JPH0476740U - - Google Patents
Info
- Publication number
- JPH0476740U JPH0476740U JP12143290U JP12143290U JPH0476740U JP H0476740 U JPH0476740 U JP H0476740U JP 12143290 U JP12143290 U JP 12143290U JP 12143290 U JP12143290 U JP 12143290U JP H0476740 U JPH0476740 U JP H0476740U
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- transmitting
- receiving device
- band
- diagram showing
- 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
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
Description
第１図はこの考案の一実施例による送受信装置
の通信方式を示す図、第２図は、この考案の一実
施例による送受信機装置を示す図、第３図は、従
来の送受信装置の通信方式を示す図、第４図は、
従来の送受信装置を示す図である。
図において、１は送受信装置、２は受信波形、
３は空中線、４は送信波、５は受信帯域、６は切
替器Ａ、７は受信ＲＦ部、８は周波数制御器、９
は送信部、１０は受信ＩＦ部Ａ、１１は制御部、
１２は音声増幅部、１３は音声出力部、１４は切
替部Ｂ、１５は受信ＩＦ部Ｂ、１６は受信検波部
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 communication system of a transmitting/receiving device according to an embodiment of this invention, FIG. 2 is a diagram showing a transmitting/receiving device according to an embodiment of this invention, and FIG. 3 is a diagram showing a communication method of a conventional transmitting/receiving device. The diagram showing the method, Figure 4, is
FIG. 1 is a diagram showing a conventional transmitting/receiving device. In the figure, 1 is a transmitter/receiver, 2 is a received waveform,
3 is an antenna, 4 is a transmission wave, 5 is a reception band, 6 is a switch A, 7 is a reception RF section, 8 is a frequency controller, 9
is a transmitter, 10 is a reception IF unit A, 11 is a control unit,
12 is an audio amplification section, 13 is an audio output section, 14 is a switching section B, 15 is a reception IF section B, and 16 is a reception detection section. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
受信機に対して複数の受信電波を入感する送受信
装置において、受信機内のＩＦフイルタ回路を追
加することにより、送信周波数を特性したことを
特徴とした送受信装置。 The receiving band of the receiver is wider than the transmitting frequency band,
1. A transmitting/receiving device that allows a receiver to receive a plurality of received radio waves, characterized in that the transmission frequency is characterized by adding an IF filter circuit within the receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12143290U JPH0476740U (en) | 1990-11-19 | 1990-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12143290U JPH0476740U (en) | 1990-11-19 | 1990-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476740U true JPH0476740U (en) | 1992-07-03 |
Family
ID=31869289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12143290U Pending JPH0476740U (en) | 1990-11-19 | 1990-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476740U (en) |
-
1990
- 1990-11-19 JP JP12143290U patent/JPH0476740U/ja active Pending
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