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Darfon Electronics Corp. Patents
Assignee:
Darfon Electronics Corp.
Address:
Taoyuan, TW
No. of patents:
118
Patents:


1 2 3


Patent Number Title Of Patent Date Issued
D571198 Wireless optical mouse packaging box June 17, 2008
D566108 Earphone April 8, 2008
D565056 Keyboard March 25, 2008
D562823 Mouse February 26, 2008
D559851 Arrow key January 15, 2008
D558205 Mouse December 25, 2007
D545303 Remote keyboard June 26, 2007
D534535 Mouse January 2, 2007
D521515 Mouse May 23, 2006
D521022 Media player May 16, 2006
D520008 Mouse May 2, 2006
D513258 Mouse December 27, 2005
D501478 Keyboard February 1, 2005
D458932 Optical mouse June 18, 2002
7435697 Ceramic powder composition, ceramic material, and laminated ceramic condenser comprised thereof October 14, 2008
A ceramic powder composition, ceramic material, and laminated ceramic condenser comprised thereof. The composition includes ceramic powders comprising (Sr.sub.xCa.sub.1-x)Ti.sub.yZr.sub.1-yO.sub.3, and a sintering aid, wherein x is between 0 and 1, and y is between 0 and 0.1. The sin
7427725 Keyboards September 23, 2008
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 moved toward the membrane
7420541 Wireless mouse September 2, 2008
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 continuously pressed for a fi
7417200 Input devices and key structures thereof having resilient mechanisms August 26, 2008
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 the first rod and e
7388167 Keyboard structure June 17, 2008
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 guide member. The
7385358 Power supply circuit and transformer thereof June 10, 2008
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 second coil. The drivi
7375295 Collapsible keyboard May 20, 2008
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 assemblies when the c
7362309 Pointing device with flexible shape April 22, 2008
A pointing device includes a housing, a main body and an input section. The housing contains an upper cover and two extending arms, which extended from the upper cover. The main body is housed under the upper cover and located between the two extending arms of the housing. The input
7345253 Key structures March 18, 2008
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 substrate. The second rod
7336368 Optical detecting module and optical detector thereof February 26, 2008
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 toward the object, the
7274156 Power supply circuit and transformer thereof September 25, 2007
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 second coil. The drivi
7271548 Multi-lamp drivers and transformers thereof September 18, 2007
A multi-lamp driver driving first and second lamps and comprising a driving circuit and a transformer. The transformer comprises a winding rack, a magnetic core, two primary winding sets, and two secondary winding sets. One portion of the magnetic core is inserted into the winding ra
7268501 Multi-lamp driving circuit September 11, 2007
A multi-lamp driving circuit includes a transformer, a first lamp, a second lamp, a current/voltage converting circuit and a voltage/current converting circuit. Transformer includes a secondary coil having a first output terminal and a second output terminal. Each of the first lamp and
7265310 Key mechanism September 4, 2007
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 at least one engaging portion. A linking bar is connected between the base plate and the
7239303 Keyboard structure July 3, 2007
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 guide member. The
7196595 Multilayer diplexer March 27, 2007
A multilayer diplexer has a first I/O terminal, a second I/O terminal, an antenna terminal, a high-pass filter coupled between the antenna terminal and the second I/O terminal, and a low-pass filter coupled between the antenna terminal and the first I/O terminal. The high-pass filter has
7176777 Transformer and lamp driving system utilizing the same February 13, 2007
A transformer includes a bobbin, a first magnetic core, a first and a second coils and a second magnetic core. The first magnetic core is disposed in the bobbin. The first coil and the second coil respectively wind around the bobbin. The second magnetic core covers at the exterior of
7154366 Bobbin module of transformer December 26, 2006
A bobbin module of transformer is provided. The bobbin module includes two bobbins. Each of the bobbins comprises a body, an indentation and a hooker. The body has a lateral surface on which the indentation and the hooker are disposed. The hooker and the indentation of the bobbin are
7153050 Collapsible keyboard December 26, 2006
A collapsible keyboard comprises a connection part, a top cover pivoted to the connection part, a first key assembly connected to the connection part and movable between a first position and a second position, and a second key assembly pivoted to the first key assembly. The first key
7151529 Input apparatus for hand-held electronic devices and computers December 19, 2006
An input apparatus for a hand-held electronic device and a computer. The universal input apparatus includes a main connection port, a communication port, an input controller, a communication controller and a route selection unit. The main connection port connects to the hand-held ele
