Reduction of power consumption in remote control electronics
First Claim
Patent Images
1. A device, comprising:
- a housing;
a control interface within the housing, the control interface being capable of controlling an electronic component;
a power source within the housing;
a semiconductor microcontroller chip within the housing that is coupled to the power source;
a motion sensor within the housing, the motion sensor being coupled to the power source and detecting motion of the housing;
a capacitive sensor within the housing that senses when a user is holding the housing, the capacitive sensor including an amplifier having a first input coupled to a first capacitance and a second input coupled to a reference voltage, the capacitive sensor electrically coupling a human capacitance in parallel with the first capacitance when the user is holding the housing, the amplifier outputting to the semiconductor microcontroller chip a signal indicating whether a user is holding the housing; and
a switch within the housing, positioned external to the semiconductor microcontroller chip, that electrically couples the power source to the motion sensor when the user is holding the housing and completely electrically decouples power from the power source to the motion sensor when the capacitive sensor senses the user is not holding the housing,wherein the semiconductor microcontroller chip is configured to adjust a frequency of communication (hertz) between the device and a second device being controlled by the device when the capacitive sensor senses the user is not holding the housing.
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Abstract
A remote controlling device (100) is disclosed that includes one or more motion sensors (120, 130, 140) configured to sense a motion of the device. The remote control further includes a capacitive sensor (150) and a power source (405). The capacitive sensor selectively couples the power source to the one or more motion sensors.
108 Citations
16 Claims
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1. A device, comprising:
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a housing; a control interface within the housing, the control interface being capable of controlling an electronic component; a power source within the housing; a semiconductor microcontroller chip within the housing that is coupled to the power source; a motion sensor within the housing, the motion sensor being coupled to the power source and detecting motion of the housing; a capacitive sensor within the housing that senses when a user is holding the housing, the capacitive sensor including an amplifier having a first input coupled to a first capacitance and a second input coupled to a reference voltage, the capacitive sensor electrically coupling a human capacitance in parallel with the first capacitance when the user is holding the housing, the amplifier outputting to the semiconductor microcontroller chip a signal indicating whether a user is holding the housing; and a switch within the housing, positioned external to the semiconductor microcontroller chip, that electrically couples the power source to the motion sensor when the user is holding the housing and completely electrically decouples power from the power source to the motion sensor when the capacitive sensor senses the user is not holding the housing, wherein the semiconductor microcontroller chip is configured to adjust a frequency of communication (hertz) between the device and a second device being controlled by the device when the capacitive sensor senses the user is not holding the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A broadcast receiver system, comprising:
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a set-top box receiver; a remote controlling device, including; a housing; a button; a transmitter; a battery; an electronic semiconductor chip within the housing that is coupled to the battery; a motion sensor coupled to the battery and configured to indicate a movement of the remote controlling device by a user with respect to a screen; and a capacitive sensor within the housing that senses when a user is holding the housing, the capacitive sensor having; a positive electrode; a first negative electrode separated from the positive electrode by a first dielectric material; a second negative electrode separated from the positive electrode by a second dielectric material; and an overlay covering a least a portion of the positive electrode, the first negative electrode, and the second negative electrode; and a switch within the housing, positioned external to the electronic semiconductor chip, that electrically couples the battery to the motion sensor when the user is holding the housing and completely electrically decouples power from the battery to the motion sensor when the capacitive sensor senses the user is not holding the housing, wherein the electronic semiconductor chip is configured to adjust a frequency of communication (hertz) of the transmitter when the capacitive sensor senses the user is not holding the housing.
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10. A method of operating a wireless remote control device, comprising:
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generating, in a motion sensor coupled to the wireless remote control device, one or more signals indicative of a motion of the wireless remote control device; transmitting the one or more signals to one or more remote electronic devices; detecting a capacitance of a capacitor coupled to the wireless remote control device; comparing the capacitance to an expected value, the expected value corresponding to a capacitance of the capacitor when a user is holding the remote control device; entering a low power mode when the capacitance is not equal to the expected value; and completely electrically decoupling power from a power source to the motion sensor by actuating a switch positioned external to an electronic semiconductor chip, while leaving the electronic semiconductor chip electrically coupled to the power source, when in the low power mode, wherein entering a low power mode includes adjusting a frequency of communication (hertz) between the wireless remote control device and the one or more remote electronic devices. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A device, comprising:
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a housing; a control interface within the housing, the control interface being capable of controlling an electronic component; a power source within the housing; an electronic semiconductor chip within the housing that is coupled to the power source; an accelerometer within the housing coupled to the power source, the accelerometer detecting motion of the housing; a capacitive sensor within the housing, the capacitive sensor including an amplifier having a first input coupled to a first capacitance and a second input coupled to a reference voltage, the capacitive sensor electrically coupling a human capacitance in parallel with the first capacitance when the user is holding the housing, the amplifier outputting to the electronic semiconductor chip a signal indicating whether a user is holding the housing; and a switch within the housing, positioned external to the electronic semiconductor chip, that electrically couples the power source to the accelerometer when the user is holding the housing and completely electrically decouples power from the power source to the accelerometer when the capacitive sensor senses the user is not holding the housing, wherein the electronic semiconductor chip is configured to adjust a frequency of communication (hertz) between the device and a second device being controlled by the device when the capacitive sensor senses the user is not holding the housing.
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Specification