Patent · US Expired

Apparatus for providing a visual indication of receipt of an electronic message

US6661348B2 · kind B2 · utility

1Cited by
7References
15Claims
0Family size

Inventors

Key dates

Filing dateOct 10, 2001
Grant dateDec 9, 2003
Priority date
Expiry dateOct 10, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2340/14
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

Apparatus and method for providing a visual indication of receipt of an electronic message by changing the color of at least a portion of a display formed of liquid crystal according to the message received. A first circuit receives an incoming signal, a second circuit identifies the incoming signal by comparing the incoming signal with stored signals, and a third circuit causes a predetermined voltage to be coupled to a predetermined area of the liquid crystal to cause the predetermined area to assume a predetermined color to call attention to the incoming message.

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