Display rotation appatatus and rotating method thereof

Abstract

A display rotation apparatus and rotating method thereof are disclosed. A display rotation apparatus, interposed between a fixed body and a moving body and rotating the moving body about the fixed body, comprising plural joint parts coupled to the moving body; plural arm parts, one end coupled to the joint part and the other end coupled to the fixed body, comprising a link member and a hinge member configured to joint act; and a driving part, coupled to the hinge member, rotating the arm part can rotate the display in variable directions.

1 . A display rotation apparatus, interposed between a fixed body and a moving body and rotating the moving body about the fixed body, the display rotation apparatus comprising: 
 plural joint parts coupled to the moving body;    plural arm parts, one end coupled to the joint part and the other end coupled to the fixed body, comprising a link member and a hinge member configured to joint act;    a driving part, coupled to the hinge member, rotating the arm part and;    a display hinge coupled to the moving body; and    a rotation part, coupled to the display and the moving body, rotating the display about the moving body.    
     
     
         2 . The display rotation apparatus of  claim 1 , wherein the joint part comprises: 
 a first joint part coupled to the moving body; and    a second joint part coupled to the moving body and separates from the first joint part, and    said arm part comprises:    a first arm part coupled to the first joint part; and    a second arm part coupled to the second joint part.    
     
     
         3 . The display rotation apparatus of  claim 1 , wherein the rotation part comprises: 
 a tension member coupled to two points on the display opposite to each other about the rotation axis of the display;    a roller member configured to guide the path of the tension member; and    a motor part positioned on the path of the tension member and configured to apply a tensile force on the tension member.    
     
     
         4 . The display rotation apparatus of  claim 3 , wherein the motor part comprises: 
 a motor; and    a slip pulley coupled to the driving axis, and    the tension member is coupled to the slip pulley.    
     
     
         5 . The display rotation apparatus of  claim 1 , wherein the driving part comprises: 
 a power part generating rotation force; and    a rotation part receiving the rotation force from the power part, and    the rotation part comprises:    a rotating driving axis coupled to the power part;    a clutch part coupled to the driving axis; and    a driven axis contacting the clutch part, and    the rotation force of the driving part is smaller than the friction force between the clutch part and the driven axis.    
     
     
         6 . The display rotation apparatus of  claim 6  , wherein the friction force between the clutch part and the driven axis is smaller than the cogging torque of the power part.  
     
     
         7 . The display rotation apparatus of  claim 1 , further comprising a distance detecting sensor attached to the moving body and configured to generate signal corresponding to the distance between the moving body and the fixed body.  
     
     
         8 . A display rotation apparatus, interposed between a fixed body and a moving body and rotating the moving body about the fixed body, the display rotation apparatus comprising: 
 plural joint parts coupled to the moving body;    plural arm parts, one end coupled to the joint part and the other end coupled to the fixed body, comprising a link member and a hinge member configured to joint act;    a driving part coupled to the hinge member and rotating the arm part, and    said joint part comprises    a first joint part coupled to the moving body;    a second joint part coupled to the moving body and separated from the first joint part; and    a third joint part coupled to the moving body at the position apart from a virtual straight line that links the first joint part and the second joint part, and    said arm part comprises    a first arm part coupled to the first joint part;    a second arm part coupled to the second joint part; and    a third arm part coupled to the third joint part.    
     
     
         9 . The display rotation apparatus of  claim 8 , wherein the rotation part comprises: 
 a tension member coupled to two points on the display opposite to each other about the rotation axis of the display;    a roller member configured to guide the path of the tension member; and    a motor part positioned on the path of the tension member and configured to apply a tensile force on the tension member.    
     
     
         10 . The display rotation apparatus of  claim 9 , wherein the motor part comprises: 
 a motor; and    a slip pulley coupled to the driving axis, and    the tension member is coupled to the slip pulley.    
     
     
         11 . The display rotation apparatus of  claim 8 , wherein the driving part comprises: 
 a power part generating rotation force; and    a rotation part receiving the rotation force from the power part, and    the rotation part comprises:    a rotating driving axis coupled to the power part;    a clutch part coupled to the driving axis; and    a driven axis contacting the clutch part, and    the rotation force of the driving part is smaller than the friction force between the clutch part and the driven axis.    
     
     
         12 . The display rotation apparatus of  claim 11 , wherein the friction force between the clutch part and the driven axis is smaller than the cogging torque of the power part.  
     
     
         13 . The display rotation apparatus of  claim 8  , further comprising a distance detecting sensor attached to the moving body and configured to generate signal corresponding to the distance between the moving body and the fixed body.  
     
     
         14 . A method of rotating the moving body, for a display rotation apparatus intervening between a fixed body and a moving body and rotating the moving body about the fixed body and comprising plural arm parts that one end coupled to the joint part and the other end coupled to the fixed body and comprising a link member and a hinge member configured to joint act, the method comprising: 
 receiving an input signal corresponding to the rotation amount of the moving body;    determining a base value by calculating rotation amount of each driving part that corresponds to distance and angle between a moving part and a fixed body from the input signal and generating control signals for driving parts; and    rotating each driving part of plural arm parts by receiving the control signal.    
     
     
         15 . The method of  claim 14 , wherein plural distance detecting sensors are attached to the moving body and configured to generate signal corresponding to the distance between the moving body and the fixed body, further comprising: 
 receiving the distance signal from the distance detecting sensor after rotating the driving part; and    stopping the rotation of each driving part, if the distance between the moving body and the fixed body meets the predetermined tolerance by processing the distance signal.    
     
     
         16 . The method of  claim 14 , further comprising: 
 determining a comparative value by measuring rotation amount the of the driving part after rotating the driving part;    rotating the driving part, if the difference between the comparative value and the base value exceeds the tolerance, by comparing the comparative value and the base value; and    stopping the rotation of the driving part when the difference between the comparative value and the base value meets the tolerance, by repetitively performing the rotating and the determining.