Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 5325577 | Method for automatically opening roll cassette by suctioning A method is provided for automatically opening and removing a web from a clamshell film cassette. During opening of the cassette a first actuatable means releases a cassette latch. A second means is provided to open one clamshell half upon release of the ... | 07/05/1994 |
| 5310049 | Film or paper cassette A two part clamshell web cassette is provided with a central recess for receiving a web roll core. The core and cassette half shells have mating surfaces which form a labyrinth light seal when the cassette is closed and which prevent rotation of the core ... | 05/10/1994 |
| 5308005 | Film handling system In a photographic film or paper web handling system, a vacuum drum carried by a moveable carriage automatically picks up the end of a web roll and feeds it to a web path. The location of the roll surface is sensed and the carriage is positioned in close p... | 05/03/1994 |
| 5239327 | Processor for light sensitive material A processor for a web of light sensitive material comprises a plurality of hydrostatic bearings positioned within a processing tank to be submerged within a processing solution. Each of the bearings comprise a pair of juxtaposed housings on opposite sides... | 08/24/1993 |
| 5029313 | Photofinishing apparatus with film information exchange system using dedicated magnetic tracks on film A virtually transparent magnetic layer is included as an additional layer in a color negative film. Information exchange between various users of the film--such as (for example) the film manufacturer, the camera user, the dealer and photofinisher--is carr... | 07/02/1991 |
| 4977521 | Film noise reduction by application of bayes theorem to positive/negative film At least one frame of a strip of photographic film is exposed to an image, and, prior to being developed, six (or so) calibration strips in a specially reserved frame on the same film are individually exposed to six predetermined calibration light sources... | 12/11/1990 |
| 4965627 | Film information exchange system using dedicated magnetic tracks on film with virtual data indentifiers A virtually transparent magnetic layer is included as an additional layer in a color negative film. Information exchange between various users of the film--such as (for example) the film manufacturer, the camera user, the dealer and photofinisher--is carr... | 10/23/1990 |
| 4965628 | Photographic film with latent image multi-field bar code and eye-readable symbols A multi-field latent image bar code is photographically recorded in every half frame of a strip of photographic film, at least one of the fields of the code representing information pertaining to film type and another one of the fields representing the ha... | 10/23/1990 |
| 4947196 | Camera apparatus for magnetically recording on film Magnetic recording apparatus for a photographic still camera comprises a magnetic head mounted on a flexure attached to a film platen. The head is adapted to contact a magnetic coating on the film adjacent the lip opening of a film cartridge where the fil... | 08/07/1990 |
| 4947049 | Film handling means for a photographic printer A photographic printer is provided with a film strip receiving means including an elongated film strip receiving slot. A transport means is activated by a film strip detection means when the leading end of a film strip is inserted into the slot to move th... | 08/07/1990 |
| 4945406 | Apparatus and accompanying methods for achieving automatic color balancing in a film to video transfer system Apparatus and accompanying methods for use in a film to video transfer system for achieving automatic color balancing of color images for subsequent display on a color monitor. Specifically, this apparatus first transforms each pixel in an image to be tra... | 07/31/1990 |
| 4933780 | Camera apparatus for magnetically recording on film Magnetic recording apparatus for a photographic still camera comprises a magnetic head mounted on a flexure attached to the rear door of the camera. The head is positioned so that when the rear door of the camera is closed, it will enter an opening in the... | 06/12/1990 |
| 4933710 | Filter apparatus use in a photographic printer A rotatable disc is provided, for use in a photographic printer, supporting both scanning and large area transmissive filters. The disc is used to selective position a scanning or large area filter between a photographic negative and a single light sensor... | 06/12/1990 |
| 4933694 | Camera view finder A camera view finder comprises three separate lenses for producing images corresponding to desired pseudo effects. The lenses are mounted in parallel frames which are supported for rectilinear movement. A cam means is provided to selectively position the ... | 06/12/1990 |
| 4933690 | Slide changing apparatus with slide jam protection A slide changing apparatus is disclosed for use in a projection apparatus wherein photographic slides can be projected onto a screen or viewed on a video monitor. The slide changing mechanism includes a lever having a displaceable part which engages a sli... | 06/12/1990 |
| 4931818 | Camera view finder A view finder comprises three lenses which are mounted for pivotal movement about three separate axis. Cam means are provided for moving the lenses between a viewing position and folded positions. The cam means includes a single plate movable along a rect... | 06/05/1990 |
| 4929872 | Light bulb socket soft start and power interrupt assembly A mounting assembly for a light bulb includes a soft start-up circuit as well as a DC-to-AC converter in order to prolong bulb life. In addition, the mounting assembly includes a removable socket to facilitate changing the bulb. When the socket is rotated... | 05/29/1990 |
| 4913527 | Lens focus adjustment means A lens is mounted on a pair of parallel flexures so that it is rigidly constrained in every degree of freedom except axial movement. To achieve micro adjustments, the flexures are moved by a compound screw having two sections of different pitch to effect ... | 04/03/1990 |
| 4912558 | Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image The translation of an optical image into video signals by a video sensor illuminated by the optical image is adjusted by illuminating the sensor at a first level of light intensity sufficient to provide the video signals at maximum amplitude while adjusti... | 03/27/1990 |
| 4904055 | Variable aperture formed by linearly movable elements A plurality of aperture blades are each provided with an opening having a V-shaped edge, such that when the blades are superimposed they cooperate to define a six-sided aperture. The blades are each mounted for rectilinear movement by a pair of guide pins... | 02/27/1990 |
