Patents by Inventor Richard Peter Szajewski

Richard Peter Szajewski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6007973
    Abstract: The invention provides a tightly wrapped photographic element comprising a support bearing at least one photographic silver halide emulsion having associated therewith at least one high dye-yield coupler that releases a dye having an electrically neutral dye chromophore, said element having a radius of curvature of less than 6,000 micrometers. The tightly wrapped photographic element exhibits less pressure sensitivity than conventional elements while maintaining satisfactory photographic response.This is a Continuation of application Ser. No. 08/565,122, filed Nov. 30, 1995, now abandoned, which is a Continuation of application Ser. No. 08/250,199, file May 27, 1994, now abandoned.
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: December 28, 1999
    Assignee: Eastman Kodak Company
    Inventors: David Thomas Southby, Richard Peter Szajewski
  • Patent number: 5878283
    Abstract: The invention relates to single use cameras. In particular it relates to a single use camera that incorporates a motion sensor. The motion sensor enables automatic activation of various camera features and utilities. These include the automatic activation of such normal camera actions as shutter release and the taking of a photograph, activation of a flash unit either to aid in the taking of a photograph or as a warning or signaling device and activation of an incorporated audible alarm.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: March 2, 1999
    Assignee: Eastman Kodak Company
    Inventors: Gary Lawrence House, Richard Peter Szajewski
  • Patent number: 5875362
    Abstract: The invention relates to a single-use camera comprising a mechanism for repetitive flashing not connected to shutter operation.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: February 23, 1999
    Assignee: Eastman Kodak Company
    Inventor: Richard Peter Szajewski
  • Patent number: 5870643
    Abstract: The invention relates to a single-use camera comprising an apparatus for reflecting light and/or a siren.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: February 9, 1999
    Assignee: Eastman Kodak Company
    Inventors: Richard Peter Szajewski, Allan Francis Sowinski
  • Patent number: 5822621
    Abstract: The invention relates to a camera comprising means to emit a smile sound.
    Type: Grant
    Filed: July 21, 1997
    Date of Patent: October 13, 1998
    Assignee: Eastman Kodak Company
    Inventor: Richard Peter Szajewski
  • Patent number: 5750325
    Abstract: Photographic elements having bromide or iodide ion stabilized high chloride {111} tabular grain emulsions are rapidly processed. The emulsion grains comprise a high chloride core with a surrounding band of higher bromide or iodide ion than that found in the core. The emulsion is precipitated in the presence of an organic grain growth modifier or surface stabilizer. Specific developing conditions of temperature, time, bromide ion concentration, color developing agent concentration and ratio of developing agent to bromide ion allow for the rapid processing of these elements.
    Type: Grant
    Filed: February 24, 1997
    Date of Patent: May 12, 1998
    Assignee: Eastman Kodak Company
    Inventor: Richard Peter Szajewski
  • Patent number: 5709981
    Abstract: The invention relates to a light sensitive photographic element comprising a support, and chemically and spectrally sensitized emulsions (A) and (B), wherein:emulsion (A) comprises a tabular silver halide emulsion population comprised of at least 50 mole percent chloride, based on silver, wherein at least 50 percent of the grain population projected area is accounted for by tabular grains bounded by {111} major faces, each having an aspect ratio of at least 2 and each being comprised of a core and a surrounding band containing a higher level of bromide or iodide ion than is present in said core, said band containing up to about 30 percent of the silver in the tabular grain;wherein said emulsion (A) has been precipitated in the presence of an organic grain growth modifier or surface stabilizer and wherein said organic grain growth modifier or surface stabilizer has been substantially removed from said emulsion (A) after the formation of said band; andemulsion (B) comprises at least 50 mole percent chloride, ba
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: January 20, 1998
    Assignee: Eastman Kodak Company
    Inventor: Richard Peter Szajewski
  • Patent number: 5691130
    Abstract: A color recording photographic element is disclosed containing a support and, superimposed on the support, blue, green and red recording layer units. The layer unit nearest the support contains a high chloride tabular grain emulsion and an optionally esterified glycolic ether having a molecular weight of at least 300 and containing at least one thioether moiety. The layer unit farthest from the support is free of the optionally esterified glycol compound. The advantages realized are an increased imaging density range, increased sensitivity, and increased contrast.
    Type: Grant
    Filed: November 28, 1995
    Date of Patent: November 25, 1997
    Assignee: Eastman Kodak Company
    Inventors: Lois Ann Buitano, Richard Peter Szajewski
  • Patent number: 5667949
    Abstract: Photographic elements having bromide or iodide ion stabilized high chloride {111} tabular grain emulsions are rapidly processed. The emulsion grains comprise a high chloride core with a surrounding band of higher bromide or iodide ion than that found in the core. The emulsion is precipitated in the presence of an organic grain growth modifier or surface stabilizer. Specific developing conditions of temperature, time, bromide ion concentration, color developing agent concentration and ratio of developing agent to bromide ion allow for the rapid processing of these elements.
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: September 16, 1997
    Assignee: Eastman Kodak Company
    Inventor: Richard Peter Szajewski