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Assignee: Darfon Electronics Corp.


Location: Taoyuan, TW
No. of patents: 127

1        
NumberTitleIssue Date
8110764Key structure
A key structure is provided, including a substrate, a key cap, a first link, and a second link pivotally connected to the first link. The first and second links movably connect the key cap with the base. The key cap comprises a first surface and a guiding portion ex...
02/07/2012
8089467Keyboard frame with induction light source
A keyboard frame with induction light source is disclosed, which comprises: a frame, a light guide plate, a signal line, a thermal sensor, a light source, a control circuit and a switch. As the light guide plate having the signal line disposed thereon is received in...
01/03/2012
8044935Scroll wheel device for a computer mouse having a breaking mechanism
A scroll wheel device for computer mouse is disclosed, which comprises: a scroll wheel, having a scraggly structure formed in the interior thereof; and an adjusting unit. In an exemplary embodiment, the scraggly structure can be a sawtooth-like structure patterned o...
10/25/2011
8030585Press-key structure
A press-key structure is disclosed, which comprises: a keycap, configured with a bottom surface; a substrate, being disposed under the keycap; and a pressing part, being arranged between the keycap and the substrate. In an exemplary embodiment, the pressing part fur...
10/04/2011
7994880Energy transferring system and method thereof
An energy transferring system including a source-side resonator, an intermediate resonant module, and a device-side resonator is provided. The three resonators substantially have the same resonant frequency for generating resonance. The energy on the source-side res...
08/09/2011
7994446Key mechanisms
A key mechanism. A base plate includes at least one first guiding base, at least one second guiding base, at least one first barricade, and at least one second barricade. The first guiding base opposes the second guiding base. The first barricade opposes the second ...
08/09/2011
7990031Light emitting diode lamp
A light emitting diode (LED) lamp is disclosed, which comprises: a base; a tube, mounted on the base and configured with a plurality of first openings; a mask, for receiving a portion of the tube inside the same and being configured with a plurality of second openin...
08/02/2011
7954222Key, X-structure and manufacturing method thereof
A X-structure of a key and a manufacturing method thereof are disclosed. The X-structure comprises a first frame and a second frame. The first frame comprises a bar. The first frame is connected and pivoted to the second frame via a fold located on the bar. The key ...
06/07/2011
7884803Turntable-type input device
A turntable-type input device includes a base, a first keyboard, a second keyboard and a turntable. The first keyboard and second keyboard are movably disposed on the base. The turntable is rotatably disposed on the base and located above the first keyboard and the ...
02/08/2011
7882798Key cap painting tool
A spray painting tool for painting key caps is disclosed, which comprises: a platform, having a plurality of columns formed on a top surface of the same; a panel, having a plurality of holes formed thereon at positions corresponding to the plural columns for allowin...
02/08/2011
7882609Key, X-structure and manufacturing method thereof
A X-structure of a key and a manufacturing method thereof are disclosed. The X-structure comprises a first frame and a second frame. The first frame comprises a bar. The first frame is connected and pivoted to the second frame via a fold located on the bar. The key ...
02/08/2011
7798013Automatic keyboard inspection apparatus
An automatic keyboard inspection apparatus, adapted for inspecting a keyboard, is disclosed, which comprises: a retractable device, a pressing part, a path control unit and a dual-axial platform; wherein, as the automatic keyboard inspection apparatus is enabled to ...
09/21/2010
7728243Keyboard with wobble prevention structure
A keyboard with a wobble prevention structure, which is substantially a substrate having at least one press key arranged thereon while enabling each press key to be driven to move in a reciprocating manner following a specific direction, and having a plurality of po...
06/01/2010
7714245Keyswitch with balance member
The invention discloses a keyswitch, which includes a keycap and a balance member. The keycap thereof defines a lower surface, which has at least one mounting portion. The balance member has an axle thereof defines a first end and a second end opposite to the first ...
05/11/2010
7710230Transformer of light tube driving device and method for adjusting light tube using thereof
A transformer including an insulating housing, a first bobbin, a primary coil, a second bobbin, a secondary coil, a first core and a second core is provided. The insulating housing has a first chamber and a second chamber separated from the first chamber, wherein tw...
05/04/2010
7709762Keyboard
A keyboard includes a keycap, a pivot structure, a base and an X-structure. The keycap includes a bottom surface, a first edge and a second edge. The pivot structure includes two first engaging portions and two second engaging portions. The first engaging portions a...
05/04/2010
7696446Key structure
The invention discloses a key structure comprising a keycap, a base plate, and a support member. The keycap comprises a slide part; the base plate comprises an engagement part; the support member comprises a slide end and an engagement end, and the support member is...
