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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7100507 | Flexographic rotary platen printing press A flexographic rotary platen printing press for printing indicia on a web of flexible material moving along a longitudinal axis. The flexographic rotary platen printing press includes a print drum assembly that is affixed to a trolley that is moveable in a linear di... | 09/05/2006 |
| 5221149 | Type printer A type printer has at least two colors of ink applied alternately in a column direction and is shifted in the column direction for each rotation of the type drum. The type drum is automatically halted once the drum has completed two revolutions. A selecti... | 06/22/1993 |
| 5152616 | Miniature printer A miniature printer is provided which can print characters in additional different character sets of fonts by combining several character sets which are included in the printer on a type drum or type belt. The printer includes a mechanism for selecting pa... | 10/06/1992 |
| 4948273 | Drive mechanism for a miniature printer A small-sized printer has a carriage moving in front of a platen. A print wheel is rotatably mounted on the carriage and coupled to a print wheel gear. The print wheel gear meshes with two worm gears which extend parallel to the platen. A rack-like cam al... | 08/14/1990 |
| 4881833 | Drive mechanism for a small-sized printer In a small-sized printer having hammers provided within a type ring according to the invention, a direction in which the hammer is moved is changeable over selectively so that printing may be carried out in different positions. Also, electronic apparatus ... | 11/21/1989 |
| 4856922 | Two-color printer The printer is mounted on a desk-top computer and can print both numeric characters and graphic and calculation symbols in two different colors. The characters and the symbols are provided in a relief configuration in accordance with a matrix of rows and ... | 08/15/1989 |
| 4787761 | Miniature printer A small-sized printer has a carriage moving in front of a platen. A print wheel is rotatably mounted on the carriage and coupled to a print wheel gear. The print wheel gear meshes with two worm gears which extend parallel to the platen. A rack-like cam al... | 11/29/1988 |
| 4655130 | Printer A printer for printing characters on a recording medium includes, a printing drum provided on a first portion and a second portion of the outer periphery thereof respectively with a first set of type faces and a second set of type faces, the first set of ... | 04/07/1987 |
| 4632581 | Serial printer having trigger mechanism A type wheel stack, a typewheel mounting shaft and a motor are arranged on a movable carriage. The type wheel arrangement is rotatable with and axially movable along the shaft. The motor is coupled to the type wheel stack through a clutch and cam mechanis... | 12/30/1986 |
| 4602877 | Electronic equipment with printer unit There is provided electronic equipment with a printer unit capable of printing on a self-contained first print medium and printing on a second print medium disposed on a desk or the like and means for facilitating the use of the equipment.... | 07/29/1986 |
| 4589787 | Printer with rotatable print band In a small-sized printer having hammers provided within a type ring according to the invention, a direction in which the hammer is moved is changeable over selectively so that printing may be carried out in different positions. Also, electronic apparatus ... | 05/20/1986 |
| 4534665 | Serial printer A multicolor serial printer has a color switching means interposed between an end of a carriage and type wheels having a group of first-color printing types and a group of second-color printing types. The color switching means has first-color and second c... | 08/13/1985 |
| 4494885 | Compact printer A compact printer having a typefont belt constituting a typefont wheel maintained under tension on a support, wherein the platen is rendered displaceable in a direction away from the typefont wheel after the completion of the printing operation, and the f... | 01/22/1985 |
| 4480935 | Printing type drum There is disclosed an integrated cylindrical formation of plural lines of a printing type belt in such a printing type drum as contains a hammer unit therein, has plural lines of printing type belts installed round the periphery of the cylindrically forme... | 11/06/1984 |
| 4458589 | Compact printer having a typefont belt with a type-free portion This invention provides, in a printing wheel having an internal hammer, a new structure of the typefont belt and a mounting method therefor on the support member. Also a structure of the printing drum and a driving method therefor suitable for intermitten... | 07/10/1984 |
| 4457230 | Typefont wheel and belt for small printer This invention relates to a typefont belt and a typefont wheel for use in the small printer. The typefont belt made, for example of rubber, is fitted around a cylindrical support to compose the typefont wheel and is struck by a printing hammer provided in... | 07/03/1984 |
| 4443123 | Small serial printer A serial printer has a type drum rotating about a rotation axis perpendicular to the direction of the line of a paper and a carriage for carrying said type drum in the direction of the line. The carriage has a type drum comprising a base member and type b... | 04/17/1984 |
| 4437776 | Printing mechanism A printing mechanism has a type drum which rotates in a plane that extends perpendicularly to the feeding direction of a printing paper sheet, and a control assembly for rotating and for shifting the type drum along a printing line. During printing, the t... | 03/20/1984 |
| 3944052 | Single element flexible type drum A type drum comprising a shell formed as an open network of rows and columns with type characters being formed at the intersections thereof, the shell being attached at one end by struts to a hub located within the shell and spaced therefrom and a combina... | 03/16/1976 |
| 3930569 | Power driven typewriter with flexible type head A power driven typewriter comprising a shiftable carrier supporting a rotatable and axially movable flexible type drum having a plurality of circumferentially extending rows of type characters thereon. Type keys, when depressed, each condition one each of... | 01/06/1976 |
