FI921597A0 - MAETNING AV EN HISSKORGS POSITION MED HJAELP AV ULTRALJUD. - Google Patents

MAETNING AV EN HISSKORGS POSITION MED HJAELP AV ULTRALJUD.

Info

Publication number
FI921597A0
FI921597A0 FI921597A FI921597A FI921597A0 FI 921597 A0 FI921597 A0 FI 921597A0 FI 921597 A FI921597 A FI 921597A FI 921597 A FI921597 A FI 921597A FI 921597 A0 FI921597 A0 FI 921597A0
Authority
FI
Finland
Prior art keywords
ultraljud
hisskorgs
maetning
med hjaelp
hjaelp
Prior art date
Application number
FI921597A
Other languages
Finnish (fi)
Other versions
FI921597A (en
Inventor
Claudia Mariann Schmidt-Milkau
Klaus Disterer
Rolf Eberhard Hanitsch
Original Assignee
Otis Elevator 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
Priority claimed from US07/709,796 external-priority patent/US5223680A/en
Application filed by Otis Elevator Co filed Critical Otis Elevator Co
Publication of FI921597A0 publication Critical patent/FI921597A0/en
Publication of FI921597A publication Critical patent/FI921597A/en

Links

Classifications

    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/74—Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Debugging And Monitoring (AREA)
FI921597A 1991-06-03 1992-04-10 MAETNING AV EN HISSKORGS POSITION MED HJAELP AV ULTRALJUD FI921597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/709,796 US5223680A (en) 1991-05-03 1991-06-03 Measuring elevator car position using ultrasound

Publications (2)

Publication Number Publication Date
FI921597A0 true FI921597A0 (en) 1992-04-10
FI921597A FI921597A (en) 1992-12-04

Family

ID=24851342

Family Applications (1)

Application Number Title Priority Date Filing Date
FI921597A FI921597A (en) 1991-06-03 1992-04-10 MAETNING AV EN HISSKORGS POSITION MED HJAELP AV ULTRALJUD

Country Status (3)

Country Link
JP (1) JPH05215853A (en)
DE (1) DE4208173A1 (en)
FI (1) FI921597A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100886079B1 (en) * 2005-03-18 2009-02-26 오티스 엘리베이터 컴파니 System and method for determining position of elevator cab, and elevator system
DE102009037347A1 (en) * 2009-08-14 2011-02-17 K.A. Schmersal Holding Gmbh & Co. Kg Electronic security system for a lift
JP2012230060A (en) * 2011-04-27 2012-11-22 Saxa Inc Ultrasonic distance measurement system
JP2020138830A (en) * 2019-02-27 2020-09-03 株式会社日立製作所 Multi-car elevator
WO2022090396A1 (en) * 2020-10-29 2022-05-05 Inventio Ag Method for detecting changes in an area to be monitored

Also Published As

Publication number Publication date
FI921597A (en) 1992-12-04
DE4208173A1 (en) 1992-12-10
JPH05215853A (en) 1993-08-27

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