JPS5538767A - Signal display circuit - Google Patents

Signal display circuit

Info

Publication number
JPS5538767A
JPS5538767A JP11196578A JP11196578A JPS5538767A JP S5538767 A JPS5538767 A JP S5538767A JP 11196578 A JP11196578 A JP 11196578A JP 11196578 A JP11196578 A JP 11196578A JP S5538767 A JPS5538767 A JP S5538767A
Authority
JP
Japan
Prior art keywords
signal
visitor
circuit
chassis
transmits
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
JP11196578A
Other languages
Japanese (ja)
Other versions
JPS6047790B2 (en
Inventor
Shizuo Inohara
Tomu Yoshimi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP53111965A priority Critical patent/JPS6047790B2/en
Publication of JPS5538767A publication Critical patent/JPS5538767A/en
Publication of JPS6047790B2 publication Critical patent/JPS6047790B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Color Television Systems (AREA)
  • Audible And Visible Signals (AREA)

Abstract

PURPOSE: To know identification for the visitor by securing the blinking for a fixed time for the display screen of the TV picture receiver via the visitor signal.
CONSTITUTION: With push of the switch of slave unit 2 of the chime, the potential difference is caused between master unit 1 and the double lines of connection line 8. This signal is supplied to TV picture receiver 3 through connection line 6. Connection line 7 transmits the power source, the earth line, the vertical oscillation signal, the oscillation signal and the blanking pulse to visitor signal display circuit 4 from chassis 5, and also transmits the visitor signal to chassis 5 from circuit 4 as well as transmits the signal sent from line 6 to circuit 4. When the signals are applied to circuit 4 from chimes 1 and 2, the visitor signal turns to the blinking signal for several seconds to be applied to the G-Y output signal of chassis 5. And thus the rectangular display is given to part of the display screen of TV picture receiver 3.
COPYRIGHT: (C)1980,JPO&Japio
JP53111965A 1978-09-11 1978-09-11 signal display circuit Expired JPS6047790B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53111965A JPS6047790B2 (en) 1978-09-11 1978-09-11 signal display circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53111965A JPS6047790B2 (en) 1978-09-11 1978-09-11 signal display circuit

Publications (2)

Publication Number Publication Date
JPS5538767A true JPS5538767A (en) 1980-03-18
JPS6047790B2 JPS6047790B2 (en) 1985-10-23

Family

ID=14574570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53111965A Expired JPS6047790B2 (en) 1978-09-11 1978-09-11 signal display circuit

Country Status (1)

Country Link
JP (1) JPS6047790B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0446388A (en) * 1990-06-13 1992-02-17 Fujitsu General Ltd TV broadcast receiving device that enables visitor mark display

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0446388A (en) * 1990-06-13 1992-02-17 Fujitsu General Ltd TV broadcast receiving device that enables visitor mark display

Also Published As

Publication number Publication date
JPS6047790B2 (en) 1985-10-23

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