Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 6824320 | Film core article and method for making same A film core article and methods for making the same are provided. The film core article has a generally cylindrical outer surface adapted to receive said length of film, said outer surface further comprising a recess formed in the outer surface and shaped to receive... | 11/30/2004 |
| 6452660 | Motion picture camera and cassette system A motion picture camera and cassette system is provided having at least one motion picture camera and several film cassettes containing an exposed and/or unexposed motion picture film. The film cassettes contain a storage device which stores at least the ... | 09/17/2002 |
| 5751402 | Microfilm cassette and microfilm camera There is provided a microfilm cassette capable of reducing the case size and obtaining a rational arrangement of elements such as reels and photographic roller. The microfilm cassette includes: a case having a substantially rectangular shape as viewed fro... | 05/12/1998 |
| 5243369 | Film cassette Film cassette with a housing in which a film supply container and a film takeup container are provided in housing halves 11, 12 arranged side by side to receive an exposed and unexposed film, a cassette window mountable on the film guide surface of a moti... | 09/07/1993 |
| 5227819 | Film magazine for motion picture camera A film magazine having a case adapted to be mounted in fixed position adjacent a motion picture camera that is adjustably movable along a fore and aft axis. The magazine includes a film slot and a film guide assembly movable along the length of the film s... | 07/13/1993 |
| 5067807 | Removable film boxes for a camera Film boxes for attachment to and use with a camera are keyed and secured by thumb screws to a shutter housing of the camera to permit detachment and accurte reattachment. Light restrictive devices negate transmission of light into each film box upon remov... | 11/26/1991 |
| 5065180 | Image recording apparatus having means for preventing sheet cartridge from its free disassembly An image recording apparatus having a sheet cartridge which stores therein an elongated photosensitive recording medium. A locking mechanism is provided selectively engageable with the sheet cartridge or a light shielding member which is positioned to pre... | 11/12/1991 |
| 4958781 | Cassette for photo-sensistive recording medium In a cassette for accommodating therein a photo-sensitive recording medium, a pair of cassette halves formed of synthetic resin are united together to form a cassette body having defined therein an accommodating chamber for the recording medium. A drawing... | 09/25/1990 |
| 4930721 | Roll film driving device A roll film driving device is capable of accommodating different film cartridges housing reels of different coupling methods to a driving shaft and forwarding and reversing the reeled film by coupling the reel with the driving shaft. The driving shaft is ... | 06/05/1990 |
| 4907030 | Image formation apparatus with a cartridge for a roll of photosensitive sheet An image formation apparatus has a detachably attached cartridge having a box for containing a roll of unused photosensitive sheet and a take-up shaft which is unistructurally formed with the box and serves to wrap up the used part of the photosensitive s... | 03/06/1990 |
| 4860037 | Film cassette with magnetic film leader A film cassette contains a film spool which is rotatable in an unwinding direction to propel a filmstrip including an integral film leader out of the cassette and is rotatable in a winding direction to wind the filmstrip including its film leader back int... | 08/22/1989 |
| 4826310 | Constant center of gravity film camera magazine A film magazine for a motion picture camera has film rolls mounted on a movable carriage so that the magazine's center of gravity remains fixed as film is exposed. A feed spindle and a take-up spindle are mounted on a carriage which is longitudinally mova... | 05/02/1989 |
| 4811058 | Microfilm Cassette A film cassette has a bi-directional film transport capable of being driven externally of the cassette and having both extremities of the film enclosed within the cassette. In the cassette a pair of film reels are rotatably supported in symmetrical relati... | 03/07/1989 |
| 4781337 | Light-tight film roll container A film roll container is disclosed of the type having mating receptacle and cover portions. The portions have facing laterally extending central spindles for rotatably supporting opposite ends of a film roll when the cover portion is mounted on the recept... | 11/01/1988 |
| 4769681 | Photographic printer A photographic printer is provided with a printing table, a film carrier disposed on the printing table, and a film container removably disposed adjacent the film carrier on the printing table so as to collect a film intermittently emerging from the film ... | 09/06/1988 |
| 4754875 | Roll film magazine frame for supporting film receiving film spool and using in a reading device A roll film magazine frame for supporting a film spool which receives a roll film and for inserting through an insertion opening into a shaft of a micro roll film reading device, the roll film magazine frame comprises a polygonal body part having a plural... | 07/05/1988 |
| 4705375 | Pair of light shielding film cases for surveillance camera A pair of light-shielding film cases of similar construction, such as may be used in a surveillance camera, having a simple construction but providing improved film running performance. The light-shielding film cases accommodate a film supplying spool on ... | 11/10/1987 |
| 4627695 | Device for automatically metering and displaying the footage of delivered film contained in each of a plurality of interchangeable magazines adapted to be mounted on the body of a cinematographic camera A device for automatically metering and displaying the footage of delivered film contained in each of a plurality of interchangeable magazines adapted to be mounted on the body of a cinematographic camera comprises, on each magazine, an assembly of coded ... | 12/09/1986 |
| 4613220 | Endless film cartridge and pressure support plate therefor A film cartridge is provided to hold an endless film strip for storage and display. The cartridge includes a pressure support plate to hold the film in a focus plane for projection, which plate is a resilient, generally ellipsoidal loop with a front proje... | 09/23/1986 |
| 4581729 | Case containing optically readable carrier structure and apparatus for using same A case provided with an information carrier consisting of a tape, one side of which has a structure carrying optically readable information as well as an apparatus for writing, reading or erasing such information. In the dustproof case containing a tape h... | 04/08/1986 |
