GB1430706A - Flashbulb arrangement - Google Patents

Flashbulb arrangement

Info

Publication number
GB1430706A
GB1430706A GB1843274A GB1843274A GB1430706A GB 1430706 A GB1430706 A GB 1430706A GB 1843274 A GB1843274 A GB 1843274A GB 1843274 A GB1843274 A GB 1843274A GB 1430706 A GB1430706 A GB 1430706A
Authority
GB
United Kingdom
Prior art keywords
bulb
ignition
bulbs
wires
resistance
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
GB1843274A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1430706A publication Critical patent/GB1430706A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
    • F21K5/023—Ignition devices in photo flash bulbs
    • F21K5/026—Ignition devices in photo flash bulbs using mechanical firing, e.g. percussion of a fulminating charge
    • 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

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Resistance Heating (AREA)
  • Air Bags (AREA)
GB1843274A 1973-05-01 1974-04-26 Flashbulb arrangement Expired GB1430706A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7306019A NL7306019A (nl) 1973-05-01 1973-05-01

Publications (1)

Publication Number Publication Date
GB1430706A true GB1430706A (en) 1976-04-07

Family

ID=19818762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1843274A Expired GB1430706A (en) 1973-05-01 1974-04-26 Flashbulb arrangement

Country Status (9)

Country Link
US (1) US3918884A (nl)
JP (1) JPS5032938A (nl)
BE (1) BE814429A (nl)
CA (1) CA1040700A (nl)
DE (1) DE2418838A1 (nl)
FR (1) FR2228342B3 (nl)
GB (1) GB1430706A (nl)
IT (1) IT1010134B (nl)
NL (1) NL7306019A (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048487A (en) * 1976-09-08 1977-09-13 General Electric Company Last-flash indicator switch in photoflash array

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443875A (en) * 1965-10-21 1969-05-13 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Series flash device
NL145033B (nl) * 1966-04-02 1975-02-17 Philips Nv Verbrandingsflitslamp.
US3518487A (en) * 1967-01-31 1970-06-30 Tokyo Shibaura Electric Co Photoflashing circuit device
BE757009A (fr) * 1969-10-03 1971-04-02 Philips Nv Dispositif permettant d'allumer successivement plusieurs lampeseclair acombustion
DE1952049A1 (de) * 1969-10-16 1971-04-29 Agfa Gevaert Ag Mehrfachblitzeinrichtung
US3619715A (en) * 1970-05-21 1971-11-09 Gen Electric Resistor circuit for sequentially flashing photoflash lamps
US3864606A (en) * 1972-10-24 1975-02-04 Gen Electric Compensated sequencing circuit for firing photoflash lamps

Also Published As

Publication number Publication date
CA1040700A (en) 1978-10-17
FR2228342B3 (nl) 1977-03-04
DE2418838A1 (de) 1974-11-21
US3918884A (en) 1975-11-11
BE814429A (fr) 1974-10-30
JPS5032938A (nl) 1975-03-29
IT1010134B (it) 1977-01-10
FR2228342A1 (nl) 1974-11-29
NL7306019A (nl) 1974-11-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee