AT307930B - Elektrische Raumschutzanlage - Google Patents

Elektrische Raumschutzanlage

Info

Publication number
AT307930B
AT307930B AT859569A AT859569A AT307930B AT 307930 B AT307930 B AT 307930B AT 859569 A AT859569 A AT 859569A AT 859569 A AT859569 A AT 859569A AT 307930 B AT307930 B AT 307930B
Authority
AT
Austria
Prior art keywords
protection system
electrical room
room protection
electrical
room
Prior art date
Application number
AT859569A
Other languages
English (en)
Original Assignee
Zettler Elektrotechn Alois
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 Zettler Elektrotechn Alois filed Critical Zettler Elektrotechn Alois
Application granted granted Critical
Publication of AT307930B publication Critical patent/AT307930B/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/187—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interference of a radiation field

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
AT859569A 1968-09-12 1969-09-10 Elektrische Raumschutzanlage AT307930B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1366668A CH508956A (de) 1968-09-12 1968-09-12 Elektrische Raumschutzanlage mit mindestens einem Strahler und mindestens einem Strahlungsempfänger

Publications (1)

Publication Number Publication Date
AT307930B true AT307930B (de) 1973-06-12

Family

ID=4394311

Family Applications (1)

Application Number Title Priority Date Filing Date
AT859569A AT307930B (de) 1968-09-12 1969-09-10 Elektrische Raumschutzanlage

Country Status (3)

Country Link
AT (1) AT307930B (de)
CH (1) CH508956A (de)
DE (1) DE1944356A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3032510C2 (de) * 1980-08-29 1983-11-24 W.C. Heraeus Gmbh, 6450 Hanau Raumschutzanlage mit einer Lichtquelle

Also Published As

Publication number Publication date
DE1944356A1 (de) 1970-03-19
CH508956A (de) 1971-06-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee