JPH0458823U - - Google Patents
Info
- Publication number
- JPH0458823U JPH0458823U JP9758090U JP9758090U JPH0458823U JP H0458823 U JPH0458823 U JP H0458823U JP 9758090 U JP9758090 U JP 9758090U JP 9758090 U JP9758090 U JP 9758090U JP H0458823 U JPH0458823 U JP H0458823U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- signal
- automatic control
- section
- output
- 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 4
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図はこの考案の概要を示すブロツク構成図
である。
なお図中２はテープレコーダ機構部、３は自動
制御部、４はテープ信号増巾器、５は混合器、７
は出力トランス、８はリレースイツチ、９はスピ
ーカー接続端子、１０はタイマー部、１２は信号
検出部、１４はマイク、２０はテープ／マイク切
替スイツチ、２３はオートスイツチである。
FIG. 1 is a block diagram showing the outline of this invention. In the figure, 2 is a tape recorder mechanism section, 3 is an automatic control section, 4 is a tape signal amplifier, 5 is a mixer, and 7 is a tape recorder mechanism section.
1 is an output transformer, 8 is a relay switch, 9 is a speaker connection terminal, 10 is a timer section, 12 is a signal detection section, 14 is a microphone, 20 is a tape/microphone changeover switch, and 23 is an auto switch.
Claims (1)
出力信号をとり出す自動制御部を設け、また上記
テープレコーダ機構部を駆動させるタイマー部を
自動制御部と接続し、上記自動制御部からのテー
プ出力信号を信号増巾部及び混合器を介して受け
る、マツチングトランスから成る出力トランスを
設け、このマツチングトランスと、スピーカー接
続端子とをリレースイツチを介して接続し、上記
テープ出力信号の一定周波数を検出する信号検出
部を設け、この検出信号を上記自動制御部に出力
するよう接続し、直列接続したマイク及びマイク
増巾器を上記混合器に接続し、上記混合器へのテ
ープ出力信号とマイク出力信号とを切り替えるテ
ープ／マイク切替スイツチを設け、また上記出力
トランスとスピーカー接続端子との間のリレース
イツチをオンオフさせるオートスイツチを設けた
ことを特徴とする、場内等の自動放送装置。 An automatic control section is provided to control the drive of the tape recorder mechanism section and take out a tape output signal, and a timer section for driving the tape recorder mechanism section is connected to the automatic control section, and the tape output signal from the automatic control section is connected to the automatic control section. An output transformer consisting of a matching transformer is provided, which receives the signal through a signal amplification section and a mixer, and the matching transformer and the speaker connection terminal are connected through a relay switch, so that the constant frequency of the tape output signal is adjusted. A signal detection unit is provided to detect the detection signal, and the detection signal is connected to be output to the automatic control unit, and a series-connected microphone and a microphone amplifier are connected to the mixer, and the tape output signal to the mixer and the microphone are connected. An automatic broadcasting device for use in venues, etc., characterized in that it is provided with a tape/microphone changeover switch for switching output signals, and an auto switch that turns on and off a relay switch between the output transformer and the speaker connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9758090U JPH0458823U (en) | 1990-09-19 | 1990-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9758090U JPH0458823U (en) | 1990-09-19 | 1990-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0458823U true JPH0458823U (en) | 1992-05-20 |
Family
ID=31838066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9758090U Pending JPH0458823U (en) | 1990-09-19 | 1990-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0458823U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119200A (en) * | 1983-11-30 | 1985-06-26 | Nec Home Electronics Ltd | Portable speaker |
| JPS61164400A (en) * | 1985-01-17 | 1986-07-25 | Fujitsu Ltd | Loudspeaker system |
-
1990
- 1990-09-19 JP JP9758090U patent/JPH0458823U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119200A (en) * | 1983-11-30 | 1985-06-26 | Nec Home Electronics Ltd | Portable speaker |
| JPS61164400A (en) * | 1985-01-17 | 1986-07-25 | Fujitsu Ltd | Loudspeaker system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6213278Y2 (en) | ||
| JPH0444794U (en) | ||
| JPS6029045Y2 (en) | Noise prevention circuit for tape recorder with radio | |
| JPS5932076Y2 (en) | Wireless operation device for tape recorder with radio receiver | |
| JPS62183433U (en) | ||
| JPS593369Y2 (en) | Booster device for video tape recorder | |
| JPH032722U (en) | ||
| JPS62159011U (en) | ||
| JPS63200257U (en) | ||
| JPS63283U (en) | ||
| JPH0366216U (en) | ||
| JPH0438145U (en) | ||
| JPS63111036U (en) | ||
| JPH01100537U (en) | ||
| JPH0390128U (en) | ||
| JPS63114483U (en) | ||
| JPH0314817U (en) | ||
| JPH0193690U (en) | ||
| JPS62266489A (en) | Tape recorder with timepiece and radio | |
| JPS63136467U (en) | ||
| JPH035254U (en) | ||
| JPH0358099U (en) | ||
| JPS62112275U (en) | ||
| JPS61140468U (en) | ||
| JPH0436334U (en) |