Ultrasonic sensor
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsHiroshi Urase, Yasusi Nagano
Life of this patent
Estimating the term…
Abstract
An ultrasonic sensor includes a transceiver device for transmitting and receiving ultrasonic waves; a circuit board mounted with an electronic circuit processing ultrasonic signals transmitted and received through the transceiver device; a housing including a device storing portion storing the transceiver device, a board storing portion storing the circuit board and a communication hole for bringing the device storing portion and the board storing portion into communication with each other, the board storing portion having an opening; and an electric connection unit extending through the communication hole to electrically interconnect the transceiver device and the circuit board. A cover member is installed in the opening of the board storing portion to hermetically seal the board storing portion.
Claims25
An ultrasonic sensor, comprising:
- a transceiver device for transmitting and receiving ultrasonic waves;
- a circuit board mounted with an electronic circuit processing ultrasonic signals transmitted and received through the transceiver device;
- a housing including a device storing portion storing the transceiver device, a board storing portion storing the circuit board and a communication hole for bringing the device storing portion and the board storing portion into communication with each other, the board storing portion having an opening;
- an electric connection unit extending through the communication hole to electrically interconnect the transceiver device and the circuit board;
- a cover member installed in the opening of the board storing portion to hermetically seal the board storing portion;
- and
- a seal plate closing the communication hole, the seal plate having a passage hole through which the electric connection unit extends,
- wherein the board storing portion is not filled with a filler material.
An ultrasonic sensor, comprising:
- a transceiver device for transmitting and receiving ultrasonic waves;
- a circuit board mounted with an electronic circuit for processing ultrasonic signals transmitted and received through the transceiver device;
- a housing including a device storing portion storing the transceiver device, a board storing portion storing the circuit board and a communication hole for bringing the device storing portion and the board storing portion into communication with each other, the board storing portion having an opening;
- and
- an electric connection unit extending through the communication hole to electrically interconnect the transceiver device and the circuit board, the circuit board having a surface coated with an insulating material,
- wherein the board storing portion is not filled with a filler material.
Dependencies are inferred from the claim text.