Calculator

The invention discloses a calculator which comprises a power supply, a display screen connected with the power supply and an operation circuit, and is characterized by further comprising a backlight control circuit which is connected with a touch panel electrically and used for controlling the backl...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	ZHOU HOUBIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMPUTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY
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