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US20110108401 KEY SWITCH STRUCTURE  
A key switch structure is provided whose waterproofing property is improved without affecting a contact of a membrane sheet. The upper surfaces of the membrane sheet, the embossed part and the...
US20130192961 LIGHTED HEADGEAR AND ACCESSORIES THEREFOR  
There is provided lighted headgear having various configurations, components thereof, other accessories combined therewith.
US20110036701 CLOSED-AIR CUSHIONED KEY SWITCH STRUCTURE  
A closed-air cushioned key switch structure includes an electrical board having multiple contacts, and multiple key switch bodies arranged above the contacts of the electrical board, each key...
US20130056344 ELECTRIC CIRCUIT BREAKER WITH PYROTECHNIC ACTUATION  
An electric switch constituting a circuit breaker in particular, wherein a conductive blade is broken by the tripping of a pyrotechnically actuated gas generator. According to the invention, a...
US20110284354 KEY ILLUMINATION SWITCH MODULE AND LIGHT GUIDE SHEET  
A key illumination switch module has a cover sheet that includes an adhesive layer in a rear surface thereof, a dome-shaped contact spring whose apex portion is bonded to a rear surface of the...
US20110155551 KEYBOARD STRUCTURE  
There is provided a keyboard structure capable of preventing a fingernail of a user from being inserted between key tops and achieving uniform illumination without illumination leakage. A key top...
US20120199458 KEY SWITCH DEVICE AND KEYBOARD  
A key switch device including a key top; a pair of link members connected to the key top and interlocked with each other to guide a vertical motion of the key top; a switch mechanism including a...
US20130220780 UNIVERSAL ELECTRICAL CIRCUIT BREAKER LOCKING DEVICE  
A universal breaker lock device for a switch handle includes a channel adapted to accommodate the switch handle. The channel includes a base wall, first and second side walls that extend generally...
US20100294631 LEVER SWITCH FOR SAFE BREAKING OF A CIRCUIT OF AN EXERCISE APPARATUS  
A lever switch for safe breaking of a circuit of an exercise apparatus includes two conductive copper pieces spaced apart and stably received within a housing by means of elastic pieces. A...
US20130168219 RUBBER KEY  
A rubber key comprising: a key top portion having a rectangular shape in planar view; a skirt portion formed along a perimeter of the key top portion; and a contact portion projecting within the...
US20110162944 ILLUMINATED LAPTOP KEYBOARD WITH UNIFORM ILLUMINATION  
A laptop keyboard in one embodiment includes a rectangular key printing film formed of an optically transmissive material and comprising keys; a rectangular luminescent sheet formed of optically...
US20130146434 KEY SWITCH DEVICE  
One aspect provides a key switch device including: a base plate; a sheet laminated on the base plate; a key top disposed above the sheet; and an elastic dome that is disposed between the sheet and...
US20140262719 KEY STRUCTURE  
A key structure includes a bottom board having first holes, a membrane circuit board disposed on the bottom board and having second holes that are registered with the first holes, an elastic layer...
US20120181155 ELECTRONIC APPARATUS  
Key impact noise produced during data entry operations is abated with a configuration in which the deformable portion of the resilient member can abut the bottom surface of the key top and a gap is...
US20140014488 BACK LIGHTED MEMBRANE KEYBOARD WITH PARTS BEING SECURED TOGETHER BY SUBJECTING TO ULTRASONIC WELDING  
A membrane keyboard is provided with transparent keys each including a bottom key shaft; a key housing including openings for receiving the keys, and downward extending stems; a membrane circuit...
US20100307903 Keyboard with an Octagonal Guide for a Key  
A key module for a keyboard includes a key having a guiding plunger, and a key housing having a set of walls with an opening formed by the set of walls. The opening formed by the set of walls is...
US20130140162 Key Structure for Keyboards  
An improved key structure, for keyboards, comprises a keycap and a scissor-like assembly disposed above a bottom plate. A membrane sheet containing an electrical circuit is placed on the bottom...
US20120160656 KEYBOARD WITH ECCENTRICAL TRIGGERING MECHANISM  
In a cantilever keycap of a keyboard, an elastic piece, which is used for providing the click sense and a restoring force for the keycap, is disposed under an extension section, or the intersection...
US20120111713 PORTABLE ELECTRONIC DEVICE AND PRINTED CIRCUIT BOARD MODULE  
A portable electronic device includes a printed circuit board module including a printed circuit board, a contact switch disposed on the printed circuit board, and a sheet having a first portion...
US20120097511 LIGHTED KEYBOARD  
A lighted keyboard includes transparent, rectangular keys each comprising a bottom stem; scissors shaped structures disposed under the keys, each scissors shaped structure being aligned with the...
US20110278145 KEY SHEET, LIGHTPROOF LIGHT GUIDING SHEET, PUSHBUTTON SWITCH, AND METHOD OF MANUFACTURING KEY SHEET  
The present invention provides technology that can efficiently guide light to the interior of a key sheet and prevents light from leaking from the circumferences of key tops. A key sheet has a...
US20110203913 KEYBOARD DOME STIFFENER ASSEMBLY  
A keyboard dome stiffener assembly includes a circuit board having a plurality of dome pads that each defines a venting aperture, a dome sheet disposed over the circuit board, and a stiffener...
US20110147189 Printed Circuit Board for a Mobile Device  
A printed circuit board is provided for use in a keyboard assembly of a mobile device having a plurality of keys in a key layout. The printed circuit board has a plurality of contacts, such as dome...
US20120318655 KEYPAD ASSEMBLY FOR ELECTRONIC DEVICES  
A key pad assembly includes a keypad and a shading sheet. The keypad includes a board and a plurality of supporting portions formed on and protruding from the board, each supporting portion has an...
