JPS54115016A - Signal processing circuit - Google Patents

Signal processing circuit

Info

Publication number
JPS54115016A
JPS54115016A JP2310878A JP2310878A JPS54115016A JP S54115016 A JPS54115016 A JP S54115016A JP 2310878 A JP2310878 A JP 2310878A JP 2310878 A JP2310878 A JP 2310878A JP S54115016 A JPS54115016 A JP S54115016A
Authority
JP
Japan
Prior art keywords
terminal
capacitor
power supply
echo
audio signal
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
JP2310878A
Other languages
Japanese (ja)
Other versions
JPS6364087B2 (en
Inventor
Toshio Oura
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2310878A priority Critical patent/JPS54115016A/en
Publication of JPS54115016A publication Critical patent/JPS54115016A/en
Publication of JPS6364087B2 publication Critical patent/JPS6364087B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To perform echo or residual image processing, by charging or discharging the capacitor to the first potential via a low resistance, discharging or charging gradually it to the second potential via a high resistance, and transmitting video or audio signal through the use of the transition of first and second potential.
CONSTITUTION: The first enhancement type isolation gate transistor IGFETQ1 and the depletion type IGFETQ2 as the first load element are connected between the ground of power supply and the connection terminal 3 of the capacitor 6, and further, the second IGFETQ3 is connected in series with the power supply VDD and the terminal 3, and the signal at the echo control input terminal 2 of opposite phase is fed to the gates of FETQ1 and Q3. Further, one of the terminal 3 is connected to the gate of the third IGFETQ4, and the fourth IGFETQ5 and IGFETQ6 are connected in series between FET4 and the power supply VDD, the audio signal input terminal 7 is connected to the junction of FETQ5, echo signal generating terminal 7 is connected to the junction of FETQ5 and Q6, allowing to perform echo processing for audio signal with the charge and discharge of the capacitor 6.
COPYRIGHT: (C)1979,JPO&Japio
JP2310878A 1978-02-28 1978-02-28 Signal processing circuit Granted JPS54115016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2310878A JPS54115016A (en) 1978-02-28 1978-02-28 Signal processing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2310878A JPS54115016A (en) 1978-02-28 1978-02-28 Signal processing circuit

Publications (2)

Publication Number Publication Date
JPS54115016A true JPS54115016A (en) 1979-09-07
JPS6364087B2 JPS6364087B2 (en) 1988-12-09

Family

ID=12101269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2310878A Granted JPS54115016A (en) 1978-02-28 1978-02-28 Signal processing circuit

Country Status (1)

Country Link
JP (1) JPS54115016A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747319A (en) * 1985-12-16 1988-05-31 Jidosha Kiki Co., Ltd. Actuator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024083U (en) * 1973-06-29 1975-03-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024083U (en) * 1973-06-29 1975-03-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747319A (en) * 1985-12-16 1988-05-31 Jidosha Kiki Co., Ltd. Actuator

Also Published As

Publication number Publication date
JPS6364087B2 (en) 1988-12-09

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