Date Code Title Description
PL Patent ceased