US20110120846 BREAKER  
A breaker includes a contact unit provided in an airtight container. The contact unit has fixed contact points and a movable contact point which selectively contacts with the fixed contact points....
US20140190809 AUXILIARY KEYBOARD AND AUXILIARY INPUT DEVICE  
An auxiliary keyboard comprises an insulating board and a plurality of conductive keys. The insulating board has a sheet having a plurality of portions respectively defining a plurality of thru...
US20120285811 KEY SWITCH STRUCTURE  
There is provided a key switch structure including: a plate shaped key top; a link mechanism supporting the key top such that the key top can be depressed; a membrane sheet comprising a contact...
US20140299454 MULTI-CHAMBER KEYS  
A device comprises a key containing an upper closed chamber with a first gel and a lower closed chamber with a second gel. The key contains a divider portion interposedly common to the upper...
US20110024276 KEYBOARD ASSEMBLY FOR A MOBILE DEVICE  
A keyboard assembly for a mobile device having a housing, including a circuit board provided within the housing and having a plurality of contact assemblies thereon, a keyboard having a plurality...
US20100300858 Key structure  
A key structure has a fixing base. The fixing base includes a fixing board, and a plurality of platforms extending upwards from a top of the fixing board and spaced away from each other. Each of...
US20110147180 ILLUMINATED KEYBOARD  
An illuminated keyboard comprises a frame plate, a character keycap, a light source, a membrane plate, a switch circuit plate and a base plate. The character keycap is connected with the frame...
US20110168537 KEY SWITCH STRUCTURE  
A key switch structure capable of reducing the height of a key switch, reducing the number of components, and reducing manufacturing costs. The key switch structure includes: a key top; first and...
US20110120848 LUMINOUS KEYBOARD  
A luminous keyboard includes plural keycaps, a membrane circuit board, at least one light-emitting element, and a lower cover. The plural keycaps, the membrane circuit board and the light-emitting...
US20140151212 KEYBOARD  
A keyboard includes a non-conductive board, a plurality of keyswitches, and a capacitive touch sensing sheet. The plurality of keyswitches is disposed on the non-conductive board. Each keyswitch...
US20140124349 POWER WINDOW SWITCH  
A power window switch includes: an upper case including a plurality of openings; a plurality of operation portions which are respectively positioned in the openings and are supported to be...
US20110073449 KEYBOARD  
A keyboard includes a keypad portion, a base board, an illuminating device, and a circuit board. The keypad portion is mounted to the base board. The illuminating device is electrically connected...
US20120152715 LUMINOUS KEYBOARD  
The present invention discloses a luminous keyboard. The luminous keyboard includes an illumination element, a membrane circuit board, and a plurality of keys. The membrane circuit board includes...
US20120298496 PRESS KEY AND KEYBOARD  
A press key includes: a keycap made of metal; a base board; a circuit board disposed on the base board; an insulating film disposed on the circuit board; and an elastic member disposed between the...
US20100163388 KEY SHEET AND KEY UNIT HAVING THE SAME  
Regarding a key sheet having a plurality of key tops provided at a key base made of a transparent or translucent resin, and a key unit using the key sheet, in order to make the key sheet thinner...
US20120152709 KEY DEVICE FOR ELECTRONIC APPARATUS  
An exemplary key device includes a circuit board, a frame, a cap, a partition board and two protrusions. The circuit board has two contacts thereon. The cap is configured on the frame and includes...
US20140166448 CIRCUIT BREAKER AND HANDLE LOCKING DEVICE THEREOF  
Disclosed is a handle locking device including a first frame, a first hook and a second frame, wherein a second hook is provided on the first frame. The first and second hooks are rotatably...
US20140027259 KEY INPUT DEVICE  
A tip of a pair of arm portions that integrally extends from a fixed portion and both side portions of a front portion side of a key top are connected with each other in a coupling portion. When a...
US20130134021 LUMINOUS KEYBOARD  
A luminous keyboard includes a light-emitting element, a membrane circuit member, a key base plate, and plural keys. The membrane circuit member includes an upper wiring board and a lower wiring...
US20100122898 KEY BASE AND KEY SEAT  
There are disclosed a key base and a key sheet which are established as products even in a case where a key base main body has a flexible and elastic sheet and a presser layer is formed of...
US20130163165 GAS-INSULATED SWITCHGEAR  
A gas-insulated switchgear assembly is provided that includes a housing having an interior containing insulating gas. A disconnector is disposed in the housing and includes a movable contact, as...
US20110005909 THIN KEY STRUCTURE FOR KEYBOARDS/KEYPADS  
A thin key structure includes a keycap, a key body, an elastic piece and a base. The keycap has a first side wall. The key body has a second side wall forming a hollow chamber in which the keycap...
US20130153386 ELECTRONIC DEVICE WITH KEYPAD ASSEMBLY  
A keypad assembly is attached to a housing of an electronic device. The housing defines a plurality of key holes, the keypad assembly including an elastic sheet and a number of key caps. The...
US20140027253 ELECTRIC MACHINE-TOOL COMPRISING A LOCKABLE ROCKER SWITCH  
An electric machine-tool includes an anti-vibration handle casing. A mechanical actuating device and a locking device configured to lock the mechanical actuating device in at least one operating...
US20130118875 Touch Panel  
The Present Disclosure provides a touch panel, which consists of a main panel and a light-emitting touch module mounted under the main panel. The light-emitting touch module consists of a first...
US20120305376 PRESS KEY  
A press key includes: a circuit module; a keycap disposed above the circuit module; and an elastic member disposed between the circuit module and the keycap, and including a bowl portion and a leg...