发明授权
- 专利标题: Low bobbin thread detector
- 专利标题(中): 低底线检测器
-
申请号: US229389申请日: 1988-08-08
-
公开(公告)号: US4825789A公开(公告)日: 1989-05-02
- 发明人: Stephen A. Garron , John N. Wurst
- 申请人: Stephen A. Garron , John N. Wurst
- 申请人地址: CT Shelton
- 专利权人: SSMC Inc.
- 当前专利权人: SSMC Inc.
- 当前专利权人地址: CT Shelton
- 主分类号: D05B59/02
- IPC分类号: D05B59/02 ; D05B45/00
摘要:
An optical low bobbin thread detector is disclosed utilizing particularly cost effective matrixed light emitting diodes for bobbin thread detection and alarm, and virtually eliminating false alarms by employing a system requiring detection of a predetermined number of successive valid low bobbin thread detections to justify actuation of the alarm.
公开/授权文献
信息查询