JPH01117140U - - Google Patents
Info
- Publication number
- JPH01117140U JPH01117140U JP1171788U JP1171788U JPH01117140U JP H01117140 U JPH01117140 U JP H01117140U JP 1171788 U JP1171788 U JP 1171788U JP 1171788 U JP1171788 U JP 1171788U JP H01117140 U JPH01117140 U JP H01117140U
- Authority
- JP
- Japan
- Prior art keywords
- digital signal
- modulation means
- modulating
- carrier
- utility
- 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
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
第１図及び第２図はこの考案の一実施例を示す
構成図、第３図〜第８図は従来例の説明のための
図である。
３０……コンパクトデイスクプレーヤ、３１…
…増幅器、６１……Ｄフリツプフロツプ、６２…
…インピーダンス変換回路、６３……無線ＴＶ送
信機、６４……送信アンテナ、７１……受信アン
テナ、７２……ＴＶチユーナ、７３……中間周波
増幅及び検波回路、７５……ＥＦＭ―ＰＬＬ回路
、７６……信号処理回路、７９……Ｄ／Ａコンバ
ータ、８０……ローパスフイルタ、８１……出力
アンプ。
FIGS. 1 and 2 are block diagrams showing one embodiment of this invention, and FIGS. 3 to 8 are diagrams for explaining conventional examples. 30...compact disc player, 31...
...Amplifier, 61...D flip-flop, 62...
... Impedance conversion circuit, 63 ... Wireless TV transmitter, 64 ... Transmission antenna, 71 ... Reception antenna, 72 ... TV tuner, 73 ... Intermediate frequency amplification and detection circuit, 75 ... EFM-PLL circuit, 76 ... Signal processing circuit, 79 ... D/A converter, 80 ... Low pass filter, 81 ... Output amplifier.
Claims (1)
する変調手段と、 この変調手段より出力される変調信号を無線送
信する送信手段と、 を有してなるデイジタル信号伝送装置。[Claims for Utility Model Registration] A digital signal transmission device comprising: modulation means for modulating a digital signal with a carrier of a predetermined frequency; and transmission means for wirelessly transmitting the modulated signal output from the modulation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1171788U JPH01117140U (en) | 1988-01-30 | 1988-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1171788U JPH01117140U (en) | 1988-01-30 | 1988-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01117140U true JPH01117140U (en) | 1989-08-08 |
Family
ID=31220516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1171788U Pending JPH01117140U (en) | 1988-01-30 | 1988-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01117140U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487412A (en) * | 1977-12-23 | 1979-07-11 | Mitsubishi Electric Corp | Code transferring method |
-
1988
- 1988-01-30 JP JP1171788U patent/JPH01117140U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5487412A (en) * | 1977-12-23 | 1979-07-11 | Mitsubishi Electric Corp | Code transferring method |
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