ES446561A3 - Sistema de ascensor - Google Patents

Sistema de ascensor

Info

Publication number
ES446561A3
ES446561A3 ES446561A ES446561A ES446561A3 ES 446561 A3 ES446561 A3 ES 446561A3 ES 446561 A ES446561 A ES 446561A ES 446561 A ES446561 A ES 446561A ES 446561 A3 ES446561 A3 ES 446561A3
Authority
ES
Spain
Prior art keywords
phototransistor
figures
box
light
emitting diode
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES446561A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Priority to ES446561A priority Critical patent/ES446561A3/es
Publication of ES446561A3 publication Critical patent/ES446561A3/es
Expired legal-status Critical Current

Links

Landscapes

  • Indicating And Signalling Devices For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
ES446561A 1976-03-31 1976-03-31 Sistema de ascensor Expired ES446561A3 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES446561A ES446561A3 (es) 1976-03-31 1976-03-31 Sistema de ascensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES446561A ES446561A3 (es) 1976-03-31 1976-03-31 Sistema de ascensor

Publications (1)

Publication Number Publication Date
ES446561A3 true ES446561A3 (es) 1977-11-01

Family

ID=56329481

Family Applications (1)

Application Number Title Priority Date Filing Date
ES446561A Expired ES446561A3 (es) 1976-03-31 1976-03-31 Sistema de ascensor

Country Status (1)

Country Link
ES (1) ES446561A3 (es)

Similar Documents

Publication Publication Date Title
US4424458A (en) Contactless proximity sensor with multilevel response
KR20030090628A (ko) 적외선 방사를 이용한 장애물 검출 및 거리 측정 방법 및장치
ATE348316T1 (de) Optoelektronische entfernungsmesseinrichtung
NO942462L (no) Passiv overflatebölgesensor som kan avspörres trådlöst
DE58908759D1 (de) Optischer Sender mit einer Laserdiode.
ATE45053T1 (de) Fernmesseinrichtung.
EP0463440A3 (en) Method of driving a circuit arrangement for a contactless controlled sanitary device and circuit for carrying out this method
CN111917473A (zh) 一种基于光纤编码的信息传输系统及方法
US4682153A (en) Fail-safe sensor system
GB1417790A (en) Photoelectric smoke detector
DE3850027D1 (de) Reflexionslichtschranke.
ES446561A3 (es) Sistema de ascensor
ES518243A0 (es) Dispositivo emisor de ondas electromagneticas en respuesta a las ondas recibidas.
JPS5610268A (en) Automatic control system for rectilinear motion distance
US3435406A (en) Sonic vehicle detector using noise blanking
SE7404670L (sv) Anordning for siktmetning.
JPS5337457A (en) Distance measuring device
JPS5652947A (en) Signal transmitter and receiver
JPS6270727A (ja) 光反射減衰量測定装置
JPH0229972U (es)
JPH043139B2 (es)
SU1278919A1 (ru) Устройство дл приема сигналов
JPS6453697A (en) Remote control device
JPS5652945A (en) Data transmission device
SU1368634A1 (ru) Устройство контрол сквозных отверстий оптически непрозрачных деталей