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. 24, 1996
Filed:
May. 08, 1995
Applicant:
Inventors:
Makoto Takebe, Hiratsuka, JP;
Masao Hagiwara, Hiratsuka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370248 ; 370249 ; 370252 ;
Abstract
A serial controller in which nodes to which are connected one or plurality of sensors and one or a plurality of actuators are connected in series in the form of a closed loop including a main controller which sends data frame signals including a first special code, a second special code and output data for the actuators. The main controller measures and controls the time interval for sending the data frame signals and selecting a broken-line detection time setting in order to improve the transmission efficiency and to carry out the control in real time.