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.

Date of Patent:
Mar. 06, 2001

Filed:

Aug. 06, 1998
Applicant:
Inventors:

Shinichi Higashi, Mihara, JP;

Shinichi Matsumoto, Mihara, JP;

Hiroshi Saeki, Mihara, JP;

Syuuichi Takemoto, Mihara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 2/200 ;
U.S. Cl.
CPC ...
G01C 2/200 ;
Abstract

An adjacent vehicle approach prohibition region is set before and after a to-be-converged moving target (MT) on a main line with reference to the to-be-converged MT. The to-be-converged MT corresponds to a converging MT assigned to a converging vehicle which is about to enter and converge onto the main line from a branch line. When a preceding non-MT-controlled vehicle or a following non-MT-controlled vehicle, which is a to-be-converged vehicle running on the main line onto which the converging vehicle is to converge, and which preceding or following vehicle is not subjected to a control by a MT method, has entered the adjacent vehicle approach prohibition region, the to-be-converged MT is accelerated/decelerated, whereby the entering to-be-converged vehicle is excluded from the adjacent vehicle approach prohibition region.


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