JPS61199942U - - Google Patents
Info
- Publication number
- JPS61199942U JPS61199942U JP8420885U JP8420885U JPS61199942U JP S61199942 U JPS61199942 U JP S61199942U JP 8420885 U JP8420885 U JP 8420885U JP 8420885 U JP8420885 U JP 8420885U JP S61199942 U JPS61199942 U JP S61199942U
- Authority
- JP
- Japan
- Prior art keywords
- power line
- signal
- transmitting
- gain control
- automatic gain
- 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
- 238000010586 diagram Methods 0.000 description 4
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。
１９……送受信切換回路、２１……自動利得制
御回路。
Fig. 1 is an electrical circuit diagram of a main part 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. 19... Transmission/reception switching circuit, 21... Automatic gain control 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
の送信時に自動利得制御回路２１の動作を停止さ
せるような送受信切換回路１９を具備させたこと
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 it is equipped with a transmission/reception switching circuit 19 that stops the operation of the automatic gain control circuit 21 when transmitting a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8420885U JPS61199942U (en) | 1985-06-04 | 1985-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8420885U JPS61199942U (en) | 1985-06-04 | 1985-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61199942U true JPS61199942U (en) | 1986-12-15 |
Family
ID=30633516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8420885U Pending JPS61199942U (en) | 1985-06-04 | 1985-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61199942U (en) |
-
1985
- 1985-06-04 JP JP8420885U patent/JPS61199942U/ja active Pending
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