CA620671A - Outdoor antenna for an intrusion detection system - Google Patents

Outdoor antenna for an intrusion detection system

Info

Publication number
CA620671A
CA620671A CA620671A CA620671DA CA620671A CA 620671 A CA620671 A CA 620671A CA 620671 A CA620671 A CA 620671A CA 620671D A CA620671D A CA 620671DA CA 620671 A CA620671 A CA 620671A
Authority
CA
Canada
Prior art keywords
detection system
intrusion detection
outdoor antenna
outdoor
antenna
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
CA620671A
Inventor
Pearson Howard
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.)
American District Telegraph Co
Original Assignee
American District Telegraph Co
Publication date
Application granted granted Critical
Publication of CA620671A publication Critical patent/CA620671A/en
Expired legal-status Critical Current

Links

CA620671A Outdoor antenna for an intrusion detection system Expired CA620671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA620671T

Publications (1)

Publication Number Publication Date
CA620671A true CA620671A (en) 1961-05-23

Family

ID=35875862

Family Applications (1)

Application Number Title Priority Date Filing Date
CA620671A Expired CA620671A (en) Outdoor antenna for an intrusion detection system

Country Status (1)

Country Link
CA (1) CA620671A (en)

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