JPS63120451U - - Google Patents

Info

Publication number
JPS63120451U
JPS63120451U JP994487U JP994487U JPS63120451U JP S63120451 U JPS63120451 U JP S63120451U JP 994487 U JP994487 U JP 994487U JP 994487 U JP994487 U JP 994487U JP S63120451 U JPS63120451 U JP S63120451U
Authority
JP
Japan
Prior art keywords
loudspeaker
circuit
telephone device
voice signal
switch
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
JP994487U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP994487U priority Critical patent/JPS63120451U/ja
Publication of JPS63120451U publication Critical patent/JPS63120451U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は本考案のボタン電話装置の一実施例を
示すブロツク図、第２図は従来のボタン電話装置
を示すブロツク図である。 １…端末機、２…送話音声スイツチ、３…受話
音声スイツチ、４，５…アンプ、６…スイツチ制
御回路、７…音声スイツチ回路、８…マイクロホ
ン、９…スピーカ、１０…拡声スイツチ、１１…
回線選択スイツチ、１２…データ伝送制御回路、
１３…データ伝送路、１４…主装置、１５…音声
通話路、１６…接点、１７…ハイブリツト回路、
１８…パツド回路、１９…送話器、２０…受話器
、２１…フツクスイツチ、２２…接点、２３…ア
ンプ、２４…パツド回路。 FIG. 1 is a block diagram showing an embodiment of the button telephone device of the present invention, and FIG. 2 is a block diagram showing a conventional button telephone device. DESCRIPTION OF SYMBOLS 1... Terminal, 2... Transmitting audio switch, 3... Receiving audio switch, 4, 5... Amplifier, 6... Switch control circuit, 7... Audio switch circuit, 8... Microphone, 9... Speaker, 10... Public address switch, 11 …
Line selection switch, 12...data transmission control circuit,
13...Data transmission path, 14...Main device, 15...Voice communication path, 16...Contact, 17...Hybrid circuit,
18... Pad circuit, 19... Transmitter, 20... Receiver, 21... Hook switch, 22... Contact, 23... Amplifier, 24... Pad circuit.

Claims (1)

【実用新案登録請求の範囲】 拡声通話機能を有した電話装置において、 内線受話音声信号のレベルを減衰させるパツド
回路を設け、該パツド回路を介して前記受話音声
信号が上記拡声通話用のスピーカおよび音声スイ
ツチ回路に加えるようにしたことを特徴とする電
話装置。[Scope of Claim for Utility Model Registration] A telephone device having a loudspeaker function is provided with a pad circuit that attenuates the level of an extension received voice signal, and the received voice signal is transmitted to the loudspeaker and the loudspeaker through the pad circuit. A telephone device characterized in that it is added to a voice switch circuit.
JP994487U 1987-01-28 1987-01-28 Pending JPS63120451U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP994487U JPS63120451U (en) 1987-01-28 1987-01-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP994487U JPS63120451U (en) 1987-01-28 1987-01-28

Publications (1)

Publication Number Publication Date
JPS63120451U true JPS63120451U (en) 1988-08-04

Family

ID=30795740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP994487U Pending JPS63120451U (en) 1987-01-28 1987-01-28

Country Status (1)

Country Link
JP (1) JPS63120451U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240611B2 (en) * 1973-07-19 1977-10-13
JPS6042970A (en) * 1983-08-19 1985-03-07 Nec Corp Telephone set for private branch of exchange
JPS6170895A (en) * 1984-09-13 1986-04-11 Nec Corp Key telephone system
JPS62214799A (en) * 1986-03-14 1987-09-21 Iwatsu Electric Co Ltd Telephone system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240611B2 (en) * 1973-07-19 1977-10-13
JPS6042970A (en) * 1983-08-19 1985-03-07 Nec Corp Telephone set for private branch of exchange
JPS6170895A (en) * 1984-09-13 1986-04-11 Nec Corp Key telephone system
JPS62214799A (en) * 1986-03-14 1987-09-21 Iwatsu Electric Co Ltd Telephone system

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