ES8407583A1 - Warning device for vehicle - Google Patents
Warning device for vehicleInfo
- 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
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.
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)
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 |
-
1982
- 1982-10-27 FI FI823674A patent/FI65949C/en not_active IP Right Cessation
-
1983
- 1983-10-25 AU AU20538/83A patent/AU560849B2/en not_active Ceased
- 1983-10-25 IT IT49213/83A patent/IT1170537B/en active
- 1983-10-26 ES ES526781A patent/ES8407583A1/en not_active Expired
- 1983-10-27 JP JP58201880A patent/JPS59124444A/en active Pending
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 |