Patent · US Expired

Facsimile device enabling efficient output to record sheet

US5057937A · kind A · utility

19Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 1990
Grant dateOct 15, 1991
Priority date
Expiry dateFeb 8, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/3271
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A facsimile device, which receives picture data of an original document, which is constituted by a plurality of data lines, through a telephone line and records the received picture data onto a record sheet, has a counting device for counting the number of the received data lines, an operation device for comparing the number of the data lines with a predetermined value and evaluating the number of data lines exceeding the predetermined value as an excess number, a determination device for determining whether each of the received data lines is valid or invalid picture data, a data processing device for removing the data lines that are invalid picture data, the number of which corresponds to the excess number, out of the received data lines in accordance with the determination by the determination device, and a recording device for recording the remaining received data lines processed by the data processing device onto the record sheet. A processing method is also disclosed and claimed.

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