JPS62124597U - - Google Patents
Info
- Publication number
- JPS62124597U JPS62124597U JP1386786U JP1386786U JPS62124597U JP S62124597 U JPS62124597 U JP S62124597U JP 1386786 U JP1386786 U JP 1386786U JP 1386786 U JP1386786 U JP 1386786U JP S62124597 U JPS62124597 U JP S62124597U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- alarm
- ultrasonic sensor
- clock
- period
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electric Clocks (AREA)
Description
第１図は本考案の一実施例に係るアラーム付時
計の回路図。第２図は第１図の動作期間検出回路
の詳細な回路図。
２……基準信号発生器、４……分周回路、６…
…計時回路、１２……アラーム回路、２２……ア
ラームセツトスイツチ、２４……超音波センサ、
２８……動作期間検出回路、３０……動作信号制
御回路。
FIG. 1 is a circuit diagram of an alarm clock according to an embodiment of the present invention. FIG. 2 is a detailed circuit diagram of the operating period detection circuit of FIG. 1. 2... Reference signal generator, 4... Frequency dividing circuit, 6...
... Clock circuit, 12 ... Alarm circuit, 22 ... Alarm set switch, 24 ... Ultrasonic sensor,
28... Operating period detection circuit, 30... Operating signal control circuit.
Claims (1)
信号を分周する分周回路と、前記分周回路の出力
により現時刻を計時する計時回路と、前記計時回
路により計時された現時刻が設定時刻になつたこ
とを検出して報知音を発生するアラーム回路と、
外部操作により前記アラーム回路の動作を有効と
するアラームセツトスイツチと、を有するアラー
ム付時計において、前記アラーム付時計の近傍に
人が存在するか否かを検出する超音波センサと、
前記計時回路の出力により前記超音波センサが動
作する期間を決定する動作期間検出回路と、前記
動作期間検出回路にて検出された期間内に前記超
音波センサが人の存在を検出しなかつたときは前
記アラームセツトスイツチの動作信号を無効とす
る動作信号制御回路と、を付加したことを特徴と
するアラーム付時計。 a reference signal generator, a frequency dividing circuit that divides the signal from the reference signal generator, a clock circuit that clocks the current time based on the output of the frequency divider circuit, and the current time measured by the clock circuit is set. an alarm circuit that detects when the time has come and generates a notification sound;
an alarm set switch that enables the operation of the alarm circuit by external operation; an ultrasonic sensor that detects whether a person is present near the alarm watch;
an operation period detection circuit that determines the period in which the ultrasonic sensor operates based on the output of the timer circuit; and when the ultrasonic sensor does not detect the presence of a person within the period detected by the operation period detection circuit. An alarm clock further comprising: an operation signal control circuit for disabling the operation signal of the alarm set switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1386786U JPS62124597U (en) | 1986-01-30 | 1986-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1386786U JPS62124597U (en) | 1986-01-30 | 1986-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62124597U true JPS62124597U (en) | 1987-08-07 |
Family
ID=30803325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1386786U Pending JPS62124597U (en) | 1986-01-30 | 1986-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62124597U (en) |
-
1986
- 1986-01-30 JP JP1386786U patent/JPS62124597U/ja active Pending
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