BR6912790D0 - Camera a cristal piezo eletrico - Google Patents

Camera a cristal piezo eletrico

Info

Publication number
BR6912790D0
BR6912790D0 BR212790/69A BR21279069A BR6912790D0 BR 6912790 D0 BR6912790 D0 BR 6912790D0 BR 212790/69 A BR212790/69 A BR 212790/69A BR 21279069 A BR21279069 A BR 21279069A BR 6912790 D0 BR6912790 D0 BR 6912790D0
Authority
BR
Brazil
Prior art keywords
piezo electric
electric camera
crystal piezo
crystal
camera
Prior art date
Application number
BR212790/69A
Other languages
English (en)
Portuguese (pt)
Inventor
J Bok
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of BR6912790D0 publication Critical patent/BR6912790D0/pt

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
    • G03B15/0463—Piezoelectric ignition mechanisms
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/70—Exposure-making shutters; Diaphragms with flash-synchronising contacts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Structure And Mechanism Of Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Shutters For Cameras (AREA)
BR212790/69A 1968-09-27 1969-09-26 Camera a cristal piezo eletrico BR6912790D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6813923A NL6813923A (cg-RX-API-DMAC7.html) 1968-09-27 1968-09-27

Publications (1)

Publication Number Publication Date
BR6912790D0 true BR6912790D0 (pt) 1973-01-18

Family

ID=19804782

Family Applications (1)

Application Number Title Priority Date Filing Date
BR212790/69A BR6912790D0 (pt) 1968-09-27 1969-09-26 Camera a cristal piezo eletrico

Country Status (9)

Country Link
US (1) US3677153A (cg-RX-API-DMAC7.html)
AT (1) AT291749B (cg-RX-API-DMAC7.html)
BE (1) BE739407A (cg-RX-API-DMAC7.html)
BR (1) BR6912790D0 (cg-RX-API-DMAC7.html)
DE (1) DE1947328A1 (cg-RX-API-DMAC7.html)
ES (1) ES371884A1 (cg-RX-API-DMAC7.html)
FR (1) FR2019054A1 (cg-RX-API-DMAC7.html)
GB (1) GB1240950A (cg-RX-API-DMAC7.html)
NL (1) NL6813923A (cg-RX-API-DMAC7.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968507A (en) * 1974-11-29 1976-07-06 Eastman Kodak Company Film advance-flash interlock mechanism
US3955205A (en) * 1975-03-10 1976-05-04 Eastman Kodak Company Film advance-flash interlock mechanism
US3958259A (en) * 1974-11-29 1976-05-18 Eastman Kodak Company Firing spring cocking mechanism
US4183648A (en) * 1978-03-29 1980-01-15 Eastman Kodak Company Synchronizing mechanism for flash firing and shutter actuation
US4407576A (en) * 1982-01-08 1983-10-04 Eastman Kodak Company Synchronizing mechanism for flash firing and shutter operation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538577A (en) * 1948-05-08 1951-01-16 Gen Electric Sparkless camera shutter and flash tube synchronizer
US2972937A (en) * 1958-03-14 1961-02-28 Gen Electric Flash apparatus

Also Published As

Publication number Publication date
ES371884A1 (es) 1971-11-16
NL6813923A (cg-RX-API-DMAC7.html) 1970-04-01
AT291749B (de) 1971-07-26
FR2019054A1 (cg-RX-API-DMAC7.html) 1970-06-26
US3677153A (en) 1972-07-18
GB1240950A (en) 1971-07-28
DE1947328A1 (de) 1970-07-09
BE739407A (cg-RX-API-DMAC7.html) 1970-03-25

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