Invention Grant
- Patent Title: Freshness estimation method, freshness estimation apparatus, and non-volatile recording medium
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Application No.: US15361765Application Date: 2016-11-28
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Publication No.: US09726599B2Publication Date: 2017-08-08
- Inventor: Yumi Wakita , Jun Ozawa , Naoshi Kondo , Yuuichi Ogawa , Tetsuhito Suzuki
- Applicant: Panasonic Corporation
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2014-101797 20140515; JP2015-012811 20150126
- Main IPC: G01N21/00
- IPC: G01N21/00 ; G01N21/31 ; G01J3/42 ; G01N33/12 ; G01N21/84 ; G08B21/18
Abstract:
A freshness estimation method includes obtaining an absorbance spectrum that is obtained by irradiating an eye of a fish with light having all or part of a wavelength band from 315 nm to 450 nm; and estimating freshness of the fish by using a shape of the obtained absorbance spectrum.
Public/Granted literature
- US20170074784A1 FRESHNESS ESTIMATION METHOD, FRESHNESS ESTIMATION APPARATUS, AND NON-VOLATILE RECORDING MEDIUM Public/Granted day:2017-03-16
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