CA921146A - Metal detection and alarm systems - Google Patents

Metal detection and alarm systems

Info

Publication number
CA921146A
CA921146A CA086394A CA86394A CA921146A CA 921146 A CA921146 A CA 921146A CA 086394 A CA086394 A CA 086394A CA 86394 A CA86394 A CA 86394A CA 921146 A CA921146 A CA 921146A
Authority
CA
Canada
Prior art keywords
metal detection
alarm systems
alarm
systems
detection
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
CA086394A
Other versions
CA86394S (en
Inventor
Brown Yull
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA921146A publication Critical patent/CA921146A/en
Expired legal-status Critical Current

Links

CA086394A 1969-06-26 1970-06-24 Metal detection and alarm systems Expired CA921146A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU5707769 1969-06-26
AU5780069 1969-07-11
AU5912369 1969-08-06
AU6556369 1969-12-22
AUPA005870 1970-01-12

Publications (1)

Publication Number Publication Date
CA921146A true CA921146A (en) 1973-02-13

Family

ID=27507088

Family Applications (1)

Application Number Title Priority Date Filing Date
CA086394A Expired CA921146A (en) 1969-06-26 1970-06-24 Metal detection and alarm systems

Country Status (2)

Country Link
CA (1) CA921146A (en)
NO (1) NO126708B (en)

Also Published As

Publication number Publication date
NO126708B (en) 1973-03-12

Similar Documents

Publication Publication Date Title
CA938385A (en) Fire detection system
AU1080670A (en) Laser arrow detection system
CA931247A (en) Touch-wire detection systems
CA871366A (en) Alarm means
CA940951A (en) Foldable-sheet processing systems
AU3217271A (en) Improvements in fire detection systems
CA921146A (en) Metal detection and alarm systems
AU441713B2 (en) Metal detection and alarm systems
AU1666470A (en) Metal detection and alarm systems
ZA704339B (en) Metal detection and alarm systems
ZA704760B (en) Antifouling methods and systems
CA846978A (en) Alarm sensing and indicating systems
CA804758A (en) Acoustic intruder detection systems
CA938676A (en) Voice alerting radio detection alarm system
CA816903A (en) Perimeter intrusion detection system
CA820455A (en) Radiation detection systems
AU4903369A (en) Improvements in alarm systems
CA709087A (en) Supervised detection and alarm system
IL31466A0 (en) An intruder detection system
CA820475A (en) Nuclear explosion detection systems
CA806335A (en) Electronic alarm or tripping system
CA817666A (en) Fire alarm
CA813630A (en) Back-up alarm sounder
CA826836A (en) Fire warning systems
CA828997A (en) Detection system