"Inventing is a combination of brains and materials. The more brains you use, the less material you need."
Charles Kettering
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8186895 | Impulse actuated MEMS devices An apparatus, useful in, for example, a miniature camera, includes an object, e.g., an optical element such as a shutter blade, an actuator operable to apply an impulse to the object such that the object moves from a first position to a second position, and at least... | 05/29/2012 |
| 7972070 | Impulse actuated MEMS devices An impulse actuated device for, e.g., an optical element of a digital camera, includes an elongated flexure having a first end upon which the optical element is disposed, and an opposite second end fixed so as to constrain the element to move along an arcuate, relat... | 07/05/2011 |
| 7832948 | Impulse actuated MEMS devices An impulse actuated mechanism for, e.g., a digital camera shutter, includes a shutter blade disposed at a first end of a flexure having an opposite second end fixed so as to constrain the blade to move along a planar, relatively long, first trajectory between opposi... | 11/16/2010 |
| 7559707 | Screen system A screen assembly is disclosed including a case, a screen assembly, and a bracket assembly that supports the screen assembly within an interior region of the case. ... | 07/14/2009 |
| 6930723 | Quantity-of-light adjusting apparatus In a quantity-of-light adjusting apparatus having an iris and an ND filter which limit incident light, a control method for the quantity-of-light adjusting apparatus, and a computer program product providing a control program for the quantity-of-light adjusting appa... | 08/16/2005 |
| 6547457 | Camera shutter unit The camera shutter unit of the present invention comprises a diaphragm blade arranged to be capable of moving between a stopping-down position wherein an aperture is stopped down, and an evacuating position wherein the aperture is opened. A shutter blade ... | 04/15/2003 |
| 6092431 | Rotary type driving device employing electromechanical transducer and apparatus provided with the rotary type driving device A driving device (actuator) 10 includes a driving shaft 16 which is Linearly driven in the axial direction by a piezoelectric element 15 and two disks 18a and 18b which are made of an elastic material and fixed to a rotary shaft 17. Peripheral portions of... | 07/25/2000 |
| 5878296 | Preview apparatus in single lens reflex camera A preview apparatus in a single lens reflex camera is provided in which a mirror drive mechanism, a diaphragm drive mechanism, and a shutter are driven in association with the rotation of a single-revolution cam gear which is driven by a motor. When the r... | 03/02/1999 |
| 5864725 | Control method of single lens reflex camera having preview function and single lens reflex camera A method for controlling a single lens reflex camera having a preview function is provided in which a mirror drive mechanism, a diaphragm drive mechanism, and a shutter are driven in association with the rotation of a single-revolution cam gear which is d... | 01/26/1999 |
| 5663839 | Zoom lens barrel having a rotatable diaphragm mechanism and a mechanism for correcting an aperture diameter during zooming A zoom lens barrel has a first lens unit, a second lens unit sharing an optical axis with the first lens unit, a fixed barrel for containing the first lens unit and the second lens unit, a first lens unit shifting frame held in the fixed barrel so as to b... | 09/02/1997 |
| 5140362 | Shutter for single lens reflex camera A shutter for a single lens reflex camera performs exposure operation by means of a drive motor after closing once an opening responding to release operation from a state that the shutter opening is opened. Said shutter provides a drive member actuated by the ... | 08/18/1992 |
| 4835558 | Position control device for use in a camera A position control device which comprises a ratch wheel adapted to rotate in interlock with motion of an object to be positioned, a rotation detecting unit adapted to detect an amount of rotation of the ratch wheel, a combination solenoid provided with a ... | 05/30/1989 |
| 4702583 | Drive device for lens barrel and diaphragm shutter A drive device for a lens barrel and a diaphragm shutter is disclosed. The drive device of this invention comprises a stepping motor including a stator and rotors. The stator is constituted by a plurality of stator members disposed around a lens barrel, e... | 10/27/1987 |
| 4470679 | Central shutter for cameras, especially professional cameras On professional camera shutters, with an objective comprising a lens system defining an objective light passage, and a polygonal diaphragm, the leaves of which can be actuated by means of a diaphragm actuator control curve cam and in turn be pivoted out o... | 09/11/1984 |
| 4443083 | Driving apparatus in a camera In a single lens reflex camera having a reflecting mirror provided across the light path of a light beam travelling toward a film surface past the stop of a phototaking lens so as to be retractable from the light path, an apparatus for driving the stop de... | 04/17/1984 |
| 4441800 | Driving system in camera A portion of the driving force for the aperture control apparatus is used to accumulate mechanical energy as required to drive a certain particularly selected device which is to be operated after the operation of the aperture control apparatus. To this en... | 04/10/1984 |
| 4354753 | Reflex camera having a focal plane shutter and an interchangeable variable shutter objective Reflex camera having a focal plane shutter in the camera body and a time adjuster associated with the focal plane shutter, and an interchangeable variable central shutter objective and a time adjuster associated with the central shutter, the focal plane s... | 10/19/1982 |
| 4354752 | Photographic camera A photographic camera having a rear lens carrier with a ground-glass screen frame capable of receiving a separate film cassette insertable thereat, and having a front lens carrier frame provided with a between-the-lens shutter containing electromagnetical... | 10/19/1982 |
| 4298266 | Interchangeable lens for cameras, such as reflex cameras Interchangeable lens assembly having a composite two part telescoping force transmission shaft, which functions as a cocking and releasing member, which has one end engageable with the cocking member of the shutter system and the other end engageable with... | 11/03/1981 |
| 4062029 | Lens shutter actuating device for quick-return type single-lens reflex camera A single-lens reflex camera shutter having an operating ring driven in one direction by a gear-rack and pinion combination. The operating ring actuates the diaphragm and shutter blades and is stopped by a stop lever during the taking of an exposure. The s... | 12/06/1977 |
| 4041511 | Driving device of lens shutter of single-lens reflex camera A lens shutter for a quick-return single-lens reflex camera in which the diaphragm blades and shutter blades are operated by an operating ring driven rotationally in opposite directions by a driving device. The driving device has a pair of axially biased ... | 08/09/1977 |
| 4012750 | Camera shutter with diaphragm and electro-magnetic drive for diaphragm A camera shutter assembly is provided having segments which may be moved by electro-magnetic means. The diaphragm blades are also provided with electro-magnetic means and there are mechanical intermediate members so that the blades can be moved into an op... | 03/15/1977 |
| 4005459 | Interlocked manual stop-down and mirror-up mechanism for single lens reflex camera A manual stop button or depth of field button is coaxially mounted in a shaft portion of a self-timer charging lever, and a lens stopping-down operation is carried out by pushing the stop button into a predetermined depressed position when the self-timer ... | 01/25/1977 |
| 3987472 | Bellows device having an automatic diaphragm-interlocking mechanism A bellows device having an automatic diaphragm-interlocking mechanism comprises a camera mount, a bellows portion, a lens mount and a guide rail. The camera mount is provided with an interlocking lever operatively associated with the shutter mechanism of ... | 10/19/1976 |
| 3961343 | Method and arrangement for manual stop-down mirror-ups of single lens reflex camera A control assembly and method are disclosed for providing manual stop-down mirror-up operations in a single lens reflex camera having a camera ready condition wherein an automatic diaphragm arrangement normally biases a diaphragm operating member to a ful... | 06/01/1976 |