04/13/2010
7683280Keyboards and key structures thereof
Key structures are provided. A key structure comprises a substrate, a first rod, a second rod, and a key cover. The substrate comprises a first surface, a through hole, and a plurality of contact portions fixed to the first surface. Each of the contact portions has ...
03/23/2010
7670017Luminous key mechanism
A luminous key mechanism. A keycap moves with respect to a base plate and includes a transparent window. A light-emitting element is disposed under the keycap. A condenser is connected to the transparent window and opposes the light-emitting element. Light output fr...
03/02/2010
D610585Mouse
02/23/2010
7643278Electronic device and keyboard thereof
An electronic device and keyboard thereof. The electronic device comprises a body and a keyboard. The body has a recess. The keyboard comprises a base and a securing mechanism. The securing mechanism comprises a track and a sliding member. The track is disposed on t...
01/05/2010
7623117Adjustable mouse
An adjustable mouse comprises a first shell, a second shell and a connecting assembly. The first shell movably connects to the second shell via the connecting assembly. The first shell moves relative to the second shell. When the length of the adjustable mouse is ad...
11/24/2009
7589293Membrane switch circuit and keyswitch using such membrane switch circuit
The invention discloses a membrane switch circuit and a keyswitch using such membrane switch circuit. The keyswitch comprises a deformable member, which is disposed on the membrane switch circuit. The membrane switch circuit according to the invention comprises a me...
09/15/2009
7572996Keyswitch 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 bottom surface, which has a plurality of protruding portions, each of ...
08/11/2009
7557313Keyswitch and keyoard
The invention discloses a keyswitch for preventing itself from being damaged by the entrance of water and for increasing its lifetime. The keyswitch includes a substrate, a switch, a supporting device, a deformable shielding and a keycap. The switch is mounted on th...
07/07/2009
7541554Key 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 substrate is disposed below the membrane circuit to support the membrane cir...
06/02/2009
7459863Transformer and multi-lamp driving circuit using the same
A transformer for driving multiple lamps includes a core, a primary winding set, a secondary winding set and a balancing winding set. The primary winding set winds around the core and includes a first primary coil. The secondary winding set winds around the core and...
12/02/2008
7449843Transformer for driving multi-lamp and backlight module thereof
A transformer for driving multi-lamps and a backlight module thereof are provided. The transformer comprises a primary winding, a secondary winding, a core, a first bobbin and a second bobbin. The primary winding comprises a primary coil. The secondary winding compr...
11/11/2008
7437956Pull testing mechanism
A pull testing mechanism. A first fixed member and a second fixed member are disposed on a base and oppose each other. A first movable member and a second movable member are movably connected to the first and second fixed members, respectively. A first rotating memb...
10/21/2008
7427725Keyboards
A keyboard. A membrane circuit board includes a plurality of switches. At least one keycap is disposed on the membrane circuit board and includes a plurality of activating pillars respectively corresponding to and separated from the switches. When the keycap is move...
09/23/2008
7420541Wireless mouse
A wireless mouse comprising an operating interface, a wireless communication module and a control unit is provided. The wireless communication module is for communicating with a receiver electrically coupled to a computer. When the operating interface is continuousl...
09/02/2008
7417200Input 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 the resilient unit is in a first position, the resilient unit abuts t...
08/26/2008
7388167Keyboard structure
A keyboard structure. The keyboard structure includes a base plate, a light guide member, a membrane circuit board, a key assembly and a light-emitting element. The light guide member is disposed on the base plate. The membrane circuit board is disposed on the light...
06/17/2008
D571198Wireless optical mouse packaging box
06/17/2008
7385358Power supply circuit and transformer thereof
A power supply circuit for a first and a second lamps and the transformer thereof is provided. The power supply circuit comprises a driving circuit and a transformer. The transformer includes a magnetic core, a primary coil set, a secondary coil, a first coil and a ...
06/10/2008
7375295Collapsible keyboard
A collapsible keyboard comprises a first key assembly, a second key assembly rotatably connected to the first key assembly and a third key assembly rotatably connected to the second key assembly. The first key assembly is located between the second and third key ass...
05/20/2008
D566108Earphone
04/08/2008
D565056Keyboard
03/25/2008
7345253Key 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 pivotally connects the key cover and a first guiding portion of the substr...
03/18/2008
7336368Optical detecting module and optical detector thereof
An optical detector measuring a movement of an object in a space on a measurement axis comprises a light source, a reflective portion, a detection unit and a converting unit. The light source comprises a resonance chamber, the light source emitting a laser beam towa...
02/26/2008
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