Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 6407873 | Safety shutter A safety shutter suitable for intercepting an energy beam. The safety shutter includes at least one shutter blade having a top end and a bottom end. At least one motor is coupled to the bottom end of the shutter blade such that the motor rotates the shutt... | 06/18/2002 |
| 6068412 | Shutter mechanism prevents accidental shutter opening due to physical shock A shutter mechanism comprising an aperture through which ambient light is passed to cause a film exposure, a pair of shutter blades supported for pivotal opening movement in opposite opening directions away from one another to uncover the aperture to perm... | 05/30/2000 |
| 5828920 | Translational electromagnetic camera shutter for variable aperture applications A shutter is disclosed having a shutter blade frame comprised of two spaced apart rails, each rail incorporating at least one magnet section. Individual pairs of electromagnets are positioned for movement along the rails. At least one shutter blade, havin... | 10/27/1998 |
| 5797055 | Focal plane shutter and method for producing same An extremely durable, super-high speed shutter with speeds of 1/8000 second or faster advantageously increases the blade acceptance rate, reduces the cost, prevents abnormalities such as light leaking between the curtains and the like, contributes to the ... | 08/18/1998 |
| 5701525 | Camera encoder assembly, system and method thereof A camera shutter and focus encoder assembly comprises an encoder mask fixed in a camera housing and having an arcuate window having alternating opaque and transmissive portions, and an encoder sheet mounted in the housing in abutting relationship with the... | 12/23/1997 |
| 5678105 | Camera shutter and focus lens assembly A camera shutter and focus lens assembly includes a rotary motor having a central shaft, and a rotary beam actuator connected to the shaft. A moveable focus lens, a first shutter blade, and a second shutter blade are in mechanical communication with the a... | 10/14/1997 |
| 5502525 | Shutter blades for increasing uniformity of oblique incident light In a photographing device of the kind having a plurality of blades disposed one after another in an overlapping manner in the direction of the optical axis of a photo-taking lens, with an exposing aperture part for high luminance included in an exposing a... | 03/26/1996 |
| 5392085 | Focal-plane shutter apparatus A focal-plane shutter apparatus is arranged such that, from a state that an image plane is substantially doubly covered with a first vane group and a second vane group and with release of camera, the second vane group withdraws outside the image plane and... | 02/21/1995 |
| 5315889 | Iris drive mechanism An iris drive mechanism has two slidable diaphragms which are operatively connected with a motor through a lever arrangement which, for a given motor output shaft rotational speed moves the diaphragms slowly at their extreme positions wherein the aperture... | 05/31/1994 |
| 4621916 | Magnetic positioning and contouring of a blade mechanism There is disclosed an arrangement for magnetically maintaining a magnetically permeable and flexible blade mechanism of a photographic apparatus in a preselected orientation with respect to itself and a lens element despite movement of the blade mechanism... | 11/11/1986 |
| 4558937 | Electromagnetic blade mechanism There is disclosed an improved electromagnetic actuator for use in shutter applications. Included in the actuator is a magnetic arrangement for minimizing the effects of forces on the actuator armature which would adversely affect armature performance.... | 12/17/1985 |
| 4540260 | Shutter mechanism of a camera A shutter of a camera having an opening member for opening a shutter aperture and a closing member for closing the aperture. The focal plane shutter shields the aperture from light by both the opening member and the closing member immediately after termin... | 09/10/1985 |
| 4531820 | Electromagnetic actuator generating equal and opposing force vectors An electromagnetic actuator is disclosed which develops generally equal and opposing force vectors acting on an armature. This is done by constructing and arranging a permanent magnet assembly, the armature and a conductor assembly to achieve the foregoin... | 07/30/1985 |
| 4527876 | Exposure control shutter of a camera An exposure control shutter of a camera having an exposure opening, comprising first and second plane shutter blades, each shutter blade having a relatively large aperture and a relatively small aperture. The first and second shutter blades, one being dis... | 07/09/1985 |
| 4505563 | Electronic shutter for still cameras An electronic shutter mechanism for a still camera comprises a shutter blade, preferably carrying a solenoid armature, urged by a first spring into an initial lens aperture closing position. An initially latched actuating member for moving the shutter bla... | 03/19/1985 |
| 4400073 | Safety device for a camera with a winding motor A camera of the type having a winding motor is provided with a timer circuit which, after the lapse of a predetermined length of time, forcibly effects a supply of power to the winding motor when the shutter blades fail to travel in a normal way, and even... | 08/23/1983 |
