JPS62123597U - - Google Patents
Info
- Publication number
- JPS62123597U JPS62123597U JP1220686U JP1220686U JPS62123597U JP S62123597 U JPS62123597 U JP S62123597U JP 1220686 U JP1220686 U JP 1220686U JP 1220686 U JP1220686 U JP 1220686U JP S62123597 U JPS62123597 U JP S62123597U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- alarm
- infrared sensor
- period
- detects
- 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.)
- Granted
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……赤外線センサ、
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 ... Infrared 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人
体から放射される赤外線を検出する赤外線センサ
と、前記計時回路の出力により前記赤外線センサ
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
記赤外線センサが前記赤外線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 frequency of the signal from the reference signal generator, a timing circuit that measures the current time based on the output of the frequency dividing circuit, and the current time measured by the timing 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 infrared sensor that detects infrared rays emitted from a human body near the alarm watch; an operation period detection circuit that determines the period in which the infrared sensor operates;
An operation signal control circuit that disables the operation signal of the alarm set switch when the infrared sensor does not detect the infrared rays within the period detected by the operation period detection circuit is added. A clock with an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1220686U JPH0212634Y2 (en) | 1986-01-29 | 1986-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1220686U JPH0212634Y2 (en) | 1986-01-29 | 1986-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62123597U true JPS62123597U (en) | 1987-08-05 |
| JPH0212634Y2 JPH0212634Y2 (en) | 1990-04-09 |
Family
ID=30800121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1220686U Expired JPH0212634Y2 (en) | 1986-01-29 | 1986-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0212634Y2 (en) |
-
1986
- 1986-01-29 JP JP1220686U patent/JPH0212634Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0212634Y2 (en) | 1990-04-09 |