JPS4020145B1 - - Google Patents

Info

Publication number
JPS4020145B1
JPS4020145B1 JP464161A JP464161A JPS4020145B1 JP S4020145 B1 JPS4020145 B1 JP S4020145B1 JP 464161 A JP464161 A JP 464161A JP 464161 A JP464161 A JP 464161A JP S4020145 B1 JPS4020145 B1 JP S4020145B1
Authority
JP
Japan
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.)
Pending
Application number
JP464161A
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 filed Critical
Publication of JPS4020145B1 publication Critical patent/JPS4020145B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • 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
    • G03B9/08—Shutters
    • 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
    • G03B9/08—Shutters
    • G03B9/46—Flap shutters pivoting about axis in plane of flap
    • G03B9/50—Louvre type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H01F7/1811—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current demagnetising upon switching off, removing residual magnetism

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Shutters For Cameras (AREA)
JP464161A 1960-03-19 1961-02-15 Pending JPS4020145B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL35676A DE1209420B (de) 1960-03-19 1960-03-19 Schaltungsanordnung zur magnetischen Steuerung eines Jalousieverschlusses

Publications (1)

Publication Number Publication Date
JPS4020145B1 true JPS4020145B1 (ja) 1965-09-08

Family

ID=7267177

Family Applications (1)

Application Number Title Priority Date Filing Date
JP464161A Pending JPS4020145B1 (ja) 1960-03-19 1961-02-15

Country Status (5)

Country Link
US (1) US3175128A (ja)
JP (1) JPS4020145B1 (ja)
CH (1) CH395251A (ja)
DE (1) DE1209420B (ja)
GB (1) GB912871A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1597154B1 (de) * 1967-09-19 1970-06-25 Compur Werk Gmbh & Co Photographischer Verschluss mit Antriebs-Magnetsystem
DE1772237B1 (de) * 1968-04-18 1970-08-27 Compur Werk Gmbh & Co Photographische Kamera mit einer elektronischen Zeitbildungseinrichtung
DE3836125A1 (de) * 1988-10-22 1990-05-03 Thomson Brandt Gmbh Schaltungsanordnung zur umkehrung eines magnetfeldes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE597869C (de) * 1934-06-01 Siemens Schuckertwerke Akt Ges Anordnung zum Abschalten von Induktivitaeten in Gleichstromkreisen
US2836247A (en) * 1954-05-17 1958-05-27 Exxon Research Engineering Co Extension of effective length of tubing
US2960635A (en) * 1957-01-24 1960-11-15 John L Confalone Relay circuit
US3009082A (en) * 1957-06-28 1961-11-14 Stimler Morton Remote control switching circuit

Also Published As

Publication number Publication date
GB912871A (en) 1962-12-12
CH395251A (de) 1965-07-15
DE1209420B (de) 1966-01-20
US3175128A (en) 1965-03-23

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