Patents by Inventor Robert Ehrhardt
Robert Ehrhardt 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).
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Patent number: 10114983Abstract: Systems, devices, and related methods for shaping near field interrogation signals are discussed herein. An example spindle supported near field communication (NFC) device includes a spindle configured to mount to a mounting surface, the spindle having an axis of rotation; a beam shaping NFC device including: a ferromagnetic core portion coaxial with the spindle; a coil disposed around the core portion, the coil to generate a near field interrogation signal; a first ferromagnetic flange portion to direct the near field interrogation signal in directions extending radially from the axis and to restrict the near field interrogation signal from extending in a first axial direction associated with the axis; and a second ferromagnetic flange portion to direct the near field interrogation signal in the directions extending radially from the axis and to restrict the near field interrogation signal from extending in a second axial direction associated with the axis.Type: GrantFiled: March 17, 2017Date of Patent: October 30, 2018Assignee: ZIH Corp.Inventors: Robert Ehrhardt, Robert S. Gawelczyk, Derek J. Hampson, Dan Monnier, James M. Rehberger, Mark B. Urban
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Publication number: 20170193252Abstract: Systems, devices, and related methods for shaping near field interrogation signals are discussed herein. An example spindle supported near field communication (NFC) device includes a spindle configured to mount to a mounting surface, the spindle having an axis of rotation; a beam shaping NFC device including: a ferromagnetic core portion coaxial with the spindle; a coil disposed around the core portion, the coil to generate a near field interrogation signal; a first ferromagnetic flange portion to direct the near field interrogation signal in directions extending radially from the axis and to restrict the near field interrogation signal from extending in a first axial direction associated with the axis; and a second ferromagnetic flange portion to direct the near field interrogation signal in the directions extending radially from the axis and to restrict the near field interrogation signal from extending in a second axial direction associated with the axis.Type: ApplicationFiled: March 17, 2017Publication date: July 6, 2017Inventors: Robert Ehrhardt, Robert S. Gawelczyk, Derek J. Hampson, Dan Monnier, James M. Rehberger, Mark B. Urban
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Patent number: 9632734Abstract: Systems, devices, and related methods for shaping near field interrogation signals are discussed herein. Some embodiments may provide for a spindle supported near field communication (NFC) device including a spindle configured to mount to a mounting surface, and a beam shaping NFC device. The beam shaping NFC device may include: a ferromagnetic component including a core portion, wherein the core portion defines a core cavity and the spindle is inserted within the core cavity; and a wire coil disposed around the core portion. The ferromagnetic component may be configured to concentrate near field interrogation signals generated by the wire coil toward a near field interrogation region and away from the mounting surface, or other components capable of causing interference or degradation of the near field interrogation signals.Type: GrantFiled: March 9, 2015Date of Patent: April 25, 2017Assignee: ZIH Corp.Inventors: Robert Ehrhardt, Robert S. Gawelczyk, Derek J. Hampson, Dan Monnier, James M. Rehberger, Mark B. Urban
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Patent number: 9561646Abstract: Systems, methods, and apparatuses are disclosed for providing a high speed adaptive thermal printhead interface. In one embodiment, an apparatus is provided comprising at least one processor; and at least one memory including computer program instructions, the computer program instructions being configured to, when executed by the at least one processor, cause the apparatus at least to determine identifier information for a connected printhead; retrieve printhead interface configuration data for a configurable printhead interface based at least in part on the identifier information; configure printhead interface circuitry in accordance with the printhead interface configuration data; and enable communication with the printhead through the configurable printhead interface.Type: GrantFiled: March 27, 2015Date of Patent: February 7, 2017Assignee: ZIH Corp.Inventors: Dwight D. Dipert, Ashok K. Charles, Daniel Donato, Robert Ehrhardt, David Schmitt
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Publication number: 20160368265Abstract: Systems, methods, and apparatuses are disclosed for providing a high speed adaptive thermal printhead interface. In one embodiment, an apparatus is provided comprising at least one processor; and at least one memory including computer program instructions, the computer program instructions being configured to, when executed by the at least one processor, cause the apparatus at least to determine identifier information for a connected printhead; retrieve printhead interface configuration data for a configurable printhead interface based at least in part on the identifier information; configure printhead interface circuitry in accordance with the printhead interface configuration data; and enable communication with the printhead through the configurable printhead interface.Type: ApplicationFiled: March 27, 2015Publication date: December 22, 2016Inventors: Dwight D. Dipert, Ashok K. Charles, Daniel Donato, Robert Ehrhardt, David Schmitt
