JPS5679027A - Alarm device for car driver - Google Patents

Alarm device for car driver

Info

Publication number
JPS5679027A
JPS5679027A JP15939979A JP15939979A JPS5679027A JP S5679027 A JPS5679027 A JP S5679027A JP 15939979 A JP15939979 A JP 15939979A JP 15939979 A JP15939979 A JP 15939979A JP S5679027 A JPS5679027 A JP S5679027A
Authority
JP
Japan
Prior art keywords
alarm
circuit
signal
voltage
generated
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
JP15939979A
Other languages
Japanese (ja)
Inventor
Tetsumasa Asano
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP15939979A priority Critical patent/JPS5679027A/en
Publication of JPS5679027A publication Critical patent/JPS5679027A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prevent a driver from driving a car at dozing off by a method wherein alarm sound is generated at a predetermined interval and a driver must give a confirming voice to the alarm, and louder alarm will be sounded to wake the drive up it a confirming reply by the driver is not avilable.
CONSTITUTION: With the predetermined signal period T adjusted by a variable resistor 12 in the first alarm circuit 10, the variable periodical signal generator 11 generates the signal voltage V, and every time the voltage is generated, the gate circuit 14 is picked and the speaker 15 sounds an alarm in response to the output signal from the alarm signal generator 13. At the same time, accompanied with rising of the signal voltage V, the FF circuit 51 is set and gate input signal A is generated. If this condition continues, inverter 43 is actuated at the time the voltage V terminates, then the speaker 15 sounds through the alarm signal transmitter 41 of the second alarm circuit 40. But if a confirming reply voice is available while the voltage V is generated, the FF circuit 51 is reset through voice detecting circuit 20, thereby intercepting alarm sound generation.
COPYRIGHT: (C)1981,JPO&Japio
JP15939979A 1979-12-03 1979-12-03 Alarm device for car driver Pending JPS5679027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15939979A JPS5679027A (en) 1979-12-03 1979-12-03 Alarm device for car driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15939979A JPS5679027A (en) 1979-12-03 1979-12-03 Alarm device for car driver

Publications (1)

Publication Number Publication Date
JPS5679027A true JPS5679027A (en) 1981-06-29

Family

ID=15692917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15939979A Pending JPS5679027A (en) 1979-12-03 1979-12-03 Alarm device for car driver

Country Status (1)

Country Link
JP (1) JPS5679027A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612655A (en) * 1983-04-18 1986-09-16 Koichi Nakamura Driving time alarm for vehicle
JPH0668954U (en) * 1993-03-10 1994-09-27 幸正 小山内 Caution bell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612655A (en) * 1983-04-18 1986-09-16 Koichi Nakamura Driving time alarm for vehicle
JPH0668954U (en) * 1993-03-10 1994-09-27 幸正 小山内 Caution bell

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