JPS635735U - - Google Patents
Info
- Publication number
- JPS635735U JPS635735U JP9898486U JP9898486U JPS635735U JP S635735 U JPS635735 U JP S635735U JP 9898486 U JP9898486 U JP 9898486U JP 9898486 U JP9898486 U JP 9898486U JP S635735 U JPS635735 U JP S635735U
- Authority
- JP
- Japan
- Prior art keywords
- radio receiver
- heterodyne
- communication device
- superheterodyne
- modulated
- 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
- 230000010355 oscillation Effects 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Transceivers (AREA)
Description
第１図は本考案による通信装置の一実施例を示
す回路ブロツク図、及び第２図は第１図の装置に
使用する通信周波数帯域を示す説明図である。
２ａ……上側ヘテロダイン動作用同調回路、２
ｂ……下側ヘテロダイン動作用同調回路、７ａ，
７ｂ……ヘテロダイン選択スイツチ、１３……送
信回路。
FIG. 1 is a circuit block diagram showing one embodiment of a communication device according to the present invention, and FIG. 2 is an explanatory diagram showing communication frequency bands used in the device of FIG. 2a...Upper heterodyne operation tuning circuit, 2
b...Lower heterodyne operation tuning circuit, 7a,
7b...heterodyne selection switch, 13...transmission circuit.
Claims (1)
的に切換えられるようになしたスーパヘテロダイ
ンＡＭラジオ受信機と、 該ＡＭラジオ受信機の局部発振周波数信号を音
声信号でＡＭ変調して送信する送信回路と、 を備えることを特徴とする通信装置。[Claims for Utility Model Registration] A superheterodyne AM radio receiver that can be selectively switched to upper heterodyne or lower heterodyne, and a local oscillation frequency signal of the AM radio receiver that is AM-modulated with an audio signal. A communication device comprising: a transmitting circuit for transmitting data;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9898486U JPS635735U (en) | 1986-06-30 | 1986-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9898486U JPS635735U (en) | 1986-06-30 | 1986-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635735U true JPS635735U (en) | 1988-01-14 |
Family
ID=30967448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9898486U Pending JPS635735U (en) | 1986-06-30 | 1986-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635735U (en) |
-
1986
- 1986-06-30 JP JP9898486U patent/JPS635735U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS635735U (en) | ||
| JPS58123642U (en) | transceiver | |
| JPS6323832U (en) | ||
| JPH044438U (en) | ||
| JPS59108360U (en) | transceiver | |
| JPS6413884U (en) | ||
| JPS62201542U (en) | ||
| JPH02108444U (en) | ||
| JPS62119035U (en) | ||
| JPS6214833U (en) | ||
| JPH0320557U (en) | ||
| JPH02101643U (en) | ||
| JPH03482U (en) | ||
| JPS6217253U (en) | ||
| JPS6266437U (en) | ||
| JPS58147329U (en) | Tuning display circuit in radio receiver | |
| JPS5967047U (en) | receiving device | |
| JPS63156122U (en) | ||
| JPS59127351U (en) | wireless communication device | |
| JPS58164331U (en) | automatic tuning receiver | |
| JPS6118648U (en) | Tuner device | |
| JPS6247254U (en) | ||
| JPS63171039U (en) | ||
| JPH02141142U (en) | ||
| JPS61126681U (en) |