Welding condition monitoring device

A welding condition monitoring device for monitoring the welding state of a welding work portion by taking an image thereof by an image sensor having a wide dynamic range and capable of taking an image covering a very bright welding portion and relatively dark portion. The monitoring device selectiv...

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Main Authors KIRITA JIRO, ODA KOJI, WATANABE HIRONORI, OTSUKA KEIJI, FURUKAWA MAKOTO, FUEKI NOBUHIRO, SEKI HIDEO, SHINOTSUKA SUKEYUKI
Format Patent
LanguageEnglish
Published 03.06.2008
Subjects
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Abstract A welding condition monitoring device for monitoring the welding state of a welding work portion by taking an image thereof by an image sensor having a wide dynamic range and capable of taking an image covering a very bright welding portion and relatively dark portion. The monitoring device selectively emphasizes the outputs of the image sensor for any of luminance areas of the image taken by the image sensor using a sensor output characteristic table and can provide an image clearly showing both the very bright welding portion and the dark bead portion with a sufficient contrast allowing an observer to reliably recognize the objects in the image.
AbstractList A welding condition monitoring device for monitoring the welding state of a welding work portion by taking an image thereof by an image sensor having a wide dynamic range and capable of taking an image covering a very bright welding portion and relatively dark portion. The monitoring device selectively emphasizes the outputs of the image sensor for any of luminance areas of the image taken by the image sensor using a sensor output characteristic table and can provide an image clearly showing both the very bright welding portion and the dark bead portion with a sufficient contrast allowing an observer to reliably recognize the objects in the image.
Author FUEKI NOBUHIRO
ODA KOJI
OTSUKA KEIJI
KIRITA JIRO
SEKI HIDEO
WATANABE HIRONORI
SHINOTSUKA SUKEYUKI
FURUKAWA MAKOTO
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– fullname: FUEKI NOBUHIRO
– fullname: SEKI HIDEO
– fullname: SHINOTSUKA SUKEYUKI
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Snippet A welding condition monitoring device for monitoring the welding state of a welding work portion by taking an image thereof by an image sensor having a wide...
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SubjectTerms CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
Title Welding condition monitoring device
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