JPS6478590A - Information quantity measuring circuit - Google Patents
Information quantity measuring circuitInfo
- Publication number
- JPS6478590A JPS6478590A JP62236710A JP23671087A JPS6478590A JP S6478590 A JPS6478590 A JP S6478590A JP 62236710 A JP62236710 A JP 62236710A JP 23671087 A JP23671087 A JP 23671087A JP S6478590 A JPS6478590 A JP S6478590A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- signal
- control part
- counter
- information quantity
- 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
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
PURPOSE:To reduce the scale of an information quantity measuring circuit by transmitting a measured value to a control part as the quantity of encoding information. CONSTITUTION:Since the encoding start signal of L level is applied to the clear CLR terminal of an RS-FF 81 and a counter 91 from a control part 2 where a vertical synchronizing signal V is inputted, the signal of H level of the Q terminal of the RS-FF 81 passes through an AND gate 93 and is applied to the EN terminal of the counter 91 to start a count. At the time of inputting an encoding completion signal from the control part 2, the signal of L level from the Q terminal of the RS-FF 81 is applied to the EN terminal of the counter 91 to stop a counting operation and transmits a counted value to the control part 2 as the encoding information quantity during this time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62236710A JPH0787581B2 (en) | 1987-09-21 | 1987-09-21 | Band compression coding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62236710A JPH0787581B2 (en) | 1987-09-21 | 1987-09-21 | Band compression coding device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6478590A true JPS6478590A (en) | 1989-03-24 |
JPH0787581B2 JPH0787581B2 (en) | 1995-09-20 |
Family
ID=17004618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62236710A Expired - Lifetime JPH0787581B2 (en) | 1987-09-21 | 1987-09-21 | Band compression coding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0787581B2 (en) |
-
1987
- 1987-09-21 JP JP62236710A patent/JPH0787581B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0787581B2 (en) | 1995-09-20 |
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