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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7391965 | Lens apparatus and image-taking apparatus A lens apparatus is disclosed, which is capable of keeping the engagement of a protruding portion of a first member and a cam groove portion of a second member even if an external force acts on the apparatus. The lens apparatus comprises: a first member including fi... | 06/24/2008 |
| 6382848 | Shutter for camera A shutter for a camera having a small size is driven by coil patterns formed in a spiral shape on at least one of a fixed printed board and a movable printed board. On faces of a shutter base plate and a sector ring opposed to each other, a cam mechanism ... | 05/07/2002 |
| 6269226 | Shutter device of camera A shutter device includes first and second light blocking members arranged to be movable to vary the amounts of opening, first and second motors arranged to drive respectively the first and second light blocking members, and a control circuit arranged to ... | 07/31/2001 |
| 5953550 | Shutter device of camera A shutter device includes first and second light blocking members arranged to be movable to vary the amounts of opening. First and second motors are arranged to drive respectively the first and second light blocking members, and a control circuit is arran... | 09/14/1999 |
| 5557360 | Apparatus for controlling an operation of a shutter A shutter operation control apparatus of the present invention includes at least two shutter sectors between which a size of an aperture is defined. The apparatus comprises a shutter control plate which is moved in one direction upon a shutter release ope... | 09/17/1996 |
| 5287140 | Control unit for a program shutter A program shutter adapted to close shutter blades having the function of diaphragm blades by a cam member operated with an electric motor has improved control accuracy in high brightness. A blade opening and closing member for opening and closing the shut... | 02/15/1994 |
| 4205910 | Control device for a camera shutter A control device for the shutter of a camera comprises an opening member for opening a shutter aperture to initiate taking of an exposure, a closing member for closing the aperture to complete the exposure, and opening and closing pawls for respectively r... | 06/03/1980 |
| 4069491 | Timing mechanism for photographic shutters Timing mechanism for timing an adjustable and controlled interval between commencement of movement of two light obstructing elements of a photographic shutter, such as commencement of movement of an opening blade or curtain, and subsequent commencement of... | 01/17/1978 |
| 4044368 | High speed exposure time control means for focal plane shutters A high speed exposure time control means for focal plane shutters wherein, in order that an always accurate high speed exposure time may be obtained, a rear blade actuating member is so made as to be released after the lapse of a fixed time from the time ... | 08/23/1977 |
| 3987463 | Automatic exposure control circuit for photomicrographic apparatus An automatic exposure control circuit comprises a pair of lamp circuits for displaying the fact that an automatic exposure is feasible and the exposure period which is automatically determined, as well as an electronic shutter circuit and an automatic shu... | 10/19/1976 |
| 3982256 | Rotary shutter blade mechanism for cameras Rotary shutter blade mechanism includes at least a shutter blade which rotates always in one direction. The driving energy of the shutter blade is recovered by a driving spring in the course of deceleration of the blade. An auxiliary actuating means is ad... | 09/21/1976 |
