[Patent application number] 20140378052 [Published] 12-25-2014 [Description] 
COMMUNICATION APPARATUS, CONTROL METHOD FOR COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, AND PROGRAM - A communication apparatus includes a communication unit configured to communicate in a first communication mode in which a memory of the communication apparatus is accessed by another communication apparatus, a detection unit configured to detect an access from the another communication apparatus to the memory of the communication apparatus, and a shift unit configured to shift an operation mode of the communication apparatus in response to a condition including at least the access to the memory detected by the detection unit.