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222                                             12  Design Methodology

                            box.  today”           as       be  surface,
                        biology  alarm             taken   far  keep  shall  distance (for the  (the  sight  (continued)

                        cute  the  it.”  reminding  times  is  to  surface  table  limitation  history
                        and  hides  keep           which   users  the  and  process),
                      screen  bells,  please  “no more  undefined)  screen,  setting. cm from eyes to screen. [It is pointed by “Children  for  screen  body  distance
                      the  reminding  automatically  and  choose  2,  (1,  the  distance  suggested  the  upper  close  detection
                      to      distance,    of      on      is  and Add concrete concept descriptive  distance)
                      close  system  to  function  min  reflected  customized  (it  the  Over  the
                      over  individualized  the  suitable  users  for  1  within  is  area  courseware),  between  following:  from  sight
                      avoid  state,  the  allowed  protection  screen  and  screen  video  distance  quit  to  past  the

                      to    up  is         reminding  reminding  the  distance Eyes and Sight Protective Technical Standard” that the distance between eyes and various electric product  the  as  distance:  the distance set by the user is much too close, belonging to invalid setting); It is suggested to adjust the range  apply
                      screen,  reminding;  pop  in  “It  that  is  it  distance  optional  elfin  and  of  such  fist  a  includes  available
                      and  up  range  day,  each  sight  s  1–60  repeated  of  user  recommended  diagonal  functions  of eyes.][Sight  keeping  is  (it  directly
             Part)  remarks  eyes  pops  system  suitable  reminding  the  on  the  alarm;  set  to  sound  with  the  of  eyes  the  of  cm,  distance  sight  detection  to  choose

             (Upper  and explanation  between distance  the distance,  a  to  adjusts  gives  it  time,  of reminding  enable/disable  to  giving  for  available  is  blinks,  light  the  between  including  users, 1. According to the data, it is better to keep at least 30  times  5–7  full-screen  using  lower than the height  30–40  of  rule  r



             System  Functional  the Supervise  close  With  method reminding  user  the  After  same  the  At  times  three  After  available  is  It  time  lasting  The  it example,  For  indicator  The  distance  The  for reference  generally  is  screen  when  distance  slightly  a  like  distance  etc.)]  Customized  2.  conduct  and  is  (i



             Protective  have  have  have  have  to  have  to  have  to  have  to  have  to  have  to  have  to




             Use  Significance  Must  Must  Must  Suggest  Suggest  Suggest  Better  Better  Better  Suggest

             Eye            distance       frequency  method
             of   second-level  hiding  reminding  distance  switch  Delay reminding setting  distance
             List  The  functions  Reasonable  automatic  more  No  Sight  protection  Reminding  setting  Reminding  setting  Protection  setting

             Function  first-level  alarm  distance  setting




             6:   The  functions  Distance  Sight  protection
             Appendix  Module  Sight  distance  protection
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