JPS5643036A - Alarm device against doze at the wheel - Google Patents

Alarm device against doze at the wheel

Info

Publication number
JPS5643036A
JPS5643036A JP11803679A JP11803679A JPS5643036A JP S5643036 A JPS5643036 A JP S5643036A JP 11803679 A JP11803679 A JP 11803679A JP 11803679 A JP11803679 A JP 11803679A JP S5643036 A JPS5643036 A JP S5643036A
Authority
JP
Japan
Prior art keywords
detecting
circuit
vehicle speed
brake operation
doze
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
Application number
JP11803679A
Other languages
Japanese (ja)
Inventor
Takatoshi Seko
Takayuki Yagishima
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP11803679A priority Critical patent/JPS5643036A/en
Publication of JPS5643036A publication Critical patent/JPS5643036A/en
Pending legal-status Critical Current

Links

Landscapes

  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

PURPOSE: To alarm against a doze at the wheel by detecting vehicle speed reduction in monotonous running for detecting reduction of degree of awakening without asking a response from a driver.
CONSTITUTION: A monotonous running detecting circuit 100 is provided with a shift position detecting switch 1 for detecting that gear position is on the top, a brake operation detecting switch 2 for detecting that the brake operation is carried out and a timer 7 to detect that the shift position is on the top and the brake operation is not carried out for a predetermined time. Also, a vehicle speed change detecting circuit 200 detects the increase or decrease of the vehicle speed over a predetermined amount by means of a vehicle speed change detecting section 3 and counter circuit 8a. Further, a decision circuit 300 decides on the basis of signals of both circuits through a time setting circuit 9 that the vehicle speed has changed over a predetermined amount within a set time in the monotonous running, and activate an alarm circuit 400. Thus, by the use of the circuit 200, any response from a driver is not needed and trouble associated therewith can be eliminated.
COPYRIGHT: (C)1981,JPO&Japio
JP11803679A 1979-09-14 1979-09-14 Alarm device against doze at the wheel Pending JPS5643036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11803679A JPS5643036A (en) 1979-09-14 1979-09-14 Alarm device against doze at the wheel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11803679A JPS5643036A (en) 1979-09-14 1979-09-14 Alarm device against doze at the wheel

Publications (1)

Publication Number Publication Date
JPS5643036A true JPS5643036A (en) 1981-04-21

Family

ID=14726454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11803679A Pending JPS5643036A (en) 1979-09-14 1979-09-14 Alarm device against doze at the wheel

Country Status (1)

Country Link
JP (1) JPS5643036A (en)

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