JPH0166097U

JPH0166097U -

Info

Publication number: JPH0166097U
Application number: JP1987161285U
Authority: JP
Priority date: 1987-10-21
Filing date: 1987-10-21
Publication date: 1989-04-27

Description

[Brief explanation of the drawing]

第１図は本考案の温度補償機能付き電子時計の
一実施例を示すブロツク図、第２図は第１図の制
御信号形成回路３のタイミング図、第３図は第１
図の３〜１１のブロツクの、具体的構成例及び接
続例を示した回路図、第４図は第３図の傾き調整
回路４のタイミング図、第５図は第３図のデコー
ダー９の具体的構成例を示す回路図、第６図は温
度捕償の概念図、第７図は従来例の温度補償後の
温度特性図である。１……発振回路、１ａ……音叉型水晶振動子、
２……温度情報発生回路、３……感温発振回路、
４……傾き調整回路、５……オフセツト調整回路
、６……折り返し回路、７……パルス数変換回路
、８……カウンター、９……デコーダー、１０…
…第１割り込み回路、１１……第２割り込み回路
、１２……分周回路、１３……制御信号形成回路
、１４……時計回路、１５……ステツプモータ。 FIG. 1 is a block diagram showing an embodiment of the electronic timepiece with temperature compensation function of the present invention, FIG. 2 is a timing diagram of the control signal forming circuit 3 of FIG. 1, and FIG.
A circuit diagram showing specific configuration examples and connection examples of blocks 3 to 11 in the figure, FIG. 4 is a timing diagram of the tilt adjustment circuit 4 of FIG. 3, and FIG. 5 is a specific example of the decoder 9 of FIG. 3. FIG. 6 is a conceptual diagram of temperature compensation, and FIG. 7 is a temperature characteristic diagram after temperature compensation of a conventional example. 1...Oscillation circuit, 1a...Tuning fork type crystal resonator,
2...Temperature information generation circuit, 3...Temperature-sensitive oscillation circuit,
4...Inclination adjustment circuit, 5...Offset adjustment circuit, 6...Returning circuit, 7...Pulse number conversion circuit, 8...Counter, 9...Decoder, 10...
...first interrupt circuit, 11 ... second interrupt circuit, 12 ... frequency dividing circuit, 13 ... control signal forming circuit, 14 ... clock circuit, 15 ... step motor.

Claims

[Scope of utility model registration request]

A crystal oscillation circuit having a secondary temperature characteristic, a temperature information generating means having a primary temperature characteristic, a temperature information converting means for logically adjusting a temperature gradient and an offset of the temperature information generating means, and the temperature information converting means In an electronic watch with a temperature compensation function, which has a frequency adjustment means for compensating for the secondary temperature characteristics of the crystal oscillation circuit based on the information of An electronic clock with a temperature compensation function characterized by having a resolution that is more than twice as high as the output resolution.