Title:
道路の凍結点をモニタするシステムおよび方法
Document Type and Number:
Japanese Patent JP2005509887
Kind Code:
A
Abstract:
Improved roadway freezing point monitoring systems and methods include improved sample wells for the accurate measurement of the freezing point of liquid on a roadway, the use of temperature sensors that require only two conductors to receive power and to send and receive digital address and temperature information, improved algorithms for detecting the freeze point of liquid on the roadway, the use of conductivity measurements to verify detected freeze points, and the transmission of temperature information via the Internet to remote computers.
Inventors:
Leonard Patrick A
Application Number:
JP2003546090A
Publication Date:
April 14, 2005
Filing Date:
November 01, 2002
Export Citation:
Assignee:
Energy Absorption Systems, Inc.
International Classes:
G01N25/02; G01N25/04; G01N27/04; G01W1/00; G08B19/02; (IPC1-7): G01N25/04
Attorney, Agent or Firm:
Sadao Kumakura
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato
Fumiaki Otsuka
Shishido Kaichi
Village shrine Atsuo
Disciple Maru Ken
Ino Sato