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| Number | Title | Issue Date |
| 5198991 | Personal computer with dissociated keyboard This invention relates to a personal computer with a folding keyboard and, more particularly, to a personal computer contained within a compact enclosure when stored in a non-use position. The personal computer has a clamshell enclosure having first and s... | 03/30/1993 |
| 5197811 | Keyboard A keyboard operable by one hand includes a first group of four elongated finger keys extending vertically in parallel spaced relation so as to be accessible by the four fingers of a user's hand, and a second group of thumb keys extending laterally of the ... | 03/30/1993 |
| 5178477 | Ergonomic keyboard input device An ergonomic keyboard input device for use with a coupled electronic system, such as a computer. The device includes a keyboard which is organized with an array of actuation keys that are disposed generally to complement the splayed underside architecture... | 01/12/1993 |
| 5170348 | Character input device having touch pen to activate input panel An alphanumeric character input device includes a character input panel located on a planar top surface of a flat housing. The character input panel includes a plurality of character input pads each having indicia thereon corresponding to alphanumeric cha... | 12/08/1992 |
| 5166669 | Key arrangements and methods of use An improved key arrangement with the keys arranged to accommodate increased speed, and to facilitate learning by someone already familiar with the standard Qwerty key arrangement. The invention also includes a method of converting a conventional keyboard,... | 11/24/1992 |
| 5160919 | Ergonomic keyboard An ergonomic keyboard which allows the user's hands to be placed in an anatomically neutral position with the palms facing each other. The main keys are arranged in vertical rows on opposite sides of a base, with the keys to be engaged by the index finger... | 11/03/1992 |
| 5156475 | Keyboard divided by central inverted T-shaped entry-space key A keyboard comprises a plurality of regular keys, and an inverted T-shaped key subdividing the regular keys into two sections including one section for preferably left-hand operation and another section preferably for right-hand operation. A keyboard furt... | 10/20/1992 |
| 5141343 | Compressible/expandable keyboard with adjustable key spacing An extensible and compressible keyboard for application in computer, calculator, typewriter, and other similar applications where storage space is a premium. The keyboard provides adjustable spacing between the keys whereby a compact storage unit is expan... | 08/25/1992 |
| 5137384 | Ergonomic-interface keyboard system Conceived with the human-engineering objective of overcoming Repetitive Motion Injuries such as Carpal Tunnel Syndrome. The solution, a system comprising a split-keyboard spaced laterally into vertically arranged co-operative keypad halves, optimally enab... | 08/11/1992 |
| 5129747 | Keyboard Alphanumeric keyboard input apparatus has a mount and a plurality of keys on the mount arranged in four V-shaped rows, the four rows nested together, one within the other, so as generally to form a chevron. Alphanumeric indicia on the keys are arranged in... | 07/14/1992 |
| 5122786 | Ergonomic keypads for desktop and armrest applications A pair of left and right ergonomic keypads may be separately positioned on a desktop or in the armrests of a chair to permit the user to operate the keypads while assuming more comfortable and natural hand and wrist positions than required when using prio... | 06/16/1992 |
| 5120938 | Keyboard having convex curved surface A lap top keyboard is provided having an outwardly curved center for user mfort and efficiency. The lap support on an underside of the keyboard is recessed, allowing the keyboard to extend downward to an outside of the user's thighs.... | 06/09/1992 |
| 5087910 | Electronic keyboard for one-hand operation The electronic keyboard for one-hand operation, more particularly for generating alphanumeric and analog characters and/or processing instructions, comprises a plurality of keys (2, 4) and an electronic circuit connected electrically to said keys in order... | 02/11/1992 |
| 5073050 | Ergonomic keyboard apparatus Ergonomic keyboard apparatus includes a keyboard separable into two portions, and each portion is movable along a curved track so that the portions may be spaced apart a desired distance. The keyboard portions are also individually adjustable for the phys... | 12/17/1991 |
| 5067834 | Input keyboard apparatus for information processing device and other keyboard devices An input keyboard unit includes a left and right keyboard. A separate universal pivot support unit is secured one to each keyboard and to a base support plate. Each universal pivot unit includes a telescopic shaft with a releasable connector for holding o... | 11/26/1991 |
| 5059048 | Keyboard for use with one hand having curvilinear and linear rows of keys A keyboard permitting data entry with only one hand in which the keys are arranged in non-alphabetic order. The keyboard contains at least four vertical columns of keys, at least six horizontal rows of keys, at least 26 data entry keys, at least 11 multip... | 10/22/1991 |
| 5044798 | Compressible/expandable keyboard with adjustable key spacing An extensible and compressible keyboard for application in computer, calculator, typewriter, and other similar applications where storage space is a premium. The keyboard provides adjustable spacing between the keys whereby a compact storage unit is expan... | 09/03/1991 |
| 5029260 | Keyboard having convex curved surface A lap top keyboard is provided having an outwardly curved center for user comfort and efficiency. The lap support on an underside of the keyboard is recessed, allowing the keyboard to extend downward to an outside of the user's thighs.... | 07/02/1991 |
| 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 |
| 5006001 | Keyboard with one hand character key array and one hand mapping key array A keyboard for use with typewriters, computers, work processors or the like has two components, one operated by each hand. One of the components includes a small array of keys used for typing in characters. The other component has a number of keys for re-... | 04/09/1991 |
| 5003301 | Key arrangement and method of inputting information from a key arrangement An improved key arrangement with the keys arranged to accommodate increased speed, and to facilitae learning by someone already familiar with the standard Qwerty key arrangement. The invention also includes a method of converting a conventional keyboard, ... | 03/26/1991 |
| 5000554 | Method and apparatus for use in microscope investigations with a carrier having exactly one x-y coordinate system reference mark An assembly for use with an optical microscope in visually detecting the presence of a microscopic object in a sample and determining the position of the object in the sample to enable repeated visual observation of the object, the microscope having a mic... | 03/19/1991 |
| 4974183 | Computer keyboard with thumb-actuated edit keys A keyboard (10) is provided for use with computer type devices. The keyboard (10) provides thumb-actuated keys (52, 54, 56, and 58) for controlling the cursor in all four directions without removing either hand (42a or 42b) from its home position (40a or ... | 11/27/1990 |
| 4971465 | Keyboard for use in an information processing device A keyboard operable with one hand includes a plurality of keys arranged on a keyboard base so as to be opposite to the fingertips of the operator's hand in a naturally spread state and each having switching contacts which are selectively engaged by moving... | 11/20/1990 |
| 4927279 | Keyboards for homes Keyboards structured to accommodate electronic technology advances evidenced this past seven years involving keyboards for personal and home use on computers typewriters, personal home computers, calculator and chording keyboards and other typographical e... | 05/22/1990 |
| 4917516 | Combination computer keyboard and mouse data entry system A data input device particularly suited for computers includes a housing which also contains a computer mouse. The mouse functions are executed by moving the entire housing member, and the fingers never move away from their constant "home" key positions f... | 04/17/1990 |
| 4913573 | Alpha-numeric keyboard An ergometrically improved computer of typewriter keyboard having the keys arranged and designated so that they are operated using finger movements which substantially mimic those currently employed by a typist using a standard "QWERTY" keyboard. The keyb... | 04/03/1990 |
| 4849732 | One hand key shell A self-contained data terminal or typewriter keyboard completely operable by a single human hand for the input of information into a computer or other electronic device. The keyboard comprises five sets of keys, each set aligned respectively with the thum... | 07/18/1989 |
| 4836700 | Data entry system A data entry system comprising a one-handed keyboard having five data keys and five control keys which are used in combinations for entering data and control characters in the system. The system also comprises a cursor control assembly for controlling a c... | 06/06/1989 |
| 4833446 | Keyboard apparatus and method A chordic keyboard including chordic data entry locations corresponding to the five fingers of the human hand and correlation apparatus for correlating a set of chordic data entry location engagement combinations to a set of letters in accordance with a c... | 05/23/1989 |
| 4824268 | Ergonomic keyboard An ergonomic keyboard that is suitable for all devices interfacing with a keyboard; and that is able to transmit on unlimited amount of information including the more than 50 alphabets of the world, numbers, other symbols, programing, and operational info... | 04/25/1989 |
| 4778295 | Keyboard with elongate keys associated with compact switch mechanisms A keyboard having ten elongate keys extending in a row substantially at right angles to a transverse centerline through the keys with each of the keys having a longitudinal trough on its upper surface defined by three recesses extending longitudinally of ... | 10/18/1988 |
| 4775255 | Ternary chord-type keyboard Described is a data entry keyboard having a small number of keys, each key being a ternary device having three possible positions. In the preferred embodiment, each key is adapted to move towards or away from the operator, and has a central "off" position... | 10/04/1988 |
| 4761522 | Finger operated switching apparatus A keyboard includes a plurality of keys thereon, each of which is capable of three different switching actions for entry of data or commands into a word processor, typewriter, computer or the like. Each key includes a first inclined surface for generating... | 08/02/1988 |
| 4737040 | Keyboard device and method for entering Japanese language text utilizing Romaji character notation The present invention is a keyboard device for entering Japanese language text utilizing Romaji character notation and a method for entering the Romaji character notation.... | 04/12/1988 |
| 4735520 | Key-holding structure of keyboard with curved operating surface of keys A keyboard having a key-holder plate for movably supporting multiple keys of substantially the same shape and size in plural parallel rows, multiple switches disposed so as to correspond to the multiple keys and provide electrical outputs upon depression ... | 04/05/1988 |
| 4669903 | Bio-mechanical keyboard structure and method An improved keyboard for computer terminals, computer input devices, word processors, typewriters and any other operating or simulator keyboard is disclosed in which selected keys of the keyboard are selectively positioned and aligned to enable a proper a... | 06/02/1987 |
| 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 |
| 4655621 | Combinatorial keyboards which encode characters and a space A keyboard for a typewriter or a computer comprises two groups of keys for operation by the digits of the two hands of an operator. Each group has five home keys, and also some non-home keys, arranged in continuous rows. A decoder is provided for decoding... | 04/07/1987 |
| 4615629 | Input keyboard An input keyboard arrangement is provided for microcomputers, computer terminals, and other devices for processing alphanumeric information. The keyboard arrangement facilitates entry of information by non-typists, increases keying accuracy, enables use o... | 10/07/1986 |
