Patent · US Expired

Reading apparatus

US6815657B2 · kind B2 · utility

45Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2002
Grant dateNov 9, 2004
Priority date
Expiry dateDec 2, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R27/2605
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A reading apparatus has a sensor unit which is arranged on a substrate to read an object to be detected, a driver circuit unit which is arranged on the substrate to supply a drive signal for driving the sensor unit, and a static electricity protection portion, which is formed to cover at least a portion of the upper surface of the driver circuit unit, and at least a portion of which has electrical conductivity.

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