Patent · US Expired

Cellular phone capable of measuring temperature by IR means

US7333832B2 · kind B2 · utility

52Cited by
10References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 3, 2004
Grant dateFeb 19, 2008
Priority date
Expiry dateMar 2, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M2250/12
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present invention is to provide a cellular phone capable of measuring temperature including a liquid crystal display, a CPU and an IR temperature measurement means coupled to the CPU, wherein a first GPO pin and a second GPO pin of the CPU are adapted to control power supply of a power supply IC and start or stop of the IR temperature measurement means respectively, and in response to receiving a temperature measurement signal, the CPU performs a plurality of processing and conversion steps to show a corresponding temperature on the display.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.