Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 6700336 | Apparatus for supplying deflection power for use in a display and control method thereof An apparatus for supplying a deflection power for use in a display and a control method thereof. The apparatus includes a high voltage outputting portion having a first coil connected to a rectifier and a second coil, coupled with the first coil, which ou... | 03/02/2004 |
| 6665493 | Camera film feed device and film feed method A camera film feed device is provided for enabling freely loadable placement of a film magazine which has a takeup shaft on which a film is wound and which has a film leader protruding from a film feeding opening. The camera film feed device includes a ma... | 12/16/2003 |
| 6381417 | Data reading apparatus A data reading apparatus adapted for a film cartridge having a data recording part provided on a predetermined moving member includes a first data reading device which reads data from the data recording part moving, a second data reading device which read... | 04/30/2002 |
| 6275660 | Manual-wind camera A manual-wind camera having a wind lever in which a film having no sprocket holes is loaded, the film being wound on a take-up spool, frame by frame, by manually operating the wind lever, includes a pulse generator which generates pulses in accordance wit... | 08/14/2001 |
| 6275662 | Film cartridge loader for camera A film cartridge loader for a camera includes a film cartridge chamber having an opening into which a film cartridge can be loaded, a film cartridge chamber lid, a lid locking unit, a lid close detecting unit, an ejecting unit, a film cartridge intercepti... | 08/14/2001 |
| 6175696 | Camera including jam detection and correction mechanism for automatic film feed cartridge system A camera for thrusting a film from a film cartridge by rotationally driving a spool in the film cartridge has a measuring construction for measuring the amount of the film thrust from the film cartridge, a sensing construction for sensing the position of ... | 01/16/2001 |
| 6163654 | Camera with partial exposed frame film detector and battery monitor A camera which determines whether a film cartridge loaded in the camera is a partial cartridge, containing photographic film having an exposed frame and an unexposed frame, or not, and feeds the photographic film from the loaded film cartridge up to a fir... | 12/19/2000 |
| 6130996 | Apparatus capable of using a film cartridge containing a lead portion of a film which is fed out by the film thrusting operation An apparatus capable of using a film cartridge in a manner that a lead portion of a film contained in the cartridge is fed out therefrom by the film thrusting, wherein a controller judges that an initial loading is not executed normally when a perforation... | 10/10/2000 |
| 6021283 | Photographic film cartridge with bar code disc and bar code reader for use therewith A photographic film cartridge has a cartridge shell and a spool housed rotatably in the cartridge shell, the spool having a photographic film wound about the spool. A bar code disc is mounted on the cartridge spool, and appears through a window formed in ... | 02/01/2000 |
| 5960221 | Camera with automatic film initialization responsive to cartridge sensor In a low cost camera, film initialization to a first exposure frame by a time constant controlled drive circuit in which the time constant circuit is reset by a "cartridge present" sensor switch as a consequence of removing a film cartridge from the camer... | 09/28/1999 |
| 5960222 | Camera with automatic film initialization responsive to film loading door sensor In a low cost camera, film initialization to a first exposure frame by a time constant controlled drive circuit in which the time constant circuit is reset by a door sensor switch as a consequence of unloading and/or loading of film in the camera. This en... | 09/28/1999 |
| 5940636 | Apparatus using a film cartridge having an indicator for indicating an exposure condition of a film An apparatus using a film cartridge in a system that a leading portion of a film contained in a cartridge is thrust to be conveyed from the cartridge, wherein an indicator showing an exposure condition is reset to an original state when an initial loading... | 08/17/1999 |
| 5918080 | Camera and method of discerning status of a photo film cassette A photo film cassette contains a photo film, which is exited from a cassette shell when a spool is rotated in an unwinding direction. A data disk is integrally rotatable with the spool. The spool, if the photo film is unexposed, is stopped in an unexposed... | 06/29/1999 |
| 5848309 | Film feeder for camera and camera with film feeder A film feeder for a camera having: a film feeding mechanism for feeding a film out of a film magazine by rotating a winding shaft, around which the film is wound, in the film magazine via a first speed reducer; and a film winding mechanism which takes up ... | 12/08/1998 |
| 5839009 | Camera having data imprinting function A film movement detecting section detects an amount of movement of a film from a top end of a film cut-out portion by a film movement detecting element. A film position comparing section compares whether the film is moved to a target position of a date im... | 11/17/1998 |
| 5828916 | Camera In a camera of the kind setting information when a film cartridge is stowed in the camera by reading a pattern from a data disk disposed on the film cartridge, an information reading action on the pattern of the data disk is allowed to begin when a predet... | 10/27/1998 |
| 5797053 | Apparatus and method for feeding film having perforations including judging wheter a film tip has passed a detector An apparatus comprises a feeder for feeding the film, a detector for detecting perforations formed on the edge of the film, a controller for controlling the feeder based on the output from the detector. In the apparatus, the operation of the detector is i... | 08/18/1998 |
| 5754904 | Camera utilizing cartridge with movable light shield cover A camera utilizing an image recording medium cartridge provided with a cover for extracting and introducing an image recording medium comprises operation means for operating the cover of the cartridge loaded in the camera; response means for moving the co... | 05/19/1998 |
