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Stylus

Patent Number: 8445794
Publication Date: 2013-05-21
Inventor:

A stylus comprises a housing, a tip body, a slide enabling member and a cap assembly. The housing has a receptacle defined therethrough. The tip body is slidably accommodated in the receptacle of the housing. The slide enabling member slidably couples the tip body to the housing so the tip body can slide relative to the housing from a retracted position to an extended position. The cap assembly is releasably latched to the tip body. The tip body includes a tapered surface formed thereon; ...

Selective input signal rejection and modification

Patent Number: 8445793
Publication Date: 2013-05-21
Inventors: ;

This invention is related to user input devices that accept complex user input including a combination of touch and push (or pick) input. The invention provides for selective ignoring or rejection of input received from such devices in order to avoid interpreting unintentional user actions as commands. Furthermore, some input signals can be modified. The selective rejection or modification can be performed by the user interface device itself or by a computing device that includes or is ...

Circular single-layer touch sensors

Patent Number: 8440920
Publication Date: 2013-05-14
Inventors: ;

A two-dimensional capacitive sensor device comprises a sensor substrate with a plurality of wedge shaped sensor cells arranged in a single-layer circular pattern proximal to the substrate. The plurality of wedge shaped sensor cells are arranged in a rotationally symmetric pattern about a center of the single-layer circular pattern. A sensor cell of the plurality of wedge shaped sensor cells comprises a first sensor electrode and a second sensor electrode separated by a border. The first and ...

Noise resistant capacitive sensor

Patent Number: 8436263
Publication Date: 2013-05-07
Inventor:

A switch capacitor unit for implementing a capacitive sensor includes a charging switch, a charge transfer switch, and a first switch. The charging switch is coupled between a first supply voltage and a circuit node to selectively couple a sensing capacitor to the first supply voltage through the circuit node. The charge transfer switch is coupled between the circuit node and a first terminal of a second capacitor to selectively couple the sensing capacitor through the circuit node to the ...

Detecting method for touch panel

Patent Number: 8436262
Publication Date: 2013-05-07
Inventor:

A detecting method for a touch panel includes providing a sensing matrix having a plurality of sensing units; detecting sensing data generated from the sensing unit and defining the sensing unit as a touch point or a non-touch point based on the sensing data; and grouping at least a portion of the touch points to form a touch point group, wherein projection of a touch point overlaps a projection of at least one touch point of the touch point group in one of a row direction and a column ...

Rangefinder pivotable between obverse and reverse positions

Patent Number: 8431841
Publication Date: 2013-04-30
Inventors: ;

A rangefinder, for locating an object moving parallel to a planar surface, is rigidly attached to a carrier that is pivotably movable between an obverse position and a reverse position relative to a planar surface. Preferably, an orienting mechanism is provided for determining which position, obverse or reverse, the carrier and rangefinder are in. Preferably, a pivot, for pivoting the carrier and the rangefinder between the two positions, is rigidly attached either to the plane surface or ...