公开(公告)号：AU2014202603B2

公开(公告)日：2015-07-09

申请号：AU2014202603

申请日：2014-05-13

Applicant: APPLE INC

Inventor： AMM DAVID T ,  SCHLUB ROBERT W ,  LEUNG OMAR S ,  KING BRIAN M ,  LI QINGXIANG ,  AYALA VAZQUEZ ENRIQUE ,  GOMEZ ANGULO RODNEY ANDRES ,  JIANG YI ,  CABELLERO RUBEN

IPC: H01Q1/38

Abstract: An electronic device may have a housing in which an antenna is mounted. An antenna window may be mounted in the housing to allow radio-frequency signals to be transmitted from the antenna and to allow the antenna to receive radio-frequency signals. Near-field radiation limits may be satisfied by reducing transmit power when an external object is detected in the vicinity of the dielectric antenna window and the antenna. A capacitive proximity sensor may be used in detecting external objects in the vicinity of the antenna. The proximity sensor may have conductive layers separated by a dielectric. A capacitance-to-digital converter may be coupled to the proximity sensor by inductors. The capacitive proximity sensor may be interposed between an antenna resonating element and the antenna window.

公开(公告)号：AU2014202603A1

公开(公告)日：2014-06-26

申请号：AU2014202603

申请日：2014-05-13

Applicant: APPLE INC

Inventor： AMM DAVID T ,  SCHLUB ROBERT W ,  LEUNG OMAR S ,  KING BRIAN M ,  LI QINGXIANG ,  AYALA VAZQUEZ ENRIQUE ,  GOMEZ ANGULO RODNEY ANDRES ,  JIANG YI ,  CABELLERO RUBEN

IPC: H01Q1/38

Abstract: An electronic device may have a housing in which an antenna is mounted. An antenna window may be mounted in the housing to allow radio-frequency signals to be transmitted from the antenna and to allow the antenna to receive radio-frequency signals. Near-field radiation limits may be satisfied by reducing transmit power when an external object is detected in the vicinity of the dielectric antenna window and the antenna. A capacitive proximity sensor may be used in detecting external objects in the vicinity of the antenna. The proximity sensor may have conductive layers separated by a dielectric. A capacitance-to-digital converter may be coupled to the proximity sensor by inductors. The capacitive proximity sensor may be interposed between an antenna resonating element and the antenna window.