| 4384778 | Integral, planar electromagnetic camera element/actuator An exposure regulating element for a photographic camera is formed from a one piece sheet of light weight, non-magnetic, electrically conductive metal to provide a light regulating blade, a flexure hinge for urging the blade toward an initial aperture cov... | 05/24/1983 |
| 4334749 | Camera having an electromagnetically driven shutter A camera having an electromagnetic driving source for operating a focal plane shutter in the camera, includes a shutter base plate and a driving arm pivoted on the base plate for swinging movement in a plane parallel to the plate. A group of thin shutter ... | 06/15/1982 |
| 4325630 | Automatic masking device including an aperture extension means An automatic masking device including an aperture extension means for use in a printer, wherein a reproduction picture to be projected onto a photosensitive film sheet mounted on a holder is masked by masking plates which are arranged in front of the hold... | 04/20/1982 |
| 4129367 | Exposure control system A camera control and exposure system for cameras of the self-developing type includes "scanning type" shutter blade elements which can be quickly closed to terminate an exposure interval by a magnet actuated closing spring arrangement which is thereafter ... | 12/12/1978 |
| 4129371 | Electromagnet controlled scanning shutter blade arrangement A "scanning type" photographic shutter blade mechanism is manually actuated to open, thereby commencing a photographic exposure cycle, by a resilient opening drive element. The "scanning type" shutter blade mechanism is thereafter closed to terminate the ... | 12/12/1978 |
| 4121235 | Electromagnetically operated shutter mechanism An electromagnetically operated shutter mechanism comprising first and second shutter members supported for movement in the opposite directions to each other for selectively closing and opening an exposure aperture. Permanent magnets are respectively moun... | 10/17/1978 |
| 4112449 | Stop motion device for motor driven device In a motor driven device having a switch for opening and closing an electric circuit for driving a motor, a stop motion device adapted to transmit the drive of the motor to produce an output comprises first transmission means displaceable between a closin... | 09/05/1978 |
| 4104660 | Camera having automatic shutter recock by film processing mechanism A camera of the type employing a removable film cartridge including a plurality of individual film units, which are exposed and ejected one by one to complete their development outside the camera, has a base, a motor carried on the base, and an exposure h... | 08/01/1978 |
| 4040072 | Shutter latch arrangement releasable through shutter blade actuation and resettable through film advancement This invention relates to a photographic camera having an automatic shutter latch mechanism which may be released in response to initial shutter blade movement resulting from energization of the shutter drive means and which may thereafter be moved into p... | 08/02/1977 |
| 4038674 | Shock inhibiting arrangement for latched shutter blade mechanism This invention relates to a shock inhibiting means for use with an automatic shutter latch mechanism of the type which may be released in response to initial shutter blade movement resulting from energization of the shutter drive means and which may there... | 07/26/1977 |
| 4024552 | Electromagnetically driven optical blade A thin electromagnetic coil sheet is sealed in a plastic blade. The coil sheet is composed of a plastic film substrate and a photo-etched coil deposited thereon. The coil sheet is sealed in the plastic blade at the middle of the thickness thereof.... | 05/17/1977 |
| 4003652 | Shutter-opening presetting mechanism for motion picture copying apparatus Variation in the width of the shutter opening in a motion picture film copying machine is rapidly effected to control the amount of light passed through the shutter for transmission of the image from the master film onto the blank sensitized film running ... | 01/18/1977 |
| 3995295 | Electro-mechanical shutter system having mechanical latch An exposure control system for photographic apparatus utilizing electrically controlled shutter-diaphragm blades and employing a latch, for holding the blades in a light-blocking condition, which is automatically released responsive to actuation of the bl... | 11/30/1976 |
| 3961345 | Opening and closing means for electrically controlled shutters An opening and closing means for electric shutters comprising a single actuating member capable of controlling, during its movement in one direction, both of opening and closing of shutter blades for the purpose of providing a shutter of simple constructi... | 06/01/1976 |
| 3938168 | High speed camera shutter A camera is provided with a camera shutter including two substantially planar plates longitudinally arranged and set in tandem. The plates are provided with exposure clearances and are longitudinally movable into successive overlying positions for alignin... | 02/10/1976 |
