Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
PatentStorm News
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 |
| 8118503 | Blade driving device for cameras A base plate is elongate and an opening for a photographing optical path is configured close to one end in its longitudinal direction. A shutter blade is rotatably mounted to the blade-mounting shank of the base plate so that when the opening is fully opened, a part... | 02/21/2012 |
| 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 |
| 7161745 | Aperture stop mechanism, illumination optical system, projection optical system, and projector An aperture stop mechanism is composed of a small number of components, and accurately controls the position of a member that defines the rim of an aperture. The aperture stop mechanism (2) includes an aperture base plate (21), two aperture blades (... | 01/09/2007 |
| 6818287 | Light shielding blade material for optical apparatus A light shielding blade material for use in an optical apparatus is constructed by a substrate composed of a plastic film having a pair of surfaces opposed to each other. A shield coating capable of blocking an incident light is formed on each surface of the substra... | 11/16/2004 |
| 6400443 | Exposure slit with light reflection hood An exposure slit for an image recording apparatus comprises a plate having an opening for the passage of light. First and second inclined walls extend toward each other from the plate to form a slit over the opening. The inclined walls form a light trap w... | 06/04/2002 |
| 6382847 | Shutter mechanism A rotary plate has an eccentric shaft and a recessed portion which are spaced from a rotary shaft. A shutter is connected to the eccentric shaft by a swing arm which is rotatable about the eccentric shaft. A pin is provided on the swing arm. When the rota... | 05/07/2002 |
| 6190060 | Light-shielding blade composed of beryllium-aluminum alloy for camera A light-shielding blade material is provided that contributes to increased focal plane shutter speeds. A focal plane shutter has a front blade group and a rear blade group, each being composed of a plurality of light-shielding blades. At least one of thes... | 02/20/2001 |
| 5920739 | Shutter mechanism with integral blade, spring, and trigger Described herein is a shutter mechanism (10) suitable for use in a single-use camera. The mechanism (10) comprises a mounting plate (12, 120) and a shutter member (14, 140) mounted thereon. Shutter member (14, 140) comprises a spring (141) connected to a ... | 07/06/1999 |
| 5640228 | Scanning exposure slit for an image-recording apparatus An exposure slit is provided for a shuttle style film gate in a film transport. The exposure slit is provided on a plate that is mounted to the film gate shuttle. After the shuttle advances a frame of the film, it carries the slit with it during its retur... | 06/17/1997 |
| 5606387 | Electromagnetic camera shutter with a conductive strip on the blade and a permanent magnet aperture An improved electromagnetic camera shutter incorporating an electrically conductive shutter blade having a hole there through that is connected in series to a pair of electrically conductive springs to urge the shutter blade into a first or a second posit... | 02/25/1997 |
| 5565960 | Scanning exposure slit for a shuttle style film gate An exposure slit is provided for a shuttle style film gate in a film transport. The exposure slit is provided on a plate that is mounted to the film gate shuttle. After the shuttle advances a frame of the film, it carries the slit with it during its retur... | 10/15/1996 |
| 5459544 | Camera with a shape memory alloy member A camera for exposing photosensitive medium such as a film and a CCD. The camera includes: a lens system for forming a light image on the photosensitive medium; a portion of the camera which requires a control mechanism for a better result of exposing suc... | 10/17/1995 |
| 5202715 | Plate member for use as material of light shielding blades A laminated plate member having a thickness of 60 to 120 μm and used as a material of focal plane shutter blades or iris blades of a camera has an intermediate layer made from a material composed of uni-directionally oriented continuous (long) or short c... | 04/13/1993 |
| 5025278 | Plate for light shielding blade A thin plate composed of a carbon fiber reinforced plastic laminate of plural reinforced resin sheets, in which each sheet has continuous carbon fibers oriented in a predetermined direction and matrix resin enveloping the carbon fibers, the matrix resin h... | 06/18/1991 |
| 5005034 | Camera mechanism A camera mechanism in which a shutter plate operating member is slidably mounted for movement between a cocked position and rest position and biased by biasing means into said rest position, and in which actuator means is provided for effecting said slidi... | 04/02/1991 |
| 4965617 | Plate for light shielding blade A thin plate composed of a carbon fiber reinforced plastic laminate of at least three reinforced resin sheets, in which each of the reinforced resin sheets is composed of continuous carbon fibers oriented in a perdetermined direction and matrix resin enve... | 10/23/1990 |
| 4763989 | Variable imaging mask for delineating the composition of a visible area A portable viewing mask for delineating an image to be recorded or re-composed artistically, photographically or by electro-magnetic means having a variable size viewing aperture. The mask consists of a sheath containing a movable slide which adjusts the ... | 08/16/1988 |
| 4660951 | Collapsible disposable camera with external film development means A disposable camera constructed to produce a single photograph and to collapse to a stored position. A top wall and bottom wall are spaced apart by a pair of inwardly folding side walls and a pair of outwardly folding side walls. A negative and associated... | 04/28/1987 |
| 4595258 | Shutter for radiation source of extended area Shutter 30 produces a pulsed emission from a beacon. Hot plate 40 radiates upward through openings 67. Shutter plate 52 slides to open and close the view of the hot plate. Outer optical plate 38 has divergent and adjoining reflector openings 67 so that a ... | 06/17/1986 |
| 4571045 | Light-intercepting blade for a light control device A light control device includes a planar light-intercepting blade disposed across the optical path of an optical device and driving means for holding the light-intercepting blade and moving the light-intercepting blade in the direction of the surface ther... | 02/18/1986 |
| 4518235 | Collapsible disposable camera A disposable camera constructed to produce a single photograph and to collapse to a stored position. A top wall and bottom wall are spaced apart by a pair of inwardly folding side walls and a pair of outwardly folding side walls. A negative is slidably mo... | 05/21/1985 |
| 4482231 | Light-intercepting blade for a light control device A planar light-intercepting blade adapted to be moved in the direction of surface thereof at a position across the optical path of an optical device to thereby control the quantity of light passing through the optical path comprises a pair of outer layers... | 11/13/1984 |
| 4368967 | Camera data recording device A photographic data recording mechanism in a camera includes a data illumination lamp, a first timing circuit actuated in response to the camera shutter release member for energizing the lamp for a set time interval and a second timing circuit also actuat... | 01/18/1983 |
| 4313659 | Electromagnetically driven slit exposure shutter In the slit exposure shutter disclosed, front and rear shutter blades carry permanent magnets along a passage of electromagnets which are excited to repel the permanent magnets and cause the blades to float in the gaps of the electromagnets.... | 02/02/1982 |
| 4130357 | Flexible shutter for photographic camera A photograhic camera is provided with a simple flexible shutter that is configured to bow in response to the axial focusing movement of the camera's lens in order to maintain a fixed shutter-to-lens distance as the camera's lens is focused.... | 12/19/1978 |
| 4100553 | Under-water photographic apparatus The present invention relates to apparatus for photography under water, and is directed generally to the complete or partial elimination of the fluid-tight bushings inevitably necessitated for the controls of such apparatus, by transferring to the exterio... | 07/11/1978 |
| 3955206 | Single lens reflex camera for use with a miniature film cartridge A single lens reflex camera, for use with a miniature film cartridge, has a follower shutter blade located behind the taking lens and a reflecting mirror serving also as a leading shutter blade co-operating with the follower shutter blade, is mouned obliq... | 05/04/1976 |
| 3946414 | Electric shutter with positive motion device An electric shutter with a positive motion device that insures positive action of the shutter. The shutter has a depressable release member that is restored by a spring when pressure thereon is released so that the release member is reset when the shutter... | 03/23/1976 |
