Haptic information provision device

Abstract

The present invention relates to a haptic information provision device. The haptic information provision device (100) according to the present invention comprises: a receiver (120) for receiving external notification information; a controller (130) for converting the notification information to a haptic signal; and an operation unit (110) for transferring haptic information to a user according to the haptic signal, wherein the operation unit (110) includes a plurality of operation units (110a-110j), the respective operation units (110a-110j) operating in response to different notification information and thus transferring different haptic information to the user.

1 . A driver assistance information feedback system, comprising:
 a vehicle sensor for detecting road lane markings or an object in the environment outside of and around a vehicle; and   a tactile information supply device for receiving a notification information from the vehicle sensor and converting the notification information to a tactile signal, thereby providing a user with tactile information,   wherein the tactile information supply device includes:
 to a receiver for receiving the notification information; 
 a controller for converting the notification information to the tactile signal; and 
 an operator for providing the user with the tactile information according to the tactile signal, and 
   wherein the operator includes a plurality of operation units and each of the operation units operates in response to different notification information to provide different tactile information to the user.   
     
     
         2 . The driver assistance information feedback system of  claim 1 ,
 wherein the controller controls at least one of an operation intensity and an operation pulse of each of the operation units according to the notification information.   
     
     
         3 . The driver assistance information feedback system of  claim 2 ,
 wherein each of the operation units operates corresponding to information on the position of the road lane markings or the object with reference to the vehicle.   
     
     
         4 . The driver assistance information feedback system of  claim 3 ,
 wherein the vehicle sensor is a lane departure detection sensor, and   wherein each of the operation units operates when the lane departure detection sensor detects the lane departure of the vehicle.   
     
     
         5 . The driver assistance information feedback system of  claim 1 ,
 wherein the operator comprises:
 a band portion in close contact with the body of the user; and 
 the plurality of operation units provided on the band portion. 
   
     
     
         6 . The driver assistance information feedback system of  claim 1 ,
 wherein the operation unit comprises:
 a tactile sensation provider having a shape or position that changes in response to a magnetic field; and 
 a magnetic field generator for generating the magnetic field to change the shape or position of the tactile sensation provider. 
   
     
     
         7 . The driver assistance information feedback system of  claim 6 ,
 wherein the tactile sensation provider comprises magnetic particles and a matrix material.   
     
     
         8 . The driver assistance information feedback system of  claim 6 ,
 wherein the tactile sensation provider includes a magnetorheological fluid (MRF) or a magnetorheological elastomer (MRE).   
     
     
         9 . The driver assistance information feedback system of  claim 6 ,
 wherein the tactile sensation provider vibrates when an AC magnetic field is generated by the magnetic field generator, and   wherein the stiffness of the tactile sensation provider changes when a DC magnetic field is generated by the magnetic field generator.   
     
     
         10 . The driver assistance information feedback system of  claim 6 ,
 wherein the magnetic field generator is at least one of a planar coil and a solenoid coil.   
     
     
         11 . The driver assistance information feedback system of  claim 6 ,
 wherein the tactile sensation provider is a permanent magnet and provides tactile information by vibration due to application of the magnetic field.   
     
     
         12 . The driver assistance information feedback system of  claim 1 ,
 wherein the plurality of operation units includes at least one of an eccentric motor, a linear resonant actuator, a piezoelectric actuator, an electroactive polymer actuator, and an electrostatic actuator.   
     
     
         13 . The driver assistance information feedback system of  claim 1 ,
 wherein the plurality of operation units provides at least one tactile information of vibration, brushing, constriction, beating, pressing, tapping and tilting.   
     
     
         14 . The driver assistance information feedback system of  claim 6 ,
 wherein the tactile sensation provider maintains a first shape when not influenced by the magnetic field,   wherein the tactile sensation provider maintains a second shape when influenced by the magnetic field, and   wherein the tactile sensation provider produces a reciprocating motion between the second shape and the first shape, thereby providing tactile information.   
     
     
         15 . The driver assistance information feedback system of  claim 6 ,
 wherein the tactile sensation provider maintains a first position when not influenced by the magnetic field,   wherein the tactile sensation provider maintains a second position when influenced by the magnetic field, and   wherein the tactile sensation provider produces a reciprocating motion between the second position and the first position, thereby providing tactile information.   
     
     
         16 . The driver assistance information feedback system of  claim 14 ,
 wherein at least one of a degree, a direction, and a frequency of the transformation from the first shape to the second shape is controlled by controlling at least one of an intensity, a direction, and a frequency of the magnetic field generated by the magnetic field generator.   
     
     
         17 . The driver assistance information feedback system of  claim 15 ,
 wherein at least one of a degree, a direction, and a frequency of the transformation from the first position to the second position is controlled by controlling at least one of an intensity, a direction, and a frequency of the magnetic field generated by the magnetic field generator.   
     
     
         18 . The driver assistance information feedback system of  claim 6 ,
 wherein the tactile sensation provider includes at least one of iron (Fe), cobalt (Co) and nickel (Ni).