JPH03110603U - - Google Patents
Info
- Publication number
- JPH03110603U JPH03110603U JP2020490U JP2020490U JPH03110603U JP H03110603 U JPH03110603 U JP H03110603U JP 2020490 U JP2020490 U JP 2020490U JP 2020490 U JP2020490 U JP 2020490U JP H03110603 U JPH03110603 U JP H03110603U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- test signal
- control
- tape recorder
- equalizer
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
第１図はこの考案の第１の実施例に係る録再兼
用ヘツド搭載のテープレコーダの録音系と再生系
の要部を示す回路図、第２図は第１図中のマイク
ロコンピユータのＲＯＭに格納されたデータの説
明図、第３図は第１図の動作説明図、第４図と第
５図は第１図中のマイクロコンピユータの動作を
示すフローチヤート、第６図はこの考案の第２の
実施例に係る録音ヘツドと再生ヘツドが別個に設
けられたテープレコーダの録音系と再生系の要部
を示す回路図、第７図は第６図中のマイクロコン
ピユータの動作を示すフローチヤート、第８図は
第６図の動作説明図である。第９図は従来のテー
プレコーダの録音系の要部を示す回路図である。
主な符号の説明、１０Ａ：録音イコライザアン
プ、１６：録音ヘツド、１６Ａ：録再兼用ヘツド
、１７：再生ヘツド、２２，２２Ａ：テスト信号
発生回路、２４，２４Ａ：マイクロコンピユータ
、２６：録音イコライザ、２８：電子ボリユーム
回路、４０：再生イコライザアンプ、４４：スペ
クトラムアナライザ、６８：操作部、ＳＷ３：切
り換えスイツチ。
Figure 1 is a circuit diagram showing the main parts of the recording system and playback system of a tape recorder equipped with a recording/playback head according to the first embodiment of this invention, and Figure 2 shows the ROM of the microcomputer in Figure 1. FIG. 3 is an explanatory diagram of the stored data. FIG. 3 is an explanatory diagram of the operation of FIG. 1. FIGS. 4 and 5 are flowcharts showing the operation of the microcomputer in FIG. 1. FIG. FIG. 7 is a flowchart showing the operation of the microcomputer in FIG. 6; FIG. 7 is a flowchart showing the operation of the microcomputer in FIG. , FIG. 8 is an explanatory diagram of the operation of FIG. 6. FIG. 9 is a circuit diagram showing the main parts of the recording system of a conventional tape recorder. Explanation of main symbols: 10A: Recording equalizer amplifier, 16: Recording head, 16A: Recording/playback head, 17: Playback head, 22, 22A: Test signal generation circuit, 24, 24A: Microcomputer, 26: Recording equalizer, 28: Electronic volume circuit, 40: Reproduction equalizer amplifier, 44: Spectrum analyzer, 68: Operation section, SW3: Changeover switch.
Claims (1)
可変できる録音イコライザアンプと、 再生イコライザアンプを通つたあとの再生信号
の周波数特性を検出する周波数特性検出手段と、 所定のテスト信号を発生するテスト信号発生手
段と、 オーデイオ信号とテスト信号を切り換えて録音
イコライザアンプに入力させる切り換えスイツチ
と、 テスト信号を録再したときの周波数特性検出手
段での検出特性とフラツトな特性との偏差を求め
、録音イコライザアンプの録音イコライザの周波
数特性の修正を行う録音イコライザ特性修正手段
と、 を含むことを特徴とするテープレコーダ。 (2) 切り換えスイツチの切り換え制御、テスト
信号の録音制御、巻き戻し制御、再生制御を順に
行う動作制御手段を設けたこと、を特徴とする請
求項１記載のテープレコーダ。 (3) テープレコーダは録音ヘツドと再生ヘツド
が別個に設けられており、切り換えスイツチの切
り換え制御、テスト信号の録音（同時モニタ）制
御を順に行う動作制御手段を設けたこと、を特徴
とする請求項１記載のテープレコーダ。[Scope of Claim for Utility Model Registration] (1) A recording equalizer amplifier that can vary the frequency characteristics of the recording equalizer by external control, a frequency characteristic detection means that detects the frequency characteristics of the reproduced signal after passing through the reproduction equalizer amplifier, and a test signal generation means for generating a test signal; a changeover switch for switching between an audio signal and a test signal and inputting it to a recording equalizer amplifier; and detection characteristics and flat characteristics of a frequency characteristic detection means when recording and playing back a test signal. A tape recorder comprising: recording equalizer characteristic correction means for determining the deviation from the frequency characteristic of the recording equalizer of the recording equalizer amplifier and correcting the frequency characteristics of the recording equalizer of the recording equalizer amplifier. 2. The tape recorder according to claim 1, further comprising operation control means that sequentially performs switching control of a changeover switch, recording control, rewinding control, and playback control of a test signal. (3) A claim characterized in that the tape recorder is provided with a recording head and a playback head separately, and is provided with operation control means that sequentially controls switching of a changeover switch and controls recording (simultaneous monitoring) of test signals. The tape recorder according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020490U JPH03110603U (en) | 1990-02-27 | 1990-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020490U JPH03110603U (en) | 1990-02-27 | 1990-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03110603U true JPH03110603U (en) | 1991-11-13 |
Family
ID=31523302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020490U Pending JPH03110603U (en) | 1990-02-27 | 1990-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03110603U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552509A (en) * | 1978-10-05 | 1980-04-17 | Pioneer Electronic Corp | Automatic detector for optimum recording characteristic of magnetic recording and reproducing device |
-
1990
- 1990-02-27 JP JP2020490U patent/JPH03110603U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5552509A (en) * | 1978-10-05 | 1980-04-17 | Pioneer Electronic Corp | Automatic detector for optimum recording characteristic of magnetic recording and reproducing device |
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