JPS6439836A - Dial lock display device in automobile telephone system - Google Patents

Dial lock display device in automobile telephone system

Info

Publication number
JPS6439836A
JPS6439836A JP62197045A JP19704587A JPS6439836A JP S6439836 A JPS6439836 A JP S6439836A JP 62197045 A JP62197045 A JP 62197045A JP 19704587 A JP19704587 A JP 19704587A JP S6439836 A JPS6439836 A JP S6439836A
Authority
JP
Japan
Prior art keywords
signal
dial lock
square wave
outer circle
detecting
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.)
Granted
Application number
JP62197045A
Other languages
Japanese (ja)
Other versions
JPH0687546B2 (en
Inventor
Toshihiro Hosoi
Kazuaki Ishihara
Yoshimi Shoji
Takuo Yamamoto
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.)
Denso Corp
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
NipponDenso 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 Toyota Motor Corp, NipponDenso Co Ltd filed Critical Toyota Motor Corp
Priority to JP62197045A priority Critical patent/JPH0687546B2/en
Publication of JPS6439836A publication Critical patent/JPS6439836A/en
Publication of JPH0687546B2 publication Critical patent/JPH0687546B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE:To prevent the misconception by displaying the detection on a dial lock display means, when a repeated signal detecting means for detecting whether a signal of an outer circle display signal line is a repeated signal of high/low levels or not has detected the repeated signal. CONSTITUTION:A square wave detector 18 being a repeated signal detecting means is connected to an outer circle display signal line 5, and this square wave detector 19 detects whether a signal which is sent out to the outer circle display signal line 5 from a radio equipment 2 is a square wave generated by repeating H/L levels or not. When the square wave detector 18 detects a square wave, a detecting signal is sent out to a display driving circuit 19, and the display driving circuit 19 which has inputted this detecting signal turns on a dial lock indicator 14, and turns off an outer circle indicator 13. Accordingly, by lighting of this dial lock indicator 14, a user can recognize a dial lock state. In such a way, the misconception can be prevented.
JP62197045A 1987-08-05 1987-08-05 Dial lock display device for car telephone system Expired - Fee Related JPH0687546B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62197045A JPH0687546B2 (en) 1987-08-05 1987-08-05 Dial lock display device for car telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62197045A JPH0687546B2 (en) 1987-08-05 1987-08-05 Dial lock display device for car telephone system

Publications (2)

Publication Number Publication Date
JPS6439836A true JPS6439836A (en) 1989-02-10
JPH0687546B2 JPH0687546B2 (en) 1994-11-02

Family

ID=16367798

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62197045A Expired - Fee Related JPH0687546B2 (en) 1987-08-05 1987-08-05 Dial lock display device for car telephone system

Country Status (1)

Country Link
JP (1) JPH0687546B2 (en)

Also Published As

Publication number Publication date
JPH0687546B2 (en) 1994-11-02

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees