155results about "Venting" patented technology

Sensor fusion algorithm techniques are described. In one or more embodiments, behaviors of a host device and accessory devices are controlled based upon an orientation of the host device and accessory devices, relative to one another. A combined spatial position and/or orientation for the host device may be obtained based on raw measurements that are obtained from at least two different types of sensors. In addition, a spatial position and/or orientation for an accessory device is ascertained using one or more sensors of the accessory device. An orientation (or position) of the accessory device relative to the host computing device may then be computed based on the combined spatial position/orientation for the host computing device and the ascertained spatial position/orientation for the accessory device. The relative orientation that is computed may then be used in various ways to control behaviors of the host computing device and/or accessory device.

The sheet with movable contacts comprises a first sheet formed by an insulating film, the first sheet having a plurality of receptacle holes and with adhesives applied respectively to both sides of the first sheet; a plurality of domed, metallic, movable contacts respectively received in the receptacle holes and having central small holes; and a second sheet formed by an insulating film and affixed onto the first sheet so as to cover upper surfaces of the plural movable contacts, wherein the first sheet has connecting slots formed therein for connecting adjacent such receptacle holes with each other, and each of the receptacle holes is larger than each of the small holes formed in the movable contacts and smaller than an external form of each of the movable contacts.

A key activation system for use in a handheld communication device is provided. The system comprises an activation mechanism associated with a key in the system, a first feedback system and a second feedback system. The activation mechanism is associated with the key activation system and provides a first feedback sense when the activation mechanism has triggered the first activation condition. The second feedback system provides a second feedback sense indicating when the key triggers the second activation condition. In the system, the second feedback system operates independently from the activation mechanism and the first activation condition is triggered before the second activation condition when the activation mechanism is initially engaged. An activation mechanism may be centrally located for a set of keys.

An input device for an electronic system includes a force sensor having conductive interdigitated traces on a bottom substrate and a flexible substrate spaced apart from the bottom substrate. The flexible substrate has a resistive layer deposited on a bottom side facing the interdigitated traces. A snap dome is positioned over a portion of the force sensor flexible substrate. A flexible keymat membrane is positioned over the force sensor and the snap dome. The keymat membrane bottom surface faces the force sensor flexible substrate. The keymat membrane bottom surface has a protruding region surrounding the snap dome and spaced above the force sensor flexible substrate. A center keycap on the keymat membrane top surface is positioned over the snap dome. A surrounding keycap on the keymat membrane encloses the center keycap and is positioned over the keymat membrane protruding region.

A dome sheet, a key pad and a method of manufacturing a dome sheet are disclosed. The key pad comprises a dome sheet with a top sheet, a bottom sheet and a dome. The dome sheet forms a switch arrangement when mounted to a contact layer.

A keyboard switch with an internal air escape network, such as a series of channels or through holes, for containing air or fluid escaping from the switching cavities when a key is depressed.

A compact, thinned and water-tightened combined switch, is structured by a single switch comprising a front sheet having a domed projection which can be reversed to the back side and is provided at the back side with an electrode, an electric circuit body having an electric contact to contact with the electrode and a domed convex portion provided in the vicinity of the center of the domed projection. In operation process, firstly the projection is reversed and an electrode provided near the periphery of the convex portion contacts with the electric contact on the electric circuit body and secondly an electrode provided in the vicinity of the center of the domed convex portion contacts with the electric contact on the electric circuit body.

The sheet with movable contacts comprises a first sheet formed by an insulating film, the first sheet having an adhesive surface formed by applying an adhesive to a lower surface of the first sheet, a plurality of domed, metallic, movable contacts whose upper surfaces are covered with and affixed to the adhesive surface of the first sheet, and a second sheet formed by an insulating film, the second sheet being affixed to the lower surface of the first sheet and having a plurality of receptacle holes for receiving the movable contacts therein, with an adhesive being applied to a lower surface of the second sheet, wherein the second sheet has connecting slots formed therein for connecting adjacent such receptacle holes with each other.

In a metal dome sheet to be hermetically adhered to a plurality of metal domes disposed at electrodes on a substrate and to other portions of the substrate via an adhesive layer, the present invention provides an adhesive layer removed portion at a portion of the adhesive layer between at least two adjacent metal domes as an air escape portion. Accordingly, it is possible to obtain a thin and light switch panel, which is also excellent in water resistance and dust resistance.

The keysheet module has a flexible printed circuit board formed with dome-shaped depression switches on the upper surface thereof. Each of the depression switches comprises a first fixed contact, a second fixed contact surrounding the first fixed contact, a movable contact arranged over these fixed contacts to electrically connect and disconnect the first fixed contact and the second fixed contact, and a switch holding sheet arranged on the flexible printed circuit board to cover and hold the movable contact. An insulating film of an insulating paste is formed on the flexible printed circuit board in such a way that it has air holes formed therein to release air trapped in the movable contact. The switch holding sheet is arranged over the insulating film.

Described is a keypad and its method of manufacture. In one embodiment, a keypad is provided that includes a substrate having a plurality of donut-shaped recesses located at each site of a button for inputting user information, a plurality of cushions each filled with an incompressible fluid (e.g., water), a flex circuit layer, a plurality of metal membranes and an over-molded thermoplastic elastomer layer. During the over-molding of the thermoplastic elastomer layer, the plurality of cushions filled with an incompressible fluid prevents collapse of the space between the flex circuit layer and the plurality of metal membranes. After the layers of the keypad are assembled, the incompressible fluid is removed which leaves a space between the flex circuit layer and the plurality of metal membranes.

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.

There is provided a switch having a flexible upper member, that is substantially electrically non-conductive, having an inner surface with an upper contact area that is electrically conductive and connected to a circuit, and a lower member that is substantially electrically non-conductive, having an inner surface with a lower contact area that is electrically conductive and connected to the circuit, wherein the upper member and the lower member are sealingly connected to form a chamber therebetween, the upper contact area and the lower contact area are separated by at least a portion of the chamber and a force applied to the upper member causes the upper contact area and the lower contact area to make contact and close the switch of the circuit.

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.

An electronic device including a main body, a supporting layer and at least one press element is provided. The main body has an inner space. The supporting layer is disposed on the main body and covers the inner space, wherein the supporting layer has at least one first opening The press element is disposed on the supporting layer and has a chamber and at least one second opening, wherein the first opening and the second opening are connected to the chamber. When the press element is pressed and elastically deformed, air inside the chamber flows to the inner space through the first opening. When the press element is stopped being pressed and restored, air outside the chamber flows to inside the chamber through the second opening. In addition, a heat dissipation method adapted to the electronic device is also provided.

A key structure is provided. The present key structure includes a key cap, a scissor-type frame, an elastic contact body, a membrane circuit board, and a bottom board. A plurality of flanges is provided on the bottom of the elastic contact body, with the surface of the flange being formed as an embossed surface having a cross-striped structure. A print layer is provided on the area of the membrane circuit board corresponding to the flanges of the bottom of the elastic contact body, such that there is a height difference between the print layer and the membrane circuit board. The print layer is formed of a plurality of discontinuous printing portions between which a plurality of holes is formed. After the elastic contact body is bonded to the membrane circuit board by an adhesive, the press force of the elastic contact body caused by pressing the key can be released via the holes. The bonding area of the bottom of the elastic contact body is increased by the cross-striped structure of the embossed surface so as to enhance bonding between the elastic contact body and the membrane circuit board and prevent the adhesive from being extruded out from therebetween.

This application relates to various button related embodiments for use with a portable electronic device. In some embodiments, a snap clip can be integrated with a button bracket to save space where two separate brackets would take up too much space in the portable electronic device. In other embodiments, a tactile switch can be waterproofed by welding a polymeric layer atop a tactile switch assembly. In this way water can be prevented from contacting moisture sensitive components of the tactile switch assembly. The weld joining the polymeric layer to the tactile switch can include at least one gap to trapped gas surrounding the tactile switch assembly to enter and exit during heat excursions caused by various operating and/or assembly operations.