The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 04, 1986

Filed:

Aug. 29, 1984
Applicant:
Inventor:

Guenther W Wimmer, Portland, OR (US);

Assignee:

Tektronix, Inc., Beaverton, OR (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ; G01D / ;
U.S. Cl.
CPC ...
346 75 ; 346138 ; 3461 / ;
Abstract

An apparatus for generating a trigger signal having pulses synchronized with selectable angular displacement of a rotating object. The apparatus comprises a position encoder to monitor the rotation of the rotating object and to produce M output signal pulses during each revolution of the object, a frequency multiplier coupled to generate an output signal having a frequency N times the frequency of the position encoder output signal, and a frequency divider coupled to generate a pulsed trigger signal of frequency 1/Mth of the frequency of the frequency multiplier output signal, N being a selected integer and M normally being fixed by the physical contruction. The trigger signal comprises N pulses per revolution of the object and the angular displacement of the rotating object associated with each pulse of the trigger signal is selected by appropriate adjustment of N.


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