NO751856L - - Google Patents

Info

Publication number
NO751856L
NO751856L NO751856A NO751856A NO751856L NO 751856 L NO751856 L NO 751856L NO 751856 A NO751856 A NO 751856A NO 751856 A NO751856 A NO 751856A NO 751856 L NO751856 L NO 751856L
Authority
NO
Norway
Prior art keywords
alarm
led
frequency
alarm device
alternating voltage
Prior art date
Application number
NO751856A
Other languages
English (en)
Norwegian (no)
Inventor
B Gysell
Original Assignee
Securitas Ab Bevaknings
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 Securitas Ab Bevaknings filed Critical Securitas Ab Bevaknings
Publication of NO751856L publication Critical patent/NO751856L/no

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
NO751856A 1974-05-28 1975-05-26 NO751856L (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7407055A SE7407055L (sv) 1974-05-28 1974-05-28 Alarmanleggning

Publications (1)

Publication Number Publication Date
NO751856L true NO751856L (enrdf_load_stackoverflow) 1975-12-01

Family

ID=20321254

Family Applications (1)

Application Number Title Priority Date Filing Date
NO751856A NO751856L (enrdf_load_stackoverflow) 1974-05-28 1975-05-26

Country Status (4)

Country Link
DK (1) DK232975A (enrdf_load_stackoverflow)
FI (1) FI751540A7 (enrdf_load_stackoverflow)
NO (1) NO751856L (enrdf_load_stackoverflow)
SE (1) SE7407055L (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DK232975A (da) 1975-11-29
FI751540A7 (enrdf_load_stackoverflow) 1975-11-29
SE7407055L (sv) 1975-12-01

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