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:
Apr. 07, 1987
Filed:
Jul. 16, 1985
Applicant:
Inventors:
Kiyohiro Uehara, Yokohama, JP;
Shigeyuki Sakai, Nakatsugawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ; H05K / ;
U.S. Cl.
CPC ...
29830 ; 361400 ; 361412 ; 350334 ; 350343 ;
Abstract
A panel board on which a liquid crystal display device and a printed-circuit board on which an electric circuit for driving the liquid crystal display device are electrically and mechanically connected to each other by an electrically conductive heat-sealing connector. When joining the panel board and the printed-circuit board, the heat-sealing connector is heated by a heating head applied against the panel board or infrared radiation applied through the panel board.