Patent ID: 9632172
Date: 2017-04-25
CPC Classifications: A61B,G01S

Claim:
1. A detection device for detecting an OUD (Object Under Detection), comprising: a first antenna element; a second antenna element; a first transceiver, having a first transmission port and a first reception port; a second transceiver, having a second transmission port and a second reception port; a first circulator, coupled to the first reception port, the second transmission port, and the first antenna element; and a second circulator, coupled to the first transmission port, the second reception port, and the second antenna element; wherein the first transceiver transmits a first electromagnetic signal through the second circulator and the second antenna element to the OUD, and then receives a first reflective signal through the first antenna element and the first circulator from the OUD; wherein the second transceiver transmits a second electromagnetic signal through the first circulator and the first antenna element to the OUD, and then receives a second reflective signal through the second antenna element and the second circulator from the OUD.