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US-2024395262-A1 · Nov 28, 2024 · US
Air-coupled ultrasonic sensor
US9105835B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9105835-B2 |
| Application number | US-201013822308-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 10, 2010 |
| Priority date | Dec 10, 2010 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
Official abstract text for this publication.
An air-coupled ultrasonic sensor capable of changing setting of an output sound pressure or an ultrasonic wave propagation distance depending on a use application, an installation site, or the like, with a simple structure. An air-coupled ultrasonic sensor includes: a closed-end cylindrical case including an opening portion at one end in its axial direction and a bottom surface at another end; a piezoelectric oscillator firmly fixed onto an inner bottom surface of the closed-end cylindrical case; an open-end cylindrical case including opening portions at both ends in its axial direction; and a thin film firmly fixed on one of the opening portions at one end of the open-end cylindrical case. The open-end cylindrical case is fitted to the closed-end cylindrical case, and includes a structure capable of moving along a side wall of the closed-end cylindrical case.
First claim
Opening claim text (preview).
The invention claimed is: 1. An air-coupled ultrasonic sensor, comprising: a closed-end cylindrical case including an opening portion at one end in its axial direction and a bottom surface at another end; a piezoelectric oscillator firmly fixed onto an inner bottom surface of the closed-end cylindrical case; an open-end cylindrical case including opening portions at both ends in its axial direction; and a thin film firmly fixed on one of the opening portions at one end of th…
Assignees
Inventors
Classifications
- G10K9/122Primary
Physics · mapped topic
Physics · mapped topic
- H01L41/053Primary
Electricity · mapped topic
- H10N30/88Primary
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9105835B2 cover?
- An air-coupled ultrasonic sensor capable of changing setting of an output sound pressure or an ultrasonic wave propagation distance depending on a use application, an installation site, or the like, with a simple structure. An air-coupled ultrasonic sensor includes: a closed-end cylindrical case including an opening portion at one end in its axial direction and a bottom surface at another end; …
- Who is the assignee on this patent?
- Ibata Koji, Kimura Tomonori, Inoue Satoru, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G10K9/122. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).