JPS5848164U - communication device - Google Patents

communication device

Info

Publication number
JPS5848164U
JPS5848164U JP14253581U JP14253581U JPS5848164U JP S5848164 U JPS5848164 U JP S5848164U JP 14253581 U JP14253581 U JP 14253581U JP 14253581 U JP14253581 U JP 14253581U JP S5848164 U JPS5848164 U JP S5848164U
Authority
JP
Japan
Prior art keywords
communication device
switch
confidential
communication
amplifier
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
JP14253581U
Other languages
Japanese (ja)
Inventor
高阪　弘明
照井　一昭
Original Assignee
東芝ライテック株式会社
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 東芝ライテック株式会社 filed Critical 東芝ライテック株式会社
Priority to JP14253581U priority Critical patent/JPS5848164U/en
Publication of JPS5848164U publication Critical patent/JPS5848164U/en
Pending legal-status Critical Current

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  • Interconnected Communication Systems, Intercoms, And Interphones (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 the drawing]

第１図は、本考案の１実施例を示すブロック回゛路図、
そじて第２図は第１図の回路における秘話状態解除部の
詳細を示す電気回路図である。 １・・・送話用マイクロホン、２・・・増幅器、３・・
・受話用スピーカ、４・・・整合トランス、５・・・呼
出用スイッチ、６・・・秘話用スイッチ、７・・・発光
ダイオード、８・・・ダイオードブリッジ、９・・・秘
話状態解除部、１０・・・リレー接点、１１．１２・・
・トランジスタ、１３・・・リレーコイル、ＣＱ、Ｃｍ
、Ｃ２，Ｃ３゜ｃ４．ｃ５．ｃ６・・・コンデンサ、Ｒ
Ｑ、Ｒ１，Ｒ２゜Ｒ３，Ｒ４，Ｒ５，Ｒ６，Ｒ７・・・
抵抗、Ｄｉ、Ｄ２・・・ダイオード。FIG. 1 is a block circuit diagram showing one embodiment of the present invention;
FIG. 2 is an electrical circuit diagram showing details of the confidential state canceling section in the circuit of FIG. 1. 1... Transmission microphone, 2... Amplifier, 3...
- Receiving speaker, 4... Matching transformer, 5... Calling switch, 6... Confidential switch, 7... Light emitting diode, 8... Diode bridge, 9... Confidential state release unit , 10... Relay contact, 11.12...
・Transistor, 13...Relay coil, CQ, Cm
, C2, C3°c4. c5. c6...Capacitor, R
Q, R1, R2゜R3, R4, R5, R6, R7...
Resistor, Di, D2...diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 送話用マイクロホン素子と増幅器、受話用スピーカ、呼
び出し用スイッチおよび秘話用スイッチを具備する通話
装置において、該通話装置に外部からの呼び出し音信号
を検出して一定時間秘話状態を解除する秘話状態解除部
を設けたことを特徴とする通話装置。In a communication device equipped with a transmitting microphone element, an amplifier, a receiving speaker, a paging switch, and a confidential communication switch, the communication device detects a ring tone signal from the outside and releases the confidential communication state for a certain period of time. A communication device characterized by having a section.
JP14253581U 1981-09-28 1981-09-28 communication device Pending JPS5848164U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14253581U JPS5848164U (en) 1981-09-28 1981-09-28 communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14253581U JPS5848164U (en) 1981-09-28 1981-09-28 communication device

Publications (1)

Publication Number Publication Date
JPS5848164U true JPS5848164U (en) 1983-03-31

Family

ID=29935561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14253581U Pending JPS5848164U (en) 1981-09-28 1981-09-28 communication device

Country Status (1)

Country Link
JP (1) JPS5848164U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053621U (en) * 1983-09-21 1985-04-15 トヨタ自動車株式会社 Automotive glass mounting structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467126A (en) * 1977-11-05 1979-05-30 Nippon Denso Co Ltd Fuel stopping apparatus for electronic controlled fuel jet apparatus
JPS55160141A (en) * 1979-05-31 1980-12-12 Nissan Motor Co Ltd Fuel controller of internal combustion engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467126A (en) * 1977-11-05 1979-05-30 Nippon Denso Co Ltd Fuel stopping apparatus for electronic controlled fuel jet apparatus
JPS55160141A (en) * 1979-05-31 1980-12-12 Nissan Motor Co Ltd Fuel controller of internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053621U (en) * 1983-09-21 1985-04-15 トヨタ自動車株式会社 Automotive glass mounting structure

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