GB1247325A - Multiple photo flash bulb unit - Google Patents

Multiple photo flash bulb unit

Info

Publication number
GB1247325A
GB1247325A GB25787/70A GB2578770A GB1247325A GB 1247325 A GB1247325 A GB 1247325A GB 25787/70 A GB25787/70 A GB 25787/70A GB 2578770 A GB2578770 A GB 2578770A GB 1247325 A GB1247325 A GB 1247325A
Authority
GB
United Kingdom
Prior art keywords
bulbs
flash
bulb
ignition
switching elements
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
GB25787/70A
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 GB1247325A publication Critical patent/GB1247325A/en
Expired 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
    • G03B15/0478—Combinations of photographic apparatus with percussion type flash ignition systems
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Stroboscope Apparatuses (AREA)
  • Lasers (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
GB25787/70A 1969-05-30 1970-05-28 Multiple photo flash bulb unit Expired GB1247325A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6908333.A NL155660B (nl) 1969-05-30 1969-05-30 Inrichting voor het achtereenvolgens ontsteken van verbrandingsflitslampen.

Publications (1)

Publication Number Publication Date
GB1247325A true GB1247325A (en) 1971-09-22

Family

ID=19807068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25787/70A Expired GB1247325A (en) 1969-05-30 1970-05-28 Multiple photo flash bulb unit

Country Status (6)

Country Link
US (1) US3666394A (enrdf_load_stackoverflow)
BE (1) BE751113A (enrdf_load_stackoverflow)
DE (1) DE2019451B2 (enrdf_load_stackoverflow)
FR (1) FR2043836A1 (enrdf_load_stackoverflow)
GB (1) GB1247325A (enrdf_load_stackoverflow)
NL (1) NL155660B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3728068A (en) * 1971-12-09 1973-04-17 Gen Electric Photoflash lamp array having flash-actuated switches
US4053757A (en) * 1974-09-30 1977-10-11 General Electric Company Photoflash lamp array having radiation switches and flash indicators
NL7506653A (nl) * 1975-06-05 1976-12-07 Philips Nv Flitspakket voorzien van tenminste twee verbran- dingsflitslampen.
NL7510808A (nl) * 1975-09-15 1977-03-17 Philips Nv Flitsinrichting.
US4017728A (en) * 1975-09-17 1977-04-12 Gte Sylvania Incorporated Multilamp photoflash unit having radiant-energy-activated quick-disconnect switch
CA1090410A (en) * 1976-05-10 1980-11-25 Jan Van Werkhoven Photographic flashlamp unit
US4133631A (en) * 1977-05-23 1979-01-09 General Electric Company Photoflash lamp array circuit board having radiation sensitive fuse elements
US4329140A (en) * 1979-07-19 1982-05-11 Polaroid Corporation Multiple flash arrangement with redundant fuse arrangement
US4388606A (en) * 1981-04-13 1983-06-14 Gte Products Corporation Sequential photoflash array and fabrication employing radiation-activated switches
EP0062884A1 (en) * 1981-04-13 1982-10-20 GTE Products Corporation Sequential photoflash array and fabrication employing radiation-activated switches

Also Published As

Publication number Publication date
NL155660B (nl) 1978-01-16
NL6908333A (enrdf_load_stackoverflow) 1970-12-02
DE2019451B2 (de) 1977-04-28
FR2043836A1 (enrdf_load_stackoverflow) 1971-02-19
DE2019451A1 (de) 1970-12-03
BE751113A (fr) 1970-11-30
US3666394A (en) 1972-05-30

Similar Documents

Publication Publication Date Title
US3458270A (en) Series flash-lamp unit
GB1247325A (en) Multiple photo flash bulb unit
GB1525727A (en) Flash arrays
GB1170664A (en) Improvements relating to Photoflash Lamps
US4097220A (en) Flash lamp array having shorting lamps
US3075123A (en) Switching device for varying output of lamp load
US3601652A (en) Slave flash light
SU865140A3 (ru) Печатна плата дл многоламповых блоков ламп-фотовспышек
US3109958A (en) Electroluminescent devices with overload protection
GB1474494A (en) Switching devices
US3994664A (en) Parallel electrical switches
EP0062885B1 (en) Radiation-activated switch
GB1057524A (en) Discharge lamp
US3728068A (en) Photoflash lamp array having flash-actuated switches
US3728067A (en) Device for flashing combustion flash bulbs one after the other
GB1238291A (enrdf_load_stackoverflow)
US3718422A (en) Photoflash firing circuits employing series resistor-diode combinations
US4470801A (en) Photoflash unit with circuit pattern for redundant switching of lamps
GB1162697A (en) Electrical Photoflash Lamp
GB1518022A (en) Flash lamp array
US3669607A (en) Simplified diode circuit for sequentially flashing photoflash lamps
US3635647A (en) Electrical resistor circuit for sequentially flashing photoflash lamps
GB1330906A (en) Flash bulb device
EP0041722A1 (en) Photoflash array with selective pairing of lamps and switching of common circuit
US4371914A (en) Photoflash unit with circuit board radiation switches for selective pairing of lamps