Patent · US Expired

Image output apparatus

US4763200A · kind A · utility

16Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 1986
Grant dateAug 9, 1988
Priority date
Expiry dateApr 9, 2006

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N1/3873
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image scanning apparatus is provided by (1) a platen on which an original can be placed; (2) a scanning device for scanning the original, which includes a lens for projecting the image of the original on an imaging plane; (3) an image sensor for sensing the image projected on the imaging plane which consists of a plurality of elements arranged linearly along to the imaging plane; (4) a memory device for storing data sensed by the image sensor during a scan by the scanning device; and (5) an assembly for determining the real image area on the original based on the data stored in the memory device. To the above apparatus can be added an output control device for sending digital data of a real image area. A copier according to the present invention which can copy a manuscript, comprises: (1) the above-mentioned image scanning apparatus; (2) is also provided by the above by including an image forming device and (3) a control device for allowing the image forming device to form only the image in the image area. Also, a light controller for an image reader is provided by a standard pattern plate which has a standard pattern of a prescribed density; a light source driven by an electric…

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