| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 200513000 | Specific dome shape | 24 |
| 20090152090 | MOVABLE CONTACT UNIT AND METHOD OF MANUFACTURING THE SAME - Disclosed is movable contact unit | 06-18-2009 |
| 20090183977 | DOME CONTACT USED IN PUSHBUTTON SWITCH AND METHOD FOR FABRICATING SAME - A dome contact ( | 07-23-2009 |
| 20090283394 | Contact holding sheet provided with a light guide - There is provided a contact holding sheet provided with a light guide without using a holding sheet provided with protrusions made of resin, and dispensing with a protrusion fabrication process, thereby reducing cost, and enabling the contact holding sheet provided with a light guide to be thinned without forming the protrusions on the holding sheet. The contact holding sheet provided with a light guide comprises a holding sheet opposed to a substrate, fixed contacts provided on the substrate, dome-shaped movable contacts attached to a pressure sensitive adhesive surface of the holding sheet facing the substrate and opposed to fixed contacts of the substrate, wherein protrusions are formed at the central positions of the movable contacts, and positioned inside holes for protrusions formed on the holding sheet, and wherein the holding sheet and a light guide film are integrated with adhesion in a state where the light guide film is laid on the upper portions of the protrusions. | 11-19-2009 |
| 20090308725 | PUSH SWITCH - A push switch includes an upper movable contact, a lower movable contact, a center fixed contact, an intermediate fixed contact, and a peripheral fixed contact. The lower movable contact includes an annular portion, and four legs extending from the annular portion. One of the four legs is placed on a peripheral fixed contact. The upper movable contact faces the center fixed contact via a circular hole in the annular portion of the lower movable contact by a space between the upper movable contact and the center fixed contact. Two legs out of the four legs are located away from each other by an angular interval smaller than 90 degrees with respect to the center of the annular portion. Upon being pressed, the actuator activates two combinations of switch contacts, one combination of the movable contacts and the intermediate fixed contact and the other combination of the movable contacts and the center fixed contact, providing the push switch with a small size. | 12-17-2009 |
| 20100032276 | KEY SHEET - Provided is a key sheet which can effect reliable fixation inside a casing without occupying a large space, and includes key tops having large operating surfaces. A sheet surface of a base sheet is set substantially the same in size as a projection surface in a depressing direction of a key top group, and a frame-shaped elastic fixation portion is formed at an outer edge of the base sheet. Thus, a mounting space for a key sheet inside a casing can be contained within a range of the projection surface in the depressing direction of the key top group, and the key sheet can be firmly fixed to a circuit board. The key top group is the same in size as the base sheet. Thus, the key sheet including key tops having large operating surfaces can be realized. | 02-11-2010 |
| 20100032277 | PUSH-TYPE SWITCH DEVICE - Provided is a push-type switch device including: a switch element in which a dome-shaped reversing spring is accommodated in a switch casing; a holder which is mounted to the outside portion of the switch casing so as to define a position relative to the switch casing and has a perforation hole formed at a position adjacent to a center portion of the reversing spring so as to face the center portion; and a driving protrusion which is inserted through the perforation hole so as to reciprocate and is driven to push the reversing spring, wherein when the holder mounted on an upper portion of the switch casing is attached to a predetermined position of the interconnection substrate, the switch casing is held in the interconnection substrate. | 02-11-2010 |
| 20100126841 | Dome sheet unit and membrane switch having the same - A membrane switch can attach an elastically deformable dome to a board in a reliable manner such that the dome is not detached even if a fixing sheet is made thinner and smaller and therefore has a smaller footprint. This switch has: a dome ( | 05-27-2010 |
| 20110031099 | DOME SHAPED SPRING AND SWITCH - Disclosed is a dome shaped spring including: a dome shaped spring section in which buckling occurs by pushing, wherein at least a portion of a neutral face of a movable portion when buckling of the dome shaped spring section occurs is an aspherical shape. | 02-10-2011 |
| 20110214977 | SNORKEL FOR VENTING A DOME SWITCH - To prevent debris from entering the volume between a dome and contacts of a dome switch, a dome can include a channel providing a remote path through which air can be vented. In particular, the channel can extend from the dome to a location within an electronic device that is known to be or expected to be contaminant free (e.g., a region of the device that does not include any interfaces communicating with the device environment). The channel can be defined from components of the dome switch including, for example, as a channel bound by spacer walls between a flex circuit and a film layer. The channel can include an opening for venting the dome switch. In some embodiments, the dome switch can include a protective film applied over the opening in the channel. The protective film can be selected to allow air to flow through, but to prevent contaminants or particles from reaching the channel opening. | 09-08-2011 |
| 20110278148 | METAL DOME SWITCH FOR KEYPAD - Disclosed is a metal dome switch for a keypad capable of maintaining click sensitivity in an optimal state upon a push operation of a key button by forming a large height of an uplift part while maintaining structural strength of the uplift part, and increasing a height of a pressure concentration projection projecting upward from an apex of a dome-shaped metal plate while minimizing deformation in outer appearance and dimension of the metal dome switch, when the pressure concentration projection is press formed through a press forming process such as a bending process or a half-blanking process. | 11-17-2011 |
| 20120061226 | SWITCH DEVICE AND ELECTRONIC APPARATUS - A switch device includes: a circuit board provided with a fixed contact; a deformable contact arranged above the circuit board, and configured to deform and come into contact with the fixed contact in response to pressure from above; a switch holding sheet covering a surface of the circuit board provided with the deformable contact, and configured to retain the deformable contact on the circuit board; a light-guide sheet placed over the switch holding sheet, and allowing light to pass through its inside; a light-emitting diode configured to cause the light to fall incident and enter the inside of the light-guide sheet; and a protrusion forming a gap between the switch holding sheet and the light-guide sheet in a position corresponding to the deformable contact. | 03-15-2012 |
| 20120080301 | CONTAMINENT RESISTANT MEMBRANE IN A DOME SWITCH AND METHODS FOR MAKING THE SAME - A dome switch can include a dome mounted to a circuit board and secured by a sheet constructed from a material that is impermeable to air. To allow air enclosed by a volume between the dome and the circuit board to be expelled when the dome is depressed, the sheet can include at least one venting hole through which air can flow to the environment of the switch. To prevent contaminants from accessing the volume between the dome and the circuit board through the at least one venting hole, the dome switch can include a membrane positioned over the venting hole. The membrane can be constructed from a material that is permeable to air, but impermeable to contaminants. In some cases, the membrane can be constructed from a mesh material. | 04-05-2012 |
| 20120145526 | MOVABLE CONTACT FOR SWITCHING - The invention prevents a dome-shaped movable contact for switching from being deformed beyond necessity, and also prevents a contactor from being poorly recovered in advance. The movable contact for switching comprises a reversely recoverable contactor formed by curving an electrically conductive leaf material into a dome-like shape while forming a bulge at the center of a convex surface of the contactor, the bulge protruding toward a dome-shaped convex side, a plurality of contact points formed by forming small projections concentrically positioned around the bulge, on a concave surface of the contactor, the small projections protruding toward a dome-shaped concave side, and a recess for use in prevention of deformation, on a convex side face of the bulge, formed by depressing a part of the circumference of the bulge, on a straight line connecting the center of the bulge with each of the contact points, toward the center. | 06-14-2012 |
| 20120160655 | Switch Device - A switch device includes a base board having a face on which a fixed contact is provided and an elastic sheet that covers the face of the base board. The elastic sheet includes a contact dome part that covers the fixed contact to form a contact chamber, a movable contact that is provided on the contact dome part, a first recessed part that forms an air accumulating chamber, a second recessed part that forms a foreign material accumulating chamber, a guide groove that has a straight part and a circular arc part to form a guide passage for communicating the air accumulating chamber with the foreign material accumulating chamber, a nonreturn part provided inside the circular arc part, and a vent groove connected to the contact dome part and the guide groove to form a vent passage for communicating the contact chamber with the guide passage. | 06-28-2012 |
| 20120186965 | Touch-Sensitive Switch - The invention relates to a touch-sensitive switch, characterized in that it includes at least one dome ( | 07-26-2012 |
| 20130015048 | SWITCH PACKING AND ELECTRONIC KEY USING THE SAMEAANM SENZAKI; DaisukeAACI AichiAACO JPAAGP SENZAKI; Daisuke Aichi JP - A switch packing includes a switch mechanism part disposed between an operation button and a switch element, and configured to be elastically deformed by pushing the operation button so as to have the switch element change to a first state and provide an operational feeling via the operation button, and a sealing part configured to prevent penetration of a liquid. The switch mechanism part and the sealing part are integrated with each other. | 01-17-2013 |
| 20130118879 | COMPACT INPUT DEVICE - Compact input devices formed on flexible substrates are disclosed. The input devices may be formed using three or more conducting layers. By including three or more conducting layers, the diameter of the input device may be minimized. In addition, to improve the flexibility of portions of the input device mounted, some portions of the input device may be made to have fewer layers than other portions of the input device. | 05-16-2013 |
| 20140001022 | BUTTON STRUCTURES FOR ELECTRONIC DEVICES | 01-02-2014 |
| 20140076704 | KEYPAD APPARATUS FOR USE WITH ELECTRONIC DEVICES AND RELATED METHODS - A keypad apparatus and related methods are disclosed herein. An example keypad apparatus includes an electrical switch and a carrier composed of a plastic resin. The carrier has conductive traces printed thereon to couple the electrical switch to a circuit board via interference. | 03-20-2014 |
| 20140090967 | TWO-STEP SWITCH | 04-03-2014 |
| 20140110237 | PUSH SWITCH - A push switch comprises a first stationary contact, a second stationary contact disposed apart from the first stationary contact, and a movable contact unit confronting the first stationary contact with a space therebetween. The movable contact unit includes a center portion and a surrounding portion, the center portion has a dome-like shape, and the surrounding portion is formed in a peripheral region of the center portion. | 04-24-2014 |
| 20140116867 | LOW TRAVEL DOME AND SYSTEMS FOR USING THE SAME - A low travel dome and systems for using the same are disclosed. A low travel switch may include a key cap and an elastomeric dome that may be configured to provide a predefined tactile feedback over a predefined travel amount of the key. | 05-01-2014 |
| 20140346025 | LOW TRAVEL SWITCH ASSEMBLY - A low travel switch assembly and systems and methods for using the same are disclosed. The low travel dome may include a domed surface having upper and lower portions, and a set of tuning members integrated within the domed surface between the upper and lower portions. The tuning members may be operative to control a force-displacement curve characteristic of the low travel dome. | 11-27-2014 |
| 20150348726 | LOW TRAVEL SWITCH ASSEMBLY - A key of a keyboard and a low travel dome switch utilized in the key. The key may comprise a key cap, and a low travel dome positioned beneath the key cap, and operative to collapse when a force is exerted on the low travel dome by the key cap. The low travel dome may comprise a top portion, and a group of arms extending from the top portion to a perimeter of the low travel dome and at least partially defining a tuning member located between two of the group of arms. The low travel dome may also comprise a group of elongated protrusions. Each of the group of elongated protrusions may extend from one of the top portion, or one of the group of arms. At least one of the group of elongated protrusions may extend into the tuning member. | 12-03-2015 |
