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:
Mar. 03, 2009
Filed:
Jan. 31, 2005
Takashi Okuyama, Shizuoka-ken, JP;
Takashi Okuyama, Shizuoka-ken, JP;
Yamaha Marine Kabushiki Kaisha, Shizuoka, JP;
Abstract
A method of steering a watercraft propulsion device mounted to a transom plate and having a steering drive unit which allows the watercraft propulsion device to rotationally move about a swivel shaft. The method can include calculating a steering control amount for the steering drive unit in accordance with the degree of operator's steering wheel displacement and a predetermined steering system response performance, and operating the steering drive unit based on the calculated control physical quantity, in which the predetermined steering system response performance can be, selected from a plurality of plurality of predetermined steering system response performance options.