Title:
ROAD SURFACE CONDITION DETECTOR
Document Type and Number:
Japanese Patent JPS52152253
Kind Code:
A
Abstract:
PURPOSE: Detection of road surface condition at high accuracy is made possible even without coating paints, etc. on road surfaces by utilizing the phenomena by which the road surface reflection factor of microwaves change largely with water wetting, freezing, etc.
Inventors:
SHIBUYA HIDEO
WATANABE MASAHIRO
TATSUZAWA YOSHINOBU
MIURA KENZOU
WATANABE MASAHIRO
TATSUZAWA YOSHINOBU
MIURA KENZOU
Application Number:
JP6906976A
Publication Date:
December 17, 1977
Filing Date:
June 11, 1976
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G01W1/00; E01C11/26; E01F9/00; G01V3/12; (IPC1-7): E01F11/00; G01D21/04
Domestic Patent References:
| JP31000699A |