JPS60191993U - Alarm electronic clock with temperature display function - Google Patents
Alarm electronic clock with temperature display functionInfo
- Publication number
- JPS60191993U JPS60191993U JP7889984U JP7889984U JPS60191993U JP S60191993 U JPS60191993 U JP S60191993U JP 7889984 U JP7889984 U JP 7889984U JP 7889984 U JP7889984 U JP 7889984U JP S60191993 U JPS60191993 U JP S60191993U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- circuit
- alarm
- oscillation
- display function
- 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
Landscapes
- Electric Clocks (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例を示すブロック図、第２図は第
１図に示された一部ブロックの回路図である。
１・・・・・・計時回路、２・・・・・・水晶振動子、
３・・・・・・液晶表示装置、４・・・・・・アラーム
駆動回路、５・・・・・・圧電素子、６・・・・・、・
切り替え回路、７・・・・・・発振回路、８・・・・・
・温度変換回路。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram of some blocks shown in FIG. 1. 1...Clock circuit, 2...Crystal oscillator,
3...Liquid crystal display device, 4...Alarm drive circuit, 5...Piezoelectric element, 6......
Switching circuit, 7...Oscillation circuit, 8...
・Temperature conversion circuit.
Claims (1)
圧電素子を用いたアラーム電子時計に於いて、温度に
よって発振周波数が変化させられるＣＲ発振回路と、該
発振回路の発振周波数を計数しその計数値に基いて温度
を算出する温度変換回路と、アラーム動作時と温度測定
時の切り替え信号によって制御され、前記圧電素子を前
記アラーム駆動回路に接続するか、あるいは、前記発振
回路に接続するかを切り替え回路とを備え、温度によっ
て変化する前記圧電素子の静電容量を前記発振回路のコ
ンデンサとして用いることにより温度に応じて発振周波
数が変化し温度測定が為されることを特徴とする温度表
示機能付アラーム電子時計。To the sounding body driven by the alarm drive circuit □
An alarm electronic clock using a piezoelectric element includes a CR oscillation circuit whose oscillation frequency is changed depending on the temperature, a temperature conversion circuit that counts the oscillation frequency of the oscillation circuit and calculates the temperature based on the counted value, and an alarm. a switching circuit that is controlled by a switching signal during operation and temperature measurement to determine whether the piezoelectric element is connected to the alarm drive circuit or to the oscillation circuit; An alarm electronic timepiece with a temperature display function, characterized in that temperature measurement is performed by changing the oscillation frequency according to temperature by using a capacitance as a capacitor of the oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7889984U JPS60191993U (en) | 1984-05-29 | 1984-05-29 | Alarm electronic clock with temperature display function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7889984U JPS60191993U (en) | 1984-05-29 | 1984-05-29 | Alarm electronic clock with temperature display function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60191993U true JPS60191993U (en) | 1985-12-19 |
Family
ID=30623304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7889984U Pending JPS60191993U (en) | 1984-05-29 | 1984-05-29 | Alarm electronic clock with temperature display function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60191993U (en) |
-
1984
- 1984-05-29 JP JP7889984U patent/JPS60191993U/en active Pending
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