JPS5529648A - Car speed meter with variable alarm - Google Patents
Car speed meter with variable alarmInfo
- Publication number
- JPS5529648A JPS5529648A JP10198778A JP10198778A JPS5529648A JP S5529648 A JPS5529648 A JP S5529648A JP 10198778 A JP10198778 A JP 10198778A JP 10198778 A JP10198778 A JP 10198778A JP S5529648 A JPS5529648 A JP S5529648A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- car
- buzzer
- roadway
- speed meter
- 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
- 235000014676 Phragmites communis Nutrition 0.000 abstract 2
Landscapes
- Instrument Panels (AREA)
Abstract
PURPOSE: To obtain this car speed meter with a variable alarm device that safely drives a car travelling on a roadway by automatically giving alarms when the car exceeds a speed limit on the roadway.
CONSTITUTION: When a car travels on a road in a speed limit 40km/h, speed is set to 45W50km/h by turning a dial 4. The contact pieces of reed switches 15a, 15b are opened when the speed of the car is not more than set value, but a magnet 17 joined on a speed indicating pointer 3 is united with the reed switches and closes the switches when the speed reaches the set speed. Thus, the currents of a battery flow through a buzzer 14 to operate the buzzer, and alarm sounds are emitted to drivers through a buzzer sound window 6.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10198778A JPS5529648A (en) | 1978-08-21 | 1978-08-21 | Car speed meter with variable alarm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10198778A JPS5529648A (en) | 1978-08-21 | 1978-08-21 | Car speed meter with variable alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5529648A true JPS5529648A (en) | 1980-03-03 |
Family
ID=14315181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10198778A Pending JPS5529648A (en) | 1978-08-21 | 1978-08-21 | Car speed meter with variable alarm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5529648A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030070259A (en) * | 2002-02-23 | 2003-08-30 | 박기홍 | Automotive alarm device for overspeed |
-
1978
- 1978-08-21 JP JP10198778A patent/JPS5529648A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030070259A (en) * | 2002-02-23 | 2003-08-30 | 박기홍 | Automotive alarm device for overspeed |
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