Title:
TRAVELLING VEHICLE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2011/158426
Kind Code:
A1
Abstract:
Disclosed is a travelling vehicle system having a plurality of travelling vehicles (110) which reciprocally move along a linear travelling path, the system being provided with: a reflection member (120) which is arranged at one end of the travelling path; a distance measuring device (130) which measures the distance between the travelling vehicles (110) and the reflection member (120) on the basis of a laser light; and communication devices (160), each provided with a fixed communication device (140) arranged at the other end of the travelling path of the vehicles (110) which wirelessly communicates by means of light, and a mobile communication device (150) attached to the travelling vehicles (110) which wirelessly communicates with the fixed communication device (140).
Inventors:
OGAWA KAZUHIKO
Application Number:
PCT/JP2011/002569
Publication Date:
December 22, 2011
Filing Date:
May 09, 2011
Export Citation:
Assignee:
MURATA MACHINERY LTD (JP)
OGAWA KAZUHIKO
OGAWA KAZUHIKO
International Classes:
B65G1/04; G05D1/02
Foreign References:
| JPH028106A | 1990-01-11 | |||
| JPH07215419A | 1995-08-15 | |||
| JP3148510U | 2009-02-19 |
Attorney, Agent or Firm:
NII, Hiromori (JP)
New house Extensive 守 (JP)
New house Extensive 守 (JP)
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Claims: