6405252 is an expired hp patent and is not about the heading listed:https://patents.google.com/patent/US6405252B1/en?oq=*U.S.+Patent+No.+6%2c405%2c252 however, remember the patent for other smartphone network connectivity? 371............off loading to your home pc........thinking proximity of pc to mobile phone and uwb connectivity for security /identity signons. google and msft seem to be working on such.