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Darfon Electronics Corp patents


Recent patent applications related to Darfon Electronics Corp. Darfon Electronics Corp is listed as an Agent/Assignee. Note: Darfon Electronics Corp may have other listings under different names/spellings. We're not affiliated with Darfon Electronics Corp, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Darfon Electronics Corp-related inventors


Keyswitch

A keyswitch uses a combination of springs connected in serial for providing a return force to a keycap of the keyswitch. When the keycap moves toward a base of the keyswitch beyond a transition position, one of the springs stops continuously deforming. ... Darfon Electronics Corp

Keyboard structure

A keyboard structure and assembling method thereof are provided. The keyboard structure includes a baseplate, a keycap and a frame having a hook body. ... Darfon Electronics Corp

Keyboard device

A keyboard device includes m driving circuits dc(1)˜dc(m), n transition circuits tc(1)˜tc(n), a control module, m column signal lines c(1)˜c(m), n row signal lines r(1)˜r(n) and m*n key units ku(1,1)˜ku(m,n). The control module performs a scanning process to sequentially scan the m column signal lines c(1)˜c(m) in m scan cycles scan(1)˜scan(m). ... Darfon Electronics Corp

Keyboard

A keyboard includes a base plate, key switches and a backlight module. The base plate has posts. ... Darfon Electronics Corp

Translucent keycap and method of fabricating the same

The invention discloses a translucent keycap and a method of fabricating the same. The translucent keycap according to the invention includes a translucent base, a first colored translucent layer, a light-shielding layer and a second colored translucent layer. ... Darfon Electronics Corp

Keyswitch with adjustable tactile feedback

A keyswitch includes a cap, internal and external sleeves, a resilient arm, a base having a pillar, and an elastic member abutting against the internal sleeve and the base. The internal sleeve jackets the pillar, abuts against the cap and has a first outer annular surface with a transverse slot. ... Darfon Electronics Corp

Crank drive apparatus for power assisted bicycle

A power transmission apparatus includes a shaft, a driving plate, a first driven plate, and a sensor device. The driving plate is disposed on the shaft and rotates with the shaft. ... Darfon Electronics Corp

Key switch with noise reduction mechanism

A key switch includes a baseplate, a circuit layer, a keycap and a support rod. The baseplate has a hook and a first through hole neighboring to the hook. ... Darfon Electronics Corp

Electric bicycle and battery lift mechanism and battery carrying device thereof

An electric bicycle and a battery lift mechanism and a battery carrying device thereof are disclosed. The battery lift mechanism includes a bracket, a carrier for carrying a battery, an upward-force device coupling with the carrier, and a locking device selectively in an unlocked state or a locked state. ... Darfon Electronics Corp

Light emitting keyswitch

A light emitting keyswitch includes a board, a cap, a lifting mechanism disposed between the board and the cap, a membrane switch including first and second substrates, an led, and a transparent hollow elastic body. The first substrate has a first outer surface and a first inner surface. ... Darfon Electronics Corp

Keyswitch, keyboard and keyswitch manufacturing method thereof

A keyswitch includes a cap, a support structure, a first magnet, and a baseplate having a bending arm protruding from the baseplate and a support rib extending horizontally to form a receiving space with the bending arm. The support structure includes a first support member pivoted to the baseplate and against the cap and a magnetic permeable plate extending from the first support member and being above the receiving space. ... Darfon Electronics Corp

Keyswitch

A keyswitch uses a magnetic attraction force produced between and by a fixed part, fixedly disposed relative to a base, and a movable part, movably disposed relative to the base, as a driving force for returning a keycap to its original position. The movable part is between the fixed part and the base. ... Darfon Electronics Corp

Keyswitch with adjustable tactile feedback and switch thereof

A keyswitch includes a base having a pillar, a cap having a rib and movable relative to the base, a sleeve rotatably sleeving the pillar and having first and second top surfaces and convex and concave portions, an elastic member abutting against the sleeve and the base, and a resilient arm abutting against a first or second position on the convex portion with rotation of the sleeve. When the resilient arm abuts against the first position, the rib abuts against the first top surface to prepress the elastic member for generating a first preload. ... Darfon Electronics Corp

Keyswitch

A keyswitch includes a board having a first magnetic portion and a pivot portion, a cap, a switch, and a support device including a first support member having first and second bodies connected to each other via an elastic connection arm. The first body has first and second end portions connected to the cap and the pivot portion respectively. ... Darfon Electronics Corp

