Patent ID: 8130109

Claim:
An information accessing system to access information stored on an information apparatus using a reading/writing apparatus communicable therewith, the information accessing system comprising: the reading/writing apparatus including at least the following, a first transmitter to wirelessly transmit a data request signal to the information apparatus and transmit a flag set request, and a first receiver to wirelessly receive a response signal from the information apparatus and to receive detected data; and the information apparatus including at least the following, a second receiver to wirelessly detect and receive the data request signal, a second transmitter to wirelessly transmit the response signal in response to the data request signal, a reader to acquire, from a sensor, detected data indicative of one of a physical quantity and a physical state, a memory to store the detected data acquired by the reader, a power switch having an ON state and an OFF state to selectively connect or disconnect power from a power supply to the information apparatus, and a controller; the controller being operative to do at least the following, start the reader at a desired recurring timing, store the detected data acquired by the reader into the memory, set a flag to a first state when the detected data is stored into the memory, start the second receiver according to the desired recurring timing, cause the second transmitter to transmit the detected data stored in the memory if the second receiver receives the data request signal, invoke an alarm if the flag is in the first state and the power switch is in the OFF state, set the flag to a second state if the second receiver has received the flag set request, and control the power switch to disconnect power from the power supply to the information apparatus if the flag is in the second state and the power switch is in the OFF state.