专利名称：Electronic timepiece and method of making
the same
发明人：LU; SUN申请号：US36601273申请日：19730601公开号：US3889459A公开日：19750617
摘要：An electronic digital timepiece comprises a liquid crystal display on which isdirectly mounted the time base generator and logic circuitry in the form of an integratedcircuit. The time base generator comprises a resistor-capacitor oscillator wherein thetiming resistor and/or the timing capacitor are laser trimmed to adjust the outputfrequency of the time base generator.
申请人：LU; SUN
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