IT1124689B - Lampada a bulbo con emisfero superiore a specchio - Google Patents

Lampada a bulbo con emisfero superiore a specchio

Info

Publication number
IT1124689B
IT1124689B IT26846/79A IT2684679A IT1124689B IT 1124689 B IT1124689 B IT 1124689B IT 26846/79 A IT26846/79 A IT 26846/79A IT 2684679 A IT2684679 A IT 2684679A IT 1124689 B IT1124689 B IT 1124689B
Authority
IT
Italy
Prior art keywords
hemispher
bulb lamp
upper mirror
mirror
bulb
Prior art date
Application number
IT26846/79A
Other languages
English (en)
Other versions
IT7926846A0 (it
Inventor
John Fitzgerald
Jan Antoon Henri Kesseler
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT7926846A0 publication Critical patent/IT7926846A0/it
Application granted granted Critical
Publication of IT1124689B publication Critical patent/IT1124689B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
IT26846/79A 1978-10-30 1979-10-26 Lampada a bulbo con emisfero superiore a specchio IT1124689B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7810774A NL7810774A (nl) 1978-10-30 1978-10-30 Kopspiegellamp.

Publications (2)

Publication Number Publication Date
IT7926846A0 IT7926846A0 (it) 1979-10-26
IT1124689B true IT1124689B (it) 1986-05-14

Family

ID=19831799

Family Applications (2)

Application Number Title Priority Date Filing Date
IT7922975U IT7922975V0 (it) 1978-10-30 1979-10-26 Lampada a bulbo con emisfero superiore a specchio.
IT26846/79A IT1124689B (it) 1978-10-30 1979-10-26 Lampada a bulbo con emisfero superiore a specchio

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT7922975U IT7922975V0 (it) 1978-10-30 1979-10-26 Lampada a bulbo con emisfero superiore a specchio.

Country Status (11)

Country Link
US (1) US4317060A (it)
JP (1) JPS5560261A (it)
AR (1) AR217009A1 (it)
BE (1) BE879705A (it)
CA (1) CA1135779A (it)
DE (1) DE2942972A1 (it)
ES (1) ES253457Y (it)
FR (1) FR2440614A1 (it)
GB (1) GB2034109B (it)
IT (2) IT7922975V0 (it)
NL (1) NL7810774A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1265840A (en) * 1985-10-29 1990-02-13 Antonius J. Huijbers Incandescent lamp having a vessel with an annular reflective coating and a filament arranged zigsagwise
JP2875539B2 (ja) * 1988-07-29 1999-03-31 松下電子工業株式会社 反射鏡付電球
US5003215A (en) * 1988-08-05 1991-03-26 U.S. Philips Corporation Reflective electric incandescent lamp for producing high intensity beam
JP2001155691A (ja) * 1999-11-26 2001-06-08 Philips Lighting Kk ランプ
EP1308988B1 (fr) * 2001-10-23 2016-07-13 Koninklijke Philips N.V. Système d'accrochage d'un filament à une entrée de courant

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1977612A (en) * 1931-07-03 1934-10-23 Welsbach Street Lighting Compa Street lighting luminair
US2070700A (en) * 1934-11-17 1937-02-16 Welsbach Street Lighting Compa Illumination
US2218345A (en) * 1935-04-10 1940-10-15 Spaeth Charles Incandescent lamp
US2115839A (en) * 1936-04-27 1938-05-03 Caesar J Briefer Electric lamp
US2181291A (en) * 1936-12-07 1939-11-28 Hygrade Sylvania Corp Reflector bulb lamp

Also Published As

Publication number Publication date
IT7922975V0 (it) 1979-10-26
ES253457Y (es) 1981-06-01
BE879705A (fr) 1980-04-29
US4317060A (en) 1982-02-23
AR217009A1 (es) 1980-02-15
FR2440614B1 (it) 1981-05-29
IT7926846A0 (it) 1979-10-26
FR2440614A1 (fr) 1980-05-30
JPS5560261A (en) 1980-05-07
GB2034109B (en) 1982-08-04
DE2942972A1 (de) 1980-05-22
GB2034109A (en) 1980-05-29
NL7810774A (nl) 1980-05-02
CA1135779A (en) 1982-11-16
ES253457U (es) 1980-12-16

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