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.
Patent No.:
Date of Patent:
Dec. 14, 1976
Filed:
Apr. 28, 1975
Clifford H Moulton, Sunriver, OR (US);
Dyna-Tech Corporation, Portland, OR (US);
Abstract
Scaling apparatus for measuring the dimensions of an article, such as a log, including a two-dimensionally curved parabolic mirror for viewing an article, and a constant-speed, rotary, electro-optical scanner located at the focal point of the mirror for scanning the mirror's view. Electrical pulse-generating circuitry in the apparatus operates during such scanning to generate, for each revolution of the scanner, a stored pulse count which directly indicates the side-to-side dimensions of a viewed article. Included in such circuitry is means for varying, in effect, the rate at which pulses are counted so as to correct the finally stored count for nonlinearity inherently encountered in the scanned view of the mirror.