Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1987136495UpriorityCriticalpatent/JPH0452584Y2/ja
Publication of JPS6441819UpublicationCriticalpatent/JPS6441819U/ja
Application grantedgrantedCritical
Publication of JPH0452584Y2publicationCriticalpatent/JPH0452584Y2/ja
Optical encoder having a no track portion of an optical scale being placed at a position symmetrical to a light non-transparent portion within an irradiation region of incident light
Optical encoder having a no track portion of an optical scale being placed at a position symmetrical to a light non-transparent portion within an irradiation region of incident light
