Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7316514 | Light controller and image pickup device including the same A light controller includes a substrate that has an optical path opening; at least a pair of blades that is reciprocally supported on the substrate and opens and closes the optical path opening; and a driver unit that drives the opening and closing of the pair of bl... | 01/08/2008 |
| 7190393 | Camera with improved illuminator An illumination and imaging system is provided with a co-axial illuminator that does not include a beamsplitter. The co-axial illuminator achieves efficiencies substantially in excess of those achieved with a beamsplitter. In one aspect, an optical stop is used to r... | 03/13/2007 |
| 7172349 | Light amount control device and optical apparatus with guard portion to protect ND filter from lever member Provided is a light amount control device eliminating a deviation in image forming position over the entire area of the variable range of an aperture due to an ND filter and assuring smooth stopping operation. The light amount control device of the present invention... | 02/06/2007 |
| 6947578 | Integrated identification data capture system A system (10) for capturing identification data pertaining to a subject is provided. The system (10) generally comprises a main support assembly (200) spaced a predetermined distance from the subject; a plurality of image capture devices (300... | 09/20/2005 |
| 6805500 | Focal-plane shutter for cameras A focal-plane shutter for cameras is constructed so that the second blade group is placed in a blade chamber on the shutter base plate side and the first blade group is placed in a blade chamber on the auxiliary base plate side. The auxiliary base plate is placed on... | 10/19/2004 |
| 6473217 | Diaphragm device The space required in the vicinity of a shutter aperture can be reduced to achieve an overall reduction in size of a device by providing a diaphragm mechanism for covering the shutter aperture formed of a plurality of members cooperating with each other t... | 10/29/2002 |
| 6467975 | Quantity-of-light adjusting device and optical apparatus having the same A quantity-of-light adjusting device includes a drive source, a base member having an opening formed therein, and a blade arranged to move by being driven by the drive source and having three openings formed therein side by side in a row in a moving direc... | 10/22/2002 |
| 6340252 | Light-quantity controlling device and apparatus using the same A light-quantity controlling device includes a driving source, a first light-quantity controlling member driven by the driving source and having a first elongated opening extending in a direction of movement of the first light-quantity controlling member,... | 01/22/2002 |
| 4668067 | Photographic shutter In a photographic shutter, an opening blade and a closing blade are settable in respective tensioned positions from which the blades can be released to first uncover and then recover an exposure opening. A cam device is mounted for unidirectional rotation... | 05/26/1987 |
| 4264166 | Photographic film cassette, cassette holder and system A photographic system is particularly adapted for use in a check security system and offers novel features and advantages for such systems. Such system includes a film cassette and film cassette holder. The film cassette may be molded from plastic parts and ca... | 04/28/1981 |
| 4139295 | Safety device for an electrically controlled camera slit shutter An electrically-controlled shutter mechanism is provided with a pair of shutter blades, i.e., leading and trailing blades, which are to be actuated one after another within a given time interval in order to expose film to scene light through a slit formed... | 02/13/1979 |
