JPS61199944U - - Google Patents
Info
- Publication number
- JPS61199944U JPS61199944U JP8421085U JP8421085U JPS61199944U JP S61199944 U JPS61199944 U JP S61199944U JP 8421085 U JP8421085 U JP 8421085U JP 8421085 U JP8421085 U JP 8421085U JP S61199944 U JPS61199944 U JP S61199944U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power line
- receiving
- transmitting
- receiving circuit
- 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 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図は本考案の一実施例による電灯線搬送装
置の要部電気回路図、第２図はその動作波形図、
第３図は従来の電灯線搬送装置の要部電気回路図
、第４図はその動作波形図である。
９……受信回路、１８……送受信切換回路。
Fig. 1 is an electrical circuit diagram of the main parts of a power line conveying device according to an embodiment of the present invention, Fig. 2 is an operating waveform diagram thereof,
FIG. 3 is an electrical circuit diagram of a main part of a conventional power line conveying device, and FIG. 4 is an operating waveform diagram thereof. 9...Reception circuit, 18...Transmission/reception switching circuit.
Claims (1)
路を有し、その受信回路に入力される信号の大き
さにかかわらず出力を一定とするような自動利得
制御回路を備えた電灯線搬送装置において、信号
の送信中に受信回路１９の入力を短絡するように
した送受信切換回路１８を設けたことを特徴とす
る電灯線搬送装置。 In a power line carrier equipment that has a transmitting/receiving circuit that performs communication by superimposing a signal on a power line, and is equipped with an automatic gain control circuit that keeps the output constant regardless of the magnitude of the signal input to the receiving circuit. A power line conveying device characterized in that a transmitting/receiving switching circuit 18 is provided to short-circuit the input of a receiving circuit 19 during signal transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8421085U JPS61199944U (en) | 1985-06-04 | 1985-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8421085U JPS61199944U (en) | 1985-06-04 | 1985-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61199944U true JPS61199944U (en) | 1986-12-15 |
Family
ID=30633521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8421085U Pending JPS61199944U (en) | 1985-06-04 | 1985-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199944U (en) |
-
1985
- 1985-06-04 JP JP8421085U patent/JPS61199944U/ja active Pending
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