Smart road sign, electronic device, and method of protecting pedestrian using same
OwnerSeung Heon SONGinventor
Life of this patent
Estimating the term…
Abstract
Disclosed are a smart road sign, an electronic device, and a pedestrian protection method, the smart road sign transmitting a warning signal generated based on road-related information displayed on a sign, the electronic device receiving the warning signal when entering a predetermined range from the smart road sign and outputting the warning message. According to the present disclosure, it is possible to secure pedestrian safety by attracting the attention of a user of an electronic device.
Claims20
A smart road sign comprising:
- a support;
- a sign supported by the support and configured to show road-related information;
- and
- a signal transmission device installed in one area of the sign and configured to transmit a warning signal based on the road-related information,
- wherein the signal transmission device comprises a power supplier, a memory configured to store a protocol used for transmission of the warning signal, a controller configured to control generation and transmission of the warning signal based on the protocol stored in the memory, and a signal transmitter configured to transmit the warning signal with a strength that can be received by electronic devices within a predetermined range under a control of the controller.
An electronic device comprising:
- a wireless communication unit;
- an output unit;
- and
- a controller configured to receive a warning signal transmitted from a smart road sign through the wireless communication unit, calculate a distance to the smart road sign based on the warning signal, generate a warning message based on the calculated distance, road-related information included in the warning signal, and identification information and location information of the smart road sign, and output the generated warning message through the output unit.
A method of protecting a pedestrian using a smart road sign and an electronic device, the method comprising:
- generating a warning signal based on road-related information displayed on the smart road sign and a protocol used for transmission of the warning signal;
- transmitting the warning signal with a strength that can be received by electronic devices within a predetermined range;
- receiving the warning signal transmitted from the smart road sign;
- calculating a distance to the smart road sign based on the warning signal;
- generating a warning message based on the calculated distance, the road-related information included in the warning signal, and identification information and location information of the smart road sign;
- and
- outputting the generated warning message.
Dependencies are inferred from the claim text.