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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 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 |
| 6087966 | Keyboard device having height changeable key tops A keyboard device, in which the rotation of a cover to a closed position is transferred to racks via pawls attached to the shaft of the cover. The force applied by the pawls forces the racks to slide in the direction E and causes cam gears to rotate in th... | 07/11/2000 |
| 5408621 | Combinatorial data entry system having multi-position switches, each switch having tiltable control knob A combinatorial data entry system useful with a computing apparatus comprises two multi-position switches. A data entry system useful with a telephone comprises one multi-position switch. Each multi-position switch includes a control knob, which can be ma... | 04/18/1995 |
| 5217311 | Accordion style typing machine and keyboard therefor A stenotype machine has a casing with a rear panel and a front panel. The casing is substantially symmetrical with respect to a plane bisecting and perpendicular to the rear and front panels. The casing further has a top panel intersecting the front panel... | 06/08/1993 |
| 5203635 | Lightweight 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 |
| 5152617 | Stenographic 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 |
| 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 |
| 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 |
| 4804279 | Real-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 |
| 4783645 | Quasi-steno keyboard for text entry into a computer A quasi-steno keyboard permits text entry into a computer either by standard letter-by-letter typing or by stenotyping. The keys of the keyboard are arranged in three parallel rows with the tops of the keys in the first and second rows being substantially... | 11/08/1988 |
| 4765764 | Keyboard A keyboard for use with a stenographic transcription and translating assembly possessing word processing capabilities having horizontal and vertical groupings of keys indicating the generation of signals characterizing consonant and vowel letters or non-p... | 08/23/1988 |
| 4490056 | Combinational 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 |
| 4307970 | Key extension for shorthand typewriting machine A shorthand typewriting machine includes a standard keyboard having two rows of upper keys respectively corresponding to consonant characters and an asterisk character all positioned for operation by the fingers, and a lower row of keys respectively corre... | 12/29/1981 |
| 4042777 | One-handed keyboard and its control means A keyboard which has 10 keys controlled by the four fingers and four keys controlled by the thumb of the same hand. On it, the operator forms chords somewhat as a pianist forms chords on a piano. It allows the user to type at normal speed using only one h... | 08/16/1977 |
| 4024943 | Marking apparatus for stenographic typewriter or the like A marking apparatus for use with a mechanical symbol transcribing apparatus such as a stenographic typewriter comprises a lever having a marking means attached to one end of the lever for marking the web or tape carrying the record generated by the appara... | 05/24/1977 |
| 3970185 | Syllabic typewriter A syllabic typewriter keyboard is provided to produce typed copy with conventional spelling, said keyboard particularly characterized by all the control keys located at the ends of the keyboard, except the upper case shift keys located elsewhere.... | 07/20/1976 |
