Patent ID: 6509841
Filing Date: 2003-01-21
Classification: G01D,G08C,H02J,H04M,H04Q,Y02B,Y02E,Y04S

Abstract:
A remote two-way communication system comprising:a relay having a code-division multiple access (CDMA) communication link for carrying data; at least one servicing device for measuring a local parameter, and for transmitting data over said CDMA communication link to said relay in response to said measurement, and for receiving data over said CDMA communication link from said relay; and a control device for receiving over said CDMA communication link from said relay data transmitted by said at least one servicing device corresponding to said measurement of said local parameter, said control device further for transmitting over said CDMA communication link to said relay data received by said at least one servicing device including instructions for said at least one servicing device to measure said local parameter, whereby data is transmitted in two directions between said at least one servicing device and said control device by being passed through said relay.