7138980 Input apparatus with scrolling function on cursor key and method thereof November 21, 2006
An input apparatus having a scrolling function includes a cursor key and a hot key. The cursor key is configured to selectively control a cursor movement on a screen and scroll data displayed on the screen. When the hot key is at a first status, in response to action of a user, the curso
7131781 Keyboards November 7, 2006
A keyboard. A keyboard subassembly is disposed on a base and moves between a first position and a second position. The keyboard subassembly provides a first angle of elevation when in the first position, and a second angle of elevation when in the second position. The first angle of elev
7126499 Keyboard October 24, 2006
A keyboard. The keyboard comprises at least one key, a base, a membrane assembly and a circuit board. The membrane assembly is disposed between the base and the key. At least part of the circuit board is disposed in the key. The keyboard is connected to a notebook computer or a personal
7125180 Collapsible keyboard with supporting structure October 24, 2006
A collapsible keyboard with supporting structures for an electronic device. The collapsible keyboard comprises a body, a first supporting structure and a second supporting structure. The body comprises a first section and a second section rotatably connected thereto. The first suppor
7116205 Transformer and voltage supply circuit thereof for lighting tubes October 3, 2006
A transformer. The transformer drives a plurality of lighting tubes and comprises a coupling iron core, a first winding around the coupling iron core, a first bobbin disposed between the first winding and the coupling iron core, a plurality of second windings, independent of each other a
7088213 Transformer and lamp system utilizing the same August 8, 2006
A transformer for a lamp system. A first spindle comprises a first hollow portion. A second spindle comprises a second hollow portion and is arranged in parallel with the first spindle. A first coil is wound around the first spindle. Second coils are wound around the second spindle. The
7083343 Keyboard keys using marked elastic domes and fabrication method thereof August 1, 2006
Keyboard keys using a marked elastic dome and the fabrication method thereof. The method for fabricating elastic domes first includes providing a mold having a plurality of mold cavities with a markable surface. Next, a plurality of different marks is formed on the markable surface o
7075244 Multi-lamp backlight system July 11, 2006
A multi-lamp backlight system. The system includes a core, a first coil set wrapped around the core, to which a first AC voltage is applied, a second and third coil sets wrapped around the core and respectively disposed on two sides of the first coil set, on which a second and third
7059789 Key structure June 13, 2006
A key structure. The key structure comprises a substrate, a key cover, a first rod and a resilient member disposed between the substrate and the key cover. The key cover has a receiving seat defining an opening and a receiving space. Particularly, the length of the opening is less than t
7053884 Input apparatus with supporting arm May 30, 2006
An input apparatus and auxiliary input apparatus are described. In one embodiment, the input apparatus has an input unit and at least one supporting arm. Users hold the supporting arms with some of their fingers and operate the input units with other of their fingers. In another embo
7052195 Foldable input apparatus May 30, 2006
A foldable input apparatus for inputting data to an electronic device is provided. The foldable input apparatus includes a connection part, a first input part, a second input part, a first housing and a second housing. The connection part includes a first pivot, a second pivot, a thi
7043281 Portable electronic apparatus and detachable input device thereof May 9, 2006
The present invention provides a detachable data input device for use with a portable electronic apparatus. The data input device such as a keyboard includes a connecting device, a housing, and an adjustment unit. The connecting device includes at least one projection and a first slot. T
7034718 Keyboard with elevated keys April 25, 2006
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 has keys movably connected to the foundation sheet through scissors-type linking mecha
7022927 Keyboards with elevated keys April 4, 2006
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 is movable in a first direction with respect to the substrate between a first position
6992657 Input device January 31, 2006
An input device with a number of key sets is described. The input device has a first state when the key sets are configured in different levels, and a second state when the key sets are configured to be side-by-side.
6977347 Flexible printed circuit board December 20, 2005
A flexible printed circuit board. The board includes a first circuit layer, a second circuit layer, a first adhesive layer, a second adhesive layer and an intermediate layer. The second circuit layer face the first circuit layer, and the first adhesive layer is disposed on the first circ
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