Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2007-10-30
2007-10-30
Orgad, Edan (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S013100
Reexamination Certificate
active
10715565
ABSTRACT:
A time-matching system includes a first terminal device and a communications relay device relaying communications between the first terminal device and a second terminal device on a wireless communications network. The first terminal device receives a GPS-data from a GPS satellite, executes a first correction procedure on a satellite time-data of the GPS data to generate a first time-data, and transmits the first time-data to the communications relay device. The communications relay device receives the first time-data, executes an intermediate correction procedure on the first time-data to generate an intermediate time-data, and transmits the intermediate time-data to the second terminal device. The first correction procedure is based on a time delay in communications between the GPS satellite and the first terminal device. The intermediate correction procedure is based on a time delay in communications between the first terminal device and the communications relay device.
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Japanese Office Action dated Apr. 28, 2005 (and English translation of relevant portion).
Kobayashi Yoshikazu
Shiota Shinsuke
Dickstein , Shapiro, LLP.
NEC Infrontia Corporation
Safaipour Bobbak
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