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:
Aug. 11, 1987

Filed:

Oct. 29, 1984
Applicant:
Inventor:

Akio Furuse, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M / ; G06F / ;
U.S. Cl.
CPC ...
364558 ; 73 492 ; 364479 ; 364507 ; 364571 ;
Abstract

A predetermined number of preceding data items, which are obtained through measurement of change in pressure or pressure difference with respect to respective objects inspected and decided to be acceptable, are grouped according to types of the objects and stored in different storage regions. Each time new data is stored, the oldest data in the corresponding storage region is erased. An average of data stored in a designated storage region is computed and each object is decided if it is acceptable or not on the basis of the difference between the newly measured data of the object and the computed average of the data in the designated storage region corresponding to the object.


Find Patent Forward Citations

Loading…