Patent ID: 7991372

Claim:
A receiver comprising a first receiving unit and a second receiving unit for diversity-receiving a signal of a radio frequency, the first receiving unit including: a first mixer for converting the received signal of the radio frequency into an IF signal of a first intermediate frequency by an upper local method using a local signal of a first frequency higher than the radio frequency; and a first filter coupled to an output side of the first mixer, the second receiving unit including: a second mixer for converting the received signal of the radio frequency into an IF signal of a second intermediate frequency by a lower local method using a local signal of a second frequency lower than the radio frequency; and a second filter coupled to an output side of the second mixer, the receiver further comprising, a detecting unit for detecting reception quality of a signal received by the first receiving unit and reception quality of a signal received by the second receiving unit; and a switching circuit for switching the first receiving unit from an upper-local-type frequency converting method to a lower-local-type frequency converting method, and switching the second receiving unit from the lower-local-type frequency converting method to the upper-local-type frequency converting method, based on the detection result by the detecting unit.