AT282414B - Room surveillance system - Google Patents

Room surveillance system

Info

Publication number
AT282414B
AT282414B AT357868A AT357868A AT282414B AT 282414 B AT282414 B AT 282414B AT 357868 A AT357868 A AT 357868A AT 357868 A AT357868 A AT 357868A AT 282414 B AT282414 B AT 282414B
Authority
AT
Austria
Prior art keywords
surveillance system
room surveillance
room
surveillance
Prior art date
Application number
AT357868A
Other languages
German (de)
Inventor
Johannes Ing Rode
Original Assignee
Johannes Ing Rode
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 Johannes Ing Rode filed Critical Johannes Ing Rode
Application granted granted Critical
Publication of AT282414B publication Critical patent/AT282414B/en

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
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Burglar Alarm Systems (AREA)
AT357868A 1967-04-13 1968-04-11 Room surveillance system AT282414B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER0045751 1967-04-13

Publications (1)

Publication Number Publication Date
AT282414B true AT282414B (en) 1970-06-25

Family

ID=7407752

Family Applications (1)

Application Number Title Priority Date Filing Date
AT357868A AT282414B (en) 1967-04-13 1968-04-11 Room surveillance system

Country Status (4)

Country Link
AT (1) AT282414B (en)
DE (1) DE1566723A1 (en)
FR (1) FR1562450A (en)
NL (1) NL6805203A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2173804B1 (en) * 1972-03-03 1975-03-21 Salmet Gaston
FR2176499B1 (en) * 1972-03-21 1975-03-21 Salmet Gaston

Also Published As

Publication number Publication date
FR1562450A (en) 1969-04-04
NL6805203A (en) 1968-10-14
DE1566723A1 (en) 1970-08-06

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Legal Events

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