JPS5648767A - Two-screen television receiver - Google Patents
Two-screen television receiverInfo
- Publication number
- JPS5648767A JPS5648767A JP12407279A JP12407279A JPS5648767A JP S5648767 A JPS5648767 A JP S5648767A JP 12407279 A JP12407279 A JP 12407279A JP 12407279 A JP12407279 A JP 12407279A JP S5648767 A JPS5648767 A JP S5648767A
- Authority
- JP
- Japan
- Prior art keywords
- interlacing
- corrections
- stops
- screen
- subordinate
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To improve deterioration of a subordinate screen image, by stopping corrections of interlacing when write operation of a one-field memory is stopped. CONSTITUTION:When the voltage of electric power source 21 is supplied to readout address generating circuit 16 and interlacing correcting circuit 17 with the subordinate screen still switch closed, readout address generating circuit 16 stops the supply of an address for data transfer from the line memory to the field memory and interlacing correcting circuit 17 controls readout address generating circuit 16 to stop interlacing corrections. Therefore, closing subordinate screen still switch 20 stops the write operation of the field memory and also stops interlacing corrections. Consequently, even if the phase difference of a master screen video signal changes, an interlacing correction position moves vertically on a still picture on the subordinate screen, so that the subordinate screen picture will not deteriorate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12407279A JPS5648767A (en) | 1979-09-28 | 1979-09-28 | Two-screen television receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12407279A JPS5648767A (en) | 1979-09-28 | 1979-09-28 | Two-screen television receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5648767A true JPS5648767A (en) | 1981-05-02 |
JPS6223507B2 JPS6223507B2 (en) | 1987-05-23 |
Family
ID=14876237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12407279A Granted JPS5648767A (en) | 1979-09-28 | 1979-09-28 | Two-screen television receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5648767A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60206383A (en) * | 1984-03-30 | 1985-10-17 | Matsushita Electric Ind Co Ltd | Television receiver |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01131608A (en) * | 1987-11-17 | 1989-05-24 | Kamaya Kagaku Kogyo Co Ltd | Cosmetic container |
-
1979
- 1979-09-28 JP JP12407279A patent/JPS5648767A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60206383A (en) * | 1984-03-30 | 1985-10-17 | Matsushita Electric Ind Co Ltd | Television receiver |
JPH0314272B2 (en) * | 1984-03-30 | 1991-02-26 | Matsushita Electric Ind Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS6223507B2 (en) | 1987-05-23 |
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