Class / Patent application number | Description | Number of patent applications / Date published |
200517000 | Including additional actuator | 21 |
20090078553 | COSMETIC DOME SWITCH - The systems and methods described herein are directed to a switch for use in an electronic device. The switching assembly may include an elastically deformable actuator having a conductive inner surface and a cosmetic outer surface. The actuator may be disposed on an exterior surface of an enclosure that houses an electric circuit board of the electronic device. The enclosure may have one or more openings for providing an electrical connection between the actuator and the enclosed circuit of the electronic device. When the actuator is pressed, an electrical circuit may be closed and electric current may flow through the conductive inner surface of the actuator. The actuator may be combined with a perimeter element for snapping on and off the enclosure. | 03-26-2009 |
20110011715 | SWITCH MECHANISM AND ELECTRONIC DEVICE - A switch mechanism has improved switch button durability and operational feeling. Constitution and assembly are simplified. A switch mechanism includes a wiring board having first and second electrodes; a switch button; a conductor arranged at a position that corresponds to the first and second electrodes; and a supporting plate, arranged such that the conductor is disposed between the wiring board and the supporting plate and provided with a protruding section at a position that corresponds to the switch button. When the switch button is not depressed, the conductor contacts only the second electrode without contacting the first electrode. When the switch button is depressed, the conductor contacts the first electrode by being supported by the protruding section, the first electrode and the second electrode are electrically connected by the conductor, and the protruding section is displaced in a direction the switch button is depressed, with depressing of the switch button. | 01-20-2011 |
20110079500 | KEYPAD FOR A MOBILE DEVICE - A keypad for a mobile device and a mobile device comprising the keypad, a first housing part and a second housing part are described. | 04-07-2011 |
20110120850 | SWITCH ASSEMBLY CONSTRUCTIONS - Electronic devices are provided with switch assembly input components that can have adhesives adhered to the side and/or bottom surfaces of support plates for retaining switches between the adhesives and the tops of the support plates. The switch assembly input components can include buttons with one or more absorption elements for receiving impact energy, reducing the impact energy, and transferring the reduced impact energy onto the switches. | 05-26-2011 |
20110297525 | DUSTPROOF PRESS KEY STRUCTURE - A press key structure includes a bottom board, an insulating plate, a thin film circuit board, an elastic trigger element, and a keycap covered onto the elastic trigger element, and the insulating plate is installed on the bottom board and includes a penetrating hole, and the thin film circuit board is covered onto the insulating plate, and the thin film circuit board and the bottom board are enclosed to define a containing space at a position corresponding to the penetrating hole, and the thin film circuit board includes a thin film switch disposed above the containing space, and the elastic trigger element is installed above the thin film circuit board, such that external dusts can be prevented from entering into the press key structure from the penetrating hole, and the adverse effect of the dusts on the electric connection and the press path of the press key can be avoided. | 12-08-2011 |
20110303521 | NARROW KEY SWITCH - A narrow key switch for a low travel keyboard and methods of fabrication are described. The low-travel keyboard having narrow keys is suitable for a thin-profile computing device, such as a laptop computer, netbook computer, desktop computer, etc. The keyboard includes a key cap positioned over an elastomeric dome and a two-part scissor mechanism having two separate linkage structures on opposite sides of the dome. A link bar is also provided to transfer a load from a side of a key to the center if the key cap is depressed in an off-center manner. Transferring the load to the center helps to deform the elastomeric dome so that it can activate the switch circuitry of the membrane on printed circuit board underneath the dome. Separating the linkage structures into two separate parts allows for the use of a full-sized elastomeric dome for a narrow key switch. The full-sized dome provides the desired tactile feedback to a user. Thus, the tactile feel of the key is not compromised even thought the key is narrower than a conventional key. | 12-15-2011 |
20120018292 | Control device for switches with silicone domes - A control device for switches with silicone domes comprising actuator means ( | 01-26-2012 |
20120097515 | PUSH-ON SWITCH HAVING IMPROVED ACTUATOR - A push-on switch includes an insulating housing ( | 04-26-2012 |
