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| Number | Title | Issue Date |
| 6295416 | One time use camera uses magnetic micro-shutter as an exposure frame counter A novel exposure frame counter is disclosed that gives the appearance of more expensive LCD type displays while not requiring the support electronics and has the ability to erase itself after being used. A disc of low permeable magnetic material has expos... | 09/25/2001 |
| 6266488 | Camera and film cartridge display setting apparatus A camera and a cartridge indicator setting apparatus adapted to a film cartridge including an indicator operatively coupled to a film supply spool provided in the film cartridge. The camera and the cartridge indicator setting apparatus includes a storage ... | 07/24/2001 |
| 5940648 | Electro-developing type camera using electro-developing recording medium An electro-developing type camera uses an electro-developing recording medium, and has a determiner for determining whether the electro-developing recording medium has been recorded on or not when being loaded in the camera, and a selector for selecting o... | 08/17/1999 |
| 5809352 | Photographic camera having a double exposure protection device combined with a film cartridge indicator A camera for use with a film cartridge having a retractable lip portion that is retracted upon exposure of film in the cartridge, and that is fully extended before exposure of the film, the camera comprises a camera body for forming a protective enclosure... | 09/15/1998 |
| 5752105 | Operation method of device loaded with a film unit A device (e.g., a camera) loaded with a film unit operates to detect a characteristic of the film unit, such as the state of an information part of the film unit. The detection result is used as a basis to control the performance of a further operation, s... | 05/12/1998 |
| 5737650 | Photographic medium cartridge with magnetically activated status indicator A cartridge (10) of web material includes a hollow cartridge body (14) having an exit slit (26); a strip or sheet (12) of web material enclosed in the cartridge body to be withdrawn from or inserted into the cartridge body via the exit slit; at least one ... | 04/07/1998 |
| 5724621 | Camera provided with a magnetic recording device A camera is detachably mountable with a film cartridge which is provided with a photographic film having a number of successive frames and a film state indicator operable to indicate an exposed state that the film is already exposed, and includes: a film ... | 03/03/1998 |
| 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 |
| 5604556 | Camera with indicator for preventing load of exposed film A family of different type cameras is intended for use with a film cassette which is capable of being operated to thrust a filmstrip out of the cassette housing, regardless of whether the filmstrip is unexposed or is partially exposed, and which has film ... | 02/18/1997 |
| 5159365 | Camera with device for identifying used film magazine A camera capable of automatic film rewinding into the magazine, comprises an information recording device for recording at least information on use in an information recording portion formed at a predetermined position of the magazine loaded in the magazi... | 10/27/1992 |
| 4839678 | Film counter for cameras A film counter indicator dial is journalled in a camera door and carries frame count indicia visible through a window in the door. The dial has peripheral gear teeth to form a worm gear which, when the door is closed, is meshed with a worm which is couple... | 06/13/1989 |
| 4814805 | Film exposure counter Automatic film advance in a camera to wind a film leader onto a take-up spool requires that an override switch be temporarily closed to nullify a film metering switch. Otherwise, the metering switch will de-energize a motorized film drive after the film l... | 03/21/1989 |
| 4755841 | Method of initializing a frame counter A frame counter in a disposable single-use camera is initialized to a preliminary setting from a random setting, rather than from a predetermined setting as in prior art counters. According to the disclosed method, an actuator is rotated in engagement wit... | 07/05/1988 |
| 4755842 | Apparatus for initializing a frame counter from a random setting Each time an actuator is rotated in engagement with respective teeth of a frame counter in a disposable camera, the counter is rotated the equivalent of one frame to its next setting. To initialize the counter from a random setting during factory prewindi... | 07/05/1988 |
| 4746943 | Film tracking mechanism A single mechanism performs three or four functions in a camera, the advancement of a film (6) mounted therein being used to provide energy to the mechanism. A tracking pin (2) is guided in a track (3) causing a tracking member (1) to move in a cyclic man... | 05/24/1988 |
| 4687311 | Film-on-spool sensor for controlling frame counter In a photographic camera, a film-on-spool sensor enables a frame counter in response to sensing the presence of film on a take-up spool and disables the counter in response to sensing the absence of film on the spool. An initializing device resets the fra... | 08/18/1987 |
| 4593983 | Photographic apparatus having a film cassette counter Photographic apparatus for locating a film cassette in position for the sequential exposure of a plurality of film units contained within the film cassette. The apparatus includes a film counter for indicating the number of unexposed film units remaining ... | 06/10/1986 |
| 4508441 | Film counter A camera having a film counter for indicating the number of unexposed film units remaining in the camera. The film counter includes a rotatably mounted drum having a single row of teeth by which the drum may be sequentially indexed in a first direction su... | 04/02/1985 |
| 4355877 | Mechanism for counting film frames in camera with multiple exposure mode A camera mechanism for counting film frames in a camera capable of operating in both normal and multiple exposure modes. A shutter charging mechanism is coupled to a winding lever mechanism so as to be charged for each operation of the winding lever. A fi... | 10/26/1982 |
| 4311378 | Film advance indicator A film advancement indicator which includes an optical sensor 21 that detects the rotational movement of a disc 18 that rotates only when the film 14 advances. When the film 14 does not advance, an indicator light 29 is activated. A counter 26 is included... | 01/19/1982 |
| 4041510 | Indicating device for photographic apparatus An indicating device in a camera indicates unambiguously whether or not the camera is loaded with film, and how much of the film has been exposed. The device is first indexed from an empty-camera position to a loaded-camera position in response to inserti... | 08/09/1977 |
| 4034393 | Film registration device A device for providing means enabling a user to rewind a partially-exposed film strip packaged in a film cassette, to then remove the cassette from the camera, and thereafter to reinsert the film into the camera with the assurance of correct registration ... | 07/05/1977 |
| 4021828 | Film counter An electrical film counter for a photographic camera is provided with a differentiating circuit responsive to a film winding operation for producing an output pulse. The number of output pulses from the differentiating circuit is counted by an UP-DOWN cou... | 05/03/1977 |
| 3984852 | Exposure counter for an automatic camera An exposure counter for use in a camera which provides a user with information as to the number of remaining exposures within a film cassette positioned therein. The exposure counter includes a drum or cylinder which is coupled to one member of a gear tra... | 10/05/1976 |
| 3947861 | Film frame counting devices for still cameras A counting device in a still camera for indicating the exact number of frames of long-footage film exposed during regular photography includes a numerical counter and a drive gear rotatable in response to film movement for increasing the count in the coun... | 03/30/1976 |
