JPS60142557U - Cordless earphones for television receivers - Google Patents
Cordless earphones for television receiversInfo
- Publication number
- JPS60142557U JPS60142557U JP2745384U JP2745384U JPS60142557U JP S60142557 U JPS60142557 U JP S60142557U JP 2745384 U JP2745384 U JP 2745384U JP 2745384 U JP2745384 U JP 2745384U JP S60142557 U JPS60142557 U JP S60142557U
- Authority
- JP
- Japan
- Prior art keywords
- high frequency
- audio
- transmitter
- television receivers
- receiving
- 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
- Television Receiver Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の送信部の全体斜視図、第２図は本考案
の受信部の全体斜視図、第３図は送信部のブロック構成
図、第４図は受信部のブロック構成図、第５図は来者案
品の使用状態を示す斜視図。
１は音声入カブラグ、２は送信器、３は送信アーンテナ
リード、４は受信器、５゛は受信アンテナリ。
ｉド（イヤフオンリードと兼用）、６はイヤフオン、７
は送信−周波数切替スイッチ、８は受信器、周痺数切替
スイッチ、９は音量調整器、１０は受 ・信周波本
徴調ダイヤル、白は送信器電源スィッチ、１２は受信器
電源スィッチ、１３は音声信号入力調整器、１４．は変
調器、１５は高周波発振 ・ 、器、１６は高周波
増巾器、１７は局部発振器、１８は周波轄変換器、１９
は中間周波数増巾器、２０は復調器、２１は音声信号増
巾器。FIG. 1 is an overall perspective view of the transmitter of the present invention, FIG. 2 is an overall perspective view of the receiver of the present invention, FIG. 3 is a block diagram of the transmitter, and FIG. 4 is a block diagram of the receiver. FIG. 5 is a perspective view showing the visitor's product in use. 1 is the audio input plug, 2 is the transmitter, 3 is the transmitting antenna lead, 4 is the receiver, and 5 is the receiving antenna lead. i-do (combined with earphone lead), 6 is earphone, 7
is the transmitter/frequency selector switch, 8 is the receiver, frequency selector switch, 9 is the volume adjuster, 10 is the receive/receive frequency main adjustment dial, white is the transmitter power switch, 12 is the receiver power switch, 13 14. is an audio signal input adjuster; is a modulator, 15 is a high frequency oscillator, 16 is a high frequency amplifier, 17 is a local oscillator, 18 is a frequency converter, 19
20 is an intermediate frequency amplifier, 20 is a demodulator, and 21 is an audio signal amplifier.
Claims (1)
゛ ヤツクに挿入する音声入カブラグ１と、その入
力音声信号ににより高周波発振器１５を変調器１４で変
調し被変調高周波電流を得る送信器２と、その高周波中
力を電波に変えて輻射する送信アシテナリード３からな
っている送信部。 ９ 送信アンテナリード３かり輻射された電波を捕捉す
るする受信アンテナリード５と、そ９捕捉した高周波電
流と局部発振器−１７の中力を周波数変換器１８内で発
生した中間周波電流を中間周波電流器１９により選択、
増巾し、その出力を復調器２０により音声電流に戻す受
信器４息−、、、：（１：Ｈ：：７＆＊”ｔｔ”：Ｒ，
ｃ６“′″パ以上送信部と受信部により構成するテレビ
ジ、ヨン受像用コードレスイヤフオン。 ５[Scope of claims for utility model registration] (a) Audio output of television receivers, earphones,
゛ An audio input plug 1 inserted into the jack, a transmitter 2 that modulates a high frequency oscillator 15 with a modulator 14 using the input audio signal to obtain a modulated high frequency current, and a transmitter that converts the high frequency neutral power into radio waves and radiates them. A transmitting section consisting of Acitena Lead 3. 9. A receiving antenna lead 5 that captures radio waves radiated from the transmitting antenna lead 3; Selected by instrument 19,
Receiver 4 which amplifies its output and returns it to audio current by demodulator 20 -,...:(1:H::7&*"tt":R,
A cordless earphone for receiving television images, consisting of a transmitting section and a receiving section. 5
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2745384U JPS60142557U (en) | 1984-02-29 | 1984-02-29 | Cordless earphones for television receivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2745384U JPS60142557U (en) | 1984-02-29 | 1984-02-29 | Cordless earphones for television receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60142557U true JPS60142557U (en) | 1985-09-20 |
Family
ID=30524421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2745384U Pending JPS60142557U (en) | 1984-02-29 | 1984-02-29 | Cordless earphones for television receivers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60142557U (en) |
-
1984
- 1984-02-29 JP JP2745384U patent/JPS60142557U/en active Pending
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