JPH0438197U - - Google Patents
Info
- Publication number
- JPH0438197U JPH0438197U JP1990040001U JP4000190U JPH0438197U JP H0438197 U JPH0438197 U JP H0438197U JP 1990040001 U JP1990040001 U JP 1990040001U JP 4000190 U JP4000190 U JP 4000190U JP H0438197 U JPH0438197 U JP H0438197U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- key
- microphone
- control switch
- control
- 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
- Details Of Audible-Bandwidth Transducers (AREA)
Description
第1図は本考案のマイクロホンの配線状態を示
す図、第2図はキーのコントロールスイツチの一
実施例を示す回路図、第3図はキーの調整制御の
一例を示す回路図である。
尚、図中2……電源スイツチ、3……マイクユ
ニツト、7,8……アンドデート。
FIG. 1 is a diagram showing the wiring state of the microphone of the present invention, FIG. 2 is a circuit diagram showing an embodiment of a key control switch, and FIG. 3 is a circuit diagram showing an example of key adjustment control. In the figure, 2... power switch, 3... microphone unit, 7, 8... and date.
Claims (1)
ーのUPとDOWNを択一的に選択し得るコント
ロールスイツチ4を設ける一方、該コントロール
スイツチの開閉に従つて条件が成立すアンドゲー
ト7,8をTTL回路11によつて構成し、該回
路よりキーのUP又はDOWNの信号を出力する
ことを特徴としたキーコントロール付マイクロホ
ン。 In addition to the power switch 2 of the microphone unit 3, a control switch 4 is provided that can selectively select the UP and DOWN keys, and the AND gates 7 and 8, which satisfy conditions according to the opening and closing of the control switch, are set to TTL. A microphone with a key control comprising a circuit 11 and outputting a key UP or DOWN signal from the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990040001U JPH0438197U (en) | 1990-04-12 | 1990-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990040001U JPH0438197U (en) | 1990-04-12 | 1990-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0438197U true JPH0438197U (en) | 1992-03-31 |
Family
ID=31549410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990040001U Pending JPH0438197U (en) | 1990-04-12 | 1990-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438197U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60194927A (en) * | 1984-03-19 | 1985-10-03 | 松下電器産業株式会社 | vacuum cleaner floor nozzle |
-
1990
- 1990-04-12 JP JP1990040001U patent/JPH0438197U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60194927A (en) * | 1984-03-19 | 1985-10-03 | 松下電器産業株式会社 | vacuum cleaner floor nozzle |