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| Number | Title | Issue Date |
| 4613247 | Multiple format keyboard A keyboard arrangement suitable for use in typewriters, word processors, computer terminals and the like includes a number of manually actuable key members supported in a given array. Different letter formats can be selected for those key members correspo... | 09/23/1986 |
| 4597681 | Adjustable keyboard An adjustable keyboard for typewriters, computers, and similar machines, is divided laterally into first and second sets of keys, with each set being adjustable about each of two mutually angulated axes so as to change the planes of the sets relative to e... | 07/01/1986 |
| 4579470 | Keyboard with keys concentrated in clusters A typewriter keyboard arrangement with keys concentrated in clusters in such a manner so as to be operated by specific fingers designated for specific clusters. Keys are clustered and clusters arranged to allow rapid finger motion with little hand motion.... | 04/01/1986 |
| 4555193 | Keyboards including color coding and one handed operation A keyboard is disclosed having keys subdivided into one or more fields. Two keys from the same field concurrently actuated identify a particular character. Characters are also identified by the actuation of a single key independently of any other key. Piv... | 11/26/1985 |
| 4543563 | Mechanically-actuated transparent touchbars and touchplates A transparent touchbar or touchplate is supported at its edges by a plurality of push-button switches. A plurality of valid touchpoints exist; and the touching of each can be distinguished, though the number of touchpoints is larger than the number of pus... | 09/24/1985 |
| 4522518 | Character data input keyboard arrangement having central matrix of keys A manual data entry keyboard, having left hand and right hand clusters of keys, is separated medially by an interposed, auxilliary matrix of keys comprising an [m×n] array of keys, where m and n are integers--m at least 4, n at least 1. In one embodiment... | 06/11/1985 |
| 4509873 | Alphanumeric section of office machine keyboards An adjustable alphanumeric keyboard based on ISO standard format and consisting of two flat key contact mounting boards, one left and one right, corresponding respectively to the section of the alphanumeric keyboard actuated by the left hand and right han... | 04/09/1985 |
| 4492158 | Postage printing apparatus having a movable print head and a hollow non-rotating support shaft A postage meter printing apparatus for applying postage indicia to a mailpiece having a cyclically operating drum for feeding the mailpiece through the postage meter, the periphery of the drum having an aperture therein. The drum means is supported for ro... | 01/08/1985 |
| 4483634 | Keyboard arrangement In order to diminish the physical troubles often occurring with the usual keyboard arrangement, the alphanumeric keyboard is subdivided into two keyfields mounted on a support having a wedge-shaped extension towards the operator which extension is used as... | 11/20/1984 |
| 4467321 | Chording keyboard for generating binary data A data entry device wherein key switches may be pressed singly and in combination to generate a binary number corresponding to specific characters and character combinations. A preferred embodiment of the invention contemplates ten key switches, each key ... | 08/21/1984 |
| 4449839 | Keyboard with elongate keys A keyboard for a typewriter or the like including a series of elongate keys disposed in a row and normally with respect to the front edge of the typewriter or at an acute angle with respect thereto. Each of the keys is depressable when a finger pressure i... | 05/22/1984 |
| 4414537 | Digital data entry glove interface device A man-machine interface is disclosed for translating discrete hand positions into electrical signals representing alpha-numeric characters. The interface comprises a glove having sensors positioned with respect to the hand for detecting the flex of finger... | 11/08/1983 |
| 4332493 | Ten-finger typewriter keyboards Typewriter keyboards for English and German are disclosed that assign vowels and consonants to keys on both sides of the keyboard to maximize the number of successive keystrokes by the same hand and to minimize the number of successive keystrokes by the s... | 06/01/1982 |
| 4294555 | Multi-row keyboard for typewriters or similar machines Keyboards designed in accordance with ergonomic viewpoints are slightly dished transversely in relation to the longitudinal direction and the key surfaces have a slope tending toward the dished shape. According to the invention, this arrangement is accomp... | 10/13/1981 |
| 4265557 | Keyboard apparatus A keyboard apparatus construction (FIG. 1) is provided which clusters the keys operated by each finger closely about the finger in its "home row" position on the home row of the generally accepted keyboard configuration. The upper or "number" row is opera... | 05/05/1981 |
| 4253774 | Information output device An information output device basically comprises character output elements for visibly outputting at least one of characters such as letters, numbers, symbols, etc., a keyboard carrying thereon keys corresponding to the characters and usable for the selec... | 03/03/1981 |
| 4244659 | Keyboard arrangement A typewriter keyboard arranged to take into account the frequency of occurrence of letters so that the keys for the most frequently occurring letters are positioned for easiest operation by the typist. Account is also taken of the frequency of occurrence ... | 01/13/1981 |
| 4201489 | Keyboard actuatable with the aid of the fingers of at least one hand A keyboard which has support frame, or several rows of key units. Each key is movable out of an initial inoperative position by the tip of the index finger. The key of each key unit of a guide key row has a key rod and a top face on one end of the key rod... | 05/06/1980 |
| 4081068 | Keyboard actuable with the aid of the fingers of at least one hand A keyboard, actuatable with the aid of fingers of at least one hand is described which keyboard includes a support frame, a normal row of keys therein, each of which can be moved out of an initial position of the fingers by the tips of the index finger, m... | 03/28/1978 |
| 3990565 | Remote control bifurcated typewriter keyboard (Universal input matrix switch) A new design of typewriter in which the keyboard is divided into two components, and which are adjustably movable away from the remainder of the typewriter, so that they may be positioned on either sides of papers placed directly in front of a typist, and... | 11/09/1976 |
| 3980869 | Rotatable keyboard A data processing console having a rotatable keyboard.... | 09/14/1976 |
| 3945482 | Orthogonal input keyboards Orthogonal ten-finger keyboards are disclosed for typewriters, computer terminals, and other devices processing alphanumeric information that maximize entry rates and stroking accuracy--and minimize finger motions and the time needed to master the keyboar... | 03/23/1976 |
