U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Portable image input device

Patent 4947261 Issued on August 7, 1990. Estimated Expiration Date: Icon_subject July 7, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Diffraction based light collector
Patent #: 4314283
Issued on: 02/02/1982
Inventor: Kramer

Electronic still camera with individual non-volatile memory units
Patent #: 4489351
Issued on: 12/18/1984
Inventor: d'Alayer de Costemore d'Arc

Optical reading apparatus having a reading sensor of electronic scanning type
Patent #: 4538060
Issued on: 08/27/1985
Inventor: Sakai ,   et al.

Manuscript reading apparatus
Patent #: 4602293
Issued on: 07/22/1986
Inventor: Sekine

Image reading apparatus
Patent #: 4701804
Issued on: 10/20/1987
Inventor: Toyoda ,   et al.

Selective code reader
Patent #: 4704519
Issued on: 11/03/1987
Inventor: Kulikauskas

Hand held scanning input device and system
Patent #: 4707747
Issued on: 11/17/1987
Inventor: Rockwell, III

Copying machine
Patent #: 4716291
Issued on: 12/29/1987
Inventor: Sakamoto ,   et al.

Electronically programmable calculator with memory package
Patent #: 4722065
Issued on: 01/26/1988
Inventor: Ogawa

Image reading apparatus including means for accurately determining the location of read image information
Patent #: 4731668
Issued on: 03/15/1988
Inventor: Satomura ,   et al.

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Inventors

Application

No. 216268 filed on 07/07/1988

US Classes:

358/473, Hand-held reader358/471, Picture signal generator358/474, Scanning382/313Hand-held

Examiners

Primary: Groody, James J.
Assistant: Vu, Hien

Foreign Patent References

  • 60-218179 JP. 04/13/1984
  • 61-224081 JP. 10/13/1986
  • 61-224082 JP. 10/13/1986
  • 61-262887 JP. 11/13/1986
  • 62-5292 JP. 01/13/1987

International Class

H04N 001/21

Foreign Application Priority Data

1987-07-08 JP

Abstract

An image input device of a portable type includes a light source for reading an original document, a photo-electric converting element for converting reflected light from the original document into an electrical signal, a memory function section having a solid state memory element for storing the output of the photo-electric converting element, an output port for allowing external connections, and operating keys for operating the image input device. Furthermore, the image input device may include a diffraction grating for diffracting the reflected light to form an image on the photo-electric converting element and interchangeable lenses having different focal lengths for achieving various magnifications.

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