...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 5893669 | Ribbon feeding device for printer A ribbon feeding device for a printer, which is simple in structure and easy to assemble and in which engagement between a pinion supported on a carriage and a rack is maintained when the carriage for carrying a printing head moves toward and away from th... | 04/13/1999 |
| 5280303 | High precision donor web positioning apparatus and method for a thermal printer A thermal printer has a donor web positioning system that uses a single sensor in conjunction with a capstan roller. The roller is driven by a stepper motor to precisely meter the donor web. The roller is positioned between the print drum and the take-up ... | 01/18/1994 |
| 5133614 | Device for driving a printer print-head carriage having a belt tensioning device and a ribbon drive clutch In a printer, a drive motor, a drive roller arranged on the shaft of the motor, a reversal roller in spaced relation to the drive roller, and an elongated drive belt trained about the drive and reversal rollers form a tensioning device, the belt being fas... | 07/28/1992 |
| 5115253 | Method for driving and controlling a thermal printer The present invention relates to a method for driving and controlling a thermal printer. In the thermal printer provided with a carriage driving mechanism for moving a carriage including a thermal head forward and backward along a platen; a mechanism for ... | 05/19/1992 |
| 4850725 | Unidirectional ribbon drive mechanism A ribbon is driven past the printing station of a printer only when the print head is moved in the right-to-left direction across the printer. An endless timing belt causes rotation of a gear pulley that is in mesh with an idler gear. The idler gear is su... | 07/25/1989 |
| 4834567 | Character-erasable printing apparatus The present invention is of a character-erasable printing apparatus adopting an erase controlling means which outputs to a printing mechanism a move control signal moving a printing head to the print position of the head character of a character string co... | 05/30/1989 |
| 4760405 | Method and apparatus for recording an image Method and apparatus for effecting thermal recording on a sheet of a recording medium with the aid of a reusable ribbon which can be repeatedly used for recording a plurality of times. The recording operation is performed during forward movement as well a... | 07/26/1988 |
| 4723853 | Thermal transfer printer A thermal transfer printer wherein the carriage is equipped with the ribbon cassette and the thermal head and has a take-up shaft engageable with the take-up core of the ribbon cassette, and clutch means is provided between the motion converting means and... | 02/09/1988 |
| 4712933 | Ribbon guide device including a separate, longitudinally shiftable, ribbon guide member When a ribbon cassette containing a print ribbon and having a looped portion exposed to the outside is mounted on a printer frame, a ribbon guide member movable along a print line of a platen, while in its initial position, is located within a region surr... | 12/15/1987 |
| 4712115 | Thermal-transfer printer A thermal-transfer printer includes a carriage arranged for reciprocation along a recording paper and a thermal head movable together with the carriage. On the carriage is mounted a ribbon cassette having a pair of reels and repeatedly usable ink ribbon w... | 12/08/1987 |
| 4688955 | Automatic ribbon positioning serial printer A serial printer having a platen (5) and a carriage (4) having a printer head (6) with a plurality of aligned print needles close to the platen (5) for mosaic printing is disclosed. According to the present invention, an ink ribbon is in a detachable ribb... | 08/25/1987 |
| 4683478 | Printer with detachably mountable ink ribbon cassette A printer system using a cassette housing therein printing ribbon is provided. In accordance with one aspect of the present invention, there is provided a cassette provided with an electrically conductive sheet for preventing the cassette from accumulatin... | 07/28/1987 |
| 4647238 | Printer with a control for feeding disposable ribbon with minimum waste length A printer using a disposable ribbon which is fed from a feed section toward a take-up section of a feeding device upon completion of printing of each line of characters. The printer comprises a memory for storing position data representing a feed-side end... | 03/03/1987 |
| 4621270 | Multi-color printer A heat transfer type multi-color printer which serves to automatically draw out a new ink ribbon with a simple constitution for recording. The multi-color printer includes members for holding/releasing an ink ribbon provided on a carriage which carries th... | 11/04/1986 |
| 4611937 | Ribbon feed mechanism for a printer A printer having a print ribbon feed mechanism is disclosed which allows optimal feeding of a print ribbon, eliminating unnecessary consumption of the ribbon. The mechanism includes first and second clamp means mounted on a stationary section and a print ... | 09/16/1986 |
| 4598301 | Thermal printer A thermal printer for printing characters or the like on a recording medium, heat-sensitive paper or plain paper, by a thermal printhead which is mounted on a carriage movable along the recording medium in a reciprocating manner is provided. The printhead... | 07/01/1986 |
| 4564848 | Printer Disclosed is a printer having a plurality of heating elements disposed on a thermal head which generate heat to melt a transfer material coated on a printing tape and transfer it onto a recording medium. The printer comprises a printer body having a recor... | 01/14/1986 |
| 4420268 | Printing apparatus and tape clamp therefor A thermal printing apparatus includes a platen about which a sheet of paper is circumferentially embraced; a head transfer carriage mounted on guide rails of the apparatus for slidable movement in the lengthwise direction of the platen; a thermal head ass... | 12/13/1983 |
| 4401393 | Printer ribbon cassette and feed mechanism An improved, disposable inexpensive feed mechanism is uniquely incorporated in a cassette having a flexible or movable wall driven by contact with a moving printer carriage or the like. Friction facing of the moving wall cooperates with a fixed friction f... | 08/30/1983 |
| 4376585 | Combined paper advance and ink ribbon feed system A matrix printer, having a movable print head, a paper feed and advance mechanism and an ink ribbon system, is driven by two motors; one for the print head and one for paper feeding and ribbon movement. This second motor is a reversible one and drives the... | 03/15/1983 |
| 4350452 | Ribbon loading system for a typewriter or the like using a sidemounted ribbon cartridge having a detachable ribbon guide A ribbon loading system for a printer of the kind having a moveable printhead carrier establishes a ribbon loading position for the carrier at one end of the carrier travel axis. In response to an operator initiation, the printhead carrier is driven to th... | 09/21/1982 |
| 4342520 | Inkribbon feed mechanism An inkribbon feed mechanism is disclosed which feeds the inkribbon by utilizing power of a spacing motor by which a print head is transversed. The inkribbon feed mechanism comprises commanding means which detect a command element for reversing the inkribb... | 08/03/1982 |
| 4300847 | Teleprinter having single belt carriage and ribbon drive system A teleprinter includes a carriage for conveying a dot matrix-type print head along an operating path parallel to a print-receiving surface. The carriage is mounted on parallel-spaced support rods by means of spaced bearings slidably engaged to one of the ... | 11/17/1981 |
| 4260271 | Inked ribbon advancement mechanism The present invention is an inked ribbon advancement mechanism which is used in combination with a printer having a movable print head. The printer includes a frame and a print head mechanically coupled to the frame so that it travels laterally along the ... | 04/07/1981 |
| 4242005 | Inked ribbon advance and reverse mechanism including a pawl having different size teeth The present invention is an improved pawl for use in combination with an inked ribbon advance and reverse mechanism which includes a plate member, a pair of ribbon spools which are disposed on the surface of the plate member and are mechanically coupled t... | 12/30/1980 |
| 4157224 | Ribbon advancing mechanism In order to advance an inked ribbon in a printing apparatus in which a printing carriage mechanism moves across the width of a platen, one-way brakes are placed on ribbon guide rollers on the printing carriage mechanism to permit relative movement between... | 06/05/1979 |