JPS5468111A - Display circuit for television receiver - Google Patents
Display circuit for television receiverInfo
- Publication number
- JPS5468111A JPS5468111A JP13540977A JP13540977A JPS5468111A JP S5468111 A JPS5468111 A JP S5468111A JP 13540977 A JP13540977 A JP 13540977A JP 13540977 A JP13540977 A JP 13540977A JP S5468111 A JPS5468111 A JP S5468111A
- Authority
- JP
- Japan
- Prior art keywords
- output
- display
- circuit
- signal
- sound
- 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
Landscapes
- Color Television Systems (AREA)
Abstract
PURPOSE: To display the condition of silence with volume zero and the condition present in the volume with different colors each other on the color receiving tube.
CONSTITUTION: The circuit of the sound volume display 4 and silent bar display 5 is the AND circuit of negative logic with diodes and transistors, and the output of negative logic is fed to the base of the drive element via diodes. The signal of the volume sound display control circuit 1 and the level of the integration output 23 of the pulse pressence judging circuit 3 are detected, and the output pulse 11 of the pulse width modulation is silent with the silent tone switch operated and the integration output is zero volt. AND is taken when the signal from the circuit 1 is zero, the output 30 is increased by applying it to the element 35 and applied to the cathode of R-Y of the receiving tube 6, allowing to display red bar display which indicates no sound. On the other hand, in the sound bar display, the signal 28 inverting the signal 23 with the transistor 36 and the control signal from the circuit 1 when the pulse width modulation output pulse 11 is present are in agreement (AND) with the transistor 37 and the output 29 is applied to the cathode of G-Y after being increased and green sound volume is displayed for bar display.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52135409A JPS5831151B2 (en) | 1977-11-10 | 1977-11-10 | Television receiver display circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52135409A JPS5831151B2 (en) | 1977-11-10 | 1977-11-10 | Television receiver display circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5468111A true JPS5468111A (en) | 1979-06-01 |
JPS5831151B2 JPS5831151B2 (en) | 1983-07-04 |
Family
ID=15151043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52135409A Expired JPS5831151B2 (en) | 1977-11-10 | 1977-11-10 | Television receiver display circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5831151B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58161581A (en) * | 1982-03-19 | 1983-09-26 | Matsushita Electric Ind Co Ltd | Sound volume level display |
-
1977
- 1977-11-10 JP JP52135409A patent/JPS5831151B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58161581A (en) * | 1982-03-19 | 1983-09-26 | Matsushita Electric Ind Co Ltd | Sound volume level display |
Also Published As
Publication number | Publication date |
---|---|
JPS5831151B2 (en) | 1983-07-04 |
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