Yarn package inspecting apparatus
AssigneeMurata Kikai Kabushiki Kaisha
InventorsKenichi Inada, Akihiko Takeshita, Tetsuji Masai
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Abstract
A package inspecting apparatus including a yarn end processing section for exerting suction air on the surfaces of packages while rotating trays on a running passage for trays on which packages are fitted, a package inspecting section in which a plurality of optical type package winding-form inspection devices are received in a dark room, and a weighing section provided with a weight measuring unit, the sections being arranged in series in the above order are integrated.
Claims3
A yarn package inspecting apparatus, the yarn package defining an end and a longitudinal axis, the inspecting apparatus comprising:
- support means for rotatably supporting the yarn package,
- light means for irradiating light onto the end of the yarn package, the light extending radially from the longitudinal axis of the yarn package,
- line sensor means for detecting light reflected by one of an off lease winding and a ribbon winding,
- coding circuit means for binary-coding output information from the line sensor means,
- calculation means for calculating a parabolic representation of the binary-coded line sensor information, and
- comparator means for comparing a portion of the parabolic representation with a predetermined portion value.
Dependencies are inferred from the claim text.