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Publication number: 20070081842Abstract: A print head for use with a printer. The print head includes an input that receives data or commands associated with printing from the printer. A memory component of the print head is connected in communication with the input and is configured to bi-directionally communicate information to the printer via the input. For example, the memory component may be soldered to a circuit of a print head and connected to a data line normally used to communicate print data to the print head. In this manner, the print head may hold configuration information in the memory module for easy upgrades without an additional dedicated communication line. Also, printers may be upgraded, and print heads retrofit, with the memory component without installation of a dedicated input or communication line.Type: ApplicationFiled: October 6, 2005Publication date: April 12, 2007Inventor: Robert Ehrhardt
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Publication number: 20060164447Abstract: Ethernet and Universal Serial Bus (USB) powered printing devices are provided. In particular, Ethernet and USB powered printers and methods of Ethernet powering of printers that support high speed printing and/or data intensive printing. Such high-speed and/or data intensive printing operations are able to be Ethernet or USB powered by providing for a power storage unit within the printer device that is able be charged during non-printing periods and provide for necessary energy bursts to support such higher powered processes. In addition, the present invention provides for devices and methods that allow for printers to operate with main power provided by conventional power mains and for back-up or secondary power to be supplied by Ethernet or USB power. Additionally, the invention provides for Ethernet or USB powering, both primary and back-up, of the data and configuration settings in the printer control and image generating electronics.Type: ApplicationFiled: January 20, 2006Publication date: July 27, 2006Inventors: David Poole, Douglas Fox, Robert Ehrhardt, Eugene Brown, Rod DeMay, John Ham, Gary Lynch, Donald Thielen
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Patent number: 7038703Abstract: A label printer with a label edge sensor having a shortened measurement path through the supporting frame of the label printer. Linear and or angular movement of the print head as it encounters label edges is detected by sensors coupled to the printer frame. The sensor may be, for example, an optical, piezoelectric or position detecting transducer. In embodiments where the print head is rigidly coupled to a pivot that extends through the printer frame, the movement of the print head may be detected by a sensor located on the far side of the printer frame.Type: GrantFiled: July 30, 2003Date of Patent: May 2, 2006Assignee: ZIH Corp.Inventor: Robert Ehrhardt
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Publication number: 20050190368Abstract: Various edge detection arrangements are disclosed, including an edge detection method and arrangement that utilizes outputs of commonly illuminated reference and edge sensors as the inputs for a comparator. The reference sensor is configured to have a wide field of view and the edge sensor is configured to have a narrow, high gain, field of view. Therefore, the reference sensor has a broad signal response to an edge passage and the edge sensor a steep and narrow signal response. When the two signals are biased to cross each other, the comparator output changes state, indicating passage of an edge. Because the reference sensor provides a base signal level directly related to the real time illumination level that the edge sensor also receives, the reference sensor provides a switch point along the transition ramp of the edge sensor that integrates a majority of the random error sources.Type: ApplicationFiled: January 28, 2005Publication date: September 1, 2005Inventors: Robert Ehrhardt, Martin Schwan, Lawrence Smolenski, Philip Mastinick, Phil Severance
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Publication number: 20050105950Abstract: An apparatus for driving and tensioning a ribbon includes a supply spindle for supplying a ribbon, a supply dancer assembly for applying tension to the ribbon, a printhead, a take-up dancer assembly for applying tension to the ribbon, and a take-up spindle for collecting spent ribbon. The supply dancer assembly is positioned downstream of the supply spindle. The printhead is positioned downstream of the supply dancer assembly. The take-up dancer assembly is downstream of the printhead. The take-up spindle is downstream of the take-up dancer assembly.Type: ApplicationFiled: December 27, 2004Publication date: May 19, 2005Inventors: Kenneth Ullenius, Robert Ehrhardt, Dale Skamra
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Publication number: 20050024409Abstract: A label printer with a label edge sensor having a shortened measurement path through the supporting frame of the label printer. Linear and or angular movement of the print head as it encounters label edges is detected by sensors coupled to the printer frame. The sensor may be, for example, an optical, piezoelectric or position detecting transducer. In embodiments where the print head is rigidly coupled to a pivot that extends through the printer frame, the movement of the print head may be detected by a sensor located on the far side of the printer frame.Type: ApplicationFiled: July 30, 2003Publication date: February 3, 2005Applicant: ZIH CORP.Inventor: Robert Ehrhardt