JPS5652983A - Separator circuit of control signal block and data block of pcm regenerative signal - Google Patents
Separator circuit of control signal block and data block of pcm regenerative signalInfo
- Publication number
- JPS5652983A JPS5652983A JP12868379A JP12868379A JPS5652983A JP S5652983 A JPS5652983 A JP S5652983A JP 12868379 A JP12868379 A JP 12868379A JP 12868379 A JP12868379 A JP 12868379A JP S5652983 A JPS5652983 A JP S5652983A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- block
- control signal
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To separate the control signal block and the data block easily and exactly, by differentiating an output of the pulse generating circuit which is triggered by an output of the synchronizing separator circuit, and using a signal which has processed the said output by the delay circuit, the counter, etc. CONSTITUTION:A vertical synchronizing pulse, an equivalent pulse and a horizontal synchronizing pulse, which has been separated from in the regenerative signal by the synchronizing separator circuit 1 are input to the differentiating circuit 12, and an output of the differentiating circuit 12 resets the bit counter 20. Also, the vertical synchronizing pulse in an output of the synchronizing separator circuit 1 is separated by the integrating circuit 15, and a reset signal of the counter 21 is formed by the comparator 18. An output of the counter 21 is applied to the control signal block gate 22 and the data block gate 23. The regenerative signal is already applied to these gates 22, 23, and the control signal block and the data block are separated by these gates.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12868379A JPS5652983A (en) | 1979-10-05 | 1979-10-05 | Separator circuit of control signal block and data block of pcm regenerative signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12868379A JPS5652983A (en) | 1979-10-05 | 1979-10-05 | Separator circuit of control signal block and data block of pcm regenerative signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5652983A true JPS5652983A (en) | 1981-05-12 |
Family
ID=14990840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12868379A Pending JPS5652983A (en) | 1979-10-05 | 1979-10-05 | Separator circuit of control signal block and data block of pcm regenerative signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5652983A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4733305A (en) * | 1984-03-16 | 1988-03-22 | Hitachi, Ltd. | Conversational picture processing system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52141521A (en) * | 1976-05-20 | 1977-11-25 | Toshiba Corp | Single processor of tv set |
-
1979
- 1979-10-05 JP JP12868379A patent/JPS5652983A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52141521A (en) * | 1976-05-20 | 1977-11-25 | Toshiba Corp | Single processor of tv set |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4733305A (en) * | 1984-03-16 | 1988-03-22 | Hitachi, Ltd. | Conversational picture processing system |
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