JPS58104048U - acoustic coupling device - Google Patents

acoustic coupling device

Info

Publication number
JPS58104048U
JPS58104048U JP1982U JP1982U JPS58104048U JP S58104048 U JPS58104048 U JP S58104048U JP 1982 U JP1982 U JP 1982U JP 1982 U JP1982 U JP 1982U JP S58104048 U JPS58104048 U JP S58104048U
Authority
JP
Japan
Prior art keywords
acoustic coupling
coupling device
detection circuit
voltage detection
voltage
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.)
Granted
Application number
JP1982U
Other languages
Japanese (ja)
Other versions
JPS645414Y2 (en
Inventor
満 池田
古屋　省吾
森井　龍之
Original Assignee
株式会社田村電機製作所
松下電器産業株式会社
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 株式会社田村電機製作所, 松下電器産業株式会社 filed Critical 株式会社田村電機製作所
Priority to JP1982U priority Critical patent/JPS58104048U/en
Publication of JPS58104048U publication Critical patent/JPS58104048U/en
Application granted granted Critical
Publication of JPS645414Y2 publication Critical patent/JPS645414Y2/ja
Granted legal-status Critical Current

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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) [Abstract] 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図は本考案の実施例を示すブロック図、第２図は具
体的構成例を示す回路図である。 Ｂ・・・・・・電池、ＶＤ・・・・・・電圧検出回路、
−ＴＭ・・・・・・タイマー、ＳＷ・・・・・・スイッ
チ回路、ＳＰ＝・・・・・スピーカ、ＤＰ・・・・・・
警報表示器。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a specific example of the configuration. B...Battery, VD...Voltage detection circuit,
-TM...Timer, SW...Switch circuit, SP=...Speaker, DP...
Alarm indicator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電池電源を用いる音響結合装置において、電池電圧が所
定値以下にしたことを検出する電圧検出回路と、該電圧
検出回路の検出出力に応動する警報表示器と、前記電圧
検出回路め検出出力により起動しかつタイムアツプによ
り音響結合送信用スピーカの動作を停止させるタイマー
とを備えたことを特徴とする音響結合装置。An acoustic coupling device using a battery power source includes a voltage detection circuit that detects that the battery voltage has fallen below a predetermined value, an alarm indicator that responds to the detection output of the voltage detection circuit, and activation by the detection output of the voltage detection circuit. What is claimed is: 1. An acoustic coupling device comprising: a timer for stopping the operation of the acoustic coupling transmission speaker when time-up occurs.
JP1982U 1982-01-05 1982-01-05 acoustic coupling device Granted JPS58104048U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982U JPS58104048U (en) 1982-01-05 1982-01-05 acoustic coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982U JPS58104048U (en) 1982-01-05 1982-01-05 acoustic coupling device

Publications (2)

Publication Number Publication Date
JPS58104048U true JPS58104048U (en) 1983-07-15
JPS645414Y2 JPS645414Y2 (en) 1989-02-10

Family

ID=30013105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982U Granted JPS58104048U (en) 1982-01-05 1982-01-05 acoustic coupling device

Country Status (1)

Country Link
JP (1) JPS58104048U (en)

Also Published As

Publication number Publication date
JPS645414Y2 (en) 1989-02-10

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