SCHALTUNGSANORDNUNG FUER EINE POSITIONSMESSEINRICHTUNG.
摘要
At least one sensing photo-element (P3) of the position measurement arrangement has at least one transition time element (23,33) connected after it. The first transition time element (23) contains an amplifier (V) and may have a further transition time element (33) connected after it. The transition time elements are in the form of low pass filters with RC networks. Measurement divisions are detected photoelectrically as the detector is moved relative to them and whilst being illuminated. The illuminating light is modulated. The received modulated light is converted into an electrical signal for evaluation.
申请公布号
DE3778235(D1)
申请公布日期
1992.05.21
申请号
DE19873778235
申请日期
1987.05.26
申请人
DR. JOHANNES HEIDENHAIN GMBH, 8225 TRAUNREUT, DE
发明人
SCHMITT, ING. (GRAD.), WALTER, W-8225 TRAUNREUT, DE;ZACEK, JOHANN, W-8091 EVINHAUSEN, DE