JPS6175666U - - Google Patents

Info

Publication number
JPS6175666U
JPS6175666U JP16040984U JP16040984U JPS6175666U JP S6175666 U JPS6175666 U JP S6175666U JP 16040984 U JP16040984 U JP 16040984U JP 16040984 U JP16040984 U JP 16040984U JP S6175666 U JPS6175666 U JP S6175666U
Authority
JP
Japan
Prior art keywords
circuit
intercom
received
carrier
pulse
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
JP16040984U
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 JP16040984U priority Critical patent/JPS6175666U/ja
Publication of JPS6175666U publication Critical patent/JPS6175666U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Description

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

第１図…この考案の実施例のブロツク図、第２
図…その動作説明図。 １，２…受信用フイルタ、３，４…フロントエ
ンド、５，６…デイテクター、７…パルス受信回
路、８…設定スイツチ、９…送信用フイルタ、１
０…変調回路、１１…周波数切換回路、１２…パ
ルス送信回路、１３…選択スイツチ、１４…一斉
呼びスイツチ、１５…コントロール回路、１６…
音声ミユート回路。 Figure 1...Block diagram of an embodiment of this invention, Figure 2
Figure: An explanatory diagram of its operation. 1, 2... Reception filter, 3, 4... Front end, 5, 6... Detector, 7... Pulse receiving circuit, 8... Setting switch, 9... Transmission filter, 1
0... Modulation circuit, 11... Frequency switching circuit, 12... Pulse transmission circuit, 13... Selection switch, 14... Simultaneous call switch, 15... Control circuit, 16...
Audio mute circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 送信回路と、送信する搬送波を呼び出す相手側
のインターホンに固有の数だけ断続させるパルス
送信回路と、受信回路と、音声出力回路に設けら
れ搬送波を受信したとき動作する音声ミユート回
路と、受信した搬送波の断続する数を数え自己に
固有の数であることを識別したとき音声ミユート
回路の動作を解除するパルス受信回路とを備えた
ことを特徴とするＦＭ搬送式個別呼びインターホ
ン。 A transmitting circuit, a pulse transmitting circuit that intermits carrier waves to be transmitted by a number specific to the intercom of the other party to call, a receiving circuit, an audio mute circuit that is provided in the audio output circuit and operates when a carrier wave is received, and a received carrier wave. 1. An FM carrier type individual call intercom, comprising: a pulse receiving circuit that counts the intermittent number of , and cancels the operation of the audio mute circuit when it identifies that the number is unique to itself.
JP16040984U 1984-10-25 1984-10-25 Pending JPS6175666U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16040984U JPS6175666U (en) 1984-10-25 1984-10-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16040984U JPS6175666U (en) 1984-10-25 1984-10-25

Publications (1)

Publication Number Publication Date
JPS6175666U true JPS6175666U (en) 1986-05-21

Family

ID=30718331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16040984U Pending JPS6175666U (en) 1984-10-25 1984-10-25

Country Status (1)

Country Link
JP (1) JPS6175666U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836066A (en) * 1981-08-27 1983-03-02 Sanii Denshi Kk Communication system of fm carrier system interphone
JPS59178857A (en) * 1983-03-30 1984-10-11 Toshiba Electric Equip Corp Interphone device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836066A (en) * 1981-08-27 1983-03-02 Sanii Denshi Kk Communication system of fm carrier system interphone
JPS59178857A (en) * 1983-03-30 1984-10-11 Toshiba Electric Equip Corp Interphone device

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