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Class 434/229 - Means for selectively rendering key operable or inoperable


Subclass of Class 434 - Education and demonstration
Definition: Subject matter including means to lock one or more keys
No. of patents: 10
Last issue date: 11/07/2000


NumberTitleIssue Date
6142910Method and therapy software system for preventing computer operator injuries
A method and therapy software system for preventing computer operator injuries combines a computer with a software system and prevents or rehabilitates computer operator injuries resulting from the prolonged use of a computer keyboard or mouse associated ...
11/07/2000
5868647Apparatus and method for reducing repetitive strain injuries
An apparatus and method for reducing, preventing, lessening and treating the incidence and severity of Repetitive Strain Injuries ("RSI") comprising a combination of computer software and hardware that provides a "prompt" and system whereby the computer o...
02/09/1999
5792025Method and apparatus for reducing repetitive motion injury risk to typist and pointer-device operators
A system to reducing repetitive motion injury (RMI) risks comprises a wrist-resting device having one or both of a heater and a vibrator in the device. In preferred embodiments edges of a support pad for the device are rounded significantly to avoid the p...
08/11/1998
5214429Computer method utilizing keyboard adapter
An adapter device for use with a data-input-type keyboard comprises a housing defining a chamber receiving the keyboard. An upper housing panel is provided with a first opening at least coextensive with all keys on said keyboard. A plate is hingedly secur...
05/25/1993
5096317Computer key cover apparatus
A cover apparatus including a transparent housing overlying a computer keyboard, wherein the cover apparatus includes a plurality of forward and rear side walls defining rows of openings, wherein each row of openings is arranged overlying rows of computer...
03/17/1992
5047952Communication system for deaf, deaf-blind, or non-vocal individuals using instrumented glove
A communication system for deaf, deaf-blind, or non-vocal individuals includes an instrumented glove for obtaining electrical signals indicative of a hand configuration of a first individual. Strain gage sensors in the glove flex with movement of the hand...
09/10/1991
4414537Digital 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
4398086Game-calculator having sliding mask
A game-calculator having a single housing for a handheld calculator and an electronic game each sharing the same display, with a sliding mask to alternatively cover in a first or second position either the calculator keyboard input keys, or both the game ...
08/09/1983
4119839Keyboard mask for general-purpose calculator
In order to adapt a general-purpose calculator to specific tasks, the keyboard of that calculator is covered by a mask including a resilient membrane overlain by a rigid panel having cutouts registering with keys whose function is to be preserved. The cut...
10/10/1978
4055905Teaching typewriter
A system for facilitating the learning of typing by permitting only the proper finger to operate each key. The operator wears a pair of gloves having each finger wired separately to a group of electromechanical devices each for enabling or inhibiting depr...
11/01/1977
 
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