Combined photoelectric and contact digital tachometer
Description
FIG. 1 is a front, right side and bottom perspective view of a combined photoelectric and contact digital tachometer showing my new design;
FIG. 2 is a right side elevational view;
FIG. 3 is a left side elevational view;
FIG. 4 is a bottom plan view;
FIG. 5 is a top plan view;
FIG. 6 is a front elevational view; and
FIG. 7 is a rear elevational view thereof.
Referenced Cited
Patent History
Patent number: D317417
Type: Grant
Filed: Aug 18, 1988
Date of Patent: Jun 11, 1991
Inventor: Dong-Chang Lin (Taipei, Taiwan)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorneys: Morton J. Rosenberg, David I. Klein
Application Number: 7/233,609
Type: Grant
Filed: Aug 18, 1988
Date of Patent: Jun 11, 1991
Inventor: Dong-Chang Lin (Taipei, Taiwan)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorneys: Morton J. Rosenberg, David I. Klein
Application Number: 7/233,609
Classifications
Current U.S. Class:
Speedometer Or Tachometer (D10/98)