CA874539A - Electronic audible alarm devices - Google Patents

Electronic audible alarm devices

Info

Publication number
CA874539A
CA874539A CA874539A CA874539DA CA874539A CA 874539 A CA874539 A CA 874539A CA 874539 A CA874539 A CA 874539A CA 874539D A CA874539D A CA 874539DA CA 874539 A CA874539 A CA 874539A
Authority
CA
Canada
Prior art keywords
audible alarm
alarm devices
electronic audible
electronic
devices
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
CA874539A
Inventor
T. Human Arthur
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.)
Edwards Co Inc
Original Assignee
Edwards Co Inc
Publication date
Application granted granted Critical
Publication of CA874539A publication Critical patent/CA874539A/en
Expired legal-status Critical Current

Links

CA874539A Electronic audible alarm devices Expired CA874539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA874539T

Publications (1)

Publication Number Publication Date
CA874539A true CA874539A (en) 1971-06-29

Family

ID=36360476

Family Applications (1)

Application Number Title Priority Date Filing Date
CA874539A Expired CA874539A (en) Electronic audible alarm devices

Country Status (1)

Country Link
CA (1) CA874539A (en)

Similar Documents

Publication Publication Date Title
CA965611A (en) Electronic alarm watch
CA963553A (en) Proximity alarm
CA964759A (en) Intrusion alarm
AU468636B2 (en) Alarm device
CA957534A (en) Electronic siren circuit
CA1032251A (en) Fire alarm device
CA968002A (en) Lock and alarm device
CA874539A (en) Electronic audible alarm devices
CA969645A (en) Electronic timer
CA907364A (en) Electronic audible alarm devices
CA945240A (en) Alarm device
CA979994A (en) Proximity alarm
CA997028A (en) Audible signal apparatus
CA884024A (en) Electronic anti-theft device
CA34569S (en) Burglar alarm
CA889541A (en) Fire alarm device
CA945239A (en) Electric alarm device
CA874075A (en) Electronic device
AU3221071A (en) Alarm device
ZA712783B (en) Alarm device
CA904417A (en) Alarm device
CA914287A (en) Alarm device
CA863504A (en) Audible fire alarm
CA953787A (en) Alarm circuit
IL40045A0 (en) Burglar alarm