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Class Information
Number: 396/463
Name: Photography > Camera detail > Shutter > Dynamo-electric actuator
Description: Subject matter having means to convert electrical energy to mechanical energy by means of an electromagnet to cause the shutter to actuate.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7625142 |
Light quantity adjusting device |
Dec. 1, 2009 |
| 7544003 |
Driving assembly of camera shutter and diaphragm |
Jun. 9, 2009 |
| 7513702 |
Non-contact shutter activation system and method |
Apr. 7, 2009 |
| 7455466 |
Magnetic actuator for adjusting an iris diaphragm in an optical device |
Nov. 25, 2008 |
| 7410310 |
Blade driving apparatus for cameras |
Aug. 12, 2008 |
| 7350990 |
Shutter device for camera lens assembly |
Apr. 1, 2008 |
| 7338221 |
Sector drive mechanism |
Mar. 4, 2008 |
| 7304409 |
Driving device and light amount controller |
Dec. 4, 2007 |
| 7156564 |
Blade driving device for use in cameras |
Jan. 2, 2007 |
| 7140790 |
Sector drive assembly for camera |
Nov. 28, 2006 |
| 7122920 |
Motor and optical apparatus |
Oct. 17, 2006 |
| 7104708 |
Sector drive unit for camera |
Sep. 12, 2006 |
| 7104707 |
Light quantity adjusting device |
Sep. 12, 2006 |
| 7070343 |
Sector drive assembly for camera |
Jul. 4, 2006 |
| 7053514 |
Image apparatus and drive motor |
May. 30, 2006 |
| 6981807 |
Electromagnetic drive device and light quantity adjustment device using the same |
Jan. 3, 2006 |
| 6960848 |
Electromagnetic drive device and light quantity adjustment device using the same |
Nov. 1, 2005 |
| 6929410 |
Camera shutter |
Aug. 16, 2005 |
| 6926454 |
Electromagnetic driving unit and light quantity regulating apparatus using the same |
Aug. 9, 2005 |
| 6899472 |
Electromagnetic drive |
May. 31, 2005 |
| 6880988 |
Actuator |
Apr. 19, 2005 |
| 6860655 |
Driving apparatus, light-amount regulating apparatus, and lens driving apparatus |
Mar. 1, 2005 |
| 6836201 |
Electrically driven bistable mechanical actuator |
Dec. 28, 2004 |
| 6821033 |
Electromagnetic actuator and shutter device for camera |
Nov. 23, 2004 |
| 6798987 |
Driving apparatus, light-amount regulating apparatus, and lens driving apparatus |
Sep. 28, 2004 |
| 6796729 |
Shutter for camera |
Sep. 28, 2004 |
| 6796728 |
Focal plane shutter |
Sep. 28, 2004 |
| 6779933 |
Light-quantity adjusting apparatus and optical apparatus |
Aug. 24, 2004 |
| 6767146 |
Aperture mechanism |
Jul. 27, 2004 |
| 6733192 |
Electromagnetic actuator and camera blade driving device |
May. 11, 2004 |
| 6726380 |
Camera blade driving device |
Apr. 27, 2004 |
| 6719463 |
Drive apparatus, light quantity adjusting apparatus, and lens drive apparatus |
Apr. 13, 2004 |
| 6714733 |
Step motor with interpole pair stabilizing rest position |
Mar. 30, 2004 |
| 6705776 |
Electromagnetic actuator and shutter device for camera |
Mar. 16, 2004 |
| 6702484 |
Shutter for camera |
Mar. 9, 2004 |
| 6694095 |
Motor driving apparatus |
Feb. 17, 2004 |
| 6687457 |
Camera frame assembly having four-bar linkage shutter actuator |
Feb. 3, 2004 |
| 6661020 |
Servo-shutter mechanism for detecting defects in cans |
Dec. 9, 2003 |
| 6591066 |
Motor and photographing apparatus |
Jul. 8, 2003 |
| 6572283 |
Camera drive device |
Jun. 3, 2003 |
| 6565270 |
Light quantity controller and camera system including the same |
May. 20, 2003 |
| 6550986 |
Light quantity controller |
Apr. 22, 2003 |
| 6547457 |
Camera shutter unit |
Apr. 15, 2003 |
| 6494626 |
Focal plane shutter |
Dec. 17, 2002 |
| 6493513 |
Exposure control device for camera preventing shutter release before aperture changeover |
Dec. 10, 2002 |
| 6473217 |
Diaphragm device |
Oct. 29, 2002 |
| 6443635 |
Electromagnetic actuator with auto-retaining of rotor at triple positions |
Sep. 3, 2002 |
| 6421088 |
Digital camera with an adjusting device for adjusting its lens and irises |
Jul. 16, 2002 |
| 6370336 |
Auxiliary drive system for running-in movable components |
Apr. 9, 2002 |
| 6343881 |
Camera shutter apparatus |
Feb. 5, 2002 |
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