CA454171A - Magnetic signal device - Google Patents

Magnetic signal device

Info

Publication number
CA454171A
CA454171A CA454171A CA454171DA CA454171A CA 454171 A CA454171 A CA 454171A CA 454171 A CA454171 A CA 454171A CA 454171D A CA454171D A CA 454171DA CA 454171 A CA454171 A CA 454171A
Authority
CA
Canada
Prior art keywords
signal device
magnetic signal
magnetic
signal
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
CA454171A
Other languages
French (fr)
Inventor
Andrus Stearn Franklin
Baines Haigh Leslie
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.)
Federal Telephone and Radio Corp
Original Assignee
Federal Telephone and Radio Corp
Publication date
Application granted granted Critical
Publication of CA454171A publication Critical patent/CA454171A/en
Expired legal-status Critical Current

Links

CA454171A Magnetic signal device Expired CA454171A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA454171T

Publications (1)

Publication Number Publication Date
CA454171A true CA454171A (en) 1949-01-18

Family

ID=35571905

Family Applications (1)

Application Number Title Priority Date Filing Date
CA454171A Expired CA454171A (en) Magnetic signal device

Country Status (1)

Country Link
CA (1) CA454171A (en)

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