JPS6442558U - - Google Patents
Info
- Publication number
- JPS6442558U JPS6442558U JP13649687U JP13649687U JPS6442558U JP S6442558 U JPS6442558 U JP S6442558U JP 13649687 U JP13649687 U JP 13649687U JP 13649687 U JP13649687 U JP 13649687U JP S6442558 U JPS6442558 U JP S6442558U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- playback
- absence
- tape
- muting
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
図は本考案ミキシング再生回路の回路構成図で
ある。
1,2……左右チヤンネルの再生ヘツド、6…
…テープ出力アンプ、7……マイク入力端子、1
0……エコーアンプ、12……マイク出力アンプ
、13……ミキシングアンプ、14……出力アン
プ、15……スピーカ、16,17……バツフア
アンプ、18……コントロールアンプ、19……
検知手段、24……ミユーテイング用トランジス
タ。
The figure is a circuit configuration diagram of the mixing and reproducing circuit of the present invention. 1, 2...Playback head for left and right channels, 6...
...Tape output amplifier, 7...Microphone input terminal, 1
0...Echo amplifier, 12...Mic output amplifier, 13...Mixing amplifier, 14...Output amplifier, 15...Speaker, 16, 17...Buffer amplifier, 18...Control amplifier, 19...
Detection means, 24... Muting transistor.
Claims (1)
し、このミキシング信号を出力回路を通じてスピ
ーカより出力するようにしたミキシング再生回路
において、前記テープ再生信号の有無及び/又は
マイク信号の有無を検知する検知手段と、該検知
手段によつて各信号がともに無いことを検知した
時前記出力回路をミユートするミユーテイング手
段とを設けたことを特徴とするミキシング再生回
路。 In a mixing playback circuit that mixes a microphone signal with a playback signal of a tape or the like and outputs the mixed signal from a speaker through an output circuit, a detection means for detecting the presence or absence of the tape playback signal and/or the presence or absence of the microphone signal; and muting means for muting the output circuit when the detection means detects that both signals are absent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13649687U JPS6442558U (en) | 1987-09-07 | 1987-09-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13649687U JPS6442558U (en) | 1987-09-07 | 1987-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6442558U true JPS6442558U (en) | 1989-03-14 |
Family
ID=31397062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13649687U Pending JPS6442558U (en) | 1987-09-07 | 1987-09-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6442558U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02118388U (en) * | 1989-03-10 | 1990-09-21 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58137108A (en) * | 1982-02-08 | 1983-08-15 | Sanyo Electric Co Ltd | Noise preventing device |
JPS60247806A (en) * | 1984-05-24 | 1985-12-07 | Matsushita Electric Ind Co Ltd | Tape recorder with microphone mixing function |
-
1987
- 1987-09-07 JP JP13649687U patent/JPS6442558U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58137108A (en) * | 1982-02-08 | 1983-08-15 | Sanyo Electric Co Ltd | Noise preventing device |
JPS60247806A (en) * | 1984-05-24 | 1985-12-07 | Matsushita Electric Ind Co Ltd | Tape recorder with microphone mixing function |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02118388U (en) * | 1989-03-10 | 1990-09-21 |
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