FR2407424A1 - Indicateur bicolore de l'utilisation d'une lampe a eclair dans un dispositif photographique comprenant une pluralite de lampes a eclair - Google Patents

Indicateur bicolore de l'utilisation d'une lampe a eclair dans un dispositif photographique comprenant une pluralite de lampes a eclair

Info

Publication number
FR2407424A1
FR2407424A1 FR7830303A FR7830303A FR2407424A1 FR 2407424 A1 FR2407424 A1 FR 2407424A1 FR 7830303 A FR7830303 A FR 7830303A FR 7830303 A FR7830303 A FR 7830303A FR 2407424 A1 FR2407424 A1 FR 2407424A1
Authority
FR
France
Prior art keywords
lamp
lamps
device including
photographic device
indicator
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.)
Withdrawn
Application number
FR7830303A
Other languages
English (en)
Inventor
W J Harvey
T B Mcdonough
J W Shaffer
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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Publication of FR2407424A1 publication Critical patent/FR2407424A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0452—Electrical ignition means connected to the shutter
    • G03B15/0457—Ignition mechanisms for sequential ignition of flash lamps

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)

Abstract

L'INVENTION CONCERNE UN INDICATEUR CHANGEANT DE COULEUR LORS DE L'ECLAIR DE LA LAMPE ASSOCIEE DANS UN DISPOSITIF PHOTOGRAPHIQUE COMPRENANT UNE PLURALITE DE LAMPES A ECLAIR. SELON L'INVENTION, L'INDICATEUR EST CONSTITUE PAR UNE PREMIERE PELLICULE 48 D'UNE CERTAINE COULEUR FORMEE D'UN MATERIAU SE DETRUISANT A LA CHALEUR ENGENDREE LORS DE L'ECLAIR DE LA LAMPE ASSOCIEE, ET PAR UNE SECONDE PELLICULE 70 DISPOSEE CONTRE LA PREMIERE, D'UNE COULEUR DIFFERENTE, INSENSIBLE A LA CHALEUR. L'INDICATEUR EST DISPOSE AU NIVEAU D'UNE OUVERTURE 50 MENAGEE DANS UNE FEUILLE D'INFORMATION 44 PROCHE DE LA LAMPE ASSOCIEE. APPLICATION: INDICATION DE L'UTILISATION D'UNE LAMPE A ECLAIR DANS UN DISPOSITIF PHOTOGRAPHIQUE COMPRENANT UNE PLURALITE DE LAMPES A ECLAIR.
FR7830303A 1977-10-25 1978-10-25 Indicateur bicolore de l'utilisation d'une lampe a eclair dans un dispositif photographique comprenant une pluralite de lampes a eclair Withdrawn FR2407424A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/844,872 US4176389A (en) 1977-10-25 1977-10-25 Photoflash unit with two-color indicator

Publications (1)

Publication Number Publication Date
FR2407424A1 true FR2407424A1 (fr) 1979-05-25

Family

ID=25293845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830303A Withdrawn FR2407424A1 (fr) 1977-10-25 1978-10-25 Indicateur bicolore de l'utilisation d'une lampe a eclair dans un dispositif photographique comprenant une pluralite de lampes a eclair

Country Status (6)

Country Link
US (1) US4176389A (fr)
BE (1) BE871485A (fr)
CA (1) CA1103638A (fr)
DE (1) DE2846176A1 (fr)
FR (1) FR2407424A1 (fr)
GB (1) GB2006470B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD291322S (en) 1985-03-20 1987-08-11 Gte Products Corporation Multilamp photoflash unit
JPS62170825A (ja) * 1986-01-24 1987-07-27 House Food Ind Co Ltd 感温部材
US4717336A (en) * 1986-03-12 1988-01-05 Gte Products Corporation Flashed-lamp indicator
GB9020605D0 (en) * 1990-09-21 1990-10-31 Cambridge Consultants Food packaging
US6270228B1 (en) 1999-03-31 2001-08-07 Astron Systems, Inc. Studio lighting system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1926421A1 (de) * 1968-05-31 1969-12-04 Nashua Corp Waermeempfindliche Folie zur Herstellung von Kopien
FR2009434A1 (fr) * 1968-05-27 1970-02-06 Gen Electric
DE2543285A1 (de) * 1974-09-30 1976-04-01 Gen Electric Blitzlichtanordnung mit strahlungsschaltern und blitzindikatoren
FR2285632A1 (fr) * 1974-09-23 1976-04-16 Gen Electric Reseau a lampes-eclairs multiples
US3967579A (en) * 1975-10-29 1976-07-06 Stanton H. Kaye Telltale device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718815A (en) * 1971-03-09 1973-02-27 Gte Sylvania Inc Photographic flashlamp unit with flashed lamp indicator and method of making same
US3894226A (en) * 1974-09-26 1975-07-08 Gen Electric Photoflash lamp array having means for preventing electrical shorting
US3956625A (en) * 1974-11-14 1976-05-11 General Electric Company Multiple flashlamp array
US4093979A (en) * 1976-08-04 1978-06-06 General Electric Company Multiple flash array
US4048487A (en) * 1976-09-08 1977-09-13 General Electric Company Last-flash indicator switch in photoflash array
US4136379A (en) * 1977-08-18 1979-01-23 General Electric Company Photoflash lamp array having reflective circuit board

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2009434A1 (fr) * 1968-05-27 1970-02-06 Gen Electric
DE1926421A1 (de) * 1968-05-31 1969-12-04 Nashua Corp Waermeempfindliche Folie zur Herstellung von Kopien
FR2285632A1 (fr) * 1974-09-23 1976-04-16 Gen Electric Reseau a lampes-eclairs multiples
DE2543285A1 (de) * 1974-09-30 1976-04-01 Gen Electric Blitzlichtanordnung mit strahlungsschaltern und blitzindikatoren
US3967579A (en) * 1975-10-29 1976-07-06 Stanton H. Kaye Telltale device

Also Published As

Publication number Publication date
GB2006470A (en) 1979-05-02
BE871485A (fr) 1979-02-15
DE2846176A1 (de) 1979-04-26
US4176389A (en) 1979-11-27
CA1103638A (fr) 1981-06-23
GB2006470B (en) 1982-04-07

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse