JPH0454002U - - Google Patents
Info
- Publication number
- JPH0454002U JPH0454002U JP9482390U JP9482390U JPH0454002U JP H0454002 U JPH0454002 U JP H0454002U JP 9482390 U JP9482390 U JP 9482390U JP 9482390 U JP9482390 U JP 9482390U JP H0454002 U JPH0454002 U JP H0454002U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic recorder
- amplifier
- microcomputer
- receiver
- output
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Circuits Of Receivers In General (AREA)
Description
第１図はこの考案に係る磁気録音機のビートキ
ヤンセル回路の実施例を示すブロツク図である。
主な符号の説明、１……受信アンテナ、２……
ＡＭ受信機、３……各入力切換スイツチ、４……
パワーアンプ入力ボリユーム、５……パワーアン
プ、６……スピーカ、７……録音ヘツド、８……
録音アンプ、９……録音レベルボリユーム、１０
……アンプ、１１……ＢＩＡＳ発振回路、１２…
…ＢＩＡＳ周波数切換スイツチ、１３……バンド
パスフイルタ、１４……マイクロコンピユータ、
１５……表示器、ａ〜ｅ……各バンドパスフイル
タ。
FIG. 1 is a block diagram showing an embodiment of a beat cancel circuit for a magnetic recorder according to this invention. Explanation of main symbols, 1...Receiving antenna, 2...
AM receiver, 3...Each input selector switch, 4...
Power amplifier input volume, 5...Power amplifier, 6...Speaker, 7...Recording head, 8...
Recording amplifier, 9... Recording level volume, 10
...Amplifier, 11...BIAS oscillation circuit, 12...
...BIAS frequency selection switch, 13...Band pass filter, 14...Microcomputer,
15... Display unit, a to e... Each band pass filter.
Claims (1)
プと複数のバンドパスフイルタと、マイクロコン
ピユータと、前記固定ヘツド磁気録音機のＢＩＡ
Ｓ周波数切換スイツチとから成り、ＡＭ受信機の
出力を増幅するアンプは前記バンドパスフイルタ
に接続され、各バンドパスフイルタの出力を検知
してマイクロコンピユータで前記ＢＩＡＳ周波数
切換スイツチを制御するように構成したことを特
徴とする磁気録音機のビートキヤンセル回路。 an AM receiver, a fixed head magnetic recorder, an amplifier, a plurality of bandpass filters, a microcomputer, and a BIA of the fixed head magnetic recorder.
An amplifier for amplifying the output of the AM receiver is connected to the bandpass filter, and is configured to detect the output of each bandpass filter and control the BIAS frequency selection switch with a microcomputer. A beat cancel circuit for a magnetic recorder characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9482390U JPH0454002U (en) | 1990-09-11 | 1990-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9482390U JPH0454002U (en) | 1990-09-11 | 1990-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454002U true JPH0454002U (en) | 1992-05-08 |
Family
ID=31833073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9482390U Pending JPH0454002U (en) | 1990-09-11 | 1990-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454002U (en) |
-
1990
- 1990-09-11 JP JP9482390U patent/JPH0454002U/ja active Pending
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