PL75845B2 - - Google Patents

Download PDF

Info

Publication number
PL75845B2
PL75845B2 PL15592372A PL15592372A PL75845B2 PL 75845 B2 PL75845 B2 PL 75845B2 PL 15592372 A PL15592372 A PL 15592372A PL 15592372 A PL15592372 A PL 15592372A PL 75845 B2 PL75845 B2 PL 75845B2
Authority
PL
Poland
Prior art keywords
photoelectric
signaling device
remote
infrared rays
housing
Prior art date
Application number
PL15592372A
Other languages
English (en)
Polish (pl)
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 filed Critical
Priority to PL15592372A priority Critical patent/PL75845B2/pl
Publication of PL75845B2 publication Critical patent/PL75845B2/pl

Links

Landscapes

  • Optical Communication System (AREA)
PL15592372A 1972-06-10 1972-06-10 PL75845B2 (2)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15592372A PL75845B2 (2) 1972-06-10 1972-06-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL15592372A PL75845B2 (2) 1972-06-10 1972-06-10

Publications (1)

Publication Number Publication Date
PL75845B2 true PL75845B2 (2) 1974-12-31

Family

ID=19958887

Family Applications (1)

Application Number Title Priority Date Filing Date
PL15592372A PL75845B2 (2) 1972-06-10 1972-06-10

Country Status (1)

Country Link
PL (1) PL75845B2 (2)

Similar Documents

Publication Publication Date Title
US5365218A (en) System for guarding property including a mobile laser unit
US2237193A (en) Detection of objects by electromagnetic rays
US4099050A (en) Codable optical transponder
US2649538A (en) Space intrusion detection system
US20020021621A1 (en) Tracking, safety and navigation system for firefighters
ES2035866T3 (es) Sistema para detectar la posicion de un objeto movil.
IT8123745V0 (it) Apparecchiatura telemetrica per la misurazione della distanza da un oggetto tramite intersezione diretta di fasci di radiazione luminosa coerente.
GB1322126A (en) Personnel protection systems
DE69206652D1 (de) Berührungsloser Grenztaster
ES2855102T3 (es) Dispositivo y procedimiento para la determinación de la posición
ES523819A0 (es) Sistema de medicion a distancia con energia recibida por radiacion.
AU594410B2 (en) Improvements relating to detecting forest fires
PL75845B2 (2)
GB1527965A (en) Optical fire detector
DE68907924D1 (de) Roentgenstrahlvorrichtung, ausgestattet mit einem strahlungsbereich-monitor.
DE102004053163A1 (de) Individual-Warngerät eines Rottenwarnsystems
GB1530706A (en) Optical presence sensing apparatus
ES416648A1 (es) Sistema de vigilancia de moviles sobre una via.
US3038996A (en) Object locating apparatus
ES8601499A1 (es) Instalacion para objetos moviles, ligados a una superfie horizontal, para la autodeterminacion de sus coordenadas de posicion y de su angulo de orientacion
IT1244132B (it) Ricetrasmettitore elettronico per automezzi ad impulsi sonori e visiviper preavviso di pericolo di collisione avvenuta a breve distanza, nonvisibile, tra automezzi ed allarme per distanza di sicurezza su 4 latipredisposto a sistema automatico per freno idroelettrico.
WO2008085050A1 (en) Method and device for detecting heat sources
ES2272597T3 (es) Dispositivo para el reconocimiento de un peligro de colision entre dos objetos moviles relativamente entre si, especialmente vehiculos.
KR100264522B1 (ko) 무선송수신기를이용한다용도무선경보장치
US1276648A (en) Signaling device.