JPS6152879U - - Google Patents
Info
- Publication number
- JPS6152879U JPS6152879U JP13845284U JP13845284U JPS6152879U JP S6152879 U JPS6152879 U JP S6152879U JP 13845284 U JP13845284 U JP 13845284U JP 13845284 U JP13845284 U JP 13845284U JP S6152879 U JPS6152879 U JP S6152879U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- certain period
- noise
- analog 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
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Description
第１図および第２図は、本考案に係る周期ノイ
ズ除去装置の具体的実施例を示し、第１図は概略
ブロツク回路図、そして、第２図は各信号のタイ
ムチヤートである。また、第３図および第４図は
、従来技術を説明するためのものであつて、第３
図はノイズ処理前のタイムチヤート、そして、第
４図はノイズ処理後の拡大タイムチヤートである
。
４…分周周波数信号発生回路、５…遅延回路、
６…サンプルホールド回路、７…ローパスフイル
タ。
1 and 2 show a specific embodiment of the periodic noise removing device according to the present invention, FIG. 1 is a schematic block circuit diagram, and FIG. 2 is a time chart of each signal. Furthermore, FIGS. 3 and 4 are for explaining the prior art.
The figure shows a time chart before noise processing, and FIG. 4 shows an enlarged time chart after noise processing. 4...Divided frequency signal generation circuit, 5...Delay circuit,
6...Sample hold circuit, 7...Low pass filter.
Claims (1)
号から前記ノイズを除去する周期ノイズ除去装置
であつて、前記一定の周期で発生するノイズの周
期と位相同期のかかつた分周周波数信号を発生す
る回路と、その分周周波数信号発生回路の出力信
号を一定時間遅延させる回路を設けると共に、前
記遅延回路の出力信号をサンプリング信号として
前記アナログ信号を一定の周期でサンプリングす
るサンプルホールド回路を設け、かつ、前記サン
プルホールド回路により出力されるサンプル信号
をローパスフイルターにてアナログ信号に復元す
るように構成してあることを特徴とする周期ノイ
ズ除去装置。 A periodic noise removal device that removes noise from an analog signal containing noise that occurs at a certain period, the circuit generating a divided frequency signal that is phase synchronized with the period of the noise that occurs at the certain period. , a circuit for delaying the output signal of the divided frequency signal generation circuit for a certain period of time is provided, and a sample hold circuit is provided for sampling the analog signal at a certain period by using the output signal of the delay circuit as a sampling signal, and A periodic noise removal device characterized in that it is configured to restore a sample signal output by a sample hold circuit to an analog signal using a low-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13845284U JPS6152879U (en) | 1984-09-12 | 1984-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13845284U JPS6152879U (en) | 1984-09-12 | 1984-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6152879U true JPS6152879U (en) | 1986-04-09 |
Family
ID=30696844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13845284U Pending JPS6152879U (en) | 1984-09-12 | 1984-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6152879U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5979404A (en) * | 1982-10-29 | 1984-05-08 | Nakamichi Corp | Switching noise eliminator |
| JPS60182505A (en) * | 1984-03-01 | 1985-09-18 | Sanyo Electric Co Ltd | Eliminating circuit for sound signal noise |
-
1984
- 1984-09-12 JP JP13845284U patent/JPS6152879U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5979404A (en) * | 1982-10-29 | 1984-05-08 | Nakamichi Corp | Switching noise eliminator |
| JPS60182505A (en) * | 1984-03-01 | 1985-09-18 | Sanyo Electric Co Ltd | Eliminating circuit for sound signal noise |
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