| 4576455 | Dual motor reversible drive film magazine A film magazine is provided adapted for running the film stored therein either forward or backward. A first brake within the film magazine provides a drag torque on the supply hub when the supply hub rotates in the forward direction but not when it is rot... | 03/18/1986 |
| 4556301 | Attachment cassette for a roll film cassette-type photographic camera The attachment cassette for roll film, cassette type camera is provided with sliding control member which simultaneously controls the displacement of film pressure plate relative to a film gate opening, and a shifting movement of a flexible control member... | 12/03/1985 |
| 4501479 | Device for safety-locking a cover of a housing of a magazine of a camera and camera in which such a device is utilized The invention is applied to a cover of a housing which is positioned by sliding into grooves provided for this purpose in the edges of the housing or of the cover. The invention consists in that the housing is provided on the inside with a shaft constitut... | 02/26/1985 |
| 4453682 | Cartridge handling device for microfilm reader or the like A cartridge handling device adapted to be loaded with a cartridge having a roll film wound therein for feeding out the film from the cartridge is characterized by a misloading preventing member provided in a cartridge mount of the device and engageable in... | 06/12/1984 |
| 4418994 | Film magazine for motion picture camera A film magazine for a motion picture camera contains apparatus for maintaining the tension in the film strip from the supply reel and in the film strip to the takeup reel, within predetermined limits, to permit start-and-stop operations of the camera whil... | 12/06/1983 |
| 4394989 | Adjustable endless loop tape cartridge with shipping lock A cartridge including a cylindrical hub attached to a housing, which hub has a central opening and a slot extending axially across the width of the hub and communicating with the central opening, and an endless length of magnetic tape having a major porti... | 07/26/1983 |
| 4370035 | Dual web sound movie cassette with emulsion stripping web A multipurpose audio/visual film cassette (10) including supply and takeup spools (26, 28) in which opposite ends of a film strip (30) are coupled for alternate winding and unwinding during passage through a first path for film exposing, processing and pr... | 01/25/1983 |
| 4357082 | High speed film advancement mechanism and system therefor A photographic system is disclosed herein having a film reel-to-reel cartridge insertably received into a camera having a high speed film advancement or transport mechanism and a projector adapted to immediately develop the film and project moving images ... | 11/02/1982 |
| 4314744 | Multipurpose film handling cassette having preliminary assembly condition A multipurpose photographic film handling cassette is provided with a modular fluid processor assembly which is adapted to be initially supported, during cassette assembly, within the cassette housing in a preliminary assembly position wherein it is space... | 02/09/1982 |
| 4306795 | Safety-latching mechanism for a camera magazine, and camera and magazine provided with such a mechanism The safety-latching mechanism according to the invention is in particular used for a camera which is disposed in the cockpit of an aircraft and which is subject to acceleration on the order of 10 g. The film magazine is interchangeable in flight by the pi... | 12/22/1981 |
| 4300822 | Multipurpose film cassette having balanced force process mode switch A multipurpose film handling cassette of the type in which a photographic film strip is exposed, processed and projected without removal of the film from the cassette is provided with a two-piece "balanced force" arrangement for signaling to the apparatus... | 11/17/1981 |
| 4285581 | Multipurpose film handling cassette having a modular film processor An applicator is provided for depositing a coating of processing fluid on a moving run of photographic film strip which includes a single fluid reservoir having an opening in an exterior surface through which processing fluid may pass. A nozzle plate is p... | 08/25/1981 |
| 4281913 | Camera capable of commonly using standard film and 70 mm A camera in which a standard film, 120 or 220 size is loaded behind the picture plane by using a standard film reel with film spool mounting members and means for guiding and holding the standard film and in which film back exchange is not carried out. Th... | 08/04/1981 |
| 4272167 | Projector cartridge for a filmstrip and a tape cassette A cartridge is disclosed for an audiovisual filmstrip projector. The cartridge holds a filmstrip and a standard magnetic tape cassette. Spring hooks are provided on a mounting plate of the cartridge for releasably attaching the cassette by a single motion... | 06/09/1981 |
| 4264166 | Photographic film cassette, cassette holder and system A photographic system is particularly adapted for use in a check security system and offers novel features and advantages for such systems. Such system includes a film cassette and film cassette holder. The film cassette may be molded from plastic parts and ca... | 04/28/1981 |
| 4258986 | Electric books and microfilm structures and the production thereof for use in electric books A cord is wound on and off of a pair of drums in a microfilm reader. The cord comprises a strip of microfilm of approximately 1 mm width, encapsulated in a transparent material to protect the film from scraping, scratching and the like as the same moves t... | 03/31/1981 |
| 4255026 | Viewer A device is disclosed for use by a person for viewing material on film in a cartridge comprising a viewing screen, a projection module, a cartridge module, a lens system, a gear system for advancing the film, and a gear system for reversing the film.... | 03/10/1981 |
| 4255025 | Method and apparatus for covering sealing surface on sealing device of film cassette processor Method and apparatus for covering a sealing surface of a sealing strip which releasably seals processing fluid in a film cassette contained fluid processor. The apparatus includes a flap portion connected to the sealing strip in a manner which enables the... | 03/10/1981 |
| 4248507 | Multipurpose photographic film handling cassette having an improved film processor arrangement A fluid applicator is provided for depositing a coating of processing fluid on a moving run of photographic film strip which includes a single fluid reservoir which comprises an integrally formed nozzle assembly which includes an opening through which pro... | 02/03/1981 |
| 4247183 | Microfilm cassette A microfilm cassette for use in an optical projection device in which a film plane is established within the cassette by a film platen supported by the cassette. An additional aspect of this film platen is its support structure which enables it to move tr... | 01/27/1981 |