JPH022797U - - Google Patents
Info
- Publication number
- JPH022797U JPH022797U JP7751488U JP7751488U JPH022797U JP H022797 U JPH022797 U JP H022797U JP 7751488 U JP7751488 U JP 7751488U JP 7751488 U JP7751488 U JP 7751488U JP H022797 U JPH022797 U JP H022797U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- voltage
- measurement signal
- demodulator
- transmitter
- 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
- 238000005259 measurement Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Description
第１図は本考案の一実施例による無線伝送装置
のブロツク図、第２図は電圧―周波数変調器の出
力電圧の波形図、第３図は第１図の受信部におけ
る計測信号再生の原理説明図である。 １：温度センサ、２：電圧―周波数変換器、３
：ＦＭ変調器、４：発振器、５：トランスミツタ
、８：高周波増幅器、９：復調器、１０：周波数
ー電圧変換器。
のブロツク図、第２図は電圧―周波数変調器の出
力電圧の波形図、第３図は第１図の受信部におけ
る計測信号再生の原理説明図である。 １：温度センサ、２：電圧―周波数変換器、３
：ＦＭ変調器、４：発振器、５：トランスミツタ
、８：高周波増幅器、９：復調器、１０：周波数
ー電圧変換器。
Claims (1)
- 計測信号を送信部で変調器により周波数変調し
て送信し、受信部で復調器により復調して上記計
測信号を伝送する無線伝送装置において、上記送
信部に出力電圧の振幅値を一定とし、上記計測信
号の電圧の変化を周波数の変化に変換する電圧―
周波数変換器を設ける一方、上記受信部に上記復
調器の出力の周波数の変化を電圧の変化に変換す
る周波数―電圧変換器を設けたことを特徴とする
無線伝送装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7751488U JPH022797U (ja) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7751488U JPH022797U (ja) | 1988-06-10 | 1988-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022797U true JPH022797U (ja) | 1990-01-10 |
Family
ID=31302497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7751488U Pending JPH022797U (ja) | 1988-06-10 | 1988-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022797U (ja) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439153A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Ae measuring device of wireless transmission type |
| JPS54115259A (en) * | 1978-02-28 | 1979-09-07 | Fukuda Denshi Kk | Modulating system in medical 2 ch telemeter |
-
1988
- 1988-06-10 JP JP7751488U patent/JPH022797U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5439153A (en) * | 1977-09-02 | 1979-03-26 | Hitachi Ltd | Ae measuring device of wireless transmission type |
| JPS54115259A (en) * | 1978-02-28 | 1979-09-07 | Fukuda Denshi Kk | Modulating system in medical 2 ch telemeter |