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:
Jul. 19, 1988
Filed:
Dec. 08, 1986
Dennis R Coon, Byesville, OH (US);
Richard M Cihon, Kimbolton, OH (US);
Don E Beam, Cambridge, OH (US);
Roy L Hoisington, Jr, Cumberland, OH (US);
Charles D Adkins, Ypsilanti, MI (US);
NCR Corporation, Dayton, OH (US);
Abstract
A circuit board test apparatus includes an interchangeable interface board adapted for use with a particular type of circuit board to be tested, a receiver board with which said interface board engages, a back plane board located generally parallel to said receiver board and containing analog and digital buses, and a plurality of analog and digital interface and controller boards mounted generally perpendicular to said receiver and said back plane boards and electrically connected thereto. The test apparatus also includes vacuum apparatus for drawing the circuit board to be tested into engagement with the interchangeable interface board and further includes several embodiments of means for directing a stream of ionized air across the circuit board to be tested to eliminate static electrical charges therefrom.