Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7372486 | Photographing apparatus and method of adjusting an image of a photographing object A photographing object image adjusting apparatus including a plurality of adjusting operation devices corresponding to a plurality of object image adjusting modes, respectively, and an object image adjusting device. Each of the plurality of adjusting operation devic... | 05/13/2008 |
| 7325989 | Paper supply apparatus and image formation device A paper supply apparatus provided with a support component, a slit plate and a rotation force transmission component. The support component freely rotatably supports a winding core around which roll paper is wound. The slit plate rotates integrally or interlockingly... | 02/05/2008 |
| 7133277 | Electronic device A miniaturized electronic device including a battery storing container having an opening for placing a battery in and out, a recording medium storing part for storing a recording medium detachably, and a plurality of circuit boards constituting predetermined circuit... | 11/07/2006 |
| 7079182 | Optical apparatus, optical apparatus driving unit and camera system The invention provides an optical apparatus comprising an optical member, a memory unit for memorizing preset speed information, and preset position information or preset direction information a memory instructing operation unit to be operated for causing the memory... | 07/18/2006 |
| 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 |
| 6507712 | Camera A camera in which a magazine can be loaded into a magazine chamber in the direction along a winding shaft thereof in a state in which a film leader is wound thereon. During such magazine loading, the film leader is inserted along the outer periphery of a ... | 01/14/2003 |
| 6393223 | Photo film transporting device An electric current is supplied from a power source to a motor for transporting a film through a switching element (a transistor). A regenerate current is generated from the motor when the current supply is cut, and the regenerate current is returned to t... | 05/21/2002 |
| 6334031 | Camera having a data imprinting device A camera having a data imprinting function, includes: a sprocket-hole detecting device for detecting when each consecutive sprocket hole of a film passes a predetermined position while the film is wound or rewound, the film being loaded into the camera; a... | 12/25/2001 |
| 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 |
| 6263169 | Manual-wind camera A manual-wind camera is provided 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. The camera includes a pulse generator which generates p... | 07/17/2001 |
| 6246839 | Apparatus for coping with positional deviations of film An apparatus for coping with positional deviations of a film includes a determination circuit for determining a positional deviation of the film which is at a stop, a time measuring circuit for measuring time, and a positional deviation correcting part fo... | 06/12/2001 |
| 6185376 | Camera for receiving a roll film having an identification mark A camera using a roll film (Brownie film) having an identification mark, on one half of the width of the film strip, is provided with a pair of spool compartments in a camera body. The film can be loaded in one of the spool compartments. The film loaded i... | 02/06/2001 |
| 6181882 | Camera A camera has a motor, a camera mechanism driven by rotation of the motor, a detector for detecting the rotation direction of the motor, and a controller for driving the camera mechanism by energizing the motor in such a way that the motor rotates in a for... | 01/30/2001 |
| 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 |
| 6167207 | Film feed device capable of accurately aligning film by using one perforation sensor In a film feed device using a film having two perforations per frame, a perforation width and a perforation interval which are detected by one perforation sensor during a film feed operation are measured as times by timers in a microcomputer or as film mo... | 12/26/2000 |
| 6142632 | Film position detection apparatus and method and image film projection apparatus A film position detection apparatus and a method for precisely detecting a film position are provided. An image film projection apparatus is also provided for correcting deflections of images through precisely detecting a film position and thereby project... | 11/07/2000 |
| 6144808 | Camera having apparatus for enhancing signal-to-noise ratio in reading a film magnetic recording part Apparatus for enhancing signal-to-noise ratio in reading a film magnetic recording part includes a reproducing device which reproduces a signal recorded on the magnetic recording part of the film and a signal processing device which performs at least one ... | 11/07/2000 |
| 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 |
| 6122453 | Apparatus and method for film transport and data magnetic writing of an APS camera An apparatus for transporting a film in an APS camera and for magnetically writing data on the film includes a release switch, a single perforation sensing unit, a controller, a film transporting unit, and a data writing unit. After a frame of the film is... | 09/19/2000 |
| 6061530 | Camera having a facility for changing information recorded on film An apparatus, such as a camera, adapted for a film having an information recording part, includes a recording device which records information on the information recording part of the film, an operation device which issues an instruction for rewinding the... | 05/09/2000 |
| 6026250 | Camera, bar code reader for camera and method of detecting bar code reading error A camera for use with a Brownie roll film having a bar code containing data about a roll film, such as a film speed and a roll film type. The bar code is printed on an adhesive tape which secures light-shielding paper to a leading end of a photo filmstrip... | 02/15/2000 |
