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:
Jun. 03, 1980
Filed:
Sep. 02, 1977
Sakae Houryu, Yokohama, JP;
Mitsuaki Seki, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A numeral display device has a first board member provided with a first group of pattern electrodes arranged to define a plurality of digits, each forming a figure eight pattern, the digits being arranged in an upper row and a lower row wherein for each digit the segment for the decimal point is electrically connected with at least a segment in the figure eight pattern while the other segments in said figure eight pattern are connected to display particular information, a second board member placed in facing relationship with said first board member and provided with a second group of pattern electrodes arranged to define a plurality of digits each forming a figure eight shaped pattern, the digits being arranged in an upper row and a lower row wherein for each digit the segment for decimal point is connected with at least a segment in the figure eight pattern other than those corresponding to the segments connected with the decimal point segment in said first board member while the other numerical segments are connected to display particular information, a displaying material provided between said first and second board members, and a circuit for providing the electrode groups in said first and second board members with respective drive signals thereby enabling display of different numerals in said upper and lower rows.