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7572996 |
Keyswitch structure
The invention discloses a keyswitch, which includes a substrate, a plurality of switches, a keycap, and at least one support. The switches are fixed on the substrate. The keycap thereof defines a...
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7564002 |
Electromechanical device for controlling an image forming apparatus
An electromechanical device including a key top member (i.e., a push button cover device) used in a push button mechanism. The key top member has a main body, a frame surrounding the main body, and...
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7541554 |
Key structure
A key structure comprises a membrane circuit, a substrate, a cover and a press element. The membrane circuit comprises at least one first signal generator and a second signal generator. The...
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7538290 |
Automotive push switch
A groove-like recess, substantially V-shaped, extending vertically is formed on the outer circumference of an operation shaft, and a projection engaging the recess is provided on a guide hole,...
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7498536 |
Key structure of a computer keyboard
A key structure, which comprises a key cap, a linkage mechanism, a fixed base, a resilient assembly and a membrane circuit board, of a computer keyboard is provided, The key cap has a top and a...
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7449651 |
Press key structure
A press key structure is disclosed, which comprises: a keycap, configured with a bottom surface; a substrate; a first movable panel; and a second movable panel; wherein the substrate is arranged at...
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7442894 |
Electrical switch having a variable return force
An electrical switch system may include a contact-bearing support configured to delimit a recess in a substantially horizontal bottom, wherein at least two fixed electrical contacts are positioned...
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7417200 |
Input devices and key structures thereof having resilient mechanisms
Key structures are provided. A key structure comprises a key cap, a substrate, a resilient unit, a first rod and a second rod. The first and second rods connect the substrate and the key cap. When...
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7379720 |
Keypad lighting using polymer light emitting devices
At least one key of a keypad of an electronic device, such as a wireless terminal, includes a polymer light emitting device, also referred to as a polymer LED, thereon. A polymer LED may be on the...
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7351928 |
Key input device
A key input device includes a key input unit and an illuminating unit. The key input unit has a key cap, movable mechanism, pressure sensing part, and a frame housing these components. The...
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7345253 |
Key structures
Key structures are provided. A key structure includes a key cover, a substrate, a slider movable with respect to the substrate, a first rod, a second rod and a resilient member. The first rod...
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7332687 |
Keyboard structure and keyboard assembly method
A keyboard structure including a base, a key-cap, and a linking-up mechanism is provided. The key-cap is disposed on the base, and the linking-up mechanism is connected between the base and the...
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7319202 |
Key switch device
A first bearing member is provided on a key top. A second bearing member is provided on the key top. A first guide member is provided on a board. A second guide member is provided on the board. A...
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7312414 |
Key switch device
A key switch device capable of preventing a key top from displacing in the horizontal direction when the key top is being depressed, and of minimizing wear and damage to the components thereof. A...
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7288733 |
Keyboard apparatus
A keyboard apparatus has a base component arranged under key switches. The base component has an embossed portion. A cooling material is filled into the embossed portion. The embossed portion may...
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7265310 |
Key mechanism
A key mechanism is disclosed. A base plate includes a first pivoting portion and a second pivoting portion opposing the first pivoting portion. A keycap is disposed on the base plate and includes...
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7247807 |
Button having stiffer vertical motion and reduced lateral motion
One embodiment of the invention is a button for engaging an electrical switch comprising: a button post that transmits a vertical motion of the button to the electrical switch, an alignment post...
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7238908 |
Key structure of keyboard
A key mounted in a keyboard includes a key cap including a peg; a base plate including a central first opening a U-shaped first pivot frame including a pivot shaft at its interconnection portion...
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7238907 |
Keyboard with key supporting structure
In a keyboard including a plurality of keys, each key has a key top, a guiding structure that includes linking units pivotally movable in response to vertical motion of the key top, an elastic...
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7176399 |
Safety switch device for electrically controlled machines
The invention relates to a safety switch unit ( 1 ) for electrically controlled machines for use in combination with the actual control elements of the machine control system in a hand-held...
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7173205 |
Electronic device with manual operation button
The invention provides a manual operation button having a large operable area. A manual operation button is composed of a manual operation plane, a holder for assembling the manual operation plane...
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7158808 |
Method of branding the keypad of a wireless device
A method of branding a wireless device, and a wireless device, are provided. The wireless device includes a housing having at least a first wall. The first wall includes a keypad area including a...
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7138587 |
Key switch, keyboard and key-switch assembling jig
A key switch used for a keyboard incorporated as an input device in electronic equipment. The key switch includes a support plate; a key top arranged above the support plate; a pair of link members...
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7129433 |
Button assembly and an electronic device
A button assembly comprises a cylindrical key top ( 132 ) loosely inserted into a hole ( 126 ) formed on a casing ( 10 ). The upper surface of the key top ( 132 ) is a pressed face ( 134 ). The...
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7126071 |
Key and input device containing the key
A key, which is pressed for constituting close circuit, includes a key cap, a movable arm and a bottom plate. A bottom of the key cap is joined to a bend part of the movable arm. A pivot part of...
