|
| US4163158 | 25. Apr. 1978 | 31. Juli 1979 | The Singer Company | Sewing machine bobbin thread run-out alarm using reflected light |
| US4188545 | 14. Aug. 1978 | 12. Febr. 1980 | Imperial Chemical Industries Limited | Yarn processing, method and apparatus |
| US4188902 | 18. Mai 1979 | 19. Febr. 1980 | The Singer Company | Bobbin thread run-out detectors |
| US4217492 | 17. Juli 1978 | 12. Aug. 1980 | Banner Engineering Corp. | Modular photoelectric switch |
| US4276910 | 22. Febr. 1980 | 7. Juli 1981 | Gebruder Loepfe AG | Photoelectrical bobbin feeler |
| US4866289 | 9. Sept. 1986 | 12. Sept. 1989 | Murata Kikai Kabushiki Kaisha | Winding-form inspecting apparatus for wound-yarn packages |
| US5118958 | 15. März 1990 | 2. Juni 1992 | Murata Kikai Kabushiki Kaisha | Apparatus for detecting residual yarn |
| US5142159 | 21. Dez. 1990 | 25. Aug. 1992 | W. Schlafhorst AG & Co. | Method and apparatus for volume or size detection of a yarn package and for deriving confined control processes therefrom |
| US5212389 | 3. Apr. 1992 | 18. Mai 1993 | W. Schlafhorst AG & Co. | Apparatus for recognizing residual yarn remaining on textile bobbins after unwinding utilizing a sensing device comprising a photooptic detector with a receiver lens |
| US5247184 | 3. Apr. 1992 | 21. Sept. 1993 | Wardwell Braiding Machine Company | Photoelectric bobbin sensor with retroreflective filament presence detection |