JPH01105278U - - Google Patents
Info
- Publication number
- JPH01105278U JPH01105278U JP20888U JP20888U JPH01105278U JP H01105278 U JPH01105278 U JP H01105278U JP 20888 U JP20888 U JP 20888U JP 20888 U JP20888 U JP 20888U JP H01105278 U JPH01105278 U JP H01105278U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- pulse
- image signal
- light
- 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
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 4
- 238000007493 shaping process Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Optical Communication System (AREA)
Description
第１図は本考案の一実施例による画像信号伝送
装置を示す回路構成図、第２図は同実施例の動作
を説明するための信号波形図、第３図は従来の画
像信号伝送装置を示す回路構成図、第４図は第３
図の動作を説明するための信号波形図である。
１０ａ……送信回路、１０ｂ……受信回路、１
１……レベル変換回路、１２……パルス駆動回路
、１３……発光素子、１４……受光素子、１５…
…前置増幅器、１６……帯域通過フイルタ。
FIG. 1 is a circuit configuration diagram showing an image signal transmission device according to an embodiment of the present invention, FIG. 2 is a signal waveform diagram for explaining the operation of the same embodiment, and FIG. 3 is a circuit diagram showing a conventional image signal transmission device. The circuit configuration diagram shown in Figure 4 is
FIG. 3 is a signal waveform diagram for explaining the operation shown in the figure. 10a...Transmission circuit, 10b...Reception circuit, 1
DESCRIPTION OF SYMBOLS 1... Level conversion circuit, 12... Pulse drive circuit, 13... Light emitting element, 14... Light receiving element, 15...
...preamplifier, 16...bandpass filter.
Claims (1)
変調するパルス駆動回路と、このパルス駆動回路
により駆動され、上記パルス変調信号を光信号に
変換して空間に放射する発光素子とを具備したこ
とを特徴とする画像信号送信回路。 (2) 送信装置から送られてくるパルス変調され
た光信号を受信して電気信号に変換する受光素子
と、この受光素子により変換された電気信号を波
形整形し、正弦波信号として復調回路に出力する
波形整形回路とを具備したことを特徴とする画像
信号受信回路。 (3) 画像信号による周波数変調波をパルス駆動
回路によりパルス変調して発光素子を駆動し、光
信号を空間に放射する送信回路と、上記発光素子
から空間に放射された光信号を受光素子により受
信して電気信号に変換し、波形整形回路により正
弦波に波形整形して復調回路に出力する受信回路
とを具備したことを特徴とする画像信号伝送装置
。[Claims for Utility Model Registration] (1) A pulse drive circuit that further pulse modulates the frequency modulated wave by the image signal, and a device driven by this pulse drive circuit that converts the pulse modulation signal into an optical signal and radiates it into space. An image signal transmission circuit characterized by comprising a light emitting element. (2) A light-receiving element that receives a pulse-modulated optical signal sent from the transmitter and converts it into an electrical signal, and a waveform shaping of the electrical signal converted by this light-receiving element, which is sent to a demodulation circuit as a sine wave signal. An image signal receiving circuit comprising: a waveform shaping circuit that outputs a waveform. (3) A transmitting circuit that pulse-modulates the frequency modulated wave by the image signal using a pulse drive circuit to drive the light emitting element and radiates the optical signal into space, and a light receiving element that transmits the optical signal radiated into space from the light emitting element. An image signal transmission device comprising: a receiving circuit that receives the electrical signal, converts it into an electrical signal, shapes the waveform into a sine wave using a waveform shaping circuit, and outputs the signal to a demodulation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20888U JPH01105278U (en) | 1988-01-05 | 1988-01-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20888U JPH01105278U (en) | 1988-01-05 | 1988-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105278U true JPH01105278U (en) | 1989-07-14 |
Family
ID=31199030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20888U Pending JPH01105278U (en) | 1988-01-05 | 1988-01-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105278U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60263590A (en) * | 1984-06-11 | 1985-12-27 | Sumitomo Electric Ind Ltd | Picture signal transmitting system |
-
1988
- 1988-01-05 JP JP20888U patent/JPH01105278U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60263590A (en) * | 1984-06-11 | 1985-12-27 | Sumitomo Electric Ind Ltd | Picture signal transmitting system |
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