Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7386228 | Image taking apparatus and image taking method An image taking apparatus installed with an image blur correction unit for correcting image blur by combining images, so image taking time in a case of continuous shooting of the images is prevented from being long and operations are carried out in a manner in which... | 06/10/2008 |
| 7042660 | Lens barrel holding apparatus, lens barrel and camera system A lens barrel holding apparatus includes a first holding member, a second holding member attached to the first holding member in an openable/closable manner for fastening a lens barrel in cooperation with the first holding member to hold the lens barrel and a fasten... | 05/09/2006 |
| 4215923 | Programmed shutter A camera shutter having a sector operating member for use in opening and closing a sector which is also used as an aperture vane and has a normally closed condition, a driving member which is moved by itself after a release operation, a sector opening mem... | 08/05/1980 |
| 3961339 | Automatic exposure control means for single-lens reflex camera Both the shutter speed and the diaphragm opening are selected in accordance with the exposure value measured by an exposure meter. A step cam plate is brought into engagement with the pointer of the exposure meter and the amount of movement of the step ca... | 06/01/1976 |
