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| Number | Title | Issue Date |
| 7311455 | Keyboard for minimizing non-productive hand movements A typing keyboard is provided for minimizing non-productive hand movements. The keyboard comprises a plurality of keys for entering alphanumeric text, the keys being positioned according to a conventional keyboard layout, and at least one modifier key for assigning ... | 12/25/2007 |
| 6948868 | Keyboard structure A word transcription keyboard utilizing at least one keypad which is available for access by a finger of the user. A second keypad accessible to the finger of the user is extended and terminated in a press pad for allowing contact of the palm region of the hand simu... | 09/27/2005 |
| 6639523 | Resistive keyboard with status keys An arrangement of a plurality of status keys in a keyboard for entering information in an electronic device. The keyboard comprises a plurality of regular keys connected to a resistive strip at a plurality of locations for providing a first signal when on... | 10/28/2003 |
| 6320519 | Keyboard and method for switching key code with a single modifier key A keyboard with key codes switchable by means of a single modifier key and a method of control thereof are provided. When a modifier key such as an Alt key, a Ctrl key, or a Shift key is pressed and then immediately released, the set of key codes is switc... | 11/20/2001 |
| 5897257 | Keyboard with expandable function keys The subject invention relates to a type of keyboard with expandable function keys, on the keyboard are a number of expanded function keys, said function keys are connected to the additional I/O cable for the microprocessor in the circuit structure in the ... | 04/27/1999 |
| 5648772 | Control console for a program-controlled machine tool A control console for a program-controlled machine tool consisting of a base, an ergonomically positioned control panel including a plurality of function keys, and a display screen. The control panel and the display screen are provided in a common control... | 07/15/1997 |
| 5348407 | Snap-on control panel A portable ink-jet printer and sheet feeder which can be battery powered. The printer may be manually fed paper for operation independent of the sheet feeder. The printer and sheet feeder are mounted on a base and locked at 90 degrees to one another. They... | 09/20/1994 |
| 5336002 | One-handed alphanumeric keyboard and method Alphanumeric keyboards are described for use with one hand to enter data. Each keyboard includes a plurality of individually movable alphanumeric keys that are each assigned a different letter of the alphabet. The keys are positioned side-by-side in multi... | 08/09/1994 |
| 5017030 | Ergonomically designed keyboard A keyboard usable on a typewriter or a computer terminal and configured in accordance with ergonomic principles uses chording of one thumb and one finger to type the characters of the English alphabet. The keyboard includes right and left preloaded palm p... | 05/21/1991 |
| 4609908 | Repeat control apparatus for a polling type serial interface keyboard apparatus A repeat control apparatus for a serial keyboard interface apparatus has a one-chip microprocessor which serves as a keyboard controller. A RAM section in the microprocessor includes an area for holding a set value RCDA for repeat start timing ... | 09/02/1986 |
