JPS5819580U - Buzz prevention circuit for magnetic playback equipment - Google Patents
Buzz prevention circuit for magnetic playback equipmentInfo
- Publication number
- JPS5819580U JPS5819580U JP11154681U JP11154681U JPS5819580U JP S5819580 U JPS5819580 U JP S5819580U JP 11154681 U JP11154681 U JP 11154681U JP 11154681 U JP11154681 U JP 11154681U JP S5819580 U JPS5819580 U JP S5819580U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- prevention circuit
- frequency
- buzz
- playback equipment
- 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
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Television Signal Processing For Recording (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案回路の一実施例の回路図、第２図は第１
図示の回路の入力映像信号の周波数スペクトラム、第３
図は第１図示の回路のＲＦコンバータ出力信号の周波数
スペクトラム、第４図は第１図示の回路における特殊再
生時のＲＦコンバータ入力信号の周波数スペクトラムで
ある。
１・・・入力端子、５・・・ＲＦコンバータ、７・・・
トラップ回路、８・・・トランジスタ、９・・・特殊再
生モード切換スイッチ。Figure 1 is a circuit diagram of one embodiment of the circuit of the present invention, and Figure 2 is a circuit diagram of an embodiment of the circuit of the present invention.
Frequency spectrum of the input video signal of the illustrated circuit, 3rd
FIG. 4 shows the frequency spectrum of the RF converter output signal of the circuit shown in FIG. 1, and FIG. 4 shows the frequency spectrum of the RF converter input signal during special reproduction in the circuit shown in FIG. 1...Input terminal, 5...RF converter, 7...
Trap circuit, 8...transistor, 9...special reproduction mode changeover switch.
Claims (2)
ータにて周波数変換してとり出す回路中核ＲＦコンバー
タの入力とアースとの間に高速再生、静止画再生等の特
殊再生モード時にのみ該映像信号の所定周波数をトラッ
プする回路を接続するように切換える回路を設けてなる
磁気再生装置のバス音防止回路。(1) The circuit core that converts the frequency of the video signal reproduced from the recorded medium using the RF converter and takes it out. The connection between the input of the RF converter and the ground is limited to the video only during special playback modes such as high-speed playback and still image playback. A bass sound prevention circuit for a magnetic reproducing device, which is provided with a circuit that switches to connect a circuit that traps a predetermined frequency of a signal.
数との差の妻の周波数である実用新案登録請求の範囲第
１項記載の磁気再生装置のバス音防止回路。(2) The bass sound prevention circuit for a magnetic reproducing device according to claim 1, wherein the predetermined frequency is a frequency equal to the difference between the audio carrier frequency and the video carrier frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11154681U JPS5819580U (en) | 1981-07-29 | 1981-07-29 | Buzz prevention circuit for magnetic playback equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11154681U JPS5819580U (en) | 1981-07-29 | 1981-07-29 | Buzz prevention circuit for magnetic playback equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5819580U true JPS5819580U (en) | 1983-02-07 |
Family
ID=29905882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11154681U Pending JPS5819580U (en) | 1981-07-29 | 1981-07-29 | Buzz prevention circuit for magnetic playback equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5819580U (en) |
-
1981
- 1981-07-29 JP JP11154681U patent/JPS5819580U/en active Pending
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