JPS554139A - Television signal regenerator - Google Patents
Television signal regeneratorInfo
- Publication number
- JPS554139A JPS554139A JP7694878A JP7694878A JPS554139A JP S554139 A JPS554139 A JP S554139A JP 7694878 A JP7694878 A JP 7694878A JP 7694878 A JP7694878 A JP 7694878A JP S554139 A JPS554139 A JP S554139A
- Authority
- JP
- Japan
- Prior art keywords
- information
- circuit
- supplied
- memory
- channel
- 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
Landscapes
- Television Systems (AREA)
Abstract
PURPOSE: To make it possible to store both old information and new information together by equipping two memory units and by storing the 2nd memory unit with information required to be retained for a long time and the 1st memory unit with information sent in sequence.
CONSTITUTION: A sampling gate signal from gate signal generating circuit 20 is supplied to information signal sampling circuit 21 and only information signals are extracted from TV signals from video detection circuit 14. This signal is supplied to decision circuit 22, a required channel is selected by channel selector circuit 23, and information on this channel is stored in memory 24. As for read operation, the memory content of memory unit 24 is supplied to synthesizer circuit 15, superposed on a video signal and regenerated on cathode-ray tube 19. To maintain this information for a long time, the content of memory unit 24 is added by mixer circuit 30 to channel and channel-number signals before being supplied to memory unit 34. To read out this, the memory information is supplied to cathode-ray tube 19 via switches 31 and 43 under the control of circuit 23.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7694878A JPS554139A (en) | 1978-06-27 | 1978-06-27 | Television signal regenerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7694878A JPS554139A (en) | 1978-06-27 | 1978-06-27 | Television signal regenerator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS554139A true JPS554139A (en) | 1980-01-12 |
Family
ID=13619976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7694878A Pending JPS554139A (en) | 1978-06-27 | 1978-06-27 | Television signal regenerator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS554139A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5679586A (en) * | 1979-12-03 | 1981-06-30 | Hitachi Ltd | Receiver for character and graph information |
JPS56116385A (en) * | 1980-02-19 | 1981-09-12 | Sharp Corp | Receiver for character broadcast |
CN113241404A (en) * | 2021-03-29 | 2021-08-10 | 天津理工大学 | Self-gating device based on two-dimensional molybdenum oxide/molybdenum sulfide laminated structure and manufacturing method thereof |
-
1978
- 1978-06-27 JP JP7694878A patent/JPS554139A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5679586A (en) * | 1979-12-03 | 1981-06-30 | Hitachi Ltd | Receiver for character and graph information |
JPS56116385A (en) * | 1980-02-19 | 1981-09-12 | Sharp Corp | Receiver for character broadcast |
JPH0381352B2 (en) * | 1980-02-19 | 1991-12-27 | Sharp Kk | |
CN113241404A (en) * | 2021-03-29 | 2021-08-10 | 天津理工大学 | Self-gating device based on two-dimensional molybdenum oxide/molybdenum sulfide laminated structure and manufacturing method thereof |
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