JPS5816951U - Transmitting/receiving device - Google Patents

Transmitting/receiving device

Info

Publication number
JPS5816951U
JPS5816951U JP10835481U JP10835481U JPS5816951U JP S5816951 U JPS5816951 U JP S5816951U JP 10835481 U JP10835481 U JP 10835481U JP 10835481 U JP10835481 U JP 10835481U JP S5816951 U JPS5816951 U JP S5816951U
Authority
JP
Japan
Prior art keywords
transmitting
receiving device
receiving
diagram showing
terminal
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
Application number
JP10835481U
Other languages
Japanese (ja)
Inventor
疋野 哲哉
Original Assignee
日本電気株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP10835481U priority Critical patent/JPS5816951U/en
Publication of JPS5816951U publication Critical patent/JPS5816951U/en
Pending legal-status Critical Current

Links

Landscapes

  • Transceivers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の一実施例を説明する送受信切換え回路
を示す回路図である。 F・・・・・・送信部からの出力端子、G・・・・・・
アンテナへの出力端子、H・・・・・・受信部への出力
端子、C□〜C3・・・・・・貫通コンデンサ、C2〜
C□、・・・・・・コンデンサ、D□〜D5・・・・・
・ダイオード、L1〜L、・・・・・・コイル、R1,
R2・・・・・・抵抗、A、 B、 E・・・・・・送
受信切換え端子。 第2図は第1図端子Eへ加える電圧を示す図である。 ■・・・・・・受信時、■・・・・・・送信時、■・・
・・・・十V(正電圧)、■・・・・・・OV0 第3図は本考案の一実施例に用いる送信時の第1図の端
子Eに加える電圧の時間に対する変化を示す図である。 ア・・・・・・0.5sec、イ・・・・・・100μ
sec、つ・・・・・・−■(正電圧)、工・・・・・
・ov。 第4図は本考案の一実施例による送受信装置の正面パネ
ルを示す図である。 10・・・・・・周波数表示盤、20・・・・・・信号
メータ(受信時に動作)、30・・・・・・受信モニタ
ーランプ(送信時に動作)。
FIG. 1 is a circuit diagram showing a transmission/reception switching circuit for explaining an embodiment of the present invention. F: Output terminal from the transmitter, G:
Output terminal to antenna, H... Output terminal to receiving section, C□~C3... Feedthrough capacitor, C2~
C□,...Capacitor, D□~D5...
・Diode, L1~L, ... Coil, R1,
R2...Resistance, A, B, E...Transmission/reception switching terminal. FIG. 2 is a diagram showing the voltage applied to terminal E in FIG. 1. ■...When receiving, ■...When sending, ■...
...10V (positive voltage), ■...OV0 Fig. 3 is a diagram showing changes over time in the voltage applied to terminal E in Fig. 1 during transmission, used in an embodiment of the present invention. It is. A...0.5sec, B...100μ
sec, tsu...-■ (positive voltage), engineering...
・ov. FIG. 4 is a diagram showing a front panel of a transmitting/receiving device according to an embodiment of the present invention. 10... Frequency display panel, 20... Signal meter (operates when receiving), 30... Receiving monitor lamp (operates when transmitting).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 送信および受信を同一の周波数を用いて行う送受信装置
において、送信している状態で、受信部への入力信号の
有無を表示する表示装置を有することを特徴とする送受
信装置。
1. A transmitting/receiving device that performs transmission and reception using the same frequency, the transmitting/receiving device comprising a display device that displays the presence or absence of an input signal to a receiving section while transmitting.
JP10835481U 1981-07-21 1981-07-21 Transmitting/receiving device Pending JPS5816951U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10835481U JPS5816951U (en) 1981-07-21 1981-07-21 Transmitting/receiving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10835481U JPS5816951U (en) 1981-07-21 1981-07-21 Transmitting/receiving device

Publications (1)

Publication Number Publication Date
JPS5816951U true JPS5816951U (en) 1983-02-02

Family

ID=29902762

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10835481U Pending JPS5816951U (en) 1981-07-21 1981-07-21 Transmitting/receiving device

Country Status (1)

Country Link
JP (1) JPS5816951U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60125425U (en) * 1984-01-31 1985-08-23 松下精工株式会社 Air conditioner condensation prevention device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60125425U (en) * 1984-01-31 1985-08-23 松下精工株式会社 Air conditioner condensation prevention device
JPS6333057Y2 (en) * 1984-01-31 1988-09-05

Similar Documents

Publication Publication Date Title
JPS5816951U (en) Transmitting/receiving device
JPS5847175U (en) Electric field strength digital display
JPS596785U (en) Low frequency vibration noise reduction circuit for transducer
JPS5976168U (en) television receiver
JPS5937722U (en) Transformer tap position indicator
JPS59132234U (en) Tuning indicator lighting bandwidth variable circuit
JPS5899945U (en) Day emphasis circuit switching device
JPS59118379U (en) Remote monitoring control device
JPS6079880U (en) Television monitor display device
JPS5948170U (en) fax receiver
JPS6093368U (en) television receiver
JPS60108072U (en) Television receiver level adjustment circuit
JPS6052717U (en) equalizer device
JPS59163975U (en) Pulse radar device
JP2000224241A (en) Waveform shaping circuit and receiver using it
JPS60139292U (en) Electronic clock with temperature compensation function
JPS59117991U (en) electronic watch
JPS60184350U (en) Electronic circuit device for optical transmission
JPS60139366U (en) Automatic - automatic network control equipment
JPS6090945U (en) Transmitting/receiving device
JPS59143157U (en) TV public viewing booster
JPS593654U (en) 2-wire bidirectional transmission device
JPS59127358U (en) Telephone call display device
JPS6147573U (en) small television receiver
JPS59180568U (en) screen display circuit