JPS5936012U - Beat removal circuit - Google Patents
Beat removal circuitInfo
- Publication number
- JPS5936012U JPS5936012U JP13142082U JP13142082U JPS5936012U JP S5936012 U JPS5936012 U JP S5936012U JP 13142082 U JP13142082 U JP 13142082U JP 13142082 U JP13142082 U JP 13142082U JP S5936012 U JPS5936012 U JP S5936012U
- Authority
- JP
- Japan
- Prior art keywords
- beat removal
- removal circuit
- tape
- beat
- circuit
- 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
- Digital Magnetic 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のビート除去回路の回路図、第２図は録音
バイアス周波数と録音バイアス電流との関係の説明図、
第３図はノーマルテープにおいて録音バイアス電流を変
化させた場合の録再周波数特性の説明図、第４図はメタ
ルテープにおいて録音バイアス電流を変化させた場合の
録再周波数特性の説明図、第５図は本考案の一実施例に
おけるビート除去回路の回路図である。
１・・−バイアス発振回路、２・・・消去ヘッド、３・
・・周波数切換用コンデンサ、４・・・ビート除去スイ
ッチ、６・・・録再ヘッド、７・・・テープセレクタス
イッチ。Figure 1 is a circuit diagram of a conventional beat removal circuit, Figure 2 is an explanatory diagram of the relationship between recording bias frequency and recording bias current,
Fig. 3 is an explanatory diagram of the recording/reproducing frequency characteristics when the recording bias current is changed for a normal tape, Fig. 4 is an explanatory diagram of the recording/reproducing frequency characteristics when the recording bias current is varied for a metal tape, and Fig. 5 The figure is a circuit diagram of a beat removal circuit in one embodiment of the present invention. 1...-bias oscillation circuit, 2... erasing head, 3...
... Frequency switching capacitor, 4... Beat removal switch, 6... Recording/playback head, 7... Tape selector switch.
Claims (1)
イッチに直列又は並列に、使用テープの４種類を選択す
るテープセレクタスイッチを接続し、このテープセレク
タスイッチの少なくとも一つの切換え位置では前記バイ
アス発振回路の発振周波数が切り換わらないように構成
したビート除去回路。A tape selector switch that selects four types of tape to be used is connected in series or parallel to a beat removal switch that changes the oscillation frequency of the bias oscillation circuit, and at least one switching position of this tape selector switch changes the oscillation frequency of the bias oscillation circuit. Beat removal circuit configured to prevent switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13142082U JPS5936012U (en) | 1982-08-30 | 1982-08-30 | Beat removal circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13142082U JPS5936012U (en) | 1982-08-30 | 1982-08-30 | Beat removal circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5936012U true JPS5936012U (en) | 1984-03-06 |
Family
ID=30297112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13142082U Pending JPS5936012U (en) | 1982-08-30 | 1982-08-30 | Beat removal circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5936012U (en) |
-
1982
- 1982-08-30 JP JP13142082U patent/JPS5936012U/en active Pending
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