Bizarre Patents
An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7231060 | Systems and methods of generating control signals Separating a source in a stereo signal having a left channel and a right channel includes transforming the signal into a short-time transform domain; computing a short-time similarity measure between the left channel and the right channel; classifying portions of th... | 06/12/2007 |
| 7038399 | Methods and apparatus for providing power to lighting devices Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl... | 05/02/2006 |
| 6852067 | Systems for the prevention or treatment of carpal tunnel syndrome Apparatuses and methods for preventing and/or treating carpal tunnel syndrome are disclosed. One such apparatus comprises a splint for wearing on a portion of an upper extremity of an individual, a warning mechanism carried by the splint and a switch mechanism carri... | 02/08/2005 |
| 6579209 | Software product for preventing and treating repetitive stress injuries A software product and method are disclosed for preventing and treating Repetitive Stress Injuries (RSIs) in computer users. The software product is comprised of an exercise program stored on a storage medium. The exercise program operates with a computer... | 06/17/2003 |
| 6400285 | Ergonomic keyboard A keyboard system is provided for use in data entry. The keyboard generates signals indicative of key closures, and also generates signals indicative of the pressure with which the user has pressed the keys. If the pressure exceeds a threshold, such as 20... | 06/04/2002 |
| 5305238 | Data input monitor and indicator for managing work pace and rest periods A data input monitor for use with a data input device, such as a computer keyboard, measures the amount of data entered into a computer and establishes intermittent rest periods based on the measured data amount. The data input device includes a display f... | 04/19/1994 |
| 5215396 | Position finding overlay for forms A transparent plastic overlay includes row and column markings. The overlay is aligned and laid onto a form. The form has areas which are to be filled in by a computer-driven printer. The overlay markings tell a user the row and column coordinates of ever... | 06/01/1993 |
| 5209589 | Apparatus and method for minimizing printer scan error In a printer assembly including a printhead which moves in a first direction for printing on a sheet of paper, roller means having an outer cylindrical periphery that engages the sheet of paper at successive tangent points on the periphery for moving the ... | 05/11/1993 |
| 5027702 | Print drum with alignment marks Print drums are described wherein a special "alignment character" is placed, along with print-symbols, on the surface of the print drum, mixed-in with at least one of the character sets.... | 07/02/1991 |
| 4934852 | Variable color display typewriter A typewriter with variable color display visually presents typed text in a color variable in accordance with the typing speed and accuracy.... | 06/19/1990 |
| 4894614 | Apparatus for measuring the center-to-center distance between point wires of print solenoids A center-to-center distance measuring device for measuring the exact spacing between print solenoids. The devie uses a test block having a top surface and a bottom surface which are parallel. The top surface has first and second bevel surfaces which are p... | 01/16/1990 |
| 4865475 | Printer adjusting the print hammer position for precise printing A printer, which can adjust the attached position of the print hammer without a device specifically provided for the position-adjustment, is provided with an adjustment mode in addition to a normal printing mode. In the adjustment mode, a predetermined ty... | 09/12/1989 |
| 4824269 | Variable color display typewriter A typewriter with variable color display visually presents typed text in a color variable in accordance with the typing speed and accuracy.... | 04/25/1989 |
| 4810117 | Printer with a ribbon lift mechanism having selective time intervals either in typewriter mode or in printer mode A printer having a ribbon lift mechanism for lifting a ribbon from a rest position to a printing position. The printer operates in two different modes, that is, a printer mode in which characters are printed according to the data in a memory and a typewri... | 03/07/1989 |
| 4661005 | Spittable keyboard for word processing, typing and other information input systems A keyboard arrangement for reducing stress and tension experienced by a human operator during communication with an information processing machine. The keyboard, which may have the actuators thereon arranged in a conventional keyboard distribution, such a... | 04/28/1987 |
| 4621334 | Personal identification apparatus A method and apparatus is disclosed for verifying whether a particular individual is a member of a predetermined group of authorized individuals. The subject apparatus is particularly suited for controlling access to a secure resource such as a computer n... | 11/04/1986 |
| 4616946 | Printing device having external data input A printing device of a construction wherein operation checking program data for checking various operations of a printing mechanism and a display unit are memorized in a memory unit, into which print data for editing, memory, correction of sentences, etc.... | 10/14/1986 |
| 4559443 | Initializing the print wheels in an electronic postage meter Method and apparatus for initializing the printwheels in an electronic postage meter is disclosed. The apparatus comprises a printwheel selection mechanism which is comprised of various components. The various components on the printwheel selection mechan... | 12/17/1985 |
| 4490055 | Automatically adjustable delay function for timed typamatic A typewriter is described which has an electronic keyboard utilizing a timed delay to determine whether a depressed key is indicative of the desire to print or display repetitive letters represented by that key. The typewriter is provided with a technique... | 12/25/1984 |
| 4370665 | Paper transport for a printer test unit A paper transport simulates movement of a plurality of documents past the print station of a ink jet printer. The transport includes an arrangement for transporting a continuous paper web past the print station and a tachometer drive roller for contacting... | 01/25/1983 |
| 4339208 | Optical sensing of wire matrix printers An optical sensor is provided for each print wire of a print head and includes two glass fibers to carry light from a light-emitting diode to the surface of a record medium and to carry the reflected light to a photodiode. Each printed dot is detected and... | 07/13/1982 |
| 4184781 | Defect detector The present invention discloses a dot printer in which means are provided for detecting deterioration of dot print elements which print characters and so on and for detecting trouble caused by a print drive circuit. Print sensing elements are placed at a ... | 01/22/1980 |
| 4050564 | Electronic control for optimizing carrier turnaround in printing apparatus Printing apparatus has an ink jet printhead mounted on a carrier for movement during printing of characters between left and right margin locations relative to a document. A directionally oriented grating and associated circuitry is provided to maintain a... | 09/27/1977 |
| 4015343 | Testing apparatus A person being tested looks into a mirror through which is exhibited on a surface displaced upwardly from the striking row a previously prepared sheet of paper inserted into a conventional typewriter. The path of viewing passes through a Dove prism or oth... | 04/05/1977 |
