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| Number | Title | Issue Date |
| 7428376 | Lens driving mechanism, lens unit and image pickup apparatus A lens driving mechanism is disclosed which can achieve miniaturization of the mechanism by simplification and enhancement of the reliability in position control of a movable block. The lens driving mechanism includes a piezoelectric element deformed when energized ... | 09/23/2008 |
| 6027260 | Camera shutter and driving device having piezoelectric element for use therewith A camera shutter having a shutter aperture, shutter blades, and a driving device for driving the shutter blades to open and close the shutter aperture. The driving device includes a pair of lever members spaced apart and confronting each other across the ... | 02/22/2000 |
| 5678106 | Driver for piezoelectric actuator and shutter control device utilizing piezoelectric device A driving device for a piezoelectric actuator, in which a voltage is applied to a piezoelectric actuator to generate a mechanical deformation therein, thus actuating a mechanical system. In an aspect, the piezoelectric actuator is at first given a voltage... | 10/14/1997 |
| 5659821 | Driving apparatus employing vibration type motor with standing wave control of camera shutter system The present invention relates to a driving apparatus arranged to perform driving control of a travelling member, such as a shutter member, by using a vibration wave motor. According to the present invention, the travelling member is arranged to be driven ... | 08/19/1997 |
| 5371427 | Driver for piezoelectric actuator and shutter control device utilizing piezoelectric device There is disclosed a driving device for piezoelectric actuator, in which a voltage is applied to a piezoelectric actuator to generate a mechanical deformation therein, thus actuating a mechanical system. In an aspect, the piezoelectric actuator is at firs... | 12/06/1994 |
| 5185621 | Charging device for camera A charging device for cameras which is usable for a charging apparatus as a driving source for various operations within a camera. The charging device has a linear actuator of a shape memory alloy which extends and contract by the shape restoring action thereo... | 02/09/1993 |
| 5017954 | Camera shutter with thermal actuator An electrically operated shutter for photographic apparatus, particularly cameras, wherein a movable element for blocking and unblocking the light path to the film is operated by the bending and unbending of a bimetallic element upon heating by electric c... | 05/21/1991 |
| 4963916 | Photographic camera A photographic camera of the type including a piezo-electric actuating element driven by energy accumulated in a capacitor for actuating a shutter wherein the piezo-electric element operates in stability to assure accurate appropriate opening and closing ... | 10/16/1990 |
| 4884090 | Piezoelectric actuating device A piezo-electric actuating device employing a piezo-electric element as an actuating member wherein a sufficient amount of movement of a driven member such as a shutter of a camera can be assured. The piezo-electric element of the device includes a first ... | 11/28/1989 |
| 4882602 | Photographic camera having a piezo-electric actuating element A photographic camera of the type including a piezo-electric actuating element driven by energy accumulated in a capacitor for actuating a shutter wherein the piezo-electric element operates in stability to assure accurate appropriate opening and closing ... | 11/21/1989 |
| 4873544 | Photographic camera having a piezo-electric actuating element A photographic camera of the type including a piezo-electric actuating element driven by energy accumulated in a capacitor for actuating a shutter wherein the piezo-electric element operates in stability to assure accurate appropriate opening and closing ... | 10/10/1989 |
| 4868597 | Photographic camera having a piezo-electric actuating element A photographic camera of the type including a piezo-electric actuating element driven by energy accumulated in a capacitor for actuating a shutter wherein the piezo-electric element operates in stability to assure accurate appropriate opening and closing ... | 09/19/1989 |
| 4868595 | Photographic camera A photographic camera of the type including a piezo-electric actuating element driven by energy accumulated in a capacitor for actuating a shutter wherein the piezo-electric element operates in stability to assure accurate appropriate opening and closing ... | 09/19/1989 |
| 4799078 | Camera with shutter actuated by piezoelectric element and flash light emitting means A camera with a flash light emitting element and a piezoelectric element for actuating a shutter wherein successive rapid photographing is enabled. The camera comprises a single main capacitor, and a first voltage detecting means for detecting a first cha... | 01/17/1989 |
| 4198140 | Piezoelectric camera shutter An exposure control device is disclosed a preferred form of which includes a shutter which is openable to permit scene light to pass through a camera aperture, an electronic circuit for producing a signal which varies with the level of scene illumination,... | 04/15/1980 |
| 4190336 | Piezoelectric power supply for cameras A shutter control device is disclosed which includes a shutter which is openable to permit scene light to pass through a camera aperture, an electronic circuit for controlling the shutter to automatically establish exposure duration in accordance with the... | 02/26/1980 |
| 4162832 | Exposure control with piezoelectric latch control A camera is disclosed which includes a shutter blade magnetically latchable in an open position to permit scene light to pass through a camera aperture, flexible piezoelectric energy converter, such as a Bimorph element, movable upon being subjected to an... | 07/31/1979 |
| 4119979 | Timed piezoelectric shutter control for cameras A camera is disclosed which includes a shutter latchable in an open position to permit scene light to pass through a camera aperture, an electronic circuit for producing a sudden change in voltage after an exposure period determined by the level of scene ... | 10/10/1978 |
| 4104657 | Piezoelectric electronic shutter control for cameras A shutter control device is disclosed which includes a shutter which is openable to permit scene light to pass through a camera aperture, an electronic circuit for producing a signal which varies in accordance with the level of scene illumination, and a s... | 08/01/1978 |
