JPS63131477U - - Google Patents
Info
- Publication number
- JPS63131477U JPS63131477U JP2364787U JP2364787U JPS63131477U JP S63131477 U JPS63131477 U JP S63131477U JP 2364787 U JP2364787 U JP 2364787U JP 2364787 U JP2364787 U JP 2364787U JP S63131477 U JPS63131477 U JP S63131477U
- Authority
- JP
- Japan
- Prior art keywords
- command
- receiver
- radio wave
- wave detector
- command 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Selective Calling Equipment (AREA)
- Circuits Of Receivers In General (AREA)
Description
第1図はこの考案の一実施例によるコマンド受
信装置を示す図、第2図は従来のコマンド受信装
置を示す図である。
図中1はアンテナ、2は受信機、3はコマンド
信号復調器、4はコマンドデコーダ、5は電源、
6は電波検出器、7はスイツチ駆動回路、8はス
イツチである。なお、図中、同一符号は同一、又
は相当部分を示す。
FIG. 1 is a diagram showing a command receiving device according to an embodiment of this invention, and FIG. 2 is a diagram showing a conventional command receiving device. In the figure, 1 is an antenna, 2 is a receiver, 3 is a command signal demodulator, 4 is a command decoder, 5 is a power supply,
6 is a radio wave detector, 7 is a switch drive circuit, and 8 is a switch. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
増幅する受信機と、この受信機で増幅された電波
をコマンド信号に復調するコマンド信号復調器と
、コマンド信号復調器からのコマンド信号をデコ
ードするコマンドデコーダと、上記受信機および
コマンドデコーダに電力を供給する電源とを備え
たコマンド受信装置において上記受信機の出力信
号中のコマンド電波の有無を検出する電波検出器
と、上記電源の出力端と上記コマンドデコーダの
入力端との間に接続されたスイツチと、上記電波
検出器の出力により上記スイツチを開閉させるス
イツチ駆動回路とを備えたことを特徴とするコマ
ンド受信装置。 An antenna that receives command radio waves, a receiver that amplifies the radio waves, a command signal demodulator that demodulates the radio waves amplified by the receiver into a command signal, and a command decoder that decodes the command signal from the command signal demodulator. , a radio wave detector for detecting the presence or absence of a command radio wave in an output signal of the receiver in a command receiving device comprising a power source for supplying power to the receiver and the command decoder, an output end of the power source and the command decoder. A command receiving device comprising: a switch connected between an input terminal of the radio wave detector; and a switch drive circuit that opens and closes the switch using the output of the radio wave detector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2364787U JPS63131477U (en) | 1987-02-20 | 1987-02-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2364787U JPS63131477U (en) | 1987-02-20 | 1987-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63131477U true JPS63131477U (en) | 1988-08-29 |
Family
ID=30822144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2364787U Pending JPS63131477U (en) | 1987-02-20 | 1987-02-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63131477U (en) |
-
1987
- 1987-02-20 JP JP2364787U patent/JPS63131477U/ja active Pending