JPS55120019A - Moving coil device for camera - Google Patents

Moving coil device for camera

Info

Publication number
JPS55120019A
JPS55120019A JP2770479A JP2770479A JPS55120019A JP S55120019 A JPS55120019 A JP S55120019A JP 2770479 A JP2770479 A JP 2770479A JP 2770479 A JP2770479 A JP 2770479A JP S55120019 A JPS55120019 A JP S55120019A
Authority
JP
Japan
Prior art keywords
coil
output shaft
reinforcing plate
yoke
inverted
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.)
Pending
Application number
JP2770479A
Other languages
Japanese (ja)
Inventor
Minoru Kawada
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.)
Mamiya Camera Co Ltd
Original Assignee
Mamiya Camera 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
Application filed by Mamiya Camera Co Ltd filed Critical Mamiya Camera Co Ltd
Priority to JP2770479A priority Critical patent/JPS55120019A/en
Publication of JPS55120019A publication Critical patent/JPS55120019A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electromagnets (AREA)
  • Shutters For Cameras (AREA)

Abstract

PURPOSE: To obtain a moving coil device for camera in thin structure enabling to draw out the output shaft in an arbitrary direction, by constituting the coil in flat plate, and disposing the magnet and yoke in a way to sandwich the coil.
CONSTITUTION: A coil 10 is formed by gluing two flexible print coils 11 of the shape having conductors placed on the rectangular sides to a reinforcing plate 12, setting each central part face to face, and the upper and lower parts projecting from the reinforcing plate 12 are folded in plural layers. This coil 10 is placed between a permanent magnet 21 and a yoke 22. In this device, when power is supplied to the coil 10 through the lead wire of spring type, the coil 10 makes linear motions within the slidable range by oval hole in the reinforcing plate 12 and guide pin 25 due to action of magnetic gap and magnetic field in the magnetic circuit 20. When the direction of power supply to the coil 10 is inverted, the direction of motion is also inverted. The output shaft is drawn out to the outside, through either output shaft hole 24 in the yokes 22a, 22b, or the output shaft hole in upper or lowr cover 31, 32.
COPYRIGHT: (C)1980,JPO&Japio
JP2770479A 1979-03-12 1979-03-12 Moving coil device for camera Pending JPS55120019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2770479A JPS55120019A (en) 1979-03-12 1979-03-12 Moving coil device for camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2770479A JPS55120019A (en) 1979-03-12 1979-03-12 Moving coil device for camera

Publications (1)

Publication Number Publication Date
JPS55120019A true JPS55120019A (en) 1980-09-16

Family

ID=12228366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2770479A Pending JPS55120019A (en) 1979-03-12 1979-03-12 Moving coil device for camera

Country Status (1)

Country Link
JP (1) JPS55120019A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113620A (en) * 1975-03-28 1976-10-06 Fuji Photo Film Co Ltd A wing for optical instrument
JPS5370310A (en) * 1976-12-03 1978-06-22 Fujitsu Ltd Moving coil type motors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51113620A (en) * 1975-03-28 1976-10-06 Fuji Photo Film Co Ltd A wing for optical instrument
JPS5370310A (en) * 1976-12-03 1978-06-22 Fujitsu Ltd Moving coil type motors

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