JPH0434051U - - Google Patents
Info
- Publication number
- JPH0434051U JPH0434051U JP7483790U JP7483790U JPH0434051U JP H0434051 U JPH0434051 U JP H0434051U JP 7483790 U JP7483790 U JP 7483790U JP 7483790 U JP7483790 U JP 7483790U JP H0434051 U JPH0434051 U JP H0434051U
- Authority
- JP
- Japan
- Prior art keywords
- call
- signal
- door intercom
- hook detection
- hook
- 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 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Description
第１図は本考案によるドアホン装置の一実施例
の要部ブロツク図である。
図中、１はドアホン、２は通話回路、３は送受
話器、４はフツク検出部、５はタイマー部、６は
終話信号発生部、７は制御部である。
FIG. 1 is a block diagram of essential parts of an embodiment of the door intercom device according to the present invention. In the figure, 1 is a doorbell, 2 is a communication circuit, 3 is a handset, 4 is a hook detection section, 5 is a timer section, 6 is a call end signal generation section, and 7 is a control section.
Claims (1)
行うドアホン装置において、通話装置のフツクオ
ンを検出するフツク検出部と、フツク検出部より
の信号に基づき終話信号を発生する終話信号発生
部とでなり、前記終話信号発生部は、通話終了に
て出力するフツク検出部よりの信号により所定の
時間終話信号を発生し、ドアホンに送出するよう
に構成したことを特徴とするドアホン装置。 In a door intercom device that is installed at the entrance or the like and makes a call with a communication device inside a dwelling unit, a hook detection unit detects a hook-on of the communication device, and a call termination signal generation unit generates a call termination signal based on a signal from the hook detection unit. The door intercom device is characterized in that the call end signal generating section is configured to generate a call end signal for a predetermined period of time based on the signal output from the hook detection section at the end of the call, and send it to the door intercom. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7483790U JPH0434051U (en) | 1990-07-13 | 1990-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7483790U JPH0434051U (en) | 1990-07-13 | 1990-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434051U true JPH0434051U (en) | 1992-03-19 |
Family
ID=31614882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7483790U Pending JPH0434051U (en) | 1990-07-13 | 1990-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434051U (en) |
-
1990
- 1990-07-13 JP JP7483790U patent/JPH0434051U/ja active Pending
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