Alarming device
First Claim
1. An alarming device comprising:
- a battery power supply;
a sensor section that outputs an anomaly detection signal in a case of detecting an anomaly;
an alert section that outputs an anomaly alarm based on the anomaly detection signal;
a reception circuit section that includes a signal strength measurement section and receives an event signal from another alarming device;
a transmission circuit section that transmits the event signal to the other alarming device;
an anomaly monitoring section that, when the sensor section has detected an anomaly, causes the alert section to output the anomaly alarm based on the anomaly detection signal and causes the transmission circuit section to transmit the event signal according to the anomaly of the alarming device to the other alarming device, and on the other hand, when the reception circuit section has received the event signal according to an anomaly of the other alarming device from the other alarming device, causes the alert section to output the anomaly alarm; and
a communication control section that judges whether or not the following predetermined events occur;
a reduction in a voltage of the battery power supply to a predetermined value or less; and
an anomaly of the transmission circuit section or the reception circuit section, whereinthe communication control section performs communication control by adjusting the transmission to reduce current consumption and reception of the event signal by the transmission circuit section and the reception circuit section when at least one of the predetermined events is detected,the event signal is a signal which includes a transmission code, a group code and an event code, and is mutually transmitted and received wirelessly, andthe alarming device continues monitoring an anomaly so as to output an anomaly alarm upon detection of an anomaly, after the communication control by the communication control section.
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Accused Products
Abstract
The alarming device of the present invention includes a battery power supply; a sensor section that outputs an anomaly detection signal in the case of detecting an anomaly; a alert section that outputs an anomaly alarm based on the anomaly detection signal; a reception circuit section that receives an event signal from another alarming device; a transmission circuit section that transmits an event signal to the other alarming device; an anomaly monitoring section that, when the sensor section has detected an anomaly, causes the alert section to output the anomaly alarm based on the anomaly detection signal and causes the transmission circuit section to transmit an event signal according to the anomaly of the alarming device to the other alarming device, and on the other hand, when the reception circuit section has received an event signal according to an anomaly of the other alarming device from the other alarming device, causes the alert section to output the anomaly alarm; and a communication control section that detects a predetermined event and performs communication control by adjusting the transmitting and receiving of an event signal by the transmission circuit section and the reception circuit section.
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Citations
9 Claims
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1. An alarming device comprising:
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a battery power supply; a sensor section that outputs an anomaly detection signal in a case of detecting an anomaly; an alert section that outputs an anomaly alarm based on the anomaly detection signal; a reception circuit section that includes a signal strength measurement section and receives an event signal from another alarming device; a transmission circuit section that transmits the event signal to the other alarming device; an anomaly monitoring section that, when the sensor section has detected an anomaly, causes the alert section to output the anomaly alarm based on the anomaly detection signal and causes the transmission circuit section to transmit the event signal according to the anomaly of the alarming device to the other alarming device, and on the other hand, when the reception circuit section has received the event signal according to an anomaly of the other alarming device from the other alarming device, causes the alert section to output the anomaly alarm; and a communication control section that judges whether or not the following predetermined events occur; a reduction in a voltage of the battery power supply to a predetermined value or less; and an anomaly of the transmission circuit section or the reception circuit section, wherein the communication control section performs communication control by adjusting the transmission to reduce current consumption and reception of the event signal by the transmission circuit section and the reception circuit section when at least one of the predetermined events is detected, the event signal is a signal which includes a transmission code, a group code and an event code, and is mutually transmitted and received wirelessly, and the alarming device continues monitoring an anomaly so as to output an anomaly alarm upon detection of an anomaly, after the communication control by the communication control section. - View Dependent Claims (2, 3, 4, 5)
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6. An alarming device comprising:
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a sensor section that outputs an anomaly detection signal in a case of detecting an anomaly; an alert section that outputs an anomaly alarm based on the anomaly detection signal; a reception circuit section that receives an event signal from another alarming device by discontinuously performing a reception operation at every predetermined receiving period; a transmission circuit section that transmits to the other alarming device the event signal over a transmission time that is equal to or greater than the receiving period; an anomaly monitoring section that, when the sensor section has detected an anomaly, causes the alert section to output the anomaly alarm based on the anomaly detection signal and causes the transmission circuit section to transmit the event signal according to the anomaly of the alarming device to the other alarming device, and on the other hand, when the reception circuit section has received the event signal according to an anomaly of the other alarming device from the other alarming device, causes the alert section to output the anomaly alarm; a carrier signal strength measuring section that receives the event signal and measures the carrier signal strength; and a discontinuous reception control section that, when the reception circuit section starts the reception operation, causes the carrier signal strength measuring section to measure the carrier signal strength, and, in the case of the measured carrier signal strength being less than a predetermined carrier sensing threshold value, causes the reception operation of the reception circuit section to sleep, and on the other hand in the case of the measured carrier signal strength exceeding the carrier sensing threshold value, causes the reception operation of the reception circuit section to be performed over a predetermined time, wherein the predetermined carrier sensing threshold value is suitably changeable. - View Dependent Claims (7, 8, 9)
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Specification