CA884552A - Security devices - Google Patents
Security devicesInfo
- Publication number
- CA884552A CA884552A CA884552A CA884552DA CA884552A CA 884552 A CA884552 A CA 884552A CA 884552 A CA884552 A CA 884552A CA 884552D A CA884552D A CA 884552DA CA 884552 A CA884552 A CA 884552A
- Authority
- CA
- Canada
- Prior art keywords
- security devices
- security
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA54662 | 1969-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA884552A true CA884552A (en) | 1971-10-26 |
Family
ID=4085359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA884552A Expired CA884552A (en) | 1969-06-18 | 1969-06-18 | Security devices |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA884552A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010870A1 (en) * | 1978-10-04 | 1980-05-14 | Glynwed Group Services Limited | Electronic lock and key, and an alarm system incorporating same |
-
1969
- 1969-06-18 CA CA884552A patent/CA884552A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010870A1 (en) * | 1978-10-04 | 1980-05-14 | Glynwed Group Services Limited | Electronic lock and key, and an alarm system incorporating same |
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