Method for monitoring quality of yarn by electronic yarn cleaner and detector for carrying out the method
US9255889B2 · kind B2 · utility
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4References
5Claims
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Key dates
| Filing date | Jul 16, 2014 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | Jul 16, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/8444
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and sensor are provided for monitoring the quality of yarn by an electronic cleaner of yarn by means of an optical detector having a sensor with one or two rows of individual optical elements that are rectangular-shaped and have analog outputs. Each of the optical elements has a photodiode and an amplifier of its output signal. The amplifier has a variable amplification, whose size is modified according to the required sensitivity of a respective optical element to light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.