Patent · US Expired

Adjustable width document reader

US4098458A · kind A · utility

8Cited by
3References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 27, 1976
Grant dateJul 4, 1978
Priority date
Expiry dateOct 27, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K13/06
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A document reader, for reading paper cards and other types of discrete documents, having means for adjusting the reader to accommodate different width documents. The transport channel of the apparatus, through which the cards are passed during the reading process, is equipped with an adjustable wall for defining either discrete channel widths or a width range which can be set for operation with documents of any width within such range. In another embodiment, the document reader contains channel width adjusting elements in both the input and reading sections, and the channel width adjustment means of the reader section is adjustable in response to the position of the input width adjusting element.

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