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| Number | Title | Issue Date |
| 5056943 | Line-spacing device for a typewriter or the like In a line-spacing device for a typewriter or the like, where a platen, used as a support for the paper, is moved forward in steps by means of a ratchet it is provided for attaining a half-step transport that the gripper point (20) is seated longitudinally... | 10/15/1991 |
| 4993852 | Print head control for subscript and superscript correction Disclosed is a text processing system such as a word processor and an electronic typewriter. The disclosed system comprises memory means for storing character data and shift data indicating a character be printed on a line shifted upward or downward from ... | 02/19/1991 |
| 4946299 | Document processing apparatus A document processing apparatus has a printer for printing characters; a keyboard used for inputting characters such as alphabetical characters, symbols and numerical characters; attribute imparting circuitry for imparting an attribute to characters input... | 08/07/1990 |
| 4893953 | Printer for normal line feed by a carriage return Disclosed is a printer having memory means for storing the vertical print position movement data so as to print a super-script or sub-script character. When the carriage is returned after printing in a nonstandard row position, the print position is moved... | 01/16/1990 |
| 4889439 | Automatic page end feature for an electronic typewriter The invention automatically divides the text at the end of the page in such a way that widow lines and orphan lines of text do not exist. The typewriter shifts the effective page end point to shift the orphan line of text to the next page of text or delay... | 12/26/1989 |
| 4871270 | Method of printing modified characters by means of a matrix printer A matrix printer normally cooperates with a particular character generator by means of which coded information representing characters to be printed is translated into a matrix of print commands for print styli printing dots out of which a character is co... | 10/03/1989 |
| 4789257 | Line find feature for an electronic typewriter A function for an electronic typewriter is described which allows the operator of the typewriter to realign the print element of the typewriter to the prior adjacent, or the following adjacent line which contains textual material, even when the present po... | 12/06/1988 |
| 4728209 | Printing apparatus having a memory for storing composite and printed character information for subsequent erasure A printer has a memory for storing character information on printed characters; character information on a composite character consisting of at least two characters is stored in the memory to simplify the correction operation. Print form/print pitch infor... | 03/01/1988 |
| 4648047 | Interactive operator selection of alternative implementations of printer functions A word processing program is configured to produce a series of examples, for operator examination, of alternative implementations of certain printer functions. By observing the printer performance and physical appearance during the printing of these examp... | 03/03/1987 |
| 4624591 | Impact printer with type font elements having mid-line pitch change capability An impact printing system which is particularly suitable for word processing is provided with the capability of effecting mid-line pitch changes. The impact printer system which is particularly compatible with interactive display terminals in word process... | 11/25/1986 |
| 4444521 | Print medium advancing mechanism including print head retraction A single stepper motor is utilized in a printing device to lift a print head from the surface of recording material upon the initial angular rotation of the stepper motor output drive shaft and to move the recording material within the printing device upo... | 04/24/1984 |
| 4410286 | Printing complex characters There is disclosed an apparatus for and a method of printing complex characters using a high speed bidirectional on-the-fly printer. In accordance with the present method complex characters are printed in at least two steps. Once the first portion of a ch... | 10/18/1983 |
| 4343555 | Chemical print element Disclosed is a novel print element for a serial impact printer having a novel character set which permits the typing of text as well as chemical symbols and formulae with a small number of character elements. Closed ring structures may be formed with the ... | 08/10/1982 |
| 4181444 | Device for printing out indices and powers in typewriters A device is disclosed for index and exponent impression printing in typewriters. An exponent or index switching key has associated with it an edge detector, and parallel thereto, a state detector. A time function element which triggers a gate circuit for ... | 01/01/1980 |
| 4074067 | Digital printout arrangement with magnetic field carriage drive A digital printout arrangement to print out a predetermined character response to a known coded input signal. The printout arrangement has a rotatably moveable platen for moving the medium upon which the printing is to occur in both forward and reverse di... | 02/14/1978 |
| 4044879 | Arrangement for recording characters using mosaic recording mechanisms A device for recording characters on a recording carrier uses mosaic recording mechanisms. In addition to the recording of the characters in the required character height, additional recording members are arranged in the recording head and a control devic... | 08/30/1977 |
| 4037705 | Descender printing system for dot matrix printer A descender printing system for a dot matrix printer, comprising a detector for detecting code words representative of descender characters (lower case letters, punctuation, fractions, etc.) prior to printing, and shift means for actuating the line feed m... | 07/26/1977 |
| 3976990 | Apparatus and method for offsetting selected characters of a character display An apparatus is disclosed for displaying subscript and superscript characters on the screen of a cathode ray tube. The encoded characters are selectively read from a memory which also provides two extended level outputs relating to the subscript and super... | 08/24/1976 |
| 3947853 | Subscripting, superscripting, and character height compression in ink jet printing apparatus Techniques are described for producing superscripts (half indexing), subscripts, and character height reduction for an ink jet printer.... | 03/30/1976 |
| 3942620 | Printing mechanism A printer of the wire type including 8 print wires disposed in a row and each actuatable by an electromagnet for printing individual characters defined by eight dots high and seven dots wide on a longitudinally movable ticket medium. The printing mechanis... | 03/09/1976 |