| 5742857 | System for reproducing film image A mechanism, for reproducing images of a developed film, which reads film information recorded in a magnetic track formed along a pair of edges extending longitudinally of a leader of the film. The reading of the magnetic track is carried out by pressing ... | 04/21/1998 |
| 5735475 | Multi-motor film feeding device with planetary gearing A film feeding device for a camera uses first and second electric motors associated with first and second planetary gearing mechanisms, respectively. In one embodiment, the first motor and first planetary gearing mechanism drive a spool shaft of a film ca... | 04/07/1998 |
| 5659830 | Apparatus for discriminating between a film notch and metering perforations in an automatic camera Apparatus for use in an automatic film winding camera for determining, during film loading, the presence of a film leader portion having a notch therein. First and second film perforation sensors positioned apart along a film advancing path of the film in... | 08/19/1997 |
| 5075707 | Camera In a camera in which a film cartridge is loaded into the camera while a leader of film projecting out of the film cartridge is left outside the camera, and, after the leader of film projecting out of the film cartridge is pulled in the camera, the film is... | 12/24/1991 |
| 4982212 | Blank film advance control device for camera The present patent application discloses a blank film advance control device for a camera, in which when the film loading cover is closed, the film is automatically advanced a prescribed number of blank frames. The device is provided with means for memori... | 01/01/1991 |
| 4982211 | Camera A camera capable, upon insertion of a film cartridge having a leader of film outside the cartridge into a cartridge chamber of the camera leaving the leader outside the camera, of feeding the leader first backward into the interior of the camera and then ... | 01/01/1991 |
| 4972214 | Camera A device for determining whether a film leader is inside or outside a camera housing includes a light emitting device, a light detection device, and a control circuit. The light emitting device is disposed on one side of the film and emits signal light. T... | 11/20/1990 |
| 4752795 | Camera capable of initializing film in non-picture taking mode A film drive in a camera is actuated to advance a filmstrip from a cartridge to position respective frames on the filmstrip for exposure. Normally the film drive is disabled to prevent advancement of the filmstrip when the camera is in a non-picture takin... | 06/21/1988 |
| 4716428 | Automatic film loading device for camera An automatic film loading device for a camera arranged to automatically feed the camera with a film to an extent of obtaining a first photographable frame portion of the film after film loading comprises first switch means arranged to open and close for e... | 12/29/1987 |
| 4690533 | Film feeding apparatus for camera A film feeding apparatus for a camera to feed a film from a cartridge is so structured that preparatory wind-up starts not immediately after a close signal indicating that a rear cover is closed is generated, but after a predetermined delay time elapses f... | 09/01/1987 |
| 4673272 | Film transport apparatus for camera A film transport apparatus having a spool for taking up film as it rotates, a sprocket for pulling the film in engagement with the perforations thereof toward the spool, and a windup drive system for driving the spool or the sprocket. The film transport a... | 06/16/1987 |
| 4653886 | Film-on-spool sensor for preventing initialization of frame counter In a photographic camera, a frame counter operates during movement of a filmstrip from a film cartridge onto a take-up spool or back into the cartridge to count exposed or unexposed frames on the filmstrip. An initializing mechanism responsive to the open... | 03/31/1987 |
| 4637702 | Safety apparatus for feeding a film of a camera A camera is constituted in such a manner that the opening and closing states of the shutter are detected in response to various operations which are performed before the operation for feeding a film is started and when it is detected that the shutter is o... | 01/20/1987 |
| 4623232 | Camera with improved film leader capturing means The camera preferably has a slotted take-up spool which when the film compartment covering door is opened is automatically rotated into an ideal position where a hook in a film-capturing slot thereof has an outward facing orientation ideal for capturing a... | 11/18/1986 |
| 4602859 | Automatic film-transport mechanism for a disc camera A completely mechanical disc film camera features film advance and shutter actuation by direct mechanical coupling to an external shutter release button. Shutter button actuation is automatically blocked after the fifteenth frame so as to prevent double e... | 07/29/1986 |
| 4565432 | Motor driven camera The disclosed device controls the speed of a camera's motor driven film feed. Upon detection of the initiation of a blank frame feed operation, the high speed frame mode is selected to automatically feed the film a predetermined number of frames and then ... | 01/21/1986 |
| 4416525 | Autorewinding self-threading camera An electrically driven automatic film advance camera with automatic transition to rewind without external actuation is described. Film advance after each exposure occurs automatically after release of the shutter actuating button by means of an integral e... | 11/22/1983 |
| 4407577 | Autoloading apparatus for photographic film An autoloading apparatus comprising a take-up spool for winding a film thereon, a film transport member for transporting the film to the take-up spool, a motor for driving the spool and the transport member, a first detecting member for energizing the mot... | 10/04/1983 |
| 4394080 | Winding device for camera In a winding device for a camera in which automatic winding of loaded film from a winding start position to a first picture taking position is effected without interrelation to photographic operation, the automatic film winding is enabled by controlling a... | 07/19/1983 |
