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Patent No. 6295668

Maternity Beach Chair

A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.

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Class 367/168 - Magnetostrictive


Subclass of Class 367 - Communications, electrical: acoustic wave systems and devices
Definition: Subject matter wherein the acoustic wave energy causes or
No. of applications: 2
Last issue date: 11/12/2009


Application No.Application TitleIssue Date
20090279391APPARATUS FOR MEASURING PRESSURE IN A VESSEL USING MAGNETOSTRICTIVE ACOUSTIC TRANSDUCER
The present invention relates to an apparatus for measuring pressure inside a vessel using a magnetostrictive acoustic transducer. The apparatus includes a magnetostrictive acoustic transducer, including an exciting coil unit wound on a first magnetization yoke disposed... 		11/12/2009
20090257317Macrosonic Generator for the Air-Based Industrial Defoaming of Liquids
This invention refers to a sonic and/or ultrasonic generator for emission in air with a power capacity and certain radiation characteristics which permit the necessary acoustic levels (>170 dB ref. 2·10−4 μbar) to be obtained in a way that is safe and ... 		10/15/2009
 
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