Patents by Inventor Ervin Goldfain
Ervin Goldfain 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: 8616454Abstract: Systems and methods for making and using handheld data readers comprising one or more fluid lenses. One or more fluid lenses are provided to allow a handheld data reader to perform such operations as reading indicia, including such additional operations as zooming, reorienting a viewing direction, focusing, adjusting an optical axis, and correcting for the effects of motion such as hand jitter. The fluid lens or lenses can be operated for example by applying electrical signals to fluid lenses comprising a plurality of fluids including at least one that is conductive and at least one that is non-conductive.Type: GrantFiled: September 14, 2006Date of Patent: December 31, 2013Inventors: William H. Havens, Ynjiun P. Wang, Vivian L. Hunter, Allan I. Krauter, Ervin Goldfain, Raymond A. Lia, Richard W. Newman, Thomas W. Karpen, Bradford Morse, Dongmin Yang
-
Publication number: 20130342826Abstract: A system that incorporates teachings of the present disclosure may include, for example, a method for aligning first and second light signals on an optical path directed to a target, where the first light signal provides a visualization of the target, and a portion of the second light signal reflects from at least one subsurface of the target. The method also includes aligning a first focal point of the first light signal and a second focal point of the second light signal, where the first focal point is at least in a first proximate location of the second focal point, and adjusting a first position of the first and second focal points to be in at least a second proximate location of the target without adjusting the at least first proximate location of the first focal point relative to the second focal point. Other embodiments are disclosed.Type: ApplicationFiled: August 21, 2013Publication date: December 26, 2013Applicant: Welch Allyn, Inc.Inventors: Ervin Goldfain, Raymond A. Lia
-
Publication number: 20130338444Abstract: A light assembly for a hand-held medical diagnostic instrument. The light assembly includes a substrate having a top surface and a bottom surface, a light source mounted to the top surface, and the bottom surface having first and second electrical terminals. The light assembly further includes a circuit board disposed inclined to the substrate, the circuit board having first and second electrical terminals, a first connector mounting and electrically connecting the first electrical terminal of the substrate to the first electrical terminal of the circuit board, a second connector mounting and electrically connecting the second electrical terminal of the substrate to the second electrical terminal of the circuit board, a heat sink, and a thermal conductor thermally connecting at least one of the first and second electrical terminals of the substrate to the heat sink.Type: ApplicationFiled: May 24, 2013Publication date: December 19, 2013Applicant: WELCH ALLYN, INC.Inventors: Raymond A. Lia, Ervin Goldfain, Chris R. Roberts, Steven R. Slawson, Robert J. Wood
-
Publication number: 20130267783Abstract: A medical diagnostic instrument that enables optical viewing of a target area, includes an optical system disposed within an instrument housing, the optical system including at least one primary optical element disposed along an optical axis. A focusing screen is distally aligned along the optical axis for focusing an image of the target area received from the optical system. The focusing screen enables a user to view the target area without requiring an eyepiece, thereby permitting the caregiver to conduct examinations without requiring intimate contact between the patient and the caregiver.Type: ApplicationFiled: March 15, 2013Publication date: October 10, 2013Applicant: Welch Allyn, Inc.Inventors: Peter J. Davis, Ervin Goldfain
-
Publication number: 20130267784Abstract: An otoscope includes an instrument head, a tip element and an optical system. The instrument head has a distal insertion portion for insertion into an ear of a human or veterinary subject. The distal insertion portion has a distal opening. The tip element is releasably attached to the distal insertion portion. The tip element has a distal opening. The optical system is contained within the instrument head. The optical system includes a plurality of optical components. The optical system further comprises a viewing component for viewing of an image of a target of interest aligned along an optical axis disposed within said distal opening. The optical system is configured to provide a field of having a diameter equaling at least 7 mm at a distance of at least 15 mm from a distal opening of said attached tip element. The optical system is further configured to simultaneously provide a distance range of optimal focus having a range of at least 8 mm.Type: ApplicationFiled: May 22, 2013Publication date: October 10, 2013Inventors: Eric M. Andreassen, David M. Fallat, Ervin Goldfain, John R. Strom, John T. Delaney, Howard Haines, Corinn C. Fahrenkrug, Cynthia A. Kuiper
