Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Reexamination Certificate
2006-07-06
2008-09-02
Lobo, Ian J (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
C367S087000, C367S909000, C073S649000, C073S653000
Reexamination Certificate
active
07420876
ABSTRACT:
An obstacle sensor includes: a supersonic sensor for detecting an obstacle in a first range, the supersonic sensor including a substrate, a transmission device and a reception device disposed on the substrate; a detection element for detecting the obstacle in a second range; and a case. The reception device includes multiple reception elements. At least a part of the first range of the supersonic sensor is different from the second range of the detection element. The supersonic sensor and the detection element are disposed in the case.
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DENSO CORPORATION
Lobo Ian J
Posz Law Group , PLC
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