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High voltage mems, and a portable ultrasound device comprising such a mems

An ultrasonic device, portable technology, used in other nursing equipment, ultrasonic/sonic/infrasonic diagnosis, circuits, etc.

Inactive Publication Date: 2017-02-22
NOVIOSCAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Current MEMS require high voltage

Method used

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  • High voltage mems, and a portable ultrasound device comprising such a mems
  • High voltage mems, and a portable ultrasound device comprising such a mems
  • High voltage mems, and a portable ultrasound device comprising such a mems

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Embodiment Construction

[0042] The invention relates in a first aspect to a high voltage MEMS as claimed in claim 13 .

[0043] Microelectromechanical systems (MEMS) involves the technology of very small devices; it includes nanoscale nanoelectromechanical systems (NEMS) and nanotechnology. MEMS is also known as micromachine or microsystem technology. Typically, MEMS are composed of components ranging in size from 1 micron to 5000 microns (ie, 0.001 mm to 5 mm), and MEMS devices typically range in size from 20 microns to one millimeter. They usually consist of a central unit (microprocessor) that processes data and several components (such as microsensors) that interact with the surroundings.

[0044] Piezoelectricity involves, in one aspect, the accumulation of charge in certain solid materials in response to applied mechanical stress. The word piezoelectric refers to electricity generated by pressure. The piezoelectric effect in its optimal form may involve a linear electromechanical interaction...

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PUM

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Abstract

The present invention is in the field of improved high voltage MEMS, and a portable ultrasound device comprising such a MEMS, and use of such a portable device for detecting a liquid volume in a bladder. The portable ultrasound device uses at least two stacked piezoelectric elements that are poled in a same direction, and are overlying a cavity, absorbing layer or a quarter-wavelength reflecting layer.

Description

technical field [0001] The present invention is in the field of improved high voltage MEMS, portable ultrasound devices including such MEMS, and the use of such portable devices for detecting liquid volumes. Background technique [0002] Many people such as the elderly, women after childbirth, those with disease, people with dementia, and others have difficulty controlling bladder function and having difficulty getting to the toilet in time to urinate. Such (partial) incontinence is very inconvenient and would also be a completely unresolved item. Solutions to this incontinence involve applications such as diapers. However, this is only effective in limiting the consequences of incontinence without providing a real solution, and still does not prevent bad smell, wet pants / clothes. This solution also costs considerable money. [0003] Ultrasound is an oscillating sound pressure wave (hence ultra-sonic) whose frequency is greater than the upper limit of the human hearing ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/00A61F5/48A61B5/20H01L41/083H01L41/09B06B1/06H10N30/20H10N30/30H10N30/50H10N30/80H10N30/853H10N30/87
CPCA61B5/202A61B8/4227A61B8/4236A61B8/4472A61B8/4477A61B8/4494A61F5/48B06B1/0603A61B2562/028H10N30/2041H10N30/50H10N30/2042H10N30/302H10N30/802H10N30/871H10N30/2047H10N30/8542H10N30/8554A61B5/204A61B8/08A61B8/4427A61B8/5207
Inventor J·J·科宁R·沃尔特
Owner NOVIOSCAN