NL7506305A - Inrichting voor het detecteren van ongewenste voorwerpen. - Google Patents

Inrichting voor het detecteren van ongewenste voorwerpen.

Info

Publication number: NL7506305A
Authority: NL; Netherlands
Prior art keywords: undesirable objects; detecting undesirable; detecting; objects; undesirable
Prior art date: 1974-05-28

Application number

NL7506305A

Other languages

English (en)

Original Assignee

Goodyear Tire & Rubber

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.)

1974-05-28

Filing date

1975-05-28

Publication date

1975-12-02

1975-05-28 Application filed by Goodyear Tire & Rubber filed Critical Goodyear Tire & Rubber

1975-12-02 Publication of NL7506305A publication Critical patent/NL7506305A/nl

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
- G01N27/906—Compensating for velocity

Landscapes

Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Remote Sensing (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
Electrochemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Pathology (AREA)
Engineering & Computer Science (AREA)
Health & Medical Sciences (AREA)
Electromagnetism (AREA)
Environmental & Geological Engineering (AREA)
Geology (AREA)
General Life Sciences & Earth Sciences (AREA)
Geophysics (AREA)
Geophysics And Detection Of Objects (AREA)
Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

NL7506305A 1974-05-28 1975-05-28 Inrichting voor het detecteren van ongewenste voorwerpen. NL7506305A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/473,643 US3949293A (en)	1974-05-28	1974-05-28	Apparatus and method for detecting a moving metal mass including means to discriminate signals having a particular period

Publications (1)

Publication Number	Publication Date
NL7506305A true NL7506305A (nl)	1975-12-02

Family

ID=23880398

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7506305A NL7506305A (nl)	1974-05-28	1975-05-28	Inrichting voor het detecteren van ongewenste voorwerpen.

Country Status (19)

Country	Link
US (1)	US3949293A (nl)
JP (1)	JPS517954A (nl)
AR (1)	AR204664A1 (nl)
AU (1)	AU498275B2 (nl)
BE (1)	BE829255A (nl)
BR (1)	BR7503216A (nl)
CA (1)	CA1060970A (nl)
DE (1)	DE2523677A1 (nl)
DK (1)	DK233975A (nl)
ES (1)	ES437399A1 (nl)
FR (1)	FR2273288A1 (nl)
GB (1)	GB1505186A (nl)
IT (1)	IT1038533B (nl)
LU (1)	LU72552A1 (nl)
NL (1)	NL7506305A (nl)
NO (1)	NO751865L (nl)
SE (1)	SE401954B (nl)
TR (1)	TR19739A (nl)
ZA (1)	ZA752757B (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2412081A1 (fr) *	1977-12-19	1979-07-13	Fadico	Dispositif de detection de la presence d'une piece mecanique, muni d'organes assurant la securite du fonctionnement vis-a-vis de defauts d'isolement dans le circuit du capteur
US4193028A (en) *	1978-05-05	1980-03-11	Honeywell Inc.	Eddy current instrumentation circuitry for distinguishing flaw signals from spurious noise signals
GB2136580B (en) *	1983-03-16	1987-11-18	Thyssen Industrie	Method and apparatus for determining the distance from a conductor
JPH0518715Y2 (nl) *	1987-12-15	1993-05-18

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2577827A (en) *	1945-10-30	1951-12-11	Charles B Tompkins	Pulse recognition device
US2648766A (en) *	1950-04-19	1953-08-11	Rca Corp	Pulse width discriminator
US3065412A (en) *	1958-12-23	1962-11-20	Union Carbide Corp	Metal detector
US3523253A (en) *	1966-04-15	1970-08-04	Electronic Memories & Magnetic	Coupling network
US3609563A (en) *	1968-11-12	1971-09-28	Coditron Corp	Frequency detector
US3706027A (en) *	1971-07-13	1972-12-12	Karl R Grice Jr	Materials counting system utilizing permanent magnets and their associated fields

