Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2005-10-25
2005-10-25
Ferguson, Keith (Department: 2683)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S502000, C455S403000, C455S422100, C455S550100, C368S013000, C368S046000, C368S047000
Reexamination Certificate
active
06959198
ABSTRACT:
This invention provides a network system and a information communicating device has a time correction ability, wherein a built-in clock of each of the plural devices connected with a communication network is capable of being corrected using a GPS time data without raising a processing load of a receiving device of the GPS data.In this system a car navigation device12receives a data from a GPS satellite, extracts a time data from the received data and transmits the time data attached with a time required within the device itself to a portable telephone in a form of an E-mail. The portable telephone that received the time data from the car navigation device corrects its own time generating means, and transmits the time data with attaching a required time for processing within the portable telephone. In this way, the time data attached with the required time for processing within each corresponding device is transmitted to a following device one by one.
REFERENCES:
patent: 5416808 (1995-05-01), Witsaman et al.
patent: 5712867 (1998-01-01), Yokev et al.
patent: 6542754 (2003-04-01), Sayers et al.
patent: 2001/0012791 (2001-08-01), Miyake et al.
patent: 2002/0007453 (2002-01-01), Nemovicher
Ferguson Keith
Sughrue & Mion, PLLC
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