12/07/17 / #20170352504

Luminous keyboard and luminous keyswitch thereof

A luminous keyswitch includes a keycap having a light-transparent portion, a baseplate, an up-down mechanism with two ends respectively moveably connected to the keycap and the baseplate, a function sheet disposed on or under the baseplate, and a light source disposed on the function sheet within a vertical projection of the keycap and connected by a copper wire to provide a light illuminating the light-transparent portion. The function sheet includes a flexible upper circuit layer having a first contact point, a flexible spacer layer having a hole, and a flexible lower circuit layer having a second copper contact point, a third copper contact point, a first copper wire connected to the second copper contact point, and a second copper wire connected to the third copper contact point. ... Darfon Electronics Corp

11/16/17 / #20170330707

Keyswitch

A keyswitch includes a base plate, a cap having a longitudinal axis, a returning device, a support mechanism, and a lifting mechanism including first and second support plates. The first support plate has first and second edges parallel to the longitudinal axis for respectively abutting against the base plate and the cap. ... Darfon Electronics Corp

09/28/17 / #20170278649

Keyswitch structure

A keyswitch structure includes a baseplate having a switch opening, a keycap movably disposed above the baseplate, a circuit board disposed on the baseplate, the circuit board having a through hole, and a mechanical switch disposed below the keycap, the mechanical switch extending through the through hole to be partially received in the switch opening and electrically coupled to the circuit board, wherein when the keycap moves toward the baseplate, the keycap triggers the mechanical switch.. . ... Darfon Electronics Corp

08/24/17 / #20170243707

Keyswitch

A keyswitch includes a board, a cap, and a support device. The board has first and second bending members and a main body extending along x and y axes perpendicular to each other. ... Darfon Electronics Corp

08/03/17 / #20170221653

Keyswitch

A keyswitch uses a combination of springs connected in serial for providing a return force to a keycap of the keyswitch. When the keycap moves toward a base of the keyswitch beyond a transition position, one of the springs stops continuously deforming. ... Darfon Electronics Corp

08/03/17 / #20170221652

Illuminated keyswitch

An illuminated keyswitch includes a base, a keycap, a lift mechanism, and a light source. The keycap includes a cap body and a light guiding rod. ... Darfon Electronics Corp

06/29/17 / #20170186569

Keyswitch and keyboard thereof

A keyswitch includes a board, a cap, and a support device disposed between the board and the cap. A first abutting side of a first support member of the support device has a first hole formed toward a first bending arm of the board. ... Darfon Electronics Corp

06/29/17 / #20170186525

Inductor, magnetic material composition used for the same, and manufacturing method of electronic component

An inductor, a magnetic material composition used for the inductor, and a manufacturing method of an electronic component. The magnetic material composition used for the inductor includes 100 weight parts of a magnetic metal powder and 0.05-1 weight part of an inorganic ceramic powder. ... Darfon Electronics Corp

06/22/17 / #20170178841

Keyswitch structure, switch structure and method of assembling a keyswitch structure

A keyswitch structure includes a base, a keycap, a frame disposed between the base and the keycap for providing a supporting and moving mechanism to the keycap, and another frame interacting with the former frame through a magnetic attraction force. When the keycap is not pressed, the magnetic attraction force drives the two frames to stably stand on the base and form a stable supporting structure, so that the keycap is located at a farther position relative to the base. ... Darfon Electronics Corp

06/22/17 / #20170178792

Voltage transformer

A voltage transformer includes a magnetic core body, a positioning plate, a first coil, and a second coil. The magnetic core body has an accommodation space and a rod portion extending along a z axis. ... Darfon Electronics Corp

06/22/17 / #20170174095

Electric bicycle and battery lift mechanism and battery carrying device thereof

An electric bicycle and a battery lift mechanism and a battery carrying device thereof are disclosed. The battery lift mechanism includes a bracket, a carrier for carrying a battery, an upward-force device coupling with the carrier, and a locking device selectively in an unlocked state or a locked state. ... Darfon Electronics Corp

02/23/17 / #20170053756

Backlight module adapted for a keyboard and keyboard therewith

A backlight module includes a masking plate, a light guiding plate, a light emitting unit, a reflective plate and an attaching layer. A plurality of upper through holes are formed on the masking plate. ... Darfon Electronics Corp

02/23/17 / #20170052309

Backlight module and light guide plate thereof

A backlight module includes a light source unit for providing light, a light guide plate including a plate body having a light entrance surface and extending along an x-y plane and at least one opening in the plate body and extending along a z axis, and an optical layer on one side of the light guide plate. The light enters the light guide plate from the light entrance surface and travels substantially along the x-y plane. ... Darfon Electronics Corp

01/12/17 / #20170011867

Keyswitch and keyboard thereof

A keyswitch includes a board, a cap, and a support device. The support device is disposed between the board and the cap and includes first and second support members movably connected to the cap and the board. ... Darfon Electronics Corp








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