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7094984 |
Key switch and keyboard input device using the same
A key top of a key switch is formed so as to extend in a horizontal direction, not in a vertical direction. On a rear surface of the key top, a reinforcing member that horizontally extends is...
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7085130 |
Electronic device and button structure
A button structure is disposed on a housing and the housing has at least one opening. The button structure includes at least one button portion and a supporting frame. The button portion has a...
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7067757 |
Multi-tier keypad assembly
A multi-tier keypad includes at least a first circuit board having a first circuit and a second circuit board having a second circuit, wherein the second circuit board is disposed adjacent to the...
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7067754 |
Bezel-button assembly and method
A bezel-button assembly comprising at least one button connected to a bezel. The button is moveable between a first position and at least a second position. An elastic layer connects the bezel to...
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7034718 |
Keyboard with elevated keys
A keyboard with elevated keys for a notebook computer. The keys of the keyboard are elevated when the notebook computer is opened, and can be depressed when the flat display is closed. The keyboard...
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7022927 |
Keyboards with elevated keys
Keyboards with elevated key structures are provided. An exemplary embodiment of a key structure includes a key cap, a substrate, a slider, a resilient member, a first rod and second rod. The slider...
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6984797 |
Push-button switch
A push-button switch has a plunger to be pressed so as to activate its main body supported by a base member. A cap serving as a pressing member is on an outer edge portion of the plunger. The outer...
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6979792 |
Keystroke structure (1)
A keystroke structure (1) comprising a baseplate with insert holes are considerably spaced; the baseplate further comprises a membrane circuit board; an electrically conductive and round in shape...
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6958458 |
Key switch device having high drawability
A key switch device has a cap support that supports a key cap on a base. The cap support includes intersecting first and second frames which are connected pivotally to each other. The first frame...
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6940031 |
Switching device
A switching device in which the intermediate part of shape-memory-alloy wire ( 17 ) is retained by actuator ( 9 ) connected to one end of link mechanism ( 4 ), and both ends of shape-memory-alloy...
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6940030 |
Hinge key switch
An apparatus for a hinged key switch is presented which operates around a hinged pivot point located external to the four points of the key cap, and which comprises a rubber spring providing a...
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6936782 |
Keyboard switch mechanism
The present invention provides a keyboard switch which can reduce the number of assembly processes by decreasing the number of components and which can be easily assembled. First to third link...
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6911613 |
Key switch and keyboard equipped with such key switch
A key switch includes: an outside frame in the shape of a hollow square, a protruded post at each of two ends of a first side of the outside frame, the protruded post being capable of sliding...
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6909062 |
Key-switch device corresponding to miniaturized notebook-size personal computer with reduced-thickness
A key-switch device includes a key-top having retainers formed on the back surface of the key-top, first and second levers disposed under the key-top, each lever including a base-end part and a...
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6876837 |
Portable electronic equipment
A portable electronic equipment is capable of preventing warpage of an internal substrate accommodated therein due to pressing operations of button keys to thereby improve the mechanical strength...
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6864449 |
Keyswitch having bending links
A keyswitch includes an elastic member for elastically biasing a keytop upward, a base for supporting the elastic member, and a switch circuit which includes stationary contacts and a movable...
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6861603 |
Structure of button for electronic product
A structure of button for an electronic product has an upper lid, a chassis having a switch and a parallel bar set, which positioned between the upper lid and the chassis, such that the upper lid...
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6858812 |
Push-button switch
A switch driving portion includes a lever link mechanism which as a pair of lever members respectively rocking about a rocking fulcrum by interlocking with a push button portion when the push...
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6849812 |
Input device
An input device for inputting at least two control commands into an electronic system, having a housing ( 10 ) accommodating a combined switching and encoding circuit device ( 13 ) with a switching...
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6833522 |
Key switch device and method for manufacturing the same
A key switch device includes inner and outer link members connected to each other to mutually move in a scissors fashion, a key top having receiving portions for receiving the support protrusions...
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6815627 |
Keyswitch structure for computer keyboard
A keyswitch structure for computer keyboard includes a keycap, a first lever, a second lever, a base and a balance rod. The base has two holes groove lugs and each lug has a rectangular hole. The...
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6812421 |
Key switch device, keyboard with the key switch device, and electronic device with the keyboard
A key switch device, wherein the second cam part ( 24 B) of a second link member ( 4 ) is supported on a cantilever member ( 32 ) extended from the second link member ( 4 ) in the form of a...
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6812420 |
Key switch operating mechanism assembly for electronic portable device
In a key switch device, a guide member constructed of a first and a second links, which guides a vertical movement of a key top, is movably mounted on a support plate with a mounting member...
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6809273 |
Switch structure
A switch structure comprising a switch element ( 5, 59, 61 ) performing circuit switching operation by pushing and a push button section ( 3 ) attached rotationally movably to a supporting member (...
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6797906 |
Membrane switch, key switch using membrane switch, keyboard having key switches, and personal computer having keyboard
A membrane switch is constituted of a lower membrane sheet, an upper membrane sheet and a spacer sheet which is inserted between both sheets, and a spring sheet which is formed of a thin metal...
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