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. 16, 1996
Filed:
Apr. 26, 1994
Applicant:
Inventors:
Masaki Takakura, Osaka, JP;
Masaki Kobayashi, Yamato-Koriyama, JP;
Yasukuni Yamane, Shiki, JP;
Noritoshi Kako, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395142 ;
Abstract
An apparatus for producing a railroad symbol and a road symbol, includes a CPU, a coordinates input device, an external storage device and a display. The CPU has an operation unit for performing a drawing operation, an interface circuit and a memory for storing data and a program. The railroad symbol is produced by continuous drawing of figure parts. The road symbol is produced by overlapping curved line drawn with a circle in a color and curved line drawn with smaller circle in another color.