FR2440614A1 - Lampe a calotte argentee - Google Patents

Lampe a calotte argentee

Info

Publication number
FR2440614A1
FR2440614A1 FR7924166A FR7924166A FR2440614A1 FR 2440614 A1 FR2440614 A1 FR 2440614A1 FR 7924166 A FR7924166 A FR 7924166A FR 7924166 A FR7924166 A FR 7924166A FR 2440614 A1 FR2440614 A1 FR 2440614A1
Authority
FR
France
Prior art keywords
lamp
silver
filament
arms
caps
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.)
Granted
Application number
FR7924166A
Other languages
English (en)
Other versions
FR2440614B1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2440614A1 publication Critical patent/FR2440614A1/fr
Application granted granted Critical
Publication of FR2440614B1 publication Critical patent/FR2440614B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

LE FILAMENT EST SOUS FORME D'UN V A BRAS PLIES VERS L'INTERIEUR. IL EST DISPOSE DE FACON QUE L'AXE DE L'AMPOULE S'ETENDE EXCENTRIQUEMENT ENTRE LES BRAS DU V. LE FILAMENT ET SA REPRESENTATION FORMEE PAR LA CALOTTE ARGENTEE S'ENTOURENT AINSI MUTUELLEMENT EN PARTIE. GRACE A CETTE CONFIGURATION ET A CE POSITIONNEMENT, LA LAMPE FOURNIT UN FAISCEAU LUMINEUX PRESENTANT UNE INTENSITE TRES ELEVEE AU COEUR. APPLICATION A L'ECLAIRAGE.
FR7924166A 1978-10-30 1979-09-28 Lampe a calotte argentee Granted FR2440614A1 (fr)

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
FR2440614A1 true FR2440614A1 (fr) 1980-05-30
FR2440614B1 FR2440614B1 (fr) 1981-05-29

Family

ID=19831799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7924166A Granted FR2440614A1 (fr) 1978-10-30 1979-09-28 Lampe a calotte argentee

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1265840A (fr) * 1985-10-29 1990-02-13 Antonius J. Huijbers Lampe a incandescence a ampoule a couche reflechissante annulaire et a filament en zigzag
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

Citations (2)

* 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (2)

* 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

Also Published As

Publication number Publication date
US4317060A (en) 1982-02-23
IT7926846A0 (it) 1979-10-26
GB2034109B (en) 1982-08-04
ES253457U (es) 1980-12-16
DE2942972A1 (de) 1980-05-22
FR2440614B1 (fr) 1981-05-29
IT1124689B (it) 1986-05-14
AR217009A1 (es) 1980-02-15
IT7922975V0 (it) 1979-10-26
CA1135779A (fr) 1982-11-16
BE879705A (fr) 1980-04-29
JPS5560261A (en) 1980-05-07
NL7810774A (nl) 1980-05-02
GB2034109A (en) 1980-05-29
ES253457Y (es) 1981-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse