SE313754B - - Google Patents

Info

Publication number: SE313754B
Authority: SE; Sweden

Application number

SE2896/64A

Inventor

R Cowen

Original Assignee

Atomic Energy Commission

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.)

1963-07-03

Filing date

1964-03-07

Publication date

1969-08-18

1964-03-07 Application filed by Atomic Energy Commission filed Critical Atomic Energy Commission

1969-08-18 Publication of SE313754B publication Critical patent/SE313754B/xx

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)
Burglar Alarm Systems (AREA)

SE2896/64A 1963-07-03 1964-03-07 SE313754B (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US292808A US3183499A (en)	1963-07-03	1963-07-03	High directivity solid curtain perimeter intrusion system

Publications (1)

Publication Number	Publication Date
SE313754B true SE313754B (xx)	1969-08-18

Family

ID=23126284

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE2896/64A SE313754B (xx)	1963-07-03	1964-03-07

Country Status (5)

Country	Link
US (1)	US3183499A (xx)
BE (1)	BE648719A (xx)
DK (1)	DK111731B (xx)
GB (1)	GB994558A (xx)
SE (1)	SE313754B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3764813A (en) *	1972-04-12	1973-10-09	Bell Telephone Labor Inc	Coordinate detection system
US3825916A (en) *	1972-10-20	1974-07-23	California Crime Technological	Laser fence
US3882445A (en) *	1973-09-24	1975-05-06	Crown Zellerbach Corp	Compression-wave alarm system
US4015122A (en) *	1974-07-12	1977-03-29	Rubinstein Walter M	Photo-electric object detection system
SE428250B (sv) *	1979-05-31	1983-06-13	Bert Jonsson	Fotoelektrisk anordning for avkenning av foremal
WO1982002787A1 (en) *	1981-02-10	1982-08-19	Gray John E	Photoelectric obstruction detector for elevator doorways
EP0118698A3 (de) *	1983-02-08	1985-03-13	Horst Klostermann	Schutzgitter
US4672195A (en) *	1984-11-08	1987-06-09	Spacelabs, Inc.	Radiant beam coordinate detector system
US4652741A (en) *	1984-11-08	1987-03-24	Spacelabs Inc.	Radiant beam coordinate detector
CN103186962A (zh) *	2011-12-29	2013-07-03	鸿富锦精密工业（深圳）有限公司	可保护防盗报警器的装置和保护防盗报警器的方法
US10619397B2 (en) *	2015-09-14	2020-04-14	Rytec Corporation	System and method for safety management in roll-up doors
EP3899186A4 (en)	2018-12-21	2022-10-05	Rytec Corporation	Safety system and method for overhead roll-up doors

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1530419A (en) *		1925-03-17		Electric alarm apparatus
US2242317A (en) *		1941-05-20		metcalf
US923170A (en) *	1908-11-02	1909-06-01	Gen Electric	Signal system.
US1848220A (en) *	1927-08-26	1932-03-08	American Telephone & Telegraph	Energy control arrangement
US2037191A (en) *	1932-09-30	1936-04-14	Western Electric Co	Registering device
US1992199A (en) *	1932-11-07	1935-02-26	Illuminating Engineering Co	Light source
GB437205A (en) *	1934-04-24	1935-10-24	Gen Electric Co Ltd	Improvements in or relating to burglar alarms
US2315978A (en) *	1935-11-15	1943-04-06	Automatic Electrical Devices I	Photographic timing device
US2360885A (en) *	1939-05-02	1944-10-24	Photoswitch Inc	Photoelectric supervision of filling stations
US2302271A (en) *	1940-04-27	1942-11-17	Hammond V Hayes	Alarm system
US2438825A (en) *	1945-06-16	1948-03-30	Trans Lux Corp	Selector
GB717399A (en) *	1952-10-09	1954-10-27	Gen Electric Co Ltd	Improvements in or relating to photo-electric machine guards
US2900521A (en) *	1953-07-21	1959-08-18	Westinghouse Electric Corp	Door control apparatus
US2816283A (en) *	1956-03-30	1957-12-10	Rca Corp	Semiconductor null detector
US3077540A (en) *	1960-03-29	1963-02-12	Edwin K Yager	Means for sensing change in state of input electrical energy

1963
- 1963-07-03 US US292808A patent/US3183499A/en not_active Expired - Lifetime
- 1963-12-11 GB GB49032/63A patent/GB994558A/en not_active Expired
1964
- 1964-03-07 SE SE2896/64A patent/SE313754B/xx unknown
- 1964-05-12 DK DK236564AA patent/DK111731B/da unknown
- 1964-06-02 BE BE648719D patent/BE648719A/xx unknown

Also Published As

Publication number	Publication date
GB994558A (en)	1965-06-10
BE648719A (xx)	1964-10-01
US3183499A (en)	1965-05-11
DK111731B (da)	1968-09-30

Publication	Publication Date	Title
BE627012A (xx)
BE627151A (xx)
BE614220A (xx)
BE616830A (xx)
BE616967A (xx)
BE648719A (xx)	1964-10-01
BE645425A (xx)	1964-09-21
BE645301A (xx)	1964-07-16
BE645199A (xx)
BE644121A (xx)	1964-08-20
BE643765A (xx)	1964-05-29
BE642685A (xx)	1964-05-15
BE642415A (xx)
BE642319A (xx)	1964-05-04
BE642244A (xx)	1964-05-04
BE632748A (xx)	1963-10-21
BE630888A (xx)
BE627172A (xx)
BE627145A (xx)
BE627141A (xx)
BE627083A (xx)
BE627025A (xx)
BE627023A (xx)
BE626986A (xx)
BE626938A (xx)