JPS63159960U - - Google Patents
Info
- Publication number
- JPS63159960U JPS63159960U JP5166987U JP5166987U JPS63159960U JP S63159960 U JPS63159960 U JP S63159960U JP 5166987 U JP5166987 U JP 5166987U JP 5166987 U JP5166987 U JP 5166987U JP S63159960 U JPS63159960 U JP S63159960U
- Authority
- JP
- Japan
- Prior art keywords
- call time
- comparing
- presetting
- preset
- matching signal
- 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 1
Landscapes
- Meter Arrangements (AREA)
Description
第１図は、本考案のキーテレホンの通話時間ア
ラーム発信部のブロツク図である。
１……時間セツトボタン、２……記憶回路、３
……タイマー、４……タイマースイツチ、５……
ＡＮＤ回路、６……比較回路、７……アラーム発
信源。
FIG. 1 is a block diagram of the call time alarm transmitter of the key telephone of the present invention. 1... Time set button, 2... Memory circuit, 3
...Timer, 4...Timer switch, 5...
AND circuit, 6...comparison circuit, 7...alarm source.
Claims (1)
段と、 通話時間を計時する計時手段と、 前記プリセツト手段にプリセツトされた通話時
間と、前記計時手段によつて計時された通話時間
とを比較し、一致した場合に一致信号を出力する
比較手段と、 この比較手段からの一致信号によつて駆動され
る警報手段とを備えるキーテレホン。[Scope of Claim for Utility Model Registration] Presetting means for presetting an arbitrary call time, timekeeping means for measuring the call time, call time preset in the preset means, and call time measured by the timekeeping means. A key telephone comprising: comparing means for comparing the following and outputting a matching signal when they match; and an alarm means driven by the matching signal from the comparing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5166987U JPS63159960U (en) | 1987-04-07 | 1987-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5166987U JPS63159960U (en) | 1987-04-07 | 1987-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63159960U true JPS63159960U (en) | 1988-10-19 |
Family
ID=30876149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5166987U Pending JPS63159960U (en) | 1987-04-07 | 1987-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63159960U (en) |
-
1987
- 1987-04-07 JP JP5166987U patent/JPS63159960U/ja active Pending