Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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 |
| 6796729 | Shutter for camera A shutter for a camera capable of opening a shutter sector in a reduced period of time includes a shutter opening formed in a shutter plate, shutter sectors for opening and closing the shutter opening, a drive lever having a drive pin for operating the shutter secto... | 09/28/2004 |
| 6724988 | Lens-fitted photo film unit having aperture stop device A lens-fitted photo film unit is pre-loaded with photo film. A photometric circuit measures object brightness of a photographic object, and determines which of high brightness or low brightness the object brightness is according to comparison with a predetermined re... | 04/20/2004 |
| 6477328 | Shutter for a camera A shutter for a camera comprises sectors for opening and closing a shutter opening by reciprocal pivotal movement, a motor for reciprocally and pivotally moving the sectors by forwardly and reversely rotating a rotor of the motor by forward and reverse el... | 11/05/2002 |
| 5430518 | Remote control camera A remote control camera has a remote controller that emits a remote control signal. A remote control signal receiving device is provided in a camera body to receive the remote control signal emitted from the remote controller. The camera also includes a d... | 07/04/1995 |
| 5255037 | Shutter blade opening and closing device The camera shutter comprises two shutter blades which have first opening forming portions and second opening forming portions capable of alternatively forming two exposure openings different in area on an exposure aperture. These shutter blades are opened... | 10/19/1993 |
| 5032863 | Camera shutter and viewfinder control apparatus A shutter device for a still video camera comprises first and second shutter blades, a latch member and an unlatch member. The latch member latches the first blade at its moved position where an image pickup element is exposed to an image light. The first... | 07/16/1991 |
| 4669841 | Rotary shutter A rotary shutter adapted to be used in an electronic still camera comprises a rotatable shutter having shutter openings which are variable in size. The shutter is rotated by an electric motor in order to open and close intermittently an exposure aperture ... | 06/02/1987 |
| 4647175 | Circuit arrangement for an electronic exposure meter In a switching circuit for an electronic exposure meter in optical devices with a photoelectric converter at the input of an amplifier which logarithmizes the output current from said converter, with a temperature compensation circuit and a photoelectric ... | 03/03/1987 |
| 4589748 | Exposure control device for camera An exposure control device for use with a camera provided with two objective lenses having different focal length which are selectively used includes two exposure control elements which are disposed in front of and facing to the two objective lenses, resp... | 05/20/1986 |
| 4217051 | Exposure time setting device for shutter of camera A camera shutter has a control member movable when the shutter is released for successively actuating an opening member and a closing member to effect the taking of an exposure. A delay mechanism coacts with the control member to effect the selective sett... | 08/12/1980 |
| 4217049 | Shutter blade control device for automatic focusing camera In an automatic focusing camera, a shutter blade control device comprises a first movable actuating member for controlling a focusing member, a second movable actuating member for controlling a shutter blade control member and a delay device mounted on on... | 08/12/1980 |
| 4190342 | Mechanism for controlling a timed function in a camera A spring member is provided to oscillate a magnet selectively at different initial amplitudes and, after dampening for respective different intervals of time, at a predetermined lesser amplitude. During such oscillation, the magnet applies an attractive f... | 02/26/1980 |
| 4184760 | Scanning shutter blade arrangement with inertial wheel In a photographic camera apparatus, there is provided an exposure control system of the type embodying "scanning" shutter blade elements in which the opening shutter blade movement is slowed by way of an inertial wheel which is rotated in concert with the... | 01/22/1980 |
| 4129370 | Controlling circuit for electric shutters A controlling circuit for electric shutters comprising at least one constant current circuit, a pair of capacitors to be charged in advance by a current source battery through the constant current circuit and a pair of driving coils to be energized in tur... | 12/12/1978 |
| 4112451 | Low-inertia electronic shutter In a self-cocking impact shutter, an opening blade is held closed prior to shutter actuation by engagement of a releasably held impact driver with a first tab on the opening blade. When the impact driver is released, it encounters a second tab on the open... | 09/05/1978 |
| 4057812 | Camera shutter having an electronic timing device A camera shutter that has an electronic timing device and a photo-electric resistor and associated capacitor timing circuit; a charge starting contact is actuatable to commence the timing circuit action, and an electro-magnetically actuated locking device... | 11/08/1977 |
| 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 |
| 3969738 | Exposure control system with inertial characteristic An exposure control system for photographic apparatus includes inertial means for selectively presenting an inertial characteristic to influence the movement of the exposure control system shutter blade elements. The inertial characteristic influences the... | 07/13/1976 |
| 3969739 | Exposure control system with selectively presentable inertia member An exposure control system for photographic apparatus is provided with an inertial member, the inertia characteristic of which may be selectively presented for movement in correspondence with the shutter blade elements of the exposure control system. The ... | 07/13/1976 |
| 3956761 | Shutter device for a photographic camera A shutter device for a photographic camera has a pair of shutter blade members movable between first and second rest positions for opening or closing the camera aperture, including drive devices associated with the blade members for moving them in the sam... | 05/11/1976 |
| 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 |
