CA1163715A - Feuilles de materiau non conducteur a marques d'identification, et methode et dispositif d'identification connexes - Google Patents

Feuilles de materiau non conducteur a marques d'identification, et methode et dispositif d'identification connexes

Info

Publication number
CA1163715A
CA1163715A CA000425732A CA425732A CA1163715A CA 1163715 A CA1163715 A CA 1163715A CA 000425732 A CA000425732 A CA 000425732A CA 425732 A CA425732 A CA 425732A CA 1163715 A CA1163715 A CA 1163715A
Authority
CA
Canada
Prior art keywords
fibres
energy
article
articles
sheet
Prior art date
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.)
Expired
Application number
CA000425732A
Other languages
English (en)
Inventor
Pierre Veys
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.)
Bekaert NV SA
Original Assignee
Bekaert NV SA
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 CA000350374A external-priority patent/CA1159565A/fr
Application filed by Bekaert NV SA filed Critical Bekaert NV SA
Priority to CA000425732A priority Critical patent/CA1163715A/fr
Application granted granted Critical
Publication of CA1163715A publication Critical patent/CA1163715A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Paper (AREA)
CA000425732A 1979-05-01 1983-04-12 Feuilles de materiau non conducteur a marques d'identification, et methode et dispositif d'identification connexes Expired CA1163715A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000425732A CA1163715A (fr) 1979-05-01 1983-04-12 Feuilles de materiau non conducteur a marques d'identification, et methode et dispositif d'identification connexes

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB7915193 1979-05-01
GB79.15193 1979-05-01
CA000350374A CA1159565A (fr) 1979-05-01 1980-04-22 Articles en feuilles faits d'un materiau non conducteur et marques pour fins d'identification; appareil et methode servant a l'identification de tels articles
CA000425732A CA1163715A (fr) 1979-05-01 1983-04-12 Feuilles de materiau non conducteur a marques d'identification, et methode et dispositif d'identification connexes

Publications (1)

Publication Number Publication Date
CA1163715A true CA1163715A (fr) 1984-03-13

Family

ID=27166657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000425732A Expired CA1163715A (fr) 1979-05-01 1983-04-12 Feuilles de materiau non conducteur a marques d'identification, et methode et dispositif d'identification connexes

Country Status (1)

Country Link
CA (1) CA1163715A (fr)

Similar Documents

Publication Publication Date Title
US4408156A (en) Sheet articles of non-conductive material marked for identification purposes, and method and apparatus for identifying such articles
US5334941A (en) Microwave reflection resonator sensors
CN100480640C (zh) 天线装置及用于借助于这种天线装置测量质量流量的装置
US4820912A (en) Method and apparatus for checking the authenticity of documents
GB1566737A (en) Device for the measurement of the moisture content of a sample
Zhang et al. New density-independent moisture measurement using microwave phase shifts at two frequencies
CA1130863A (fr) Hygrometrie du sol
CA1163715A (fr) Feuilles de materiau non conducteur a marques d'identification, et methode et dispositif d'identification connexes
US4566121A (en) Process and apparatus for identifying articles of sheet material by means of microwaves
US6411106B1 (en) Method and apparatus for moisture sensing using microwave technologies
Li et al. Comparison of two measurement methods on net power delivery with dual directional couplers
Glakos et al. Anomalous microwave propagation in open space
EP1064615B1 (fr) Appareil et procede d'identification d'articles
JPH07175987A (ja) 表面波線路および同線路を使用した物体検出装置
EP0237563A1 (fr) Appareil de controle et/ou de positionnement d'objets a l'aide d'une energie ondulatoire utilisant des guides d'ondes
GB2092798A (en) Coin discriminator
CN113092878B (zh) 一种w波段环境电磁辐射的测试方法及检测装置
SU1264052A1 (ru) Способ определени глубины залегани расслоений в диэлектрических материалах
US3394306A (en) Transmission line scattering range utilizing directionally controlled unradiated waveuiding for measuring reflective wave properties
SU1377690A1 (ru) Устройство дл измерени влажности материалов
CN115876807A (zh) 一种支柱绝缘子芯棒的检测方法和相关装置
Holland et al. International comparison CCEM. RF-K7a. F (GT-RF-86-1) on electrical field strength-report on measurements at NPL.
Hygate A modulated scatterer for measuring microwave fields
Freeman Investigation of the current distribution on an antenna in a waveguide
CA2240902A1 (fr) Antenne en forme de microbande

Legal Events

Date Code Title Description
MKEX Expiry