JPS5956880U - Clock pulse generation circuit - Google Patents
Clock pulse generation circuitInfo
- Publication number
- JPS5956880U JPS5956880U JP14839582U JP14839582U JPS5956880U JP S5956880 U JPS5956880 U JP S5956880U JP 14839582 U JP14839582 U JP 14839582U JP 14839582 U JP14839582 U JP 14839582U JP S5956880 U JPS5956880 U JP S5956880U
- Authority
- JP
- Japan
- Prior art keywords
- shift register
- signal
- generation circuit
- pulse generation
- clock
- 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)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はパケット伝送される文字信号が多重化されたテ
レビジョン信号を示す波形図、第２図は第１図に示す文
字信号の拡大図、第３図は本考案によるクロックパルス
発生回路の一実施例を示す回路図、第４図ａ、 ｂおよ
び第５図ａｘｄは第３図に示す回路の各部動作波形図で
ある。
１、・・・シフトレジスタ、２・・・基準発振回路、３
・・・Ｎ進カウンタ。５FIG. 1 is a waveform diagram showing a television signal in which packet-transmitted character signals are multiplexed, FIG. 2 is an enlarged view of the character signal shown in FIG. 1, and FIG. 3 is a diagram of a clock pulse generation circuit according to the present invention. The circuit diagrams illustrating one embodiment, FIGS. 4a and 4b and FIG. 5 axd, are operational waveform diagrams of each part of the circuit shown in FIG. 3. 1. Shift register, 2. Reference oscillation circuit, 3.
...N-ary counter. 5
Claims (1)
る走り込み基準信号をクロック入力として“１パ信号の
シフト動作を行なうとともに水平同期信号によってクリ
アされるシフトレジスタと、クロックパルスを発生する
基準発振回路と、前記シフトレジスタの出力信号によっ
てクリアが解除されて前記クロックパルスを計数するこ
とによりＮ分周されたサンプリングクロックを発生する
Ｎ進カウンタとを備え、前記シフトレジスタは走り込み
基準信号０不安亨期間を越えた時点１於パて出力を発生
する様にその段数が設定されていることを特徴とするク
ロックパルス発生回路。A shift register that uses the run-in reference signal located at the beginning of the information sent by packet transmission as a clock input to perform a shift operation of the "1P signal" and is cleared by a horizontal synchronization signal, and a reference oscillation circuit that generates clock pulses. and an N-ary counter that is cleared by an output signal of the shift register and generates a sampling clock frequency-divided by N by counting the clock pulses, and the shift register is configured to operate during the running reference signal 0 instability period. 1. A clock pulse generation circuit characterized in that the number of stages is set so that an output is generated once the pulse exceeds 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14839582U JPS5956880U (en) | 1982-09-30 | 1982-09-30 | Clock pulse generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14839582U JPS5956880U (en) | 1982-09-30 | 1982-09-30 | Clock pulse generation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5956880U true JPS5956880U (en) | 1984-04-13 |
Family
ID=30329712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14839582U Pending JPS5956880U (en) | 1982-09-30 | 1982-09-30 | Clock pulse generation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5956880U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS532032A (en) * | 1976-06-29 | 1978-01-10 | Sony Corp | Phase extraction circuit of burst signal |
| JPS597272A (en) * | 1982-07-05 | 1984-01-14 | Japan Electronic Control Syst Co Ltd | Self-diagnosis starting system of self-diagnosing device of engine for motorcar |
-
1982
- 1982-09-30 JP JP14839582U patent/JPS5956880U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS532032A (en) * | 1976-06-29 | 1978-01-10 | Sony Corp | Phase extraction circuit of burst signal |
| JPS597272A (en) * | 1982-07-05 | 1984-01-14 | Japan Electronic Control Syst Co Ltd | Self-diagnosis starting system of self-diagnosing device of engine for motorcar |
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