20120111713 | 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 attached to the contact switch and a surface of the printed circuit board on which the contact switch is disposed, a folded portion which is extended from the first sheet portion and folded back at an edge surface of the printed circuit board, and a second portion which is extended from the folded portion and attached to a back surface of the surface of the printed circuit board on which the contact switch is disposed, a key module including a key top provided on the sheet opposite to the contact switch, and a pusher which is provided between the key top and the contact switch, and a housing. | 05-10-2012 |
20120222947 | Keypad structure and method of fabricating the same - A keypad structure and method of fabricating the keypad structure are disclosed, in which, an edge of a hollowed pattern of a light-shielding color layer and an edge of a hollowed pattern of a keycap color layer are allowed to be aligned with each other, to prevent the keypad pattern from suffering a halo issue. | 09-06-2012 |
20120312672 | PUSH BUTTON ASSEMBLY AND ELECTRONIC DEVICE HAVING THE SAME - A push button assembly for use in an electronic device includes a plate, a circuit board, an elongated button and an elastic element. The plate is arranged within the electronic device. The circuit board is fixed to the plate. The circuit board includes a switch. The elastic element is fixed to the plate. The elastic element includes an elongated depressible portion arranged between the circuit board and the button. The depressible portion extends along a lengthwise direction of the button and is deformable by depression of elongated button. The disclosure also provides an electronic device having the push button assembly. | 12-13-2012 |
20120318656 | MEMBRANE CIRCUIT BOARD AND LUMINOUS KEYBOARD USING SAME - A membrane circuit board and a luminous keyboard with such a membrane circuit board are provided. The membrane circuit board includes an upper wiring board and a lower wiring board. The upper wiring board has a first film layer and a first circuit pattern formed on a bottom surface of the first film layer. The lower wiring board has a second film layer, a second circuit pattern and a light reflective element arranged between the second film layer and the second circuit pattern. The first circuit pattern has a plurality of upper contact. The second circuit pattern has a plurality of lower contacts corresponding to respective upper contacts. The upper contacts and the corresponding lower contacts are collectively defined as a plurality of membrane switches. Moreover, a refractive index of the light reflective element is lower than a refractive index of the second film layer. | 12-20-2012 |
20130146435 | KEY STRUCTURE OF A KEYBOARD - A key structure of a keyboard includes a base plate, a keycap, and an elastic body sandwiched between the base plate and the keycap. The elastic body has a neck portion. One end of the neck portion is provided with a bowl-shaped support toward the base plate, and the other end of the neck portion extends toward the keycap to form a flange. The outer peripheral dimension of the flange is larger than that of the outer peripheral dimension of the neck portion. With the flange being sandwiched between the keycap and the neck portion, the flange can exert an even force to the neck portion even through the keycap is subjected to an uneven external force, thereby preventing the neck portion from inclining or swaying. Thus, the convenience in using the keyboard and the stability during its operation can be improved greatly. | 06-13-2013 |
20140027259 | 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 downward pressing force is applied to a center of an operation surface of the key top, a bending moment using a connection portion of a substrate side as a fulcrum and a bending moment using the coupling portion of a tip side as a fulcrum act on the arm portion. The arm portion is deformed into a S-shape having bending deformation portions, and therefore the key top may be lowered in a nearly horizontal posture. The key top has a structure in which both side portions thereof are supported by the arm portions, thereby ensuring a small size and a large elevating stroke. | 01-30-2014 |
20140048400 | FLOATING SWITCH ASSEMBLIES AND METHODS FOR MAKING THE SAME - Switch assemblies that mitigate stack up variations and methods of making the same are provided. The stack up variations are mitigated by embodiments that use a floating switch design. The floating switch design may eliminate height variations in the stack up by directly mounting an activation assembly to a support bracket. This ensures that the stack up height of the activation assembly and support bracket remain fixed, independent of a flexible printed circuit board (PCB) that may also be secured to the activation assembly. This way, regardless of the thickness of the flexible PCB and any height variations in solder used to secure the flexible PCB to the activation assembly, the stack up height of the activation assembly and support bracket remains fixed. | 02-20-2014 |
20140138234 | KEY SWITCH DEVICE, AND METHOD OF MANUFACTURING KEY SWITCH DEVICE - A key switch device includes a key top; a link member that guides an elevating operation of the key top while being interlocking with the key top, the link member including a rotatable shaft and a sliding shaft that is connected to the key top; a membrane sheet that includes a contact that opens and closes in accordance with the elevating operation of the key top; a back plate; a housing that holds the rotatable shaft of the link member to the back plate; and a pushing unit that pushes the link member such that the sliding shaft moves away from the back plate. | 05-22-2014 |
20140262719 | 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 disposed on the membrane circuit board and having third holes that are registered with the second holes, a securing frame, and a key cap. The securing frame is disposed on the elastic layer and has securing members, each extending through a registered set of the third, second and first holes and having an abutting portion abutting against a bottom side of the bottom board to secure the elastic layer, the membrane circuit board, and the bottom board together and closing liquid-tightly the third, second, and first holes. | 09-18-2014 |
20140374231 | KEYBOARD DEVICE - The present invention discloses a keyboard device. The keyboard device includes a sheet, a membrane switch, an actuating component, and a protrusion keycap structure. The membrane switch is disposed on a side of the sheet. The actuating component is disposed on a side of the membrane switch far away from the sheet and is for pressing the membrane switch to actuate the membrane switch. The protrusion keycap structure is disposed on a side of the actuating component far away from the membrane switch and is for driving the actuating component to actuate the membrane switch upon being pressed. The protrusion keycap structure includes a mylar film. | 12-25-2014 |
20150008114 | SIGNAL INPUT MODULE AND MOBILE TERMINAL HAVING THE SAME - A signal input module includes: a key body; a key base coupled to a lower portion of the key body, and having fixing portions of different heights at both sides thereof; a flexible printed circuit board disposed such that an upper surface thereof is covered by the key base, and having a dome portion on a rear surface thereof, the dome portion configured to generate a signal when pressed by the key base; and a light emitting portion formed on one surface of the flexible printed circuit board, wherein the fixing portion and the key base are connected to each other by a connection portion, wherein the connection portion is bent from one end of the key base, extends toward the fixing portion, wherein the connection portion is provided with a hole, and wherein the flexible printed circuit board is disposed to cross the hole. Under such configuration, the number of components can be reduced and the signal input module can have a slim configuration. | 01-08-2015 |
20150014140 | THIN KEY STRUCTURE AND PRESSABLE MODULE THEREOF - A thin key structure includes a circuit module, a frame having has a retaining portion, an elastic member disposed on the circuit module and arranged in the frame, and a pressable module having a positioning sheet and a key. The positioning sheet has an assembling portion installed on the frame, a connecting portion, and an extending portion connecting there-between. The key has a key body fixed on the connecting portion and a stopping portion extended from the key body. The key body has a concaving portion aligning the extending portion. The stopping portion is movably arranged in the retaining portion. When non-center portion of the key body is pressed, part of the stopping portion, away from the pressed portion of the key body, abuts against the corresponding retaining potion for being a fulcrum, such that the pressed portion of the key body rotates to press the elastic member. | 01-15-2015 |
20160104587 | PUSH SWITCH - Provided is a push switch which has less variations in load characteristic and operation life among products and the deformation of a press member is kept small. The push switch includes a case including a recess, first and second fixed contact points arranged on a bottom surface defining the recess, a bulging dome-shaped movable member placed on the bottom surface so that an end portion thereof is in contact with the first fixed contact point, the movable member electrically connecting the first and second fixed contact points when the dome configuration is inverted by pressing, a protective sheet covering the recess, and a press member clamped between the protective sheet and the movable member, pressing the movable member and including a top surface which is in contact with the protective sheet, and a flat bottom surface which is smaller than the top surface and is in contact with the movable member. | 04-14-2016 |