US Patent No. 9,319,983

COMMUNICATION APPARATUS AND CONTROL METHOD THEREFOR


Patent No. 9,319,983
Issue Date April 19, 2016
Title Communication Apparatus And Control Method Therefor
Inventorship Tomokazu Yamaki, Kawasaki (JP)
Assignee CANON KABUSHIKI KAISHA, Tokyo (JP)

Claim of US Patent No. 9,319,983

1. A communication apparatus comprising:
a communication unit configured to wirelessly communicate with another communication apparatus in an awake state, and not
to wirelessly communicate with the other communication apparatus in a doze state; and

a determination unit configured to determine a keep period corresponding to a predetermined percentage of a transmission cycle
of a beacon signal transmitted by the other communication apparatus, the keep period indicating a period to keep the awake
state in one transmission cycle of the beacon signal,

wherein (a) the communication unit transits from the doze state to the awake state in accordance with reception timing of
the beacon signal, (b) the awake state of the communication unit is kept for the determined keep period, and (c) if the determined
keep period elapses, the communication unit transits from the awake state to the doze state.