Dartboard, dart scoring device and dart scoring method

Abstract

The disclosure provides a dartboard, a dart scoring device and a dart scoring method. The dartboard comprises a target board body; and a projection device disposed on the target board body and configured to project a target image around a periphery of the target board body to form a virtual target. The target board body according to the disclosure has a small size and is convenient to carry and use.

What is claimed is: 
     
         1 . A dartboard, comprising:
 a target board body; and   a projection device, disposed on the target board body and configured to project a target image around a periphery of the target board body.   
     
     
         2 . The dartboard according to  claim 1 , further comprising:
 a first control device, configured to calculate a score based on positional information of a dart and a predefined scoring rule; and   a detection device, configured to detect the positional information of the dart and to send the positional information to the first control device.   
     
     
         3 . The dartboard according to  claim 2 , wherein
 the target board body is in a circular shape,   the dartboard includes a plurality of detection devices each of which is disposed on a circumference of the target board body and each of which is configured to detect a distance between the dart and the respective detection device and send a detection device identifier and a distance detection value to the first control device, and   the first control device is configured to calculate a score based on the detection device identifier and the distance detection value sent from the plurality of detection devices and the predefined scoring rule.   
     
     
         4 . The dartboard according to  claim 3 , wherein
 the first control device is configured to determine a minimum distance detection value and a detection device identifier corresponding to the minimum distance detection value, or a minimum distance detection value and a maximum distance detection value and the detection device identifiers corresponding to the minimum and maximum distance detection values; determine a position of the detection device according to the detection device identifier, and calculate a distance between the dart and a centre of the target board body according to the position of the detection device and a predefined radius of the target board body; and calculate a score based on the distance between the dart and the centre of the target board body, the detection device identifier, and the predefined scoring rule.   
     
     
         5 . The dartboard according to  claim 3 , wherein
 the first control device is configured to judge whether a distance between the dart and a centre of the target board body is greater than a predefined target radius, wherein if the distance between the dart and the centre of the target board body is greater than the predefined target radius, a score of zero is recorded; if the distance between the dart and the centre of the target board body is less than or equal to the predefined target radius, a score is calculated based on the detection device identifier and the distance detection value from each of the detection devices and the predefined scoring rule.   
     
     
         6 . The dartboard according to  claim 1 , further comprising: a first fixing device, disposed on the target board body and configured to fix the target board body. 
     
     
         7 . A dart scoring device comprising a dart and a dartboard, the dartboard including:
 a target board body; and   a projection device, disposed on the target board body and configured to project a target image around a periphery of the target board body.   
     
     
         8 . The dart scoring device according to  claim 7 , wherein the dart comprises:
 a dart body;   a second control device;   a second signal transceiver, disposed on the dart body to transmit a signal which includes a dart identifier and a user identifier; and   a button, disposed on the dart body for setting a user, wherein   the dartboard further includes a first signal transceiver, disposed on the target board body to receive the signal transmitted from the second signal transceiver, and wherein   the first control device is configured to calculate a score of the user corresponding to the user identifier according to the dart identifier and the user identifier received by the first signal transceiver.   
     
     
         9 . The dart scoring device according to  claim 8 , wherein
 the button is further configured to set a respective color for the user;   the dart further includes an indicator light disposed on the dart body and capable of displaying a plurality of colors; and   the second control device is disposed on the dart body and is configured to instruct the indicator light to display the color set by the user.   
     
     
         10 . The dart scoring device according to  claim 8 , wherein
 the first signal transceiver is further configured to return a response signal to the second signal transceiver upon receiving the signal transmitted from the second signal transceiver;   the second signal transceiver is further configured to receive the response signal transmitted from the first signal transceiver; and   the second control device is further configured to control the second signal transceiver to stop transmitting the signal when the second signal transceiver receives the response signal.   
     
     
         11 . The dart scoring device according to  claim 7 , wherein
 the dart includes a second fixing device, configured to be detachably connected to the dart body and to attach the dart on a flat surface where the target board body is located.   
     
     
         12 . The dart scoring device according to  claim 8 , wherein
 the dart includes a second fixing device, configured to be detachably connected to the dart body and to attach the dart on a flat surface where the target board body is located.   
     
     
         13 . The dart scoring device according to  claim 9 , wherein
 the dart includes a second fixing device, configured to be detachably connected to the dart body and to attach the dart on a flat surface where the target board body is located.   
     
     
         14 . The dart scoring device according to  claim 10 , wherein
 the dart includes a second fixing device, configured to be detachably connected to the dart body and to attach the dart on a flat surface where the target board body is located.   
     
     
         15 . A dart scoring method, comprising:
 detecting, by each of detection devices, positional information of a dart and sending the positional information to a first control device; and   calculating a score by the first control device according to the positional information and a predefined scoring rule.   
     
     
         16 . The method according to  claim 15 , wherein
 the step of detecting, by each of detection devices, positional information of a dart comprises: detecting, by each of detection devices, a distance between the dart and the detection device and sending a detection device identifier and a distance detection value to the first control device, and wherein   the step of calculating a score by the first control device based on the positional information and a predefined scoring rule comprises: calculating the score by the first control device based on the detection device identifier and the distance detection value sent from each of the detection devices and the predefined scoring rule.   
     
     
         17 . The method according to  claim 16 , wherein
 the step of calculating the score by the first control device based on the detection device identifier and the distance detection value sent from each of the detection devices and the predefined scoring rule comprises:   determining, by the first control device, a minimum distance detection value and a detection device identifier corresponding to the minimum distance detection value, or a minimum distance detection value and a maximum distance detection value and the detection device identifiers corresponding to the minimum and maximum distance detection values;   determining, by the first control device, a position of the detection device according to the detection device identifier, and calculating a distance between the dart and a centre of the target board body according to the position of the detection device and a predefined radius of the target board body; and   calculating, by the first control device, the score based on the distance between the dart and the centre of the target board body, the detection device identifier, and the predefined scoring rule.   
     
     
         18 . The method according to  claim 16 , wherein
 the step of calculating the score by the first control device based on the detection device identifier and the distance detection value sent from each of the detection devices and the predefined scoring rule comprises:   judging, by the first control device, whether a distance between the dart and a centre of the target board body is greater than a predefined target radius, wherein if the distance between the dart and the centre of the target board body is greater than the target radius, a score of zero is recorded; if the distance between the dart and the centre of the target board body is less than or equal to the target radius, the score is calculated based on the detection device identifier and the distance detection value sent from each of the detection devices and the predefined scoring rule.