U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 400/120.01 - Thermal


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein a recording means, due to its being
No. of patents: 302
Last issue date: 01/17/2012


              8  
NumberTitleIssue Date
4828408Apparatus for printing an information carrier
In a transfer printer, the printed, ribbon-like information carrier is suddenly separated from the printing ink ribbon 1 to 5 mm after the two ribbons have passed the transfer pins. Separation is gently initiated over a brief length before this....
05/09/1989
4792246Apparatus for raised printing
Raised printing is produced on a printed sheet by applying thermography powder to a top printed surface of the sheet while printed areas on such top surface are tacky, such that the powder adheres to such printed areas and is thereafter melted in a heatin...
12/20/1988
4789260Thermal printer
A thermal printer includes a thermal head and a printing and erasing common-use ribbon. The thermal head is configured to move during erasing operation in a direction opposite to that during printing operation so as to reuse for subsequent printing operat...
12/06/1988
4786195Erasing means for thermal transfer printer
A thermal transfer printer which can simply and assuredly erase a symbol recorded in error with thermal transfer ink on record paper. The printer comprises, in addition to a printing transfer ribbon and a printing thermal head, an erasing ribbon carrying ...
11/22/1988
4781481Thermal printer and its printing method
A thermal printer includes a single thermal recording medium interposed between printing paper and a thermal head so that when predetermined energy is applied to the thermal head, colorant on the thermal recording medium is transferred to the paper to pri...
11/01/1988
4772140Print head drive system with trouble detector
A print head drive system of the type wherein there is provided a one-shot generating circuit for generating one-shot pulses in response to an instruction given from a processor and the energization of a head is effected in response to the one-shot pulse ...
09/20/1988
4746234Relating to postal franking machines
Postal franking apparatus in which both semi-permanent and variable information to be printed onto an envelope is stored electrically in a memory and is read out to form printing control signals for controlling a thermal printer containing thermally activ...
05/24/1988
4650350Method and apparatus for thermal printing of plastic cards
A printing device for the production of tamper-proof printing on print receiving material comprises a printing head which carries individually controllable heating elements and a color transmitting embossing foil....
03/17/1987
4647234Thermal printer
A thermal printer includes a fixed planar thermal head composed of heating elements disposed in an area corresponding to one page, a detachable unitary ink donor ribbon assembly including a frame and an ink donor ribbon movably disposed in the frame and h...
03/03/1987
4572687Repetitive mode for thermal printing lift-off correction
Ribbon (22) in thermal printing has an outer layer which adheres to printed characters of intermediate temperatures, lower than printing temperatures. The printhead (7) has a column of electrodes (9) which sweep across the character area. Erase mode selec...
02/25/1986
4514768Image forming apparatus
An image forming apparatus is disclosed, which comprises a scanner for producing image information on a document by optically scanning the document, a keyboard for specifying various type face patterns of characters, numerals, symbols, etc., and a charact...
04/30/1985
4475825Non-impact printing apparatus
The invention provides a non-impact printing apparatus wherein a printing head is moved along the direction of width of a recording paper sheet while the printing head is press-contacting the recording paper sheet. The printing apparatus has a means for p...
10/09/1984
4428690Thermal recording print head
A thermal recording print head in a thermal recording system using a heat generating resistor unit made up of elements arranged adjacent to one another. The heat generating elements are arranged in a plurality of lines in an auxiliary scanning direction....
01/31/1984
4396308Ribbon guiding for thermal lift-off correction
In thermal printing the guide (29) positionable toward the platen (3) on a pivoted arm (50) during lift-off correction allows a bond for correction to set before the ribbon (22) is pulled away. The ribbon (22) has an outer layer which adheres to printed c...
08/02/1983
4394092Method and apparatus for high speed thermal printing
A method and apparatus for thermally printing on plain paper high resolution fonts such as the ABA's E13B font. In one embodiment, the thermal print head is held stationary while the record medium (like a bank check) and ribbon (containing heat-transferra...
07/19/1983
4390297Method and apparatus for correction of non-impact printing
A method and apparatus for correction of non-impact printed material which is formed by depositing a thermoplastic marking material on the print sheet. The method and apparatus uses a correction tape or ribbon comprising a substrate which carries a pressu...
06/28/1983
4384797Single laminated element for thermal printing and lift-off correction, control therefor, and process
A ribbon (22) in thermal printing has an outer layer (50) which adheres to printed characters at somewhat elevated temperatures but is non-tacky at room temperatures. The embodiment has an active layer of an ethylene vinyl acetate copolymer, an acrylic po...
05/24/1983
4238806Dot matrix printing device
A dot matrix printing device for electronic calculator comprising a plurality of electrically heatable dots of an insulating plate aligned therebetween and spaced according to a constant pitch to print the digits of the calculator amounts. A symbol dot is...
12/09/1980
4128345Fluid impulse matrix printer
A printer is disclosed for use in printing indicia or the like on a sheet of recording medium by selective application of impulses of fluid. The printer comprises a sheet support mechanism, a print head, fluid supply means, a valve assembly, and an input ...
12/05/1978
3992204Method and medium for producing electrostatic charge patterns
An electromagnetic radiation sensitive copy medium and method for producing positive or negative copies electrostatically. In a first embodiment the copy medium includes a poled, radiation transmissive, pyroelectric insulative layer, an electrically condu...
11/16/1976
3975742Thermal printing-anti-stick mechanism
A thermal recording instrument has an incrementally advanced thermal web. Selectively energized heating elements record alphanumeric information on the web and a logic circuit insures that the web will advance while the elements are energized in order to ...
08/17/1976
3973111Calculator having thermal printing head
Disclosed is an electronic calculator which has a thermal printing head or active printing area exposed to the ambient environment to enable printing in a stamp-like fashion. In the preferred form, the thermal printing head comprises a predetermined numbe...
08/03/1976
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