1974
- 1974-05-28 US US05/473,643 patent/US3949293A/en not_active Expired - Lifetime
1975
- 1975-01-01 AR AR258711A patent/AR204664A1/es active
- 1975-04-29 ZA ZA00752757A patent/ZA752757B/xx unknown
- 1975-04-29 CA CA225,996A patent/CA1060970A/en not_active Expired
- 1975-05-02 ES ES437399A patent/ES437399A1/es not_active Expired
- 1975-05-02 AU AU80771/75A patent/AU498275B2/en not_active Expired
- 1975-05-02 GB GB18412/75A patent/GB1505186A/en not_active Expired
- 1975-05-15 FR FR7515240A patent/FR2273288A1/fr not_active Withdrawn
- 1975-05-16 TR TR19739A patent/TR19739A/xx unknown
- 1975-05-20 BE BE156503A patent/BE829255A/xx unknown
- 1975-05-22 LU LU72552A patent/LU72552A1/xx unknown
- 1975-05-22 BR BR4118/75D patent/BR7503216A/pt unknown
- 1975-05-23 SE SE7505919A patent/SE401954B/xx unknown
- 1975-05-26 DE DE19752523677 patent/DE2523677A1/de not_active Withdrawn
- 1975-05-27 NO NO751865A patent/NO751865L/no unknown
- 1975-05-27 IT IT23763/75A patent/IT1038533B/it active
- 1975-05-27 JP JP50063400A patent/JPS517954A/ja active Pending
- 1975-05-27 DK DK233975A patent/DK233975A/da unknown
- 1975-05-28 NL NL7506305A patent/NL7506305A/nl not_active Application Discontinuation

Also Published As

Publication number	Publication date
ES437399A1 (es)	1977-01-16
GB1505186A (en)	1978-03-30
LU72552A1 (nl)	1975-10-08
BR7503216A (pt)	1976-04-20
SE401954B (sv)	1978-06-05
TR19739A (tr)	1979-10-25
ZA752757B (en)	1976-04-28
US3949293A (en)	1976-04-06
DK233975A (da)	1975-11-29
CA1060970A (en)	1979-08-21
BE829255A (fr)	1975-09-15
SE7505919L (sv)	1975-12-01
JPS517954A (nl)	1976-01-22
DE2523677A1 (de)	1975-12-11
AU8077175A (en)	1976-11-04
FR2273288A1 (nl)	1975-12-26
AR204664A1 (es)	1976-02-20
AU498275B2 (en)	1979-03-01
IT1038533B (it)	1979-11-30
NO751865L (nl)	1975-12-01

Publication	Publication Date	Title
NL7503439A (nl)	1975-10-01	Inrichting voor het vasthouden van voorwerpen.
NL7509530A (nl)	1976-02-16	Inrichting voor het bedrukken van voorwerpen.
NL7611199A (nl)	1977-05-09	Inrichting voor het rangschikken van voorwerpen.
NL7505209A (nl)	1975-11-11	Inrichting voor het roeren van monsters.
NL7502198A (nl)	1975-09-30	Inrichting voor het detecteren van binnen- dringende objecten.
NL7504915A (nl)	1975-10-28	Inrichting voor het vastmeren.
NL7501489A (nl)	1975-08-18	Inrichting voor het bepalen van antigenen.
NL172731C (nl)	1983-10-17	Inrichting voor het sorteren van poststukken.
NL7503123A (nl)	1975-09-23	Inrichting voor het vasthouden van buisvormige voorwerpen.
NL172942C (nl)	1983-11-16	Inrichting voor het verwisselen van voorwerpen.
NL177856C (nl)	1985-12-02	Inrichting voor het detecteren van bewegende objecten.
NL7509197A (nl)	1976-02-17	Inrichting voor het aangeven van vluchtwegen.
NL177946C (nl)	1985-12-16	Inrichting voor het identificeren van voertuigen.
NL176756C (nl)	1985-06-03	Inrichting voor het sorteren van langwerpige voorwerpen.
NL7401320A (nl)	1975-08-04	Inrichting voor het bepalen van stikstofoxiden cht.
NL7512101A (nl)	1976-03-31	Apparaat voor het verwerken van registreer- materialen.
NL165866C (nl)	1981-05-15	Inrichting voor het bewaken van een object.
NL171228C (nl)	1983-03-01	Inrichting voor het diffunderen van stoffen.
NL164672C (nl)	1981-01-15	Inrichting voor het weergeven van signalen.
NL7501388A (nl)	1975-08-18	Inrichting voor het behandelen van vloeistof- fen.
NL7501907A (nl)	1975-08-20	Inrichting voor het verplaatsen van artikelen.
NL7415445A (nl)	1975-07-28	Inrichting voor het vormen van een voorwerp.
NL7511528A (nl)	1976-04-05	Inrichting voor het merken van voorwerpen.
NL7502100A (nl)	1975-08-26	Inrichting voor het ontwaarden van magnetische kaarten.
NL7506305A (nl)	1975-12-02	Inrichting voor het detecteren van ongewenste voorwerpen.

Legal Events

Date	Code	Title	Description
1981-01-26	BV	The patent application has lapsed