Patents by Inventor Hartmut Schroeder
Hartmut Schroeder 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: 10848403Abstract: In one example, a network device external to a services complex injects a plurality of probe packets along service chains provided by the services complex, wherein each of the plurality of probe packets includes a first timestamp indicating a time at which the network device sent the respective probe packet. Each of a plurality of service nodes in the services complex modifies each of the plurality of probe packets by inserting a respective second timestamp indicating a respective time at which the respective service node processed the respective one of the plurality of probe packets. An analytics device aggregates probe report information received from each of the plurality of service nodes to determine one or more path monitoring metrics.Type: GrantFiled: October 4, 2017Date of Patent: November 24, 2020Assignee: Juniper Networks, Inc.Inventor: Hartmut Schroeder
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Patent number: 10021566Abstract: In general, techniques are described for emulating mobile authentication methods to establish authenticated connectivity between a mobile service provider gateway and a wireless device attached to an alternate access network. For example, a system operating according to the described techniques includes a mobile service provider network, an alternate access network having an access gateway, and an authentication server of the mobile service provider network that receives a network access request. A subscriber database responds to the network access request with virtual mobility information, wherein the network access request does not include an International Mobile Subscriber Identity (IMSI), and wherein the virtual mobility information comprises a virtual IMSI.Type: GrantFiled: February 12, 2016Date of Patent: July 10, 2018Assignee: Juniper Networks, Inc.Inventors: Hartmut Schroeder, Nikolas Dawson Kitson, Sreenivasa Tellakula
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Patent number: 9787559Abstract: In one example, a network device external to a services complex injects a plurality of probe packets along service chains provided by the services complex, wherein each of the plurality of probe packets includes a first timestamp indicating a time at which the network device sent the respective probe packet. Each of a plurality of service nodes in the services complex modifies each of the plurality of probe packets by inserting a respective second timestamp indicating a respective time at which the respective service node processed the respective one of the plurality of probe packets. An analytics device aggregates probe report information received from each of the plurality of service nodes to determine one or more path monitoring metrics.Type: GrantFiled: March 28, 2014Date of Patent: October 10, 2017Assignee: Juniper Networks, Inc.Inventor: Hartmut Schroeder
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Patent number: 9491686Abstract: In general, a mobile virtual private network (VPN) is described in which service provider networks cooperate to dynamically extend a virtual routing area of a home service provider network to the edge of a visited service provider network and thereby enable IP address continuity for a roaming wireless device. In one example, a home service provider network allocates an IP address to a wireless device and establishes a mobile VPN. The home service provider network dynamically provisions a visited service provider network with the mobile VPN, when the wireless device attaches to an access network served by the visited service provider network, to enable the wireless device to exchange network traffic with the visited service provider network using the IP address allocated by the home service provider network.Type: GrantFiled: December 20, 2011Date of Patent: November 8, 2016Assignee: Pulse Secure, LLCInventors: Hendrikus G. P. Bosch, Rahul Aggarwal, Bin W. Hong, Srinivasa Chaganti, Apurva Mehta, Prem Ananthakrishnan, Pulikeshi Vitalapura Ramanath, Thomas Wayne Anderson, Hartmut Schroeder, Serpil Bayraktar
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Publication number: 20160165445Abstract: In general, techniques are described for emulating mobile authentication methods to establish authenticated connectivity between a mobile service provider gateway and a wireless device attached to an alternate access network. For example, a system operating according to the described techniques includes a mobile service provider network, an alternate access network having an access gateway, and an authentication server of the mobile service provider network that receives a network access request. A subscriber database responds to the network access request with virtual mobility information, wherein the network access request does not include an International Mobile Subscriber Identity (IMSI), and wherein the virtual mobility information comprises a virtual IMSI.Type: ApplicationFiled: February 12, 2016Publication date: June 9, 2016Inventors: Hartmut Schroeder, Nikolas Dawson Kitson, Sreenivasa Tellakula
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Patent number: 9264898Abstract: In general, techniques are described for emulating mobile authentication methods to establish authenticated connectivity between a mobile service provider gateway and a wireless device attached to an alternate access network. For example, a system operating according to the described techniques includes a mobile service provider network, an alternate access network having an access gateway, and an authentication server of the mobile service provider network that receives a network access request. A subscriber database responds to the network access request with virtual mobility information, wherein the network access request does not include an International Mobile Subscriber Identity (IMSI), and wherein the virtual mobility information comprises a virtual IMSI.Type: GrantFiled: July 19, 2012Date of Patent: February 16, 2016Assignee: Juniper Networks, Inc.Inventors: Hartmut Schroeder, Nikolas Dawson Kitson, Sreenivasa Tellakula
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Patent number: 9148776Abstract: A cellular service provider network includes a subscriber database that associate identifiers from the cellular mobile devices (e.g., IMSIs stored within SIM cards of the devices) with layer three (L3) network addresses currently assigned to the cellular mobile device by the cellular network for providing data service to the cellular mobile devices. The subscriber database further stores identifiers for wireless local area network (WLAN) interfaces of the cellular mobile devices. The cellular service provider network includes a server coupled to a layer two (L2) network having a plurality of wireless access points. In response to access requests from the cellular mobile devices over the L2 network, the server queries the subscriber database of the cellular service provider network and assigns the network addresses to the cellular mobile devices by matching L2 network addresses specified within the access requests with the identifiers of WLAN interfaces stored in the subscriber database.Type: GrantFiled: September 28, 2011Date of Patent: September 29, 2015Assignee: Pulse Secure, LLCInventor: Hartmut Schroeder
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Patent number: 8594628Abstract: Network devices provide seamless offloading of data communications from a service provider's cellular network to an alternate access network outside of the service provider's cellular network. After a cellular mobile device has initially been authenticated by devices in the cellular network to communicate with a packet data network via the cellular network, the cellular mobile device is configured to leverage its prior authentication on the cellular network and automatically obtain credentials for use in logging onto the alternate access network, without requiring any action by a user of the cellular mobile device. After the cellular mobile device is logged on to the alternate access network, the cellular mobile device sends wireless data communications to the packet data network via the alternate access network instead of the cellular network.Type: GrantFiled: September 28, 2011Date of Patent: November 26, 2013Assignee: Juniper Networks, Inc.Inventors: Hartmut Schroeder, Hendrikus G. P. Bosch, Prem Ananthakrishnan
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Publication number: 20130288644Abstract: In general, techniques are described for emulating mobile authentication methods to establish authenticated connectivity between a mobile service provider gateway and a wireless device attached to an alternate access network. For example, a system operating according to the described techniques includes a mobile service provider network, an alternate access network having an access gateway, and an authentication server of the mobile service provider network that receives a network access request. A subscriber database responds to the network access request with virtual mobility information, wherein the network access request does not include an International Mobile Subscriber Identity (IMSI), and wherein the virtual mobility information comprises a virtual IMSI.Type: ApplicationFiled: July 19, 2012Publication date: October 31, 2013Applicant: JUNIPER NETWORKS, INC.Inventors: Hartmut Schroeder, Nikolas Dawson Kitson, Sreenivasa Tellakula
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Patent number: 8443435Abstract: A VPN handler of a client device is described that provides VPN connectivity by automatically creating multiple split VPN tunnels that provide direct access to different VPN concentrators of an enterprise based on specific resources requested by the client device. A local VPN concentrator normally used by the client device may provide the VPN handler with a resource list that provides a mapping of the resources of the enterprise network to the multiple VPN concentrators that have been deployed to provide secure access to those resources. The local VPN concentrator may dynamically update the resource list on the client device so as to control the construction and use of the split VPN tunnels by the VPN handler based on changes to the enterprise network. The split tunnel approach may be transparent to applications executing on the client device and may be easily deployed to the client devices of the enterprise.Type: GrantFiled: December 2, 2010Date of Patent: May 14, 2013Assignee: Juniper Networks, Inc.Inventor: Hartmut Schroeder
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Publication number: 20130031271Abstract: In general, a mobile virtual private network (VPN) is described in which service provider networks cooperate to dynamically extend a virtual routing area of a home service provider network to the edge of a visited service provider network and thereby enable IP address continuity for a roaming wireless device. In one example, a home service provider network allocates an IP address to a wireless device and establishes a mobile VPN. The home service provider network dynamically provisions a visited service provider network with the mobile VPN, when the wireless device attaches to an access network served by the visited service provider network, to enable the wireless device to exchange network traffic with the visited service provider network using the IP address allocated by the home service provider network.Type: ApplicationFiled: December 20, 2011Publication date: January 31, 2013Applicant: JUNIPER NETWORKS, INC.Inventors: Hendrikus G.P. Bosch, Rahul Aggarwal, Bin W. Hong, Srinivasa Chaganti, Apurva Mehta, Prem Ananthakrishnan, Pulikeshi Vitalapura Ramanath, Thomas Wayne Anderson, Hartmut Schroeder, Serpil Bayraktar
