Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BRITISH PAPER AND BOARD INDUST
Plessey Co Ltd
Research Association for the Paper and Board Printing and Packaging Industries
Original Assignee
BRITISH PAPER AND BOARD INDUST
Plessey Co Ltd
Research Association for the Paper and Board Printing and Packaging Industries
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB121659Aexternal-prioritypatent/GB938099A/en
Priority claimed from GB389459Aexternal-prioritypatent/GB929014A/en
Application filed by BRITISH PAPER AND BOARD INDUST, Plessey Co Ltd, Research Association for the Paper and Board Printing and Packaging IndustriesfiledCriticalBRITISH PAPER AND BOARD INDUST
Application grantedgrantedCritical
Publication of FR1245222ApublicationCriticalpatent/FR1245222A/fr
G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
FR815519A1959-01-131960-01-13Appareil pour mesurer la teneur en humidité d'une feuille de matière, notamment d'une feuille de papier
ExpiredFR1245222A
(fr)