CA480447A - Appareil de detection et de reperage par dispositif electrique de matiere conductrice ou magnetique - Google Patents

Appareil de detection et de reperage par dispositif electrique de matiere conductrice ou magnetique

Info

Publication number
CA480447A
CA480447A CA480447A CA480447DA CA480447A CA 480447 A CA480447 A CA 480447A CA 480447 A CA480447 A CA 480447A CA 480447D A CA480447D A CA 480447DA CA 480447 A CA480447 A CA 480447A
Authority
CA
Canada
Prior art keywords
locating
detecting
magnetic material
electrically conducting
electrical means
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
CA480447A
Other languages
English (en)
Inventor
Yates Logan Sydney
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.)
Cinema Television Ltd
Original Assignee
Cinema Television Ltd
Publication date
Application granted granted Critical
Publication of CA480447A publication Critical patent/CA480447A/fr
Expired legal-status Critical Current

Links

CA480447A Appareil de detection et de reperage par dispositif electrique de matiere conductrice ou magnetique Expired CA480447A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA480447T

Publications (1)

Publication Number Publication Date
CA480447A true CA480447A (fr) 1952-01-22

Family

ID=35620124

Family Applications (1)

Application Number Title Priority Date Filing Date
CA480447A Expired CA480447A (fr) Appareil de detection et de reperage par dispositif electrique de matiere conductrice ou magnetique

Country Status (1)

Country Link
CA (1) CA480447A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763424A (en) * 1971-07-15 1973-10-02 Sperry Rand Corp Metal detector for identifying and discriminating between objects of different size, shape, orientation and ferrous content and including an auto nulling circuit
US4300097A (en) * 1979-07-27 1981-11-10 Techna, Inc. Induction balance metal detector with ferrous and non-ferrous metal identification
US4303879A (en) 1979-01-29 1981-12-01 Garrett Electronics Metal detector circuit with mode selection and automatic tuning
US4334192A (en) 1979-01-29 1982-06-08 Garrett Electronics Metal detector circuit having automatic tuning with multiple rates
US4868910A (en) * 1988-02-16 1989-09-19 White's Electronics, Inc. Metal detector with microprocessor control and analysis

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763424A (en) * 1971-07-15 1973-10-02 Sperry Rand Corp Metal detector for identifying and discriminating between objects of different size, shape, orientation and ferrous content and including an auto nulling circuit
US4303879A (en) 1979-01-29 1981-12-01 Garrett Electronics Metal detector circuit with mode selection and automatic tuning
US4334192A (en) 1979-01-29 1982-06-08 Garrett Electronics Metal detector circuit having automatic tuning with multiple rates
US4300097A (en) * 1979-07-27 1981-11-10 Techna, Inc. Induction balance metal detector with ferrous and non-ferrous metal identification
US4868910A (en) * 1988-02-16 1989-09-19 White's Electronics, Inc. Metal detector with microprocessor control and analysis

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