JPS635743U - - Google Patents
Info
- Publication number
- JPS635743U JPS635743U JP9795286U JP9795286U JPS635743U JP S635743 U JPS635743 U JP S635743U JP 9795286 U JP9795286 U JP 9795286U JP 9795286 U JP9795286 U JP 9795286U JP S635743 U JPS635743 U JP S635743U
- Authority
- JP
- Japan
- Prior art keywords
- house
- base unit
- call switch
- count
- volume
- 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
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Description
図面はこの考案の一実施例を示すもので、第１
図は全体の回路構成を示すブロツク図、第２図は
第１図の親機の詳細な回路構成を示す図、第３図
はさらに第２図の音量制御回路の詳細な回路構成
を示す図である。
１０……子機、１１，１５……スピーカ、１３
，１６……マイクロフオン、１３……呼出しスイ
ツチ、１４……親機、２１……待受けスイツチ、
２６……音量制御回路、２６ａ……ワンシヨツト
回路、２６ｂ……カウンタ２６ｂ、２６ｃ……デ
コーダ２６ｃ、２７……アンプ、２８……ブザー
回路、２９……通話切換スイツチ、３０……ハイ
ブリツド回路。
The drawing shows one embodiment of this invention.
The figure is a block diagram showing the overall circuit configuration, Figure 2 is a diagram showing the detailed circuit configuration of the main unit in Figure 1, and Figure 3 is a diagram showing the detailed circuit configuration of the volume control circuit in Figure 2. It is. 10...Slave unit, 11, 15...Speaker, 13
, 16...Microphone, 13...Call switch, 14...Base unit, 21...Standby switch,
26... Volume control circuit, 26a... One shot circuit, 26b... Counter 26b, 26c... Decoder 26c, 27... Amplifier, 28... Buzzer circuit, 29... Call changeover switch, 30... Hybrid circuit.
Claims (1)
機と、家屋内部に設置された親機との間で交互通
話を行なうインタホンにおいて、 上記呼出しスイツチの操作回数をカウントする
カウント手段と、 このカウント手段のカウント値に応じて上記親
機での報知音の音量を制御する音量制御手段と を具備したことを特徴とするインタホン。[Scope of Claim for Utility Model Registration] In an intercom that is equipped with a call switch and performs alternating calls between a handset installed outside the house and a base unit installed inside the house, the number of operations of the call switch is counted. 1. An interphone comprising: a count means for counting; and a volume control means for controlling the volume of the notification sound on the base unit according to the count value of the count means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9795286U JPS635743U (en) | 1986-06-26 | 1986-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9795286U JPS635743U (en) | 1986-06-26 | 1986-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS635743U true JPS635743U (en) | 1988-01-14 |
Family
ID=30965434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9795286U Pending JPS635743U (en) | 1986-06-26 | 1986-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS635743U (en) |
-
1986
- 1986-06-26 JP JP9795286U patent/JPS635743U/ja active Pending