MAGNETICALLY CONTROLLED TIRE PRESSURE MONITORING APPARATUS
First Claim
1. A magnetically controlled tire pressure monitoring apparatus, comprising:
- a tire pressure detector, including;
a pressure sensor used to detect a tire pressure;
a microcontroller connected to the pressure sensor and used to convert the tire pressure to a tire pressure value;
a register connected to the microcontroller and used to store the tire pressure value or an ID code of the magnetically controlled tire pressure monitoring apparatus for data processing by the microcontroller; and
a wireless signal transmitter connected to the microcontroller and used to convert the tire pressure value or the ID code to an electromagnetic signal;
a power supply used to provide electrical power to the tire pressure detector; and
a wake-up device including a reed switch connected to the microcontroller to control whether the wireless signal transmitter transmits the electromagnetic signal or not,wherein the wake-up device or the microcontroller includes a finite-state machine used to count how many times the reed switch turns on/off or count a time interval when the reed switch is closed to determine whether a next state is a waking state or a sleep state.
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Accused Products
Abstract
A magnetically controlled tire pressure monitoring apparatus includes a tire pressure detector, a power supply and a wake-up device. The power supply supplies electrical power to the tire pressure detector. The tire pressure detector includes a pressure sensor used to detect a tire pressure, a microcontroller connected to the pressure sensor and used to convert the tire pressure to a tire pressure value, a register connected to the microcontroller and used to store the tire pressure value or an ID code of the magnetically controlled tire pressure monitoring apparatus for data processing by the microcontroller, and a wireless signal transmitter connected to the microcontroller and used to convert the tire pressure value or the ID code to an electromagnetic signal. The wake-up device includes a reed switch connected to the microcontroller to control whether the wireless signal transmitter transmits the electromagnetic signal or not.
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Citations
20 Claims
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1. A magnetically controlled tire pressure monitoring apparatus, comprising:
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a tire pressure detector, including; a pressure sensor used to detect a tire pressure; a microcontroller connected to the pressure sensor and used to convert the tire pressure to a tire pressure value; a register connected to the microcontroller and used to store the tire pressure value or an ID code of the magnetically controlled tire pressure monitoring apparatus for data processing by the microcontroller; and a wireless signal transmitter connected to the microcontroller and used to convert the tire pressure value or the ID code to an electromagnetic signal; a power supply used to provide electrical power to the tire pressure detector; and a wake-up device including a reed switch connected to the microcontroller to control whether the wireless signal transmitter transmits the electromagnetic signal or not, wherein the wake-up device or the microcontroller includes a finite-state machine used to count how many times the reed switch turns on/off or count a time interval when the reed switch is closed to determine whether a next state is a waking state or a sleep state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14)
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11. (canceled)
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15. A magnetically controlled tire pressure monitoring apparatus module, comprising:
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a plurality of the magnetically controlled tire pressure monitoring apparatuses, each comprising; a tire pressure detector, including; a pressure sensor used to detect a tire pressure; a microcontroller connected to the pressure sensor and used to convert the tire pressure to a tire pressure value; a register connected to the microcontroller and used to store the tire pressure value or an ID code of the magnetically controlled tire pressure monitoring apparatus for data processing by the microcontroller; and a wireless signal transmitter connected to the microcontroller and used to convert the tire pressure value or the ID code to an electromagnetic signal; a power supply used to provide electrical power to the tire pressure detector; and a wake-up device including a reed switch connected to the microcontroller to control whether the wireless signal transmitter transmits the electromagnetic signal or not; a magnetic controller used to emit a magnetic field to activate the magnetically controlled tire pressure monitoring apparatuses; and a wireless signal receiver used to receive a plurality of electromagnetic signals transmitted from the magnetically controlled tire pressure monitoring apparatuses, wherein the wake-up device or the microcontroller includes a finite-state machine used to count how many times the reed switch turns on/off or count a time interval when the reed switch is closed to determine whether a next state is a waking state or a sleep state. - View Dependent Claims (16, 17)
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18. A magnetically controlled tire pressure monitoring apparatus, comprising:
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a tire pressure detector, including; a pressure sensor used to detect a tire pressure; and a microcontroller connected to the pressure sensor and used to convert the tire pressure to a tire pressure value; a power supply used to provide electrical power to the tire pressure detector; a monitor connected to the microcontroller of the tire pressure detector, and a wake-up device including a reed switch connected to the microcontroller to control whether to light up the monitor or not, wherein the wake-up device or the microcontroller includes a finite-state machine used to count how many times the reed switch turns on/off or count a time interval when the reed switch is closed to determine whether a next state is a waking state or a sleep state. - View Dependent Claims (19, 20)
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Specification