JPH0320557U - - Google Patents
Info
- Publication number
- JPH0320557U JPH0320557U JP8056989U JP8056989U JPH0320557U JP H0320557 U JPH0320557 U JP H0320557U JP 8056989 U JP8056989 U JP 8056989U JP 8056989 U JP8056989 U JP 8056989U JP H0320557 U JPH0320557 U JP H0320557U
- Authority
- JP
- Japan
- Prior art keywords
- section
- oscillation frequency
- transmitter
- receiver
- outputs
- 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 description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の一実施例のブロツク図、第
２図ａおよびｂは他の実施例のブロツク図、第３
図はテレビチヤンネル周波数を示す模式図である
。
１……通信チヤンネル選択装置、２……チヤン
ネル使用検出部、３……発振周波数制御部、４…
…発振部、５……受信部、６……送信部、１０…
…微弱無線通信機。
Figure 1 is a block diagram of one embodiment of this invention, Figures 2a and b are block diagrams of other embodiments, and Figure 3 is a block diagram of another embodiment.
The figure is a schematic diagram showing television channel frequencies. DESCRIPTION OF SYMBOLS 1... Communication channel selection device, 2... Channel use detection section, 3... Oscillation frequency control section, 4...
...oscillator, 5...receiver, 6...transmitter, 10...
...Weak radio communication device.
Claims (1)
ヤンネル使用検出部と、上記チヤンネル使用検出
部の出力により、送受信周波数を決定する局部発
振周波数を切り換えるための制御信号を出力する
発振周波数制御部と、上記制御信号により切り換
えられた局部発振周波数を送信部および受信部へ
出力する発振部とを備えたことを特徴とする微弱
電波を使用した無線通信機。 a channel use detection section that receives a channel in a television broadcasting frequency band; an oscillation frequency control section that outputs a control signal for switching a local oscillation frequency that determines a transmission/reception frequency based on the output of the channel use detection section; and the control signal. 1. A wireless communication device using weak radio waves, characterized by comprising an oscillation section that outputs a local oscillation frequency switched by a transmitter and a receiver to a transmitter and a receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8056989U JPH0320557U (en) | 1989-07-07 | 1989-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8056989U JPH0320557U (en) | 1989-07-07 | 1989-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0320557U true JPH0320557U (en) | 1991-02-28 |
Family
ID=31625750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8056989U Pending JPH0320557U (en) | 1989-07-07 | 1989-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320557U (en) |
-
1989
- 1989-07-07 JP JP8056989U patent/JPH0320557U/ja active Pending
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