JPS63136478U - - Google Patents
Info
- Publication number
- JPS63136478U JPS63136478U JP2754787U JP2754787U JPS63136478U JP S63136478 U JPS63136478 U JP S63136478U JP 2754787 U JP2754787 U JP 2754787U JP 2754787 U JP2754787 U JP 2754787U JP S63136478 U JPS63136478 U JP S63136478U
- Authority
- JP
- Japan
- Prior art keywords
- command
- receiver
- radio waves
- output
- receiving device
- 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
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Selective Calling Equipment (AREA)
Description
第１図はこの考案の一実施例による宇宙飛翔体
用コマンド受信装置を示す図、第２図は従来の宇
宙飛翔体用コマンド受信装置を示す図である。
１はアンテナ、２はコマンド受信機、３はコマ
ンドデコーダ、４はＶＨＦ受信機、５はスケルチ
、６はスイツチ駆動回路、７はスイツチである。
なお、図中同一符号は同一、又は相当部分である
。
FIG. 1 is a diagram showing a command receiving device for a spacecraft according to an embodiment of the invention, and FIG. 2 is a diagram showing a conventional command receiving device for a spacecraft. 1 is an antenna, 2 is a command receiver, 3 is a command decoder, 4 is a VHF receiver, 5 is a squelch, 6 is a switch drive circuit, and 7 is a switch.
Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
増幅しコマンド信号に復調するコマンド受信機と
、このコマンド信号をデコードするコマンドデコ
ーダとで構成されるコマンド受信装置において、
ＶＨＦ帯以上の国内の業務用電波を受ける受信機
と、この受信機出力中に業務用電波の有無を識別
するスケルチと、このスケルチの出力によりコマ
ンド受信機からコマンドデコーダへの出力を制御
するスイツチとを備えたことを特徴とするコマン
ド受信装置。 In a command receiving device that includes an antenna that receives command radio waves, a command receiver that amplifies the radio waves and demodulates them into command signals, and a command decoder that decodes the command signals,
A receiver that receives domestic commercial radio waves in the VHF band or higher, a squelch that identifies the presence or absence of commercial radio waves in the receiver's output, and a switch that controls the output from the command receiver to the command decoder using the output of this squelch. A command receiving device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2754787U JPS63136478U (en) | 1987-02-26 | 1987-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2754787U JPS63136478U (en) | 1987-02-26 | 1987-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63136478U true JPS63136478U (en) | 1988-09-07 |
Family
ID=30829686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2754787U Pending JPS63136478U (en) | 1987-02-26 | 1987-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63136478U (en) |
-
1987
- 1987-02-26 JP JP2754787U patent/JPS63136478U/ja active Pending