BE872420A - Commutateur a double sensibilite - Google Patents

Commutateur a double sensibilite

Info

Publication number
BE872420A
BE872420A BE192053A BE192053A BE872420A BE 872420 A BE872420 A BE 872420A BE 192053 A BE192053 A BE 192053A BE 192053 A BE192053 A BE 192053A BE 872420 A BE872420 A BE 872420A
Authority
BE
Belgium
Prior art keywords
sensitivity switch
double sensitivity
double
switch
sensitivity
Prior art date
Application number
BE192053A
Other languages
English (en)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BE872420A publication Critical patent/BE872420A/fr

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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0286—Programmable, customizable or modifiable circuits
    • H05K1/0293—Individual printed conductors which are adapted for modification, e.g. fusable or breakable conductors, printed switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/01—Dielectrics
    • H05K2201/0104—Properties and characteristics in general
    • H05K2201/0112—Absorbing light, e.g. dielectric layer with carbon filler for laser processing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/17—Post-manufacturing processes
    • H05K2203/173—Adding connections between adjacent pads or conductors, e.g. for modifying or repairing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Contacts (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
BE192053A 1977-12-01 1978-11-30 Commutateur a double sensibilite BE872420A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/856,274 US4182608A (en) 1977-12-01 1977-12-01 Photoflash lamp unit utilizing radiation and voltage responsive switch devices

Publications (1)

Publication Number Publication Date
BE872420A true BE872420A (fr) 1979-05-30

Family

ID=25323219

Family Applications (1)

Application Number Title Priority Date Filing Date
BE192053A BE872420A (fr) 1977-12-01 1978-11-30 Commutateur a double sensibilite

Country Status (5)

Country Link
US (1) US4182608A (fr)
BE (1) BE872420A (fr)
CA (1) CA1123485A (fr)
DE (1) DE2851561C3 (fr)
NL (1) NL7811446A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320440A (en) * 1979-03-19 1982-03-16 Gte Products Corporation Connect switch
US4299558A (en) * 1979-05-21 1981-11-10 General Electric Company Switching devices for photoflash unit
US4336570A (en) * 1980-05-09 1982-06-22 Gte Products Corporation Radiation switch for photoflash unit
US4330821A (en) * 1980-05-09 1982-05-18 Gte Products Corporation Radiation switch for photoflash unit
EP0062884A1 (fr) * 1981-04-13 1982-10-20 GTE Products Corporation Dispositif flash d'allumage successif de plusieurs lampes éclairs utilisant interrupteurs sensibles au rayonnement
US4388606A (en) * 1981-04-13 1983-06-14 Gte Products Corporation Sequential photoflash array and fabrication employing radiation-activated switches
US4382774A (en) * 1981-05-07 1983-05-10 Gte Products Corporation Spark gap switch
US4379690A (en) * 1981-08-13 1983-04-12 Gte Products Corporation Photoflash switching array and fabrication utilizing silver-oxide coated solids
US4478571A (en) * 1982-09-27 1984-10-23 Gte Products Corporation Photoflash array humidity protected switches
US4487574A (en) * 1982-12-20 1984-12-11 General Electric Company Switching device for photoflash unit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532931A (en) * 1968-12-16 1970-10-06 Gen Electric Photoflash assembly for sequentially flashing lamps utilizing voltage and current responsive devices
US3990833A (en) * 1974-04-15 1976-11-09 General Electric Company Switching devices for photoflash unit
US3988647A (en) * 1974-09-27 1976-10-26 General Electric Company Method for making a circuit board and article made thereby
US3969065A (en) * 1974-11-04 1976-07-13 General Electric Company Switching devices for photoflash unit
US3994664A (en) * 1975-06-30 1976-11-30 General Electric Company Parallel electrical switches
US4080155A (en) * 1977-03-18 1978-03-21 General Electric Company Switching devices for photoflash unit

Also Published As

Publication number Publication date
NL7811446A (nl) 1979-06-06
DE2851561C3 (de) 1981-04-16
DE2851561B2 (de) 1980-07-31
DE2851561A1 (de) 1979-06-07
CA1123485A (fr) 1982-05-11
US4182608A (en) 1980-01-08

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