GB2003327B - Release electromagnet assemblies - Google Patents

Release electromagnet assemblies

Info

Publication number
GB2003327B
GB2003327B GB7834211A GB7834211A GB2003327B GB 2003327 B GB2003327 B GB 2003327B GB 7834211 A GB7834211 A GB 7834211A GB 7834211 A GB7834211 A GB 7834211A GB 2003327 B GB2003327 B GB 2003327B
Authority
GB
United Kingdom
Prior art keywords
electromagnet assemblies
release electromagnet
release
assemblies
electromagnet
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
GB7834211A
Other versions
GB2003327A (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.)
Olympus Corp
Original Assignee
Olympus Optical Co 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
Priority claimed from JP52101375A external-priority patent/JPS6022805B2/en
Priority claimed from JP13271177A external-priority patent/JPS6022806B2/en
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Publication of GB2003327A publication Critical patent/GB2003327A/en
Application granted granted Critical
Publication of GB2003327B publication Critical patent/GB2003327B/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/38—Releasing-devices separate from shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnets (AREA)
  • Shutters For Cameras (AREA)
GB7834211A 1977-08-23 1978-08-22 Release electromagnet assemblies Expired GB2003327B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP52101375A JPS6022805B2 (en) 1977-08-23 1977-08-23 Electromagnetic device for releasing restraint
JP13271177A JPS6022806B2 (en) 1977-11-04 1977-11-04 release type electromagnet device

Publications (2)

Publication Number Publication Date
GB2003327A GB2003327A (en) 1979-03-07
GB2003327B true GB2003327B (en) 1982-02-10

Family

ID=26442257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7834211A Expired GB2003327B (en) 1977-08-23 1978-08-22 Release electromagnet assemblies

Country Status (3)

Country Link
DE (1) DE2836705C2 (en)
FR (1) FR2401439A1 (en)
GB (1) GB2003327B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6002317A (en) * 1998-04-13 1999-12-14 Walker Magnetics Group, Inc. Electrically switchable magnet system
DE10159510A1 (en) * 2001-12-04 2003-06-12 Welcker F Safety unit for the gas supply to an equipment has a spring loaded valve, kept in the open position by a lever mechanism which can be tripped by levers held by an anchor at a magnet holder
DE102004034296B3 (en) * 2004-07-06 2005-06-23 Saia-Burgess Dresden Gmbh Electromagnetic actuator, e.g. for controlled switching, has armature with polarized permanent magnet between armature plates in sandwich construction that contacts yoke at least with end of upper plate, air gap between lower plate, yoke

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047848A (en) * 1962-08-09 1966-11-09 H E & B S Benson Ltd Improvements in d.c. electromagnets with permanentmagnet armatures
JPS5740522B2 (en) * 1974-01-18 1982-08-28
US3914723A (en) * 1974-07-15 1975-10-21 Price Edison Inc Positive action magnetic latching relay
DE2654111A1 (en) * 1975-12-11 1977-06-16 Minolta Camera Kk Magnetic contact operating device fed with signal - has yoke and cross piece made from same piece with armature spring

Also Published As

Publication number Publication date
DE2836705C2 (en) 1984-10-31
DE2836705A1 (en) 1979-03-08
GB2003327A (en) 1979-03-07
FR2401439B1 (en) 1982-10-29
FR2401439A1 (en) 1979-03-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee