1284results about "Contact surface shape/structure" patented technology

A mechanical force switch to be disposed along a longitudinal device axis of a medical device includes an electrically conductive switching piston to form a first electrical contact of the switch, a hollow body, an end stop, a bias device, and an electrically conductive second contact of the switch electrically insulated from the piston. The piston is movably disposed in the body hollow along the axis to define different switch-making and -breaking positions. The piston is also movably disposed in a cavity of the stop and the stop is disposed in the body. The stop can be a smooth or threaded puck. The bias device surrounds the piston and imparts bias against it to retain it in one of the two positions until an external axis force overcomes the bias, at which time the switch indicates a state changeover. The switch can be normally open or closed.

A simulator facilitating virtual welding activity. The simulator may include a logic processor based subsystem operable to generate an interactive welding environment in virtual reality space that emulates welding activity by simulating a virtual weld puddle having dynamic, real time molten metal fluidity and heat dissipation characteristics, responsive to performing a simulated welding activity in real time. The simulator may include a foot pedal device in operative communication with the logic processor based subsystem and configured to affect a characteristic of the virtual weld puddle in real time, responsive to user control of the foot pedal device. The simulator may be configured to track the movements of a mock welding tool and a mock filler wire and determine interaction between the virtual weld puddle, a corresponding virtual welding tool, and a corresponding filler wire in virtual reality space that would result in the welding tool becoming contaminated.

A pressure activated switching device includes a first conductive layer, a second conductive layer spaced apart from the first conductive layer so as to define a planar space therebetween, and a standoff layer of electrically insulative material positioned between the first and second conductive layers. The standoff layer includes at least one opening for permitting movement therethrough of one or the other of said first and second conductive layers for the purpose of making electrical contact between them. The opening is defined by an interior edge of the standoff which laterally circumscribes an interior space, the opening including at least one linear, finger-like projection extending laterally from the interior edge into the interior space. Optionally, the switching device can include a piezoresistive material positioned between a conductive layer and the standoff. The pressure activated switching device can be used, for example, in a safety sensing edge system for a movable door.

A transparent conductive film comprising a polymer film and a transparent conductive layer provided thereon, especially a transparent conductive film improved in durability and mechanical and electrical properties, a process for the preparation thereof, and a touch panel provided with the transparent conductive film, as well as transparent conductive plate and the process for the preparation thereof. The transparent conductive film comprising a polymer film, an undercoat layer and a transparent conductive layer which are superposed in this order, and the undercoat layer contains a compound having at least one selected from an amino group and a phosphoric acid group.

A keypad assembly utilizes touch-detecting apparatus such as force sensors or touchpad assemblies for registering key presses. In exemplary embodiments, the keypad assembly is suitable for use in electronic devices such as a mobile telephones, calculators, hand-held computers, or the like, having single piece molded housings wherein the keypad assembly is at least partially encapsulated within the housing.

Embodiments include a data input device and a portable electronic device including such a data input device. The data input device may include a key sensing mechanism and a solid material layer provided above the key sensing mechanism. The solid material layer may include a least one cavity that may go through the whole of the solid material layer. The cavity may include an electroactive polymer and two electrodes for providing a key that may be changed in shape based on an applied voltage. One embodiment may also allows the registering of inputs in the key sensing mechanism based on a user pressing down the electroactive polymer on the key sensing mechanism.

A control housing is provided which encases a control board. The housing has a cover and a backing which are fixed together to secure the control board within the housing. The control board includes a plurality of switches, and the housing includes a plurality of corresponding buttons to activate the switches. The cover includes a cover surface having at least one button hole in register with the control board switch; operating insignia integrally formed on the cover surface adjacent the button hole; and a membrane which closes said button hole to form a button surface. The insignia is exposed through the membrane to be exposed and visible. The membrane is fused to the cover, thereby providing a housing which is sealed to substantially prevent gases, liquids or solids from entering the housing.

Disclosed herein is a manipulating apparatus (mobile terminal) including a chassis provided with a manipulating portion (directional manipulating portion) with which an input manipulation is carried out. The manipulating portion includes: a key top exposed to an outside of the chassis through an opening portion, which the chassis has, and a key main body having a base portion on which the key top is formed within the chassis; a circuit board in which a detecting portion (switches) is disposed in a position corresponding to the key top; and a flat plate-shaped elastic body (elastic body) interposed between the key main body and the detecting portion; in which the elastic body is provided integrally with the base portion. According to the manipulating apparatus, not only the soft click feeling can be obtained from the elastic body, but also the manipulating apparatus can be thinned as compared with the case where the existing elastic body (contact rubber) is adopted by adjusting the thickness size each of the elastic body.

A sealed dome switch assembly is provided to allow air to flow between the interior and the exterior of the dome switch during the collapse and recovery of the resilient dome shell. The sealed dome switch assembly comprises at least one vent leading between the interior space and the exterior space of the sealed dome switch, wherein the vent is covered by a membrane that is permeable to air and resilient to liquid (e.g. water) and small particles (e.g. dirt). A vent may also be used to network the interiors of a plurality of sealed dome switches to at least one exterior entranceway that is covered by the membrane.

MEMS Device Having A Trilayered Beam And Related Methods. According to one embodiment, a movable, trilayered microcomponent suspended over a substrate is provided and includes a first electrically conductive layer patterned to define a movable electrode. The first metal layer is separated from the substrate by a gap. The microcomponent further includes a dielectric layer formed on the first metal layer and having an end fixed with respect to the substrate. Furthermore, the microcomponent includes a second electrically conductive layer formed on the dielectric layer and patterned to define an electrode interconnect for electrically communicating with the movable electrode.

A flashlight with unique flashlight electrical connections, including a switch structure featuring a switch requiring a small amount of force, and a short stroke distance to actuate, attached to a member on which a circuit adding additional functions to the flashlight may be located. The member has conductive springs attached to either end that are used to complete the electrical circuit with the battery and the lamp, while their compressive force is absorbed by a housing protecting the switch structure. A conductive strip is used to improve the conductivity of the circuit in a metal flashlight which has been provided with an electrically resistive protective coating.

A keypad (1200) includes a plurality of keys (1202) and a plurality of key dividers (1204-1210) wherein each of the key dividers includes a plurality of raised guide portions (1212-1214) and at least one tactile cue portion (1214) that is interposed between the plurality of raised guide portions (1212-1214). In one example, the keypad (1200) is a bell keypad and is made up of an elastomeric substrate (44) that includes the key dividers (1212-1214), a keypad dome array (48) that supports the silicone substrate (44) and a keypad sheet (36), such as a top sheet of a front assembly, having keypad indicia thereon and slots operatively sized to receive the plurality of key dividers.

A transmissive key sheet using translucent resin, which is capable of effective illumination while ensuring the thinness of the entire key sheet as well as suppressing a decrease in light transmission, input keys using the transmissive key sheet, and electronic equipment with the input keys. A transmissive key sheet of input keys comprises a first key sheet unit and a second key sheet unit, the opposite side of the first key sheet unit from key tops and the opposite side of the second key sheet unit from pressure applicators being bonded together with a translucent adhesive. The key tops made of translucent resin are molded integral with a translucent resin film having letters on its under surface to provide the first key sheet unit. The pressure applicators made of translucent resin are molded integral with a translucent resin film to provide the second key sheet unit. The light from a light source on a substrate illuminates keys so that the letters printed on the under surface of the translucent resin film become visible form outside. The pressing of each key top presses a corresponding key switch through the pressure applicator, and the key switch is concavely curved to make a contact with an electrode on the substrate. Thus, key input is provided.

A touch screen comprising a flexible sheet comprising a substantially planar surface and integral compressible spacer dots formed thereon, where each spacer dot comprises a base cross section in the substantially planar surface of the flexible sheet defined by a first point or set of connected points intersecting an axis in the substantially planar surface, a second opposed point or set of connected points intersecting the axis, and first and second continuous edge segments connecting the first and second points or end points of the first and second sets of points on opposite sides of the axis, wherein the spacer dot has a variable height perpendicular to the substantially planar surface along the axis, and wherein the surface of the spacer dot extending above the base cross section is not equidistant from the mid-point of the axis between the intersections of the first and second points or sets of connected points and the axis.

A push switch which includes a switch case, a first movable contact, and a second movable contact. The switch case has a central fixed contact on an inner bottom face of its recess that has an open top, and a peripheral fixed contact. The first movable contact is curved protruding upward, and has a hole at its center. The first movable contact is disposed over the peripheral fixed contact with a space in between. The second movable contact is curved protruding upward, and is placed on the first movable contact. A pressing force for resiliently inverting the second movable contact is set greater than a pressing force for resiliently inverting the first movable contact; and two tactile feedbacks are produced by pressing from a side of the second movable contact.

A mechanical limiter switch for use in a medical or surgical device has a substantially cylindrically shaped housing with a perimeter and an opening in an axial direction. The housing has a pattern along the perimeter. A spring is mounted in the opening along the axial direction, and is pre-stressed for movement in a radial direction and pre-stressed for movement in the axial direction. The spring has a radial member protruding through the pattern of the housing. A plunger is mounted in the opening along the axial direction, abutting the spring for urging the spring in the axial direction and for moving the member in the pattern along the perimeter. After a pre-determined number of activations of the plunger in the axial direction, the member will come to a terminating position and will either contact a pin to establish electrical continuity or at the terminating position break electrical continuity.

A low travel keyboard and methods of fabrication are described. The low-travel keyboard 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 stacked elastomeric and metal domes. The quick force drop of the metal dome provides the crisp “snappy” feel for the user and the elastomeric dome provides the ability for longer travel than the metal dome alone. The metal dome also activates the switch circuitry of the membrane on printed circuit board. The stacking of the elastomeric metal domes takes advantage of the abrupt force drop in the metal dome buckling and applies it to the elastomeric dome force, making it possible to design a low-travel key while still maintaining or improving the tactile feeling of the key switch.

A pushbutton of a portable apparatus is locked against inward axial movement by engagement with a locking member when the locking member is unthreaded a distance A from the apparatus body and brought into abutment with a fixed stopper member. The pushbutton is released from its locked state when the locking member is threaded into the apparatus body and brought out of abutment with the stopper member and into abutment with the apparatus body. In its unlocked state, a head portion of the pushbutton is axially spaced a distance B from an opposedly facing portion of the locking member, wherein A≦B.

As a key sheet for fixing a base sheet and key tops to be arranged on the base sheet using adhesive layers, a key sheet where the key tops and the base sheet are fixed, is obtained by forming printed adhesive layers of the key tops on facing surfaces of at least either of the key tops or the base sheet by means of printing, and then bringing the printed adhesive layer into contact with the other facing surfaces in a softened or molten state, and by curing the printed adhesive layer.