| 5992743 | Film scanner and method of reading optical information using same An APS (Advanced Photo System) film of new type has a plurality of image recording areas along the center thereof, a first longitudinal side edge of the film is formed to have perforations corresponding to the image recording areas, and a second longitudi... | 11/30/1999 |
| 5918081 | Camera and film feed apparatus A film feed apparatus detects the feed speed of a film having one perforation formed in a leader, and two perforations respectively formed at positions corresponding to the leading and trailing ends of each photographing frame. The apparatus includes a dr... | 06/29/1999 |
| 5918083 | Camera for use with a roll photo film A camera is used with a Brownie photo film, which has a photo filmstrip on which plural frames are formable serially. A light-shielding leader is disposed on a front end of the photo filmstrip. A light-shielding trailer is disposed on a rear end of the ph... | 06/29/1999 |
| 5915137 | Film feed device capable of accurately aligning film by using one perforation sensor In a film feed device using a film having two perforations per frame, a perforation width and a perforation interval which are detected by one perforation sensor during a film feed operation are measured as times by timers in a microcomputer or as film mo... | 06/22/1999 |
| 5905922 | Camera having capability of changing recorded magnetic information regarding final film frame prior to rewinding of the film When exposure of the entire film is completed, the time period until rewinding is begun is read from an EEPROM and set in a timer, and the timer is then started. If the switch to change the data recorded before the time period set in the timer elapses is ... | 05/18/1999 |
| 5815752 | Camera having a magnetic recording apparatus selectively operable based on film feed speed A camera provided with a magnetic head for effecting at least one of writing information into a magnetic portion of a film and reading information from the magnetic portion. The camera includes a detection circuit for detecting a feed speed of the film an... | 09/29/1998 |
| 5773940 | Power drive device A power drive device is disclosed that includes a motor, a control device coupled to the motor, and a rotatable reference axle member rotatably interlocked with the rotation of the motor. A first detection member detects a first phase and a third phase of... | 06/30/1998 |
| 5764006 | Motor driving circuit and method for driving two motors A film driving circuit that is capable of normal driving and reverse driving to drive-control a first motor and a second motor each rotating in only one direction. The motor driving circuit is structured so the first motor driving and the second motor dri... | 06/09/1998 |
| 5732299 | Film transport device for a camera A camera is provided having a film transport device that performs accurate detection of an end of film, even if there is a change in the electric power voltage or film transport mechanism load, e.g., because of a temperature change in the camera. The film... | 03/24/1998 |
| 5724623 | Camera using a film with a magnetic memory portion A camera, which uses a film with a magnetic memory portion, or a control apparatus for such a camera, includes a first detection sensor for detecting a perforation of the film, arranged at a first position where the perforation of the film passes, a secon... | 03/03/1998 |
| 5708192 | Photosensor equipped device for detecting perforations A device for detecting perforations in film includes a camera body or other optical instrument body. A pressure plate is disposed at a rear of the body and has a channel that allows access of a sensor output to detect and read film position via the recogn... | 01/13/1998 |
| 5708887 | Film feeding control device and method for camera A camera has a feeding motor by use of which photo film is fed. 24 groups of perforations are arranged along one edge of the photo film, and regularly at a distance L2 one group from another. Each of the perforation groups is associated with one frame, an... | 01/13/1998 |
| 5687415 | Film feeding control device for accurate alignment of film frames and camera aperture A film feeding cessation adjusting device for cameras is capable of accurately stopping to a predetermined stopping position each frame of a film having a minimum number of perforations in order to ensure a sufficient data recording area. The film feeding... | 11/11/1997 |
| 5664246 | Camera comprising film information readout and/or reading mechanism This invention relates to a camera for reading out and/or reading information from a magnetic recording portion provided to a film using a magnetic head. This invention provides a camera, wherein the film feed speed until the film passes the head position... | 09/02/1997 |
| 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 |
| 5652931 | Camera information recording apparatus A camera has a recording apparatus for magnetically recording finished photograph information, indicating exposure of a film frame, and for magnetically recording other photograph information for each film frame. The finished photograph information is rec... | 07/29/1997 |
| 5640629 | Information recording device with control of film transport An information recording device of a camera permits recording of more information with an appropriate recording density without monitoring the film feeding speed constantly. The information recording device includes a feeding assembly to feed film mounted... | 06/17/1997 |
| 5606381 | Photographic camera A camera equipped with a device, for photoelectrically detecting perforations formed in a film margin, which comprises two elements, one of which is disposed in a space with at least one end slope formed between inner and outer film guide rails so as to k... | 02/25/1997 |
| 5576785 | Film feeding control device for accurate alignment of film frames and camera aperture A film feeding cessation adjusting device for cameras is capable of accurately stopping to a predetermined stopping position each frame of a film having a minimum number of perforations in order to ensure a sufficient data recording area. The film feeding... | 11/19/1996 |
