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Class 400/94 - Electrically powered


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein significance is attributed to a stenographic
No. of patents: 21
Last issue date: 01/17/2012


NumberTitleIssue Date
8096714Stenographic keyboard device providing extended set of keys and method for electronically adjusting key depth sensitivity
A device and method for determining key registration settings in a stenographic device, includes providing a plurality of keys making up a standard stenographic keyboard, each key having a resting position, a depressed position, and a range of depression positions b...
01/17/2012
8075208Mobile workstation
A case for use with a stenotype machine, portable computer, and cables, power supply equipment, memory devices, as well as paper, writing utensils, and the like to form a mobile workstation. The case includes a top, a bottom, and a circumscribing sidewall, the top r...
12/13/2011
7572078Electronic key depth sensing device and method for interpreting keystroke levels of the device
A method for recording shadow keystrokes in an electronic stenographic recording machine having keys forming stenographic keystrokes when actuated includes the steps of sensing an extent of an actuation of a subset of the keys as a stenographic keystroke, recording ...
08/11/2009
7403375Adjustable LCD screen assembly for writing machine
The adjustable LCD screen assembly for a writing machine includes base and an LCD screen assembly coupled to each other by a hinge assembly. An embodiment of the hinge assembly includes a pivot post and a pair locking set screws, Bellville spring washers, a screw, a...
07/22/2008
7190351System and method for data input
The invention provides a system and a method for data input that can be used with or incorporated into electronic, computer, and portable devices. The interface includes a small set of control buttons or keys that are used to provide access to an associated set of s...
03/13/2007
6980200Rapid entry of data and information on a reduced size input area
A method and device designed to improve the speed, accuracy, and ease of entry of characters and other symbols by a user. The device is designed to use a reduced size input area as an input source and optionally as a display screen. A set of characters or other symb...
12/27/2005
6980136Keyboard with detection function for pressing pressure
The present invention provides a kind of computer keyboard being able to detect the pressing pressure of keys. The computer keyboard comprises: a plurality of keys; a detecting unit, which outputs a detecting signal according to the pressing pressure of the pluralit...
12/27/2005
5745875Stenographic translation system automatic speech recognition
The present invention involves a stenographic translation system which comprises (a) a stenographic processor device for converting lexical stroke symbols to first output units comprising language text words and sets of undefined lexical stroke symbols; (...
04/28/1998
5203635Lightweight stenographic machine with separate and additional number keys
A stenographic machine includes a keyboard having a first area containing keys designated for at least some of numerals "1", "2", "3", "4", "5", "6", "7", "8" and "9", a second area containing keys designated for consonant letters, a third area containing...
04/20/1993
5152617Stenographic machine having power driven note marker
A stenographic machine of the type having a platen means for supporting a paper tape and a memory means for electronically storing stenographic notes as well as a plurality of keys and associated electromechanical elements for recording testimony and proc...
10/06/1992
4804279Real-time word typewriter
A word typewriter is disclosed. An entire syllable is typed by simultaneously pressing a chord of keys on a keyboard. The chord of keys is decoded according to certain decoding rules and priority rules. The invention produces an output of written text in ...
02/14/1989
4692042Computerized printing system
A computerized system for the rapid rendering of written or spoken material into printed text. A stenographic record of the material is produced by a reporter according to a stenographic system including "automatics" to enable batch translation of the ste...
09/08/1987
4632578Computerized printing system
A computerized system for the rapid rendering of written or spoken material into printed text. A stenographic record of the material is produced by a reporter according to a stenographic system including "automatics" to enable batch translation of the ste...
12/30/1986
4490056Combinational keyboard utilizing sequential operation of keys
U.S. Pat. No. 4,067,431 discloses a combinational keyboard in which keys are operated in combinations much as a piano is played. A combination being those keys which are depressed between two periods in which no keys are depressed. Each combination genera...
12/25/1984
4439798Referencing device for digital data recorders
An improved referencing device for identifying for future reference a portion of a data record as it is being recorded for use in combination with a shorthand machine generating electrical output signals corresponding to the keys depressed, a recording me...
03/27/1984
4421427Shorthand machine having electric platen advancement
A shorthand machine including an electric drive system to advance the platen. In accordance with the invention, the platen can be advanced in a fully mechanical, conventional mode, fully electric mode, or by a combination of electric and mechanical drives...
12/20/1983
4415283Shorthand machine having active tactile feedback
A shorthand machine having active tactile feedback to the keyboard, providing the operator with a keyboard response permitting the operator to sense return of the keys sufficiently toward their rest position to permit initiation of the next key stroke wit...
11/15/1983
4363558Shorthand machine having electric platen advancement
A shorthand machine including an electric drive system to advance the platen. In accordance with the invention, the platen can be advanced in a fully mechanical, conventional mode, fully electric mode, or by a combination of electric and mechanical drives...
12/14/1982
4247208Electrical stenographic machine
A stenographic machine having electrically powered paper advance and permitting control of key stroke length independent of the paper feed length. The print hammers are mechanically actuated by depression of the associated keys, as in a conventional mecha...
01/27/1981
4205351Digital data recorder
A digital data recorder is adapted for receiving a plurality of parallel input data members for defining a single input signal. Any of the input data members may change in identity during the presentation of the single input signal, and the recorder gives...
05/27/1980
3964062Keyboard switch system
A keyboard switch system for stenographic machines whereby electrical signals corresponding to key depression may be derived. The switch system is comprised of a plurality of coils each having a coil parameter effecting plunger coaxial therewith and sprin...
06/15/1976
 
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