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Patent number: 7875467Abstract: Chemiluminescent acridinium compounds are used in homogeneous assays to determine the concentration of an analyte in a sample without strong acid or strong base treatment. The chemiluminescent acridinium compounds include acridinium esters with electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus to inhibit pseudo-base formation, or acridinium sulfonamides with or without electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus.Type: GrantFiled: November 21, 2007Date of Patent: January 25, 2011Assignee: Siemens Healthcare Diagnostics Inc.Inventors: Anand A. Natrajan, Todd Sells, Hartmut Schroeder, Guohan Yang, David Sharpe, Qingping Jiang, Hana Lukinsky, Say-Jong Law
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Publication number: 20090029349Abstract: Chemiluminescent acridinium compounds are used in homogeneous assays to determine the concentration of an analyte in a sample without strong acid or strong base treatment. The chemiluminescent acridinium compounds include acridinium esters with electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus to inhibit pseudo-base formation, or acridinium sulfonamides with or without electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus.Type: ApplicationFiled: November 21, 2007Publication date: January 29, 2009Applicant: Siemens Medical Solutions DiagnosticsInventors: Anand A. Natrajan, Todd Sells, Hartmut Schroeder, Guohan Yang, David Sharpe, Qingping Jiang, Hana Lukinsky, Say-Jong Law
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Publication number: 20080305557Abstract: Chemiluminescent acridinium compounds are used in homogeneous assays to determine the concentration of an analyte in a sample without strong acid or strong base treatment. The chemiluminescent acridinium compounds include acridinium esters with electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus to inhibit pseudo-base formation, or acridinium sulfonamides with or without electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus.Type: ApplicationFiled: November 21, 2007Publication date: December 11, 2008Applicant: Siemens Medical Solutions DiagnosticsInventors: Anand Natrajan, Todd Sells, Hartmut Schroeder, Guohan Yang, David Sharpe, Qingping Jiang, Hana Lukinsky, Say-Jong Law
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Patent number: 7319041Abstract: Chemiluminescent acridinium compounds are used in homogeneous assays to determine the concentration of an analyte in a sample without strong acid or strong base treatment. The chemiluminescent acridinium compounds include acridinium esters with electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus to inhibit pseudo-base formation, or acridinium sulfonamides with or without electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus.Type: GrantFiled: September 27, 2002Date of Patent: January 15, 2008Assignee: Siemens Medical Solutions DiagnosticInventors: Anand Natrajan, Todd Sells, Hartmut Schroeder, Guohan Yang, David Sharpe, Qingping Jiang, Hana Lukinsky, Say-Jong Law
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Publication number: 20060133954Abstract: A kit for clinical analysis, including a vessel containing magnetizable particles and a magnetic stirring element. A device for distributing magnetizable particles in a fluid including a platform for supporting a vessel containing a fluid, magnetizable particles, and a magnetic stirring element, where the magnetic stirring element moves in a horizontal plane within the vessel. A method for distributing magnetizable particles in a fluid including the steps of providing a vessel containing a magnetic stirring element and a fluid containing magnetizable particles, moving the magnetic stirring element in the vessel, and distributing the magnetizable particles in the fluid.Type: ApplicationFiled: December 15, 2005Publication date: June 22, 2006Applicant: Instrumentation Laboratory CompanyInventors: Hartmut Schroeder, Eugene Achter
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Publication number: 20050188442Abstract: The present invention provides a method for altering or modifying the content and/or composition of one or more metabolites in the storage organs of a plant, at least comprising the expression of a sulfur-rich protein therein. In particular, the invention provides a method of modifying the fibre content and/or fibre composition and/or starch content and/or nitrogen content and/or non-sulfur-containing amino acid composition and/or anti-nutritional protein content and/or fatty acid content and/or fatty acid composition of the storage organs of a plant. The invention clearly extends to the plants produced by the performance of the inventive method and to genetic constructs which in use produce such plant material.Type: ApplicationFiled: April 20, 2005Publication date: August 25, 2005Inventors: Thomas Higgins, Linda Tabe, Hartmut Schroeder
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Publication number: 20040063147Abstract: Chemiluminescent acridinium compounds are used in homogeneous assays to determine the concentration of an analyte in a sample without strong acid or strong base treatment. The chemiluminescent acridinium compounds include acridinium esters with electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus to inhibit pