JPS6214596U - - Google Patents
Info
- Publication number
- JPS6214596U JPS6214596U JP10636485U JP10636485U JPS6214596U JP S6214596 U JPS6214596 U JP S6214596U JP 10636485 U JP10636485 U JP 10636485U JP 10636485 U JP10636485 U JP 10636485U JP S6214596 U JPS6214596 U JP S6214596U
- Authority
- JP
- Japan
- Prior art keywords
- display section
- alarm
- intercom device
- current
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Description
第1図、第2図は本考案によるインターホン装
置の一実施例を示す回路図及び要部を示す図、第
3図は本考案の他の実施例を示す回路図である。
1……玄関子機、2……親機、2a……明るさ
制御回路、3……警報器、4……表示部、7……
警報信号検知回路。なお、図中、同一符号は同一
又は相当部分を示す。
1 and 2 are a circuit diagram and a diagram showing essential parts of an embodiment of an intercom device according to the present invention, and FIG. 3 is a circuit diagram showing another embodiment of the present invention. 1... Entrance slave unit, 2... Base unit, 2a... Brightness control circuit, 3... Alarm, 4... Display unit, 7...
Alarm signal detection circuit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
となつた親機と玄関子機とを備えたインターホン
装置において、上記玄関子機に設けられ、定常時
電源から供給される電流にもとづき点灯する表示
部と、警報器の出力を検出する警報信号検知回路
と、この警報信号検知回路の出力にもとづき上記
電流より大きい電流を上記表示部に供給する明る
さ制御回路とを設けたことを特徴とするインター
ホン装置。 (2) 明るさ制御回路は、表示部に流す電流を断
続することを特徴とする実用新案登録請求の範囲
第1項記載のインターホン装置。[Scope of Claim for Utility Model Registration] (1) In an intercom device equipped with a base unit and an entrance handset that have a microphone and a speaker and are capable of mutual communication, the entrance handset is provided with a display section that lights up based on the current supplied from the alarm, an alarm signal detection circuit that detects the output of the alarm, and brightness control that supplies a current larger than the above current to the display section based on the output of the alarm signal detection circuit. An intercom device characterized by being provided with a circuit. (2) The intercom device according to claim 1, wherein the brightness control circuit intermittents the current flowing through the display section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10636485U JPS6214596U (en) | 1985-07-12 | 1985-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10636485U JPS6214596U (en) | 1985-07-12 | 1985-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6214596U true JPS6214596U (en) | 1987-01-28 |
Family
ID=30981650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10636485U Pending JPS6214596U (en) | 1985-07-12 | 1985-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6214596U (en) |
-
1985
- 1985-07-12 JP JP10636485U patent/JPS6214596U/ja active Pending