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Patent Searching and Data


Title:
AUTOMATIC ANALYSIS DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/176227
Kind Code:
A1
Abstract:
Provided is an automatic analysis device provided with a liquid level sensing function whereby liquid levels in sample containers having various heights can be precisely detected using ultrasonic waves. This device is provided with: a conveyance rack 22 for conveying a sample container which contains a sample and is loaded thereon; a fixed ultrasonic distance sensor 200 for measuring the liquid level position in the sample container loaded on the conveyance rack; sound wave guides 204, 205 for suppressing diffusion of sound waves transmitted from the ultrasonic distance sensor, the sound wave guides 204, 205 being disposed between the sample container and the ultrasonic distance sensor; and a sound wave guide control unit for adjusting the length or switching the length of the sound wave guides in accordance with the distance between the ultrasonic distance sensor and the sample container.

Inventors:
HORIE Yosuke (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
YOSHIMURA Yasuhiro (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
KAZAMA Atsushi (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
ISHIZAWA Masato (24-14 Nishi Shimbashi 1-chome, Minato-k, Tokyo 17, 〒1058717, JP)
YAMAMOTO Satoru (24-14 Nishi Shimbashi 1-chome, Minato-k, Tokyo 17, 〒1058717, JP)
Application Number:
JP2018/047705
Publication Date:
September 19, 2019
Filing Date:
December 26, 2018
Export Citation:
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Assignee:
HITACHI HIGH-TECHNOLOGIES CORPORATION (24-14, Nishi Shimbashi 1-chome Minato-k, Tokyo 17, 〒1058717, JP)
International Classes:
G01N35/10
Foreign References:
JP2000321289A2000-11-24
JP2001074753A2001-03-23
JPH09127137A1997-05-16
JP2016186429A2016-10-27
JPH09184716A1997-07-15
JPH095141A1997-01-10
JP2015087265A2015-05-07
JP2015175795A2015-10-05
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (Atago Green Hills MORI Tower 32F, 5-1 Atago 2-chome, Minato-k, Tokyo 32, 〒1056232, JP)
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