Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 6937261 | Method for driving paper-feeding stepping motor in thermal printer In order to provide a paper-feeding stepping motor driving method which inhibits the torque of a paper-feeding stepping motor of a line-type thermal printer, which is driven in response to the divisional energization of heating elements, from excessively increasing ... | 08/30/2005 |
| 6784908 | Printer The present invention provides a printer in which a current is conducted to a thermal head 20 in order to pre-heat the thermal head 20 concurrently with battery checking prior to printing. Thereafter, power supplied from a battery is fed to the thermal... | 08/31/2004 |
| 6357348 | Heat-sensitive stencil master making apparatus A heat-sensitive stencil master making apparatus for making a stencil master by imagewise perforating thermoplastic film of heat-sensitive stencil master material according to an image on an original includes a thermal head which has an array of a plurali... | 03/19/2002 |
| 6345920 | Method of energy control in printing with transfer ribbon and direct thermo material in thermo-printers The invention relates to a method for controlling the amount of energy from a printer head in a thermo-printer. The appropriate amount of energy for obtaining the best possible print quality with a certain printing material is controlled through calculati... | 02/12/2002 |
| 5890819 | Thermal printer system and method for improved compensation of variations in operating parameters There is disclosed a thermal printer system in which variations in voltage (and the energy corresponding thereto) supplied to resistance elements of a print head are electronically compensated for. The voltage at the print head is monitored as a line of p... | 04/06/1999 |
| 5669720 | Thermal printer with minimized power difference between sequentially driven blocks of printing elements A thermal printer has a thermal head provided with a plurality of thermal elements arranged linearly. The thermal printer also includes a power source capable of supplying a predetermined power level to the plurality of thermal elements which generate hea... | 09/23/1997 |
| 5482386 | Selection circuit for an electro-thermal printer with a resistance-type ribbon A selection circuit for an electro-thermal printer with a resistance-type ribbon includes a print unit, a current collection electrode, a memory, and a print control unit. The resistance-type inking ribbon that is moved relatively transfers ink particles ... | 01/09/1996 |
| 5362161 | Power source compensation for printer A power source for a printer has a power source unit for supplying power to the printer and lead wires for electrically connecting the power source unit to the printer. The power source unit includes a compensating circuit for compensating a reduction in ... | 11/08/1994 |
| 5144336 | Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads that have a heating matrix system This disclosure presents methods for controlling the temperature of a thermal ink jet and thermal printhead so that the quality of black and white printing, gray-scale printing, and color printing is improved. The methods control the average residual powe... | 09/01/1992 |
| 4714363 | Print control device for a dot matrix printer A print control device for use with a portable battery powered dot matrix printer has a DC motor which moves a carriage with a dot generating mechanism and is provided with a shaft position signal generator. A control circuit responds to the anglular posi... | 12/22/1987 |
| 4350449 | Resistive ribbon printing apparatus and method A printing apparatus and method employs a print head comprising a plurality of aligned printing electrodes. The print head is movable relative to a ribbon comprising a resistive layer, a conductive layer, and a layer of thermally transferrable ink to prov... | 09/21/1982 |
| 4345845 | Drive circuit for thermal printer An electrode drive configuration for a resistive ribbon thermal printer utilizes as a feedback a monitored signal representative of an internal ribbon voltage at the print point. A monitoring contact is preferably located on the opposite side of the print... | 08/24/1982 |
| 4113391 | Method for controlling voltage and providing temperature compensation in a thermal printer A method and apparatus is provided for controlling the period or pulse width of pulses applied to exothermic printing elements of a thermal printer to effect printing. Control of the period or pulse width is in response to variations in applied voltage an... | 09/12/1978 |
| 3934695 | Method and apparatus for enhancing and maintaining character quality in thermal printers The quality of thermally printed characters is enhanced by controlling the time at which and the time for which power is applied to the resistive printing elements in a battery-operated moving-head thermal dot matrix printer. By sequentially strobing the ... | 01/27/1976 |
