Electronic device and control method thereof
First Claim
1. A mobile phone, comprising:
- a display panel;
a touch panel;
a sound output device;
a housing means with a containing space to contain the sound output device, wherein the housing means has an inner surface;
a conductive layer disposed on the inner surface of the housing means and adjacent to the sound output device and used for sensing a touch during a phone call and turning off the touch panel or backlight of the display panel when the touch is sensed;
a charge-and-discharge circuit coupled to the conductive layer, wherein the charge-and-discharge circuit and the conductive layer are charged and discharged periodically according to a plurality of periodic pulses and output a sensing voltage; and
a processing circuit coupled to the conductive layer and the charge-and-discharge circuit, comprising;
a control unit for providing the periodic pulses to the-conductive layer and the charge-and-discharge circuit;
a detecting unit for detecting the sensing voltage and deciding a charging time according to the sensing voltage, wherein the charging time is a time at which the sensing voltage reaches a predetermined voltage;
a determining unit coupled to the detecting unit for deciding whether to trigger an interrupt request according to the charging time; and
an executing unit coupled to the determining unit for turning off the touch panel or backlight of the display panel when the interrupt request is received;
wherein the housing means is a cover plate with a cavity forming the containing space to contain the sound output device;
wherein the conductive layer is disposed on a specific area of the inner surface of the housing means, and the specific area is adjacent to the cavity and is covered by a layer of colored material.
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Accused Products
Abstract
An electronic device includes a sensing unit, a charge-and-discharge circuit, and a processing circuit. The processing circuit includes a control unit, a detecting unit, a determining unit, and an executing unit. The control unit provides a plurality of periodic pulses to the sensing unit and the charge-and-discharge circuit, such that they are charged and discharged periodically and output a sensing voltage. The sensing unit detects the sensing voltage, and determines a charging time according to the sensing voltage, wherein the charging time is a time at which the sensing voltage reaches a predetermined voltage. The determining unit determines whether to trigger an interrupt request according to the charging time. The executing unit performs a designated application when the interrupt request is received.
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Citations
6 Claims
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1. A mobile phone, comprising:
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a display panel; a touch panel; a sound output device; a housing means with a containing space to contain the sound output device, wherein the housing means has an inner surface; a conductive layer disposed on the inner surface of the housing means and adjacent to the sound output device and used for sensing a touch during a phone call and turning off the touch panel or backlight of the display panel when the touch is sensed; a charge-and-discharge circuit coupled to the conductive layer, wherein the charge-and-discharge circuit and the conductive layer are charged and discharged periodically according to a plurality of periodic pulses and output a sensing voltage; and a processing circuit coupled to the conductive layer and the charge-and-discharge circuit, comprising; a control unit for providing the periodic pulses to the-conductive layer and the charge-and-discharge circuit; a detecting unit for detecting the sensing voltage and deciding a charging time according to the sensing voltage, wherein the charging time is a time at which the sensing voltage reaches a predetermined voltage; a determining unit coupled to the detecting unit for deciding whether to trigger an interrupt request according to the charging time; and an executing unit coupled to the determining unit for turning off the touch panel or backlight of the display panel when the interrupt request is received; wherein the housing means is a cover plate with a cavity forming the containing space to contain the sound output device; wherein the conductive layer is disposed on a specific area of the inner surface of the housing means, and the specific area is adjacent to the cavity and is covered by a layer of colored material. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification