BE407389A - - Google Patents

Info

Publication number
BE407389A
BE407389A BE407389DA BE407389A BE 407389 A BE407389 A BE 407389A BE 407389D A BE407389D A BE 407389DA BE 407389 A BE407389 A BE 407389A
Authority
BE
Belgium
Prior art keywords
sensitivity
limit
delay
time
connections
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE407389A publication Critical patent/BE407389A/fr

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/24Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil having light-sensitive input

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
BE407389D BE407389A (forum.php)

Publications (1)

Publication Number Publication Date
BE407389A true BE407389A (forum.php)

Family

ID=72199

Family Applications (1)

Application Number Title Priority Date Filing Date
BE407389D BE407389A (forum.php)

Country Status (1)

Country Link
BE (1) BE407389A (forum.php)

Similar Documents

Publication Publication Date Title
US2978970A (en) Photographic shutter construction
CH628423A5 (fr) Circuit electrique pour l'allumage d'un detonateur.
BE407389A (forum.php)
US4107705A (en) Bladed shutter
US3680460A (en) Motor driver diaphragm shutter
FR2676840A1 (fr) Appareil photo comportant un flash.
FR2729235A1 (fr) Circuit et procede de commande d'un appareil photographique a mode operatoire en obturateur b
KR900001578B1 (ko) 카메라용 자동촛점 조정장치
US2263045A (en) Synchronizer switching device
BE542484A (fr) Appareil à rayons x
BE386216A (forum.php)
CH394798A (fr) Caméra photographique
US2383644A (en) Photoelectric relay with automatic adjuster
FR2519155A1 (fr) Circuit de commande d'exposition pour un flash electronique automatique
FR2688901A1 (fr) Dispositif de bobinage de film.
BE653171A (forum.php)
JPS6217814Y2 (forum.php)
CH404234A (fr) Photomètre électronique
BE425039A (forum.php)
BE469176A (forum.php)
BE413390A (fr) Temporisateur applicable aux démarreurs automatiques à temps constant
FR2572923A1 (fr) Installation pour l'observation et la photographie de l'interieur de l'oeil
CH616250A5 (en) Electronic temperature regulator, use of this regulator
BE440873A (forum.php)
CH164964A (fr) Relais électromagnétique à deux enroulements avec retardateur.