-
Patent number: 8543192Abstract: A system that incorporates teachings of the present disclosure may include, for example, a method for aligning first and second light signals on an optical path directed to a target, where the first light signal provides a visualization of the target, and a portion of the second light signal reflects from at least one subsurface of the target. The method also includes aligning a first focal point of the first light signal and a second focal point of the second light signal, where the first focal point is at least in a first proximate location of the second focal point, and adjusting a first position of the first and second focal points to be in at least a second proximate location of the target without adjusting the at least first proximate location of the first focal point relative to the second focal point. Other embodiments are disclosed.Type: GrantFiled: November 10, 2011Date of Patent: September 24, 2013Assignee: Welch Allyn, Inc.Inventors: Ervin Goldfain, Raymond A. Lia
-
Patent number: 8469882Abstract: An otoscope includes an instrument head, a tip element and an optical system. The instrument head has a distal insertion portion for insertion into an ear of a human or veterinary subject. The distal insertion portion has a distal opening. The tip element is releasably attached to the distal insertion portion. The tip element has a distal opening. The optical system is contained within the instrument head. The optical system includes a plurality of optical components. The optical system further comprises a viewing component for viewing of an image of a target of interest aligned along an optical axis disposed within said distal opening.Type: GrantFiled: September 20, 2011Date of Patent: June 25, 2013Assignee: Welch Allyn, Inc.Inventors: Eric M. Andreassen, David M. Fallat, Ervin Goldfain, John R. Strom, John T. Delaney, Howard Haines, III, Corinn C. Fahrenkrug, Cynthia A. Kuiper
-
Publication number: 20130148326Abstract: A system that incorporates teachings of the present disclosure may include, for example, a method for generating from a light source a light signal operating in a region of the light spectrum, modifying the light signal with a first polarization device having a first polarization state to generate a polarized light signal directed to a target, modifying a substantially specular reflection and a substantially diffused reflection of the polarized light signal generated from the target with a second polarization device having a second polarization state to generate mixed polarized light signals having a mixed polarization state, and adjusting the mixed polarization state to modify an observable range of subsurfaces of the target. Other embodiments are disclosed.Type: ApplicationFiled: December 13, 2011Publication date: June 13, 2013Applicant: Welch Allyn, Inc.Inventor: Ervin Goldfain
-
Patent number: 8459844Abstract: A light assembly for a hand-held medical diagnostic instrument. The light assembly includes a substrate having a top surface and a bottom surface, a light source mounted to the top surface, and the bottom surface having first and second electrical terminals. The light assembly further includes a circuit board disposed inclined to the substrate, the circuit board having first and second electrical terminals, a first connector mounting and electrically connecting the first electrical terminal of the substrate to the first electrical terminal of the circuit board, a second connector mounting and electrically connecting the second electrical terminal of the substrate to the second electrical terminal of the circuit board, a heat sink, and a thermal conductor thermally connecting at least one of the first and second electrical terminals of the substrate to the heat sink.Type: GrantFiled: July 1, 2010Date of Patent: June 11, 2013Assignee: Welch Allyn, Inc.Inventors: Raymond A. Lia, Ervin Goldfain, Chris R. Roberts, Steven R. Slawson, Robert J. Wood
-
Publication number: 20130123641Abstract: A system that incorporates teachings of the present disclosure may include, for example, a method for aligning first and second light signals on an optical path directed to a target, where the first light signal provides a visualization of the target, and a portion of the second light signal reflects from at least one subsurface of the target. The method also includes aligning a first focal point of the first light signal and a second focal point of the second light signal, where the first focal point is at least in a first proximate location of the second focal point, and adjusting a first position of the first and second focal points to be in at least a second proximate location of the target without adjusting the at least first proximate location of the first focal point relative to the second focal point. Other embodiments are disclosed.Type: ApplicationFiled: November 10, 2011Publication date: May 16, 2013Applicant: Welch Allyn, Inc.Inventors: ERVIN GOLDFAIN, Raymond A. Lia
-
Publication number: 20130063699Abstract: A system for determining refractive eye aberrations includes an optical arrangement having a first conjugate lens having an effective focal length (EFL) of about 150 millimeters and a second conjugate lens having an EFL of about 88.9 millimeters. The first and second conjugate lens are each positioned in a housing along a return light path and are separated by a distance of about 238.9 millimeters. The arrangement enables a range of measurable diopters of an eye to be between about ?10 diopters to about +10 diopters.Type: ApplicationFiled: June 4, 2012Publication date: March 14, 2013Applicant: WELCH ALLYN, INC.Inventors: Ervin Goldfain, Corinn C. Fahrenkrug, Daniel C. Briggs
-
Patent number: 8337017Abstract: There is described in one embodiment an eye viewing device for viewing a structure of an eye such as a retina. The eye viewing device can include an image sensor. In one embodiment an eye viewing device can be adapted to facilitate both visual viewing of an eye structure and electronic image capture.Type: GrantFiled: March 24, 2010Date of Patent: December 25, 2012Assignee: Welch Allyn, Inc.Inventors: Ervin Goldfain, Chris R. Roberts, Allan I. Krauter, Steven R. Slawson, William H. Lagerway
-
Publication number: 20120120635Abstract: Wearable headlight devices and related methods are provided and can include a luminaire that can include a housing having a luminaire vent therein for receiving cooling air and a light source contained within the housing. An air moving device can be located outside of the luminaire for facilitating cooling air intake through the luminaire vent. An exhaust tube can be connected to the luminaire and the air moving device to facilitate air flow of the cooling air between the luminaire and the air moving device.Type: ApplicationFiled: March 22, 2011Publication date: May 17, 2012Inventors: James Strong, Richard A. Tamburrino, John M. Ryan, Roger W. Leseberg, Ervin Goldfain, David M. Babson, David Stephens, Angelo Martellaro
-
Patent number: 8157728Abstract: A vaginal speculum includes an upper blade member and a lower blade member that is movably connected with respect to the upper blade. The lower blade member includes an integrated handle portion having a receiving cavity configured for interchangeably receiving one of a first illumination assembly and a substantially different second illumination assembly. The first illumination assembly differs from the second illumination assembly by at least one structural and/or functional aspect, such as the form of power supply, the type of light source and physical size of the assembly housing.Type: GrantFiled: April 3, 2006Date of Patent: April 17, 2012Assignee: Welch Allyn, Inc.Inventors: Dominick Danna, Allan I. Krauter, Robert L. Vivenzio, Dale C. Saddlemire, Michael T. McMahon, Ervin Goldfain
-
Publication number: 20120065473Abstract: An otoscope includes an instrument head, a tip element and an optical system. The instrument head has a distal insertion portion for insertion into an ear of a human or veterinary subject. The distal insertion portion has a distal opening. The tip element is releasably attached to the distal insertion portion. The tip element has a distal opening. The optical system is contained within the instrument head. The optical system includes a plurality of optical components. The optical system further comprises a viewing component for viewing of an image of a target of interest aligned along an optical axis disposed within said distal opening.Type: ApplicationFiled: September 20, 2011Publication date: March 15, 2012Applicant: WELCH ALLYN, INC.Inventors: Eric M. Andreassen, David M. Fallat, Ervin Goldfain, John R. Strom, John T. Delaney, Howard Haines, III, Corinn Fahrenkrug, Cynthia A. Kuiper
-
Publication number: 20120002422Abstract: A light assembly for a hand-held medical diagnostic instrument. The light assembly includes a substrate having a top surface and a bottom surface, a light source mounted to the top surface, and the bottom surface having first and second electrical terminals. The light assembly further includes a circuit board disposed inclined to the substrate, the circuit board having first and second electrical terminals, a first connector mounting and electrically connecting the first electrical terminal of the substrate to the first electrical terminal of the circuit board, a second connector mounting and electrically connecting the second electrical terminal of the substrate to the second electrical terminal of the circuit board, a heat sink, and a thermal conductor thermally connecting at least one of the first and second electrical terminals of the substrate to the heat sink.Type: ApplicationFiled: July 1, 2010Publication date: January 5, 2012Inventors: Raymond A. Lia, Ervin Goldfain, Chris R. Roberts, Steven R. Slawson, Robert J. Wood
-
Patent number: 8066634Abstract: A digital otoscope for capturing live and still digital images of body tissue and having associated optical characteristics that improve the quality of visual information gathered for medical inspection of both human and veterinary subjects. The digital otoscope includes a tip element having dimensions that are small enough to fit into a small body cavity, such as an ear canal. The tip element and the otoscope enclose an assembly of optical components yielding optical characteristics that provide a substantially wide field of view and a substantially wide range of optimal focus from which to form visual information within a small and confined body cavity.Type: GrantFiled: August 27, 2007Date of Patent: November 29, 2011Assignee: Welch Allyn, Inc.Inventors: Eric M. Andreassen, David M. Fallat, Ervin Goldfain, John R. Strom, John T. Delaney, Howard Haines, III, Corinn Fahrenkrug, Cynthia A. Kuiper
-
Publication number: 20110175551Abstract: An examination light apparatus including a touch-less control component that enables a user to control the apparatus without requiring physical contact between the user and the apparatus. The apparatus employs an LED control component that is configured to adapt its electrical interface to a variable quantity of light emitting diodes in order to interface with each of a plurality of lamp heads that each can include a unique arrangement and quantity of light emitting diodes. The light emitting diodes (LEDs) provide a high level of light quality, quantity and intensity (luminosity) while requiring low power consumption and low space and weight requirements and are employed without requiring a cooling fan. Uniform mechanical and electrical interfaces between the control component and other portions of the examination lamp provide for efficient and simple manufacturing of various examination light configurations.Type: ApplicationFiled: August 7, 2009Publication date: July 21, 2011Applicant: Welch Allyn, Inc.Inventors: Robert J. Wood, Jon R. Salvati, Michael Curry, Christopher Dickens, Ervin Goldfain
-
Patent number: 7803110Abstract: A veterinary otoscope permitting examination of an ear is defined by an instrument head including a proximal end and a distal insertion portion that is insertable into the ear. The veterinary otoscope includes an imaging lens train disposed within the instrument head, wherein each of the imagine lens train, an eyepiece and a distal opening of said insertion portion are aligned along an optical axis. The veterinary otoscope further includes a focusing mechanism for selectively moving at least one of the imagine lens train and the optics contained within the eyepiece relative to one another along the optical axis. The imagine lens train and the optics in the eyepiece define an optical system such that an entrance pipil is substantially located in the distal insertion portion of the instrument head, thereby enabling the entire tympanic membrane to be viewed at once by the user.Type: GrantFiled: March 28, 2006Date of Patent: September 28, 2010Assignee: Welch Allyn, Inc.Inventors: Ervin Goldfain, Steven R. Slawson, Eric M. Andreassen, Kimberly E. McNeilly, Elizabeth P. Staples
-
Publication number: 20100231856Abstract: There is described in one embodiment an eye viewing device for viewing a structure of an eye such as a retina. The eye viewing device can include an image sensor. In one embodiment an eye viewing device can be adapted to facilitate both visual viewing of an eye structure and electronic image capture.Type: ApplicationFiled: March 24, 2010Publication date: September 16, 2010Applicant: Welch Allyn, Inc.Inventors: Ervin Goldfain, Chris R. Roberts, Allan I. Krauter, Steven R. Slawson, William H. Lagerway