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:
May. 11, 1982
Filed:
Aug. 16, 1979
Applicant:
Inventor:
William D Bachalo, Dana Point, CA (US);
Assignee:
Spectron Development Laboratories, Inc., Costa Mesa, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356336 ; 356338 ;
Abstract
An apparatus for sizing particles, droplets or the like, particularly suited for determining the size of droplets in high number density sprays, is described. The apparatus employs the interferometer principle and off-axis collection to limit probe volume and to limit the light scatter detection to refraction and reflection. The central portion of the interference pattern is distinguished in an alternate embodiment by using a second laser beam as a pointer beam.