JPS5755241A - Door device for bus - Google Patents
Door device for busInfo
- Publication number
- JPS5755241A JPS5755241A JP13026680A JP13026680A JPS5755241A JP S5755241 A JPS5755241 A JP S5755241A JP 13026680 A JP13026680 A JP 13026680A JP 13026680 A JP13026680 A JP 13026680A JP S5755241 A JPS5755241 A JP S5755241A
- Authority
- JP
- Japan
- Prior art keywords
- switch
- door
- bus
- driver
- signal
- 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.)
- Pending
Links
- 238000013459 approach Methods 0.000 abstract 2
- 230000003068 static effect Effects 0.000 abstract 1
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
PURPOSE: To let the driver know the presence of an approaching passenger by operating a switch installed on th door face of the outside body near the entrance which gives out a signal to the driver.
CONSTITUTION: An approach switch 1 consists of a switch panel 2 and a control box 3, said switch panel 2 being installed on an outside body near an entrance 7 provided at the rear of a body 6 of a bus 5. When the driver closes a door to start the bus a door switch 23 is energized. When any passenger approaches the bus after the close of the door and touches the switch panel 2 changing its static capacitance, such change is inputted in a signal generating circuit 15 reducing the frequency of the signal considerably to close a transistor 16 which applies electric current to a coil 21 to generate electromagnetic force tripping the switch to its left to turn on a light 25 of an alarm 24 and souding a chime 26 to warn the driver. The switch 22 is self held even when the hand is removed unless the door 8 is opened.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13026680A JPS5755241A (en) | 1980-09-18 | 1980-09-18 | Door device for bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13026680A JPS5755241A (en) | 1980-09-18 | 1980-09-18 | Door device for bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5755241A true JPS5755241A (en) | 1982-04-02 |
Family
ID=15030163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13026680A Pending JPS5755241A (en) | 1980-09-18 | 1980-09-18 | Door device for bus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5755241A (en) |
-
1980
- 1980-09-18 JP JP13026680A patent/JPS5755241A/en active Pending
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