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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