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| Number | Title | Issue Date |
| 7342681 | High-speed calibration method and system for an image-capture apparatus The present invention provides a calibration method and circuit for outputting an average calibration value used in an image-capture apparatus. The calibration circuit comprises difference means accepting a plurality of digital signals from capturing a pixel of a ca... | 03/11/2008 |
| 6941065 | Camera interlocks that ensure proper movement of film The camera of this invention has a film cassette compartment, a film spool (13), a film exposing area, and an interlock that prevents moving exposed film from the film cassette. With the camera, a film cassette (2) is loaded into the film cassette comp... | 09/06/2005 |
| 6321042 | Camera having film winding apparatus A camera having a manual film winding apparatus in which a film is wound in association with the rotation of a wind lever from a start position to an end position includes a double wind prevention device which prevents the wind lever from rotating from th... | 11/20/2001 |
| 6280103 | APS camera for ensuring the cassett indicator is in the parked position The camera of this invention includes a parking mechanism that ensures a visual exposure indicator of an APS film cassette is in the parked position prior to removing the film cassette from the camera. The camera may include a rotatable wheel that rotates... | 08/28/2001 |
| 6181879 | Magnetic recording and regenerating unit for photographic film and camera A magnetic recording and regenerating unit for photographic film and a camera, which feed photographic film coated with a magnetic recording layer, records magnetic information in the magnetic recording layer, and regenerates magnetic information from the... | 01/30/2001 |
| 5950027 | Camera loadable with a film provided with a magnetic recording area A camera loadable with a film regularly formed with perforations along a length of the film and provided with exposure areas and magnetic recording areas arranged with reference to the perforations, the camera includes: a perforation detector which detect... | 09/07/1999 |
| 5933668 | Camera mounting apparatus An optical image matching apparatus and method of use, including mechanism for mounting an optical instrument, mechanism for syncromoniously moving a plurality of optical instruments, said mechanism further including mechanism for fixedly connecting two o... | 08/03/1999 |
| 5923905 | Manual film winder closes light lock of film cartridge in one-time-use camera A camera for use with a film cartridge having a spool rotatable in a film winding direction to wind an exposed filmstrip into the cartridge and a light lock movable to be closed after the exposed filmstrip has been wound into the cartridge, comprising a f... | 07/13/1999 |
| 5923914 | Method for determining whether film is developed or undeveloped Determination is made whether a film stored in a new type of film cartridge is developed or not before the film is processed. A detection sensor detects whether or not there is a nail on an outer wall of the new type of film cartridge to judge whether the... | 07/13/1999 |
| 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 |
| 5734942 | Mid-roll change for film having edge perforations and magnetic layer on non-emulsion side In a camera having an exposure gate and a transport for transporting film past the exposure gate, the film having a series of perforations along at least one edge of the film, wherein the number of the perforations are an integer per exposure frame, the f... | 03/31/1998 |
| 5678087 | Camera having an upstream read only magnetic sensor to detect exposed image areas on magnetically coated film In a camera having an exposure film gate and device for advancing a film strip past the gate, the film strip having successive image areas with a magnetic track adjacent to each image area, wherein one or more of the image areas are exposed and have infor... | 10/14/1997 |
| 5671456 | System for providing an accurate indication whether film is exposed or unexposed, independent of battery voltage A microcomputer provided in a camera body uses a data signal read by sensors facing the data disk of a film cartridge as a positional signal to set the stop position of the spool for providing exposed/unexposed indication to the film. The voltage of the p... | 09/23/1997 |
| 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 |
| 5649253 | Self calibration circuit for a camera An event detection circuit and method of operation thereof in a calibration mode and in a normal operating mode particularly for use in photographic cameras in relation to the calibration of sensors and the detection of output signals therefrom for use in... | 07/15/1997 |
| 5614976 | Camera with manual film rewind locked when cassette closed, preferably to position film exposed indicator in window of cassette A camera for use with a film cassette having a spool rotatable to wind an exposed filmstrip including a trailing film end portion into the cassette and a light lock movable to be closed after the trailing film end portion is wound into the cassette, compr... | 03/25/1997 |
| 4707096 | Film initialization reassuring mechanism When an unexposed filmstrip is advanced several frame widths in a camera to position the first available frame for exposure, a frame counter is changed from an original empty setting to a "1" setting. In addition, a visible indication is provided in respo... | 11/17/1987 |
| 4681416 | Camera shutter cocking mechanism A camera shutter cocking system employs a specially configured cam driven synchronously with a film-engaging sprocket to actuate a shutter cocking lever from a released to a shutter cocking condition by means of a cam follower mounted on the cocking lever... | 07/21/1987 |
| 4223990 | Film and photographic apparatus A film magazine contains a roll of film having an image portion and a leader. The filmstrip is perforated at predetermined intervals with larger perforations in the image portion than in the leader. A camera mechanism is disclosed which uses the perforati... | 09/23/1980 |
| 4174168 | Safety mechanism for cameras A camera adapted to receive film perforated at predetermined metering intervals, is provided with electromagnetic shutter release means which includes switch means for preventing double exposure. The switch means permits shutter release operation when the... | 11/13/1979 |
| 4001849 | Photographic camera for use with film cartridge A photographic camera of a type using film cartridges, comprising a sensing lever which can cooperate with a film contained in a film cartridge and a control lever engaged with said sensing lever so as to make a release button operatable only when the fil... | 01/04/1977 |
| 3994005 | Film winding and shutter actuating mechanism for a cartridge film type camera A film winding member and a shutter cocking member are movable as a unit until the shutter is cocked, and then the film winding lever moves by itself. The film winding member is stopped when a film position sensing lever senses a hole in the film indicati... | 11/23/1976 |
