JPS54115016A - Signal processing circuit - Google Patents
Signal processing circuitInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4747319A (en) * | 1985-12-16 | 1988-05-31 | Jidosha Kiki Co., Ltd. | Actuator |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5024083U (en) * | 1973-06-29 | 1975-03-18 |
-
1978
- 1978-02-28 JP JP2310878A patent/JPS54115016A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5024083U (en) * | 1973-06-29 | 1975-03-18 |
Cited By (1)
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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