JPS6324705U - - Google Patents
Info
- Publication number
- JPS6324705U JPS6324705U JP11688186U JP11688186U JPS6324705U JP S6324705 U JPS6324705 U JP S6324705U JP 11688186 U JP11688186 U JP 11688186U JP 11688186 U JP11688186 U JP 11688186U JP S6324705 U JPS6324705 U JP S6324705U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- hold pulse
- hold
- noise removal
- 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.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は実施例のブロツク図、第２図、第３図
は実施例の回路図、第４図は従来例のブロツク図
、第５図、第６図は説明のための波形図である。
１０……モノマルチ、１３……時定数回路、１
４……スイツチ手段。
Fig. 1 is a block diagram of the embodiment, Figs. 2 and 3 are circuit diagrams of the embodiment, Fig. 4 is a block diagram of the conventional example, and Figs. 5 and 6 are waveform diagrams for explanation. . 10...Mono multi, 13...Time constant circuit, 1
4... Switch means.
補正 昭６２．１０．１
図面の簡単な説明を次のように補正する。
明細書第６頁第１８行目を下記の如く補正する
。
「第５図、第６図は説明のための波形図である
。又、第７図は他の実施例の回路図である。」Amendment October 1, 1982 The brief description of the drawing is amended as follows. Page 6, line 18 of the specification is amended as follows. ``Figures 5 and 6 are waveform diagrams for explanation. Also, Figure 7 is a circuit diagram of another embodiment.''
Claims (1)
れた記録媒体から複数の回転ヘツドを用いて再生
する磁気記録再生装置の雑音除去回路において、
復調音声信号の前値保持を行なうホールド回路と
、ヘツド切換信号に基づきホールドパルスを作成
するホールドパルス発生回路と、テープ速度判別
信号に基づきホールドパルス幅を変更するスイツ
チ手段を備えることを特徴とする雑音除去回路。 In a noise removal circuit for a magnetic recording and reproducing device that reproduces frequency modulated audio signals from a recording medium recorded on a plurality of tracks using a plurality of rotating heads,
The present invention is characterized by comprising a hold circuit for holding the previous value of the demodulated audio signal, a hold pulse generation circuit for generating a hold pulse based on a head switching signal, and a switch means for changing the hold pulse width based on a tape speed discrimination signal. Noise removal circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11688186U JPH075522Y2 (en) | 1986-07-30 | 1986-07-30 | Noise elimination circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11688186U JPH075522Y2 (en) | 1986-07-30 | 1986-07-30 | Noise elimination circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6324705U true JPS6324705U (en) | 1988-02-18 |
| JPH075522Y2 JPH075522Y2 (en) | 1995-02-08 |
Family
ID=31001885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11688186U Expired - Lifetime JPH075522Y2 (en) | 1986-07-30 | 1986-07-30 | Noise elimination circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH075522Y2 (en) |
-
1986
- 1986-07-30 JP JP11688186U patent/JPH075522Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH075522Y2 (en) | 1995-02-08 |
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