Communication system and portable machine

摘要

A communication system includes a portable machine having an identification code registered in a controlled object, the portable machine being capable of conducting wireless communications with the controlled object, and a portable terminal being capable of conducting noncontact wireless communications with the portable machine, wherein after noncontact wireless communications start between the portable machine and the portable terminal, the noncontact wireless communications are inhibited when a predetermined condition is satisfied, and then do not resume unless a specified instruction is given.

主权项

1. A communication system comprising:
a portable machine having an identification code registered in a controlled object, wherein the portable machine conducts wireless communications with the controlled object: and a portable terminal that conducts noncontact wireless communications with the portable machine, wherein the portable terminal includes:
a first transmission unit transmitting a first signal to the portable machine; anda first reception unit receiving a second signal from the portable machine, the portable machine includes:
a second reception unit receiving the first signal which the first transmission unit has transmitted;a control unit controlling generation of the second signal, in relation to the first signal which the second reception unit has received; anda second transmission unit transmitting the second signal generated by the control unit to the first reception unit of the portable terminal, wherein after noncontact wireless communications start between the portable machine and the portable terminal, the noncontact wireless communications are inhibited by inhibiting the first transmission unit from transmitting the first signal, in a case where the noncontact wireless communications are successfully established a prescribed number of times or more within a predetermined period, in a case where the noncontact wireless communications stay established over a predetermined period or longer, or in a case where a user does not operate the portable terminal over a predetermined period or longer, and then do not resume unless any user's operation to the portable terminal is given, or unless a phone call for the portable terminal is given.