ES8407583A1 - Warning device for vehicle - Google Patents

Warning device for vehicle

Info

Publication number
ES8407583A1
ES8407583A1 ES526781A ES526781A ES8407583A1 ES 8407583 A1 ES8407583 A1 ES 8407583A1 ES 526781 A ES526781 A ES 526781A ES 526781 A ES526781 A ES 526781A ES 8407583 A1 ES8407583 A1 ES 8407583A1
Authority
ES
Spain
Prior art keywords
receiver
variation
light
intensity
circuit
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
ES526781A
Other languages
Spanish (es)
Other versions
ES526781A0 (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.)
VIRTANEN KALERO
Original Assignee
VIRTANEN KALERO
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 VIRTANEN KALERO filed Critical VIRTANEN KALERO
Publication of ES526781A0 publication Critical patent/ES526781A0/en
Publication of ES8407583A1 publication Critical patent/ES8407583A1/en
Expired legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Passenger Equipment (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

The vehicle alarm has an elastic tube contg. a deformation sensor with a circuit triggering an alarm when a defined degree of deformation is exceeded. It is applicable to safety of passengers in buses etc. when the doors are closing, and has a high degree of sensitivity independent of time and ambient influences. The tube (2) deformation sensor consists of a light source (3) and receiver (4) between which a light beam acts as a signal medium. A circuit dependent on the output signal of the light receiver regulates the intensity of the light source so as to compensate a variation in the light intensity received by the receiver. The circuit starts to react after a certain delay following the beginning of the variation in the receiver signal caused by the intensity variation.
ES526781A 1982-10-27 1983-10-26 Warning device for vehicle Expired ES8407583A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI823674A FI65949C (en) 1982-10-27 1982-10-27 SIGNALING FOR FORDON

Publications (2)

Publication Number Publication Date
ES526781A0 ES526781A0 (en) 1984-09-16
ES8407583A1 true ES8407583A1 (en) 1984-09-16

Family

ID=8516217

Family Applications (1)

Application Number Title Priority Date Filing Date
ES526781A Expired ES8407583A1 (en) 1982-10-27 1983-10-26 Warning device for vehicle

Country Status (5)

Country Link
JP (1) JPS59124444A (en)
AU (1) AU560849B2 (en)
ES (1) ES8407583A1 (en)
FI (1) FI65949C (en)
IT (1) IT1170537B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5237789A (en) * 1975-09-20 1977-03-23 Agency Of Ind Science & Technol Process for production of photovoltaic elements
JPS52131751A (en) * 1976-04-27 1977-11-04 Fujitsu Ltd Measuring method for thickness of transparent film
JPS5344048A (en) * 1977-05-16 1978-04-20 Omron Tateisi Electronics Co Photoelectric detector

Also Published As

Publication number Publication date
IT1170537B (en) 1987-06-03
AU560849B2 (en) 1987-04-16
ES526781A0 (en) 1984-09-16
FI65949C (en) 1984-08-10
JPS59124444A (en) 1984-07-18
AU2053883A (en) 1984-05-03
IT8349213A0 (en) 1983-10-25
FI65949B (en) 1984-04-30
FI823674A0 (en) 1982-10-27

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506