Vehicle-mounted radio wave radar
First Claim
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1. A vehicle-mounted radio wave radar, comprising:
- transmitting/receiving section for transmitting and receiving a radio signal;
signal processing section for processing the radio signal transmitted and received by said transmitting/receiving section;
an electrically conductive housing for accommodating said signal processing section therein;
an electrically conductive member supporting said transmitting/receiving section and disposed so as to close an opening of said electrically conductive housing, and electrically connected to said electrically conductive housing; and
an insulating member for inhibiting direct current from passing through said insulating member, wherein said electrically conductive housing is connected to a vehicle body through at least said insulating member, ground of said transmitting/receiving section and said signal processing section being electrically connected to at least said electrically conductive housing or said electrically conductive member.
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Abstract
An antenna base, a control circuit section, and a high-frequency circuit section are enclosed in an inner space defined by a housing and a radome. Inside this inner space, the control circuit section and the high-frequency circuit section are surrounded by the antenna base and the housing. A circuit GND common to the control circuit section and the high-frequency circuit section is electrically connected to the antenna base and the housing, and it is connected to a body GND through only capacitive impedance.
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Citations
1 Claim
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1. A vehicle-mounted radio wave radar, comprising:
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transmitting/receiving section for transmitting and receiving a radio signal;
signal processing section for processing the radio signal transmitted and received by said transmitting/receiving section;
an electrically conductive housing for accommodating said signal processing section therein;
an electrically conductive member supporting said transmitting/receiving section and disposed so as to close an opening of said electrically conductive housing, and electrically connected to said electrically conductive housing; and
an insulating member for inhibiting direct current from passing through said insulating member, wherein said electrically conductive housing is connected to a vehicle body through at least said insulating member, ground of said transmitting/receiving section and said signal processing section being electrically connected to at least said electrically conductive housing or said electrically conductive member.
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Specification