JPS558189A - Television picture receiver - Google Patents
Television picture receiverInfo
- Publication number
- JPS558189A JPS558189A JP8221078A JP8221078A JPS558189A JP S558189 A JPS558189 A JP S558189A JP 8221078 A JP8221078 A JP 8221078A JP 8221078 A JP8221078 A JP 8221078A JP S558189 A JPS558189 A JP S558189A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuits
- circuit
- channel
- field intensity
- 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.)
- Pending
Links
Abstract
PURPOSE: To secure a high-quality picture image for the TV picture receiver which displays the pictures of different 1st and 2nd TV signals on one CRT by providing the detection circuit for the field intensity and thus removing the selection channel to the different place in the case of the weak field intensity.
CONSTITUTION: The broadcast signal of channel A is applied from antenna 1 via tuner, intermediate amplifying, detection and video amplifying circuits 2∼5. At the same time, video signal P (a) is applied to signal selection circuit 13, and the signal of channel B selected through tuner 6 is applied to control circuit 20 via circuits 7∼9. At circuit 20 signal (b) is sampled to memorize each sampling, and the memorized signal is read out in the double speed to obtain video signal (c) the time axis of which is compressed to 1/2. Circuit 13 switches selectively the emerging of signal (c) with every field, and the video signals of channels A and B are delivered in the form of combination signal (d). Field intensity detection circuits 24 and 25 are provided to channels A and B each. And in case the field intensity is weak, the channel is moved to the different place by the output of circuits 24 and 25 and via selection circuits 26 and 27 to obtain a high-quality picture.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8221078A JPS558189A (en) | 1978-07-05 | 1978-07-05 | Television picture receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8221078A JPS558189A (en) | 1978-07-05 | 1978-07-05 | Television picture receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS558189A true JPS558189A (en) | 1980-01-21 |
Family
ID=13768051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8221078A Pending JPS558189A (en) | 1978-07-05 | 1978-07-05 | Television picture receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS558189A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58126119A (en) * | 1982-01-22 | 1983-07-27 | Mitsubishi Chem Ind Ltd | Manufacture of molding excellent in optical property |
JPS5925773A (en) * | 1982-10-12 | 1984-02-09 | 太陽電子株式会社 | Game control of pinball type combination game machine |
JPS6350173A (en) * | 1986-08-19 | 1988-03-03 | Sony Corp | Television receiving set |
-
1978
- 1978-07-05 JP JP8221078A patent/JPS558189A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58126119A (en) * | 1982-01-22 | 1983-07-27 | Mitsubishi Chem Ind Ltd | Manufacture of molding excellent in optical property |
JPS6356043B2 (en) * | 1982-01-22 | 1988-11-07 | Mitsubishi Chem Ind | |
JPS5925773A (en) * | 1982-10-12 | 1984-02-09 | 太陽電子株式会社 | Game control of pinball type combination game machine |
JPS6350173A (en) * | 1986-08-19 | 1988-03-03 | Sony Corp | Television receiving set |
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