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. 10, 1991
Filed:
May. 10, 1990
Applicant:
Inventors:
Masato Itagaki, Kashiwa, JP;
Yosio Haeda, Yaizu, JP;
Masamichi Tomita, Ibaraki, JP;
Koh Tsuji, Ebina, JP;
Housei Higashi, Funabashi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
29705 ; 29714 ; 29740 ; 29759 ;
Abstract
An electronic parts mounting device roughly turns a mounting head to which an electronic part is sucked in multiple actions in a plurality of steps in accordance with the direction in which the electronic part is to be mounted. Then, the attitude of the electronic part is detected and the mounting head is precisely turned in accordance with the results of the detection so as to correct the attitude of the electronic part so that the electronic part can be accurately mounted on a printed circuit board.