Invention Grant
- Patent Title: Cigarette filter inspection method, cigarette filter inspection apparatus, and cigarette filter inspection program
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Application No.: US16899232Application Date: 2020-06-11
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Publication No.: US11514566B2Publication Date: 2022-11-29
- Inventor: Takuya Otokawa , Kazumasa Arae
- Applicant: JAPAN TOBACCO INC.
- Applicant Address: JP Tokyo
- Assignee: JAPAN TOBACCO INC.
- Current Assignee: JAPAN TOBACCO INC.
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Main IPC: G06T7/00
- IPC: G06T7/00 ; G06T7/13 ; G06T7/50 ; G06T7/62 ; A24C5/34 ; A24D3/02 ; A24D3/04 ; G01B11/24 ; A47K3/16 ; A01J25/11 ; G01N21/88
Abstract:
A cigarette filter inspection method of inspecting a solid flavor element to be disposed in a void between two filter plugs placed in outer filter wrapper, and the cigarette filter inspection method includes an illumination step of irradiating the void with illumination light, an imaging step of obtaining an inspection image of a region containing the void, a filler detection step of detecting the flavor element based on contrast between the void and the flavor element in the inspection image, and an inspection step of inspecting the flavor element detected in the inspection image.
Public/Granted literature
Information query