| 4901903 | Web guiding apparatus Apparatus for guiding a moving web (10) of material in a predetermined travel path (15) relative to a stationary frame (14) is disclosed. A compliant roller (24) is mounted on a pivoted yoke (30) for rolling contact with the web (10) so that as the web mo... | 02/20/1990 |
| 4903286 | Cover latch mechanism for a photographic cassette A cover latch mechanism is disclosed for a photographic cassette, such as an x-ray film sheet cassette. Such cassettes typically have side walls, end walls and opposing front and rear cover walls in which one of the cover walls is rigidly secured to the e... | 02/20/1990 |
| 4903055 | Method and apparatus for calibrating and/or testing a photographic camera A photographic apparatus for facilitating the calibrating and/or testing of a taking lens of a photographic camera comprises a photographic camera having a film chamber adapted to receive a conventional film cartridge having a code pattern on its surface.... | 02/20/1990 |
| 4893927 | Method and apparatus for aligning a zoom lens with an image sensor A zoom lens is driven by an oscillating drive in continuous motion between different states of magnification to cause an image on a video screen to expand and collapse about the point on the optical axis of the lens. The expanding and collapsing image is ... | 01/16/1990 |
| 4881093 | Electromagnetic shutter apparatus An electromagnetically operated shutter assembly for a camera includes permanent magnets which are affixed to shutter blades. An electromagnetic field is generated by a number of armatures which interact with the permanent magnets to cause the shutter bla... | 11/14/1989 |
| 4853751 | Disc film and lens supporting unit A disc film and lens supporting unit (10) is assembled on a structural base plate (11). An exposure aperture (96) extends through the unit (10), and a film suporting spindle (25) is provided rotatably to support a disc film (33) such that the image frames... | 08/01/1989 |
| 4821058 | Camera with flash responsive focus system A photographic camera includes a lens adjustable to different focus distances, means for supplying a flash illumination, and a rangefinder for indicating the distance to a subject as one of at least two zones. The camera is operable in a flash mode or a n... | 04/11/1989 |
| 4813063 | Photographic cassette An improved photographic cassette is disclosed having a pressure plate adjacent a rear cover wall thereof provided with laterally extending tabs on opposite side edges thereof. The cassette further has a floating plate adjacent a front cover wall which is... | 03/14/1989 |
| 4807271 | Film sheet presence indicating mechanism for a photographic cassette A film sheet presence indicating mechanism is disclosed for use in a photographic cassette, such as an x-ray cassette having one end wall with a slot therein through which a film sheet is moveable therethrough between screens along an inlet path to a load... | 02/21/1989 |
| 4804985 | Polarity insensitive electronic flash driver circuit A polarity insensitive flash driver circuit for use in a photographic system including a camera for generating a flash trigger signal, and an electronic flash unit having a trigger circuit actuatable responsive to the flash trigger signal to initiate a fl... | 02/14/1989 |
| 4803557 | Adjustable mount for image sensor Adjustable mount for positioning an image sensor in a device for generating video signals. All movement modes are controlled by five screws which are all accessible and operable from the same direction.... | 02/07/1989 |
| 4799688 | Live fire target system A target system includes a target comprising a plurality of spaced, parallel, electrically conductive strips disposed on a target surface. An electrically conductive backplane is provided on a back surface of the target in a plane parallel to the target s... | 01/24/1989 |
| 4795070 | Web tracking apparatus A mechanism for maintaining a moving web of sheet material in its proper path along an edge guide in an apparatus such as a photographic printer. A compliant roller is mounted on a roller shaft which is pivoted at each end to a linkage which is itself piv... | 01/03/1989 |
| 4793074 | Dryer assembly for photographic paper Apparatus for transporting and drying photographic paper which has been chemically processed, includes a roller assembly for transporting the paper through a drying tank. Drying of the paper is accomplished by means of warm air which is propelled by a pum... | 12/27/1988 |
| 4785940 | Flexible bag with a pressure sensitive adhesive closure strip A flexible bag having front and back panels sealed along bottom and side edges. A pressure sensitive adhesive closure strip is adhered to the back panel and to the rear surface of the front panel. The front panel includes a transverse separation line inte... | 11/22/1988 |
| 4781296 | Method affording an easy opening device for nonwoven thermoplastic fiber envelopes A method of forming one or more score lines or bands of weakness in a web formed of nonwoven thermoplastic fibers requires the application of sufficient energy such as ultrasonic energy to narrow bands of the web to change the fibers to a film. An envelop... | 11/01/1988 |
| 4780367 | Tackified star block copolymer pressure-sensitive adhesive composition and the sheet materials coated therewith Adhesive compositions comprising tackified star block copolymer having at least 12 block copolymer arms are provided. Sheet materials coated with the adhesive composition are also provided.... | 10/25/1988 |
| 4778701 | Composite prelaminated tape system A composite adhesive closure tape comprising an assembly of sheets laminated one over the other including a central elastomeric sheet having at least one stretching axis; anchor strips disposed over the elastomeric sheet and adhered to opposite marginal e... | 10/18/1988 |
| 4775918 | Mask system for radiograph light box A masking system for masking the viewing area of a radiograph light box comprises a pair of spaced, endless belts disposed in substantially perpendicular relationship. Each of the belts has spaced opaque regions and spaced transparent regions connecting t... | 10/04/1988 |
| 4774272 | Composite sheet material for storage envelopes for magnetic recording media There is provided a composite sheet material for fabrication of storage envelopes for magnetic recording media, e.g., floppy diskettes. The material has a low debris count, and a fast rate of static decay as well as high stiffness and strength.... | 09/27/1988 |
