SE385055B - Anordning for detektering av intrengande foremal eller partiklar - Google Patents

Anordning for detektering av intrengande foremal eller partiklar

Info

Publication number
SE385055B
SE385055B SE7304155A SE7304155A SE385055B SE 385055 B SE385055 B SE 385055B SE 7304155 A SE7304155 A SE 7304155A SE 7304155 A SE7304155 A SE 7304155A SE 385055 B SE385055 B SE 385055B
Authority
SE
Sweden
Prior art keywords
interventive
particles
detecting
forms
interventive forms
Prior art date
Application number
SE7304155A
Other languages
English (en)
Swedish (sv)
Inventor
A T Kornylak
Original Assignee
Kornylac Co
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 Kornylac Co filed Critical Kornylac Co
Publication of SE385055B publication Critical patent/SE385055B/xx

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
    • G08B13/183—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 interruption of a radiation beam or barrier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
SE7304155A 1972-04-27 1973-03-23 Anordning for detektering av intrengande foremal eller partiklar SE385055B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00248337A US3805064A (en) 1972-04-27 1972-04-27 Radiation sensitive intrusion detection system

Publications (1)

Publication Number Publication Date
SE385055B true SE385055B (sv) 1976-05-31

Family

ID=22938677

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7304155A SE385055B (sv) 1972-04-27 1973-03-23 Anordning for detektering av intrengande foremal eller partiklar

Country Status (13)

Country Link
US (1) US3805064A (ro)
JP (1) JPS4948298A (ro)
AU (1) AU475279B2 (ro)
BE (1) BE798412A (ro)
CA (1) CA1008942A (ro)
DE (1) DE2320070A1 (ro)
ES (1) ES414140A1 (ro)
FR (1) FR2182574A5 (ro)
GB (1) GB1413414A (ro)
IT (1) IT980335B (ro)
NL (1) NL7305814A (ro)
SE (1) SE385055B (ro)
ZA (1) ZA731749B (ro)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818942C2 (de) * 1978-04-28 1986-03-27 Zellweger Uster Ag, Uster Verfahren zur Raumüberwachung und Vorrichtung zur Durchführung des Verfahrens
US4239961A (en) * 1979-01-23 1980-12-16 Theodore Lasar Photoelectric light curtain using retroreflector
US4294543A (en) * 1979-11-13 1981-10-13 Command Control & Communications Corporation Optical system for developing point coordinate information
US4794248A (en) * 1985-07-16 1988-12-27 Otis Elevator Company Detection device having energy transmitters located at vertically spaced apart points along movable doors
USRE33668E (en) * 1981-02-10 1991-08-20 Otis Elevator Company Detection device having energy transmitters located at vertically spaced apart points along movable doors
DE3152800A1 (de) * 1981-07-16 1983-08-25 Fa. Aug. Winkhaus, 4404 Telgte Alarmmelder zur sicherung eines durchgangs oder durchgangsabschnitts
DE3128073C2 (de) * 1981-07-16 1984-01-26 Fa. Aug. Winkhaus, 4404 Telgte Alarmmelder zur Sicherung eines Durchgangs oder eines Durchgangsabschnitts
US4893005A (en) * 1986-04-11 1990-01-09 Development/Consulting Associates Method and apparatus for area and perimeter security with reflection counting
US5567931A (en) * 1994-10-25 1996-10-22 Otis Elevator Company Variable beam detection using a dynamic detection threshold
CA2158902A1 (en) * 1994-10-25 1996-04-26 Brian J. Amend Weak beam detection
US7295831B2 (en) * 2003-08-12 2007-11-13 3E Technologies International, Inc. Method and system for wireless intrusion detection prevention and security management

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419459A (en) * 1944-02-01 1947-04-22 Gen Electric Photoelectric detecting apparatus
US2769374A (en) * 1951-10-19 1956-11-06 Sick Erwin Electrical light screen
US3235738A (en) * 1962-05-14 1966-02-15 Sensi Tronics Inc Photoelectric apparatus for detecting objects in an area
US3335285A (en) * 1964-03-24 1967-08-08 Jr John Gally Photoelectric system for detecting objects in a zone including vibrating light source
US3336585A (en) * 1965-04-05 1967-08-15 Stanford Research Inst Electronic motion detector
US3545572A (en) * 1967-08-18 1970-12-08 Montgomery Elevator Co Elevator door control

Also Published As

Publication number Publication date
AU475279B2 (en) 1976-08-19
DE2320070A1 (de) 1973-11-08
CA1008942A (en) 1977-04-19
BE798412A (fr) 1973-08-16
NL7305814A (ro) 1973-10-30
ES414140A1 (es) 1976-02-01
GB1413414A (en) 1975-11-12
JPS4948298A (ro) 1974-05-10
AU5427573A (en) 1974-10-10
ZA731749B (en) 1973-12-19
FR2182574A5 (ro) 1973-12-07
IT980335B (it) 1974-09-30
US3805064A (en) 1974-04-16

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