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Class 400/493 - Including character-bearing disc on key cap


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein said key* cap is provided
No. of patents: 33
Last issue date: 02/26/2008


NumberTitleIssue Date
7334952Staggered keyboard for a portable device
A staggered keyboard for use with a portable device is provided. The staggered keyboard includes a plurality of keys arranged into a plurality of rows of keys. For each row of keys, the labeling of the keys is arranged in either a linear or an arced relationship dep...
02/26/2008
7220069Staggered keyboard for a portable device
A staggered keyboard for use with a portable device is provided. The staggered keyboard includes a plurality of keys arranged into a plurality of rows of keys. For each row of keys, the labeling of the keys is arranged in either a linear or an arced relationship dep...
05/22/2007
7160042Two sensor movement
Multiple methods of using only two sensors to control the state of an object in a one dimensional environment, a two dimensional environment or a three dimensional environment. A method of using only two sensors to control the state of an object in a secondary mode ...
01/09/2007
7097371Keytop
In a keytop in which a mark indicating a function of the corresponding key switch is printed on the top surface of a keytop body made of a synthetic resin, the mark being a letter, a character, a numeral, a word, a symbol, a sign, a figure, a pattern or the like, or...
08/29/2006
7090368Key for use in low light conditions
A key, which may be used in a user interface, including indicia formed at least in part from UV reactive material. ...
08/15/2006
7083343Keyboard keys using marked elastic domes and fabrication method thereof
Keyboard keys using a marked elastic dome and the fabrication method thereof. The method for fabricating elastic domes first includes providing a mold having a plurality of mold cavities with a markable surface. Next, a plurality of different marks is formed on the ...
08/01/2006
7079049Element for identifying the functions associated with computer keyboard keys
This invention concerns an element for identifying functions associated with the keys of a computer keyboard, characterized by the fact that it features an edging surround (14) in the shape of an elastic band intended to tightly surround the four side faces o...
07/18/2006
7073964Staggered keyboard for a portable device
A staggered keyboard for use with a portable device is provided. The staggered keyboard includes a plurality of keys arranged into a plurality of rows of keys. For each row of keys, the labeling of the keys is arranged in either a linear or an arced relationship dep...
07/11/2006
7040824Gel-cushioned accessory for a keyboard
A cushioning means for placement on a computer keyboard is provided for reducing the discomfort of a typist using a keyboard and to personalize the keyboard for a typist. A pad may be attached or applied to one or more keytops of a conventional keyboard, each pad be...
05/09/2006
6967056Key sheet
A key sheet comprising a key top, a translucent resin film, and a symbol layer. The key top is made of resin and has a top surface and a rear surface. The key top includes a gate corresponding section in a position corresponded to a gate of a mold for injecting resi...
11/22/2005
6883985Printable, reusable key masks
A functional and decorative key mask is disclosed that is printable and has a uniquely functional geometry for easy and clean removable attachment to the keyfaces of a keyboard or keypad. The materials and design combine to provide a durable and reusable key mask. I...
04/26/2005
6805506Keyboard with multiple indicia sets
The present invention discloses a method for displaying individually on a plurality of keys of a keyboard or keypad two or more indicia representing two or more functions performed by each key. The keys are characterized in that each of the two or more indicia is pr...
10/19/2004
6761494Button apparatus with a complex elastic unit
A button apparatus with dual elastic elements includes a base, a key top located above the base, an elevation mechanism, and a complex elastic unit. The elevation mechanism is used to execute lifting and lowering operation between the base and the key top. The compl...
07/13/2004
6658773Label with luminescence inside
A fluorescent label for a computer keyboard key. The label is adhesive backed, having two layers of plastic vinyl such as Mylar and is rectangular and corresponds with the size of the key face and the character or message on the key. A kit is a sheet, hav...
12/09/2003
6419494Error feedback system and method for correcting habitual keyboarding errors
An error feedback system for use in correcting habitual keyboarding errors makes use of a set of markers for the keys that are mis-keyed. Each marker has an indicating side which can be identified by a user by feel and an adhering side which allows the ma...
07/16/2002
6331083Individual key covers for computer keyboards
Key covers for individual keys of a computer keyboard. Each key cover has a colored background and a fluorescent letter corresponding to the letter key to which it is affixed. Each cover is the same size as the key it covers but the letter on each key is ...
12/18/2001
5577849Printing light indicia on keyboard keys
A polyol polyester and hexamethylene diisocyanate in a fluid mixture with white pigment, silicon glycol surfactant and thinner are pad printed on keyboard key to print characters and symbols which require no protective overcoat....
11/26/1996
5290115Cushioning means for keyboard keys
A cushioning apparatus for reducing the impact felt by the fingertips of a typist using a keyboard. A conventional keyboard includes a plurality of keys, each corresponding to at least one character or number, and each having a hard keytop. According to t...
03/01/1994
5183346Keycap overlay snap-on system
A system for converting graphic symbols on a computer data entry keyboard to another set of graphic symbols such as a foreign language or scientific symbols or mathematical notations is disclosed. The system comprises a plurality of individual keycaps, ea...
02/02/1993
4773783Computer keyboard including attitude adjusting mechanism and a strip label
A keyboard has an attitude adjusting mechanism with a shaft extending lengthwise along the rear inside of the case. The shaft allows the legs to be adjusted remotely from the adjusting mechanism. Two legs are mounted on the shaft and extend through holes ...
09/27/1988
4680729Method and apparatus for storing and updating user entered command strings for use with otherwise unassigned softkeys
The assignment of user entered strings to blank softkeys within a node or menu is automatic. As the user enters a command string, the new information is checked against the information on all of the softkeys in the node. If a match is found, and that matc...
07/14/1987
4657419Information carrier, having a roughened surface, method of manufacturing same, and apparatus therefor
An information carrier such as a push-button switch consists of a silicone elastomer. The information carrier has an a label-carrying surface in which there is embedded a printing ink having a vulcanizing mechanism similar to that of the silicone elastome...
04/14/1987
4613247Multiple 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
4602878Ideographic word processor
A keyboard is disclosed for an ideographic language, in particular for Japanese. The disclosed keyboard includes the positioning of up to eight similar descriptors on a single key. Combination of the descriptors to form compound or complex ideograms is ac...
07/29/1986
4512092Replacement labels for keyboard
A keyboard label display replacement system formed of paper strips which are placed on conventional keys arranged in a row and column matrix. Plastic caps cover the keys, and the strips of pre-folded paper are laid on top of the columns of keys to conform...
04/23/1985
4500218Keyboard key with embedded top character
A printing ink is vulcanized on the top surface of an operation indicating member consisting of a silicone-type elastomer and is integrated with the elastomer to form a character of a predetermined shape on the top surface. The printing ink consists essen...
02/19/1985
4480932Keyboard having rotationally positionable indicia for indicating type font in use
A keyboard input device for printers, composing apparatus, or clear text display devices which employ type fonts that can be changed at will, has a group of multiple indicia bearing keys which can be positioned to bring a different set of indicia to a rea...
11/06/1984
4336530Thin keyboard with changeable key indicia
A substantially thin keyboard for use in credit card sized clock calculators or the like includes a rigid plate carrying a plurality of stationary key contacts, a flexible member integral with a plurality of electrically conductive rubber movable contacts...
06/22/1982
4100402Keyboard key with changeable indicia
A key in a keyboard for programmable computers, having its farther end recessed to form a nail-sparing shelf for carrying an exchangable mark or indicia. According to the invention the shelf serves as a seat for a flat and transparent pocket for receiving...
07/11/1978
4039068Keyboard of elastic material for office machines
In an office machine keyboard comprising a layer of elastic material provided with individually depressible reliefs representing the keys, each having a top fingering surface, the characters are composed of a second elastic material moulded in accordance ...
08/02/1977
3964594Keyboard of elastic material for office machines
In an office machine keyboard comprising a plurality of keys formed by an array of areas of layer of elastic material, each key is provided with an identifying character in relief on an insert. The insert is embedded in the elastic layer so that the chara...
06/22/1976
3934246Alphanumeric display means for computer-linked typewriter consoles using light-emitting diodes (LED's) in conjunction with sets of fiber-optic matrix members
The present invention relates to an alphanumeric display unit means for improving the identification quantities at selected key buttons of a computer-linked typewriter console through usage of light-emitting indentification indicia attached adjacent to or...
01/20/1976
3934247Alphanumeric display means for computer-linked typewriter consoles using a matrix array of light-emitting diodes (led's)
The present invention relates to an alphanumeric display unit means for improving the identification quantities at selected key buttons of a computer-linked typewriter console through usage of light-emitting identification indicia attached adjacent to or ...
01/20/1976
 
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