Title:
DEVICE AND METHOD FOR IMPROVING WEIGHING RELIABILITY
Document Type and Number:
WIPO Patent Application WO/2020/238757
Kind Code:
A1
Abstract:
A device and a method for improving weighing reliability comprises a light source (11) arranged on a side surface of a frame of weighing equipment (1) and used for projecting light beams (13) to the outside of the weighing equipment (1). The device also comprises an image capture device (12) arranged on the side surface on which the light source (11) is arranged and the image capture device (12) is used for capturing a projection image of the light beams (13) on a projection surface. The device further comprises an image processor used for validating whether the projection image is incomplete and thereby determining whether an object to be weighed overlaps the ground surface or the frame of the weighing equipment (1). The device and the method for improving weighing reliability can improve the application range of an exceeding detection and reliability in the weighing process.
Inventors:
WANG SHENHUI (CN)
WANG ZHIQIANG (CN)
ZHANG SONG (CN)
WANG ZHIQIANG (CN)
ZHANG SONG (CN)
Application Number:
PCT/CN2020/091605
Publication Date:
December 03, 2020
Filing Date:
May 21, 2020
Export Citation:
Assignee:
METTLER TOLEDO CHANGZHOU MEASUREMENT TECHNOLOGY LTD (CN)
METTLER TOLEDO CHANGZHOU PREC INSTRUMENTS LTD (CN)
METTLER TOLEDO INT TRADING SHANGHAI CO LTD (CN)
METTLER TOLEDO CHANGZHOU PREC INSTRUMENTS LTD (CN)
METTLER TOLEDO INT TRADING SHANGHAI CO LTD (CN)
International Classes:
G01G21/22; G01G21/28; G01G23/00
Foreign References:
| CN209841170U | 2019-12-24 | |||
| CN108656150A | 2018-10-16 | |||
| CN207816432U | 2018-09-04 | |||
| CN208383271U | 2019-01-15 | |||
| CN108663688A | 2018-10-16 | |||
| JP5588153B2 | 2014-09-10 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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