JPH045797U - - Google Patents
Info
- Publication number
- JPH045797U JPH045797U JP1990046317U JP4631790U JPH045797U JP H045797 U JPH045797 U JP H045797U JP 1990046317 U JP1990046317 U JP 1990046317U JP 4631790 U JP4631790 U JP 4631790U JP H045797 U JPH045797 U JP H045797U
- Authority
- JP
- Japan
- Prior art keywords
- charging
- terminal
- rechargeable battery
- transistor
- microcomputer
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Transmitters (AREA)
Description
第１図は本考案の一実施例を示すワイヤレスマ
イクの一部断面側面図、第２図はその後端面に形
成した充電端子を示す部分底面図、第３図は充電
制御の電気回路図である。
１……ワイヤレスマイク、２……充電型電池、
２ａ……グランド極、２ｂ……充電−極、３……
充電＋端子、４……充電−端子、５……充電プラ
グ、１０……トランジスター、１０ａ……充電制
御ライン、１１……マイコンポート。
Fig. 1 is a partial cross-sectional side view of a wireless microphone showing an embodiment of the present invention, Fig. 2 is a partial bottom view showing a charging terminal formed on the rear end surface, and Fig. 3 is an electric circuit diagram for charging control. . 1...Wireless microphone, 2...Rechargeable battery,
2a...Ground pole, 2b...Charging-pole, 3...
Charging + terminal, 4... Charging - terminal, 5... Charging plug, 10... Transistor, 10a... Charging control line, 11... Microcomputer port.
Claims (1)
発信回路において、該マイコンのポート１１を介
して発信回路をオン状態にする充電型電池２の電
源回路を形成するとともに該充電型電池２のグラ
ンド極２ａ側にはこれと絶縁した充電−極２ｂを
取り付け、充電＋端子３を充電型電池２の＋極２
ｃと接続し、充電−端子４と前記ボート１１とを
接続する充電制御ライン１０ａにトランジスター
１０を接続するとともに前記充電−極２ｂを該ト
ランジスター１０のベースを介して該充電制御ラ
イン１０ａと接続し、該充電端子３，４に充電プ
ラグを接続して充電型電池２を充電する時、前記
トランジスター１０のオン動作で前記ポート１１
の電圧変化をみた前記マイコンが前記発信回路の
動作をオフ状態にすることを特徴とする内蔵充電
回路を有するカラオケ・マイク。 In the microcomputer-controlled transmitter circuit included in the wireless microphone 1, a power supply circuit for the rechargeable battery 2 that turns on the transmitter circuit via the port 11 of the microcomputer is formed, and a power supply circuit is connected to the ground pole 2a side of the rechargeable battery 2. Attach the charging - terminal 2b insulated from this, and connect the charging + terminal 3 to the + terminal 2 of the rechargeable battery 2.
A transistor 10 is connected to the charging control line 10a connecting the charging terminal 4 and the boat 11, and the charging terminal 2b is connected to the charging control line 10a through the base of the transistor 10. , when the charging plug is connected to the charging terminals 3 and 4 to charge the rechargeable battery 2, the port 11 is turned on by the ON operation of the transistor 10.
A karaoke microphone having a built-in charging circuit, wherein the microcomputer turns off the operation of the transmitting circuit upon seeing a voltage change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046317U JP2538293Y2 (en) | 1990-04-29 | 1990-04-29 | Karaoke microphone with built-in charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046317U JP2538293Y2 (en) | 1990-04-29 | 1990-04-29 | Karaoke microphone with built-in charging circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH045797U true JPH045797U (en) | 1992-01-20 |
| JP2538293Y2 JP2538293Y2 (en) | 1997-06-11 |
Family
ID=31561295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990046317U Expired - Fee Related JP2538293Y2 (en) | 1990-04-29 | 1990-04-29 | Karaoke microphone with built-in charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2538293Y2 (en) |
-
1990
- 1990-04-29 JP JP1990046317U patent/JP2538293Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2538293Y2 (en) | 1997-06-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |