JPS63185328U - - Google Patents
Info
- Publication number
- JPS63185328U JPS63185328U JP1987075908U JP7590887U JPS63185328U JP S63185328 U JPS63185328 U JP S63185328U JP 1987075908 U JP1987075908 U JP 1987075908U JP 7590887 U JP7590887 U JP 7590887U JP S63185328 U JPS63185328 U JP S63185328U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier circuit
- output signal
- pass filter
- remote control
- signal
- 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
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Selective Calling Equipment (AREA)
- Optical Communication System (AREA)
Description
第１図は、本考案の一実施例を示す回路図、第
２図は従来のリモコン用増幅回路、及び第３図は
第１図の具体回路例を示す回路図である。
７……第１ハイパスフイルタ、１０……第１差
動増幅回路、１１……第２ハイパスフイルタ、１
４……第２差動増幅回路。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a conventional remote control amplifier circuit, and FIG. 3 is a circuit diagram showing a specific example of the circuit shown in FIG. 7 ...First high-pass filter, 10...First differential amplifier circuit, 11 ...Second high-pass filter, 1
4...Second differential amplifier circuit.
Claims (1)
る光電変換素子と、該光電変換素子の出力信号を
増幅する増幅回路と、該増幅回路の出力信号を検
波する検波回路とを備えるリモコン受信装置であ
つて、前記電気信号中のノイズを除去する第１ハ
イパスフイルタと、該第１ハイパスフイルタの出
力信号を増幅する第１増幅回路と、該第１増幅回
路の出力信号中の残留ノイズを除去する第２ハイ
パスフイルタと、該第２ハイパスフイルタの出力
信号を更に増幅する第２増幅回路とを備え、前記
第２増幅回路の出力端に得られるノイズが除去さ
れた電気信号を前記検波回路によつて検波するよ
うにしたことを特徴とするリモコン受信装置。 A remote control receiving device comprising: a photoelectric conversion element that receives an infrared remote control signal and converts it into an electrical signal; an amplifier circuit that amplifies the output signal of the photoelectric conversion element; and a detection circuit that detects the output signal of the amplifier circuit. , a first high-pass filter for removing noise in the electrical signal, a first amplifier circuit for amplifying the output signal of the first high-pass filter, and a second amplifier circuit for removing residual noise in the output signal of the first amplifier circuit. It comprises a high-pass filter and a second amplifier circuit that further amplifies the output signal of the second high-pass filter, and the electrical signal obtained at the output end of the second amplifier circuit from which noise has been removed is detected by the detection circuit. A remote control receiving device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987075908U JPS63185328U (en) | 1987-05-20 | 1987-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987075908U JPS63185328U (en) | 1987-05-20 | 1987-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63185328U true JPS63185328U (en) | 1988-11-29 |
Family
ID=30922490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987075908U Pending JPS63185328U (en) | 1987-05-20 | 1987-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63185328U (en) |
-
1987
- 1987-05-20 JP JP1987075908U patent/JPS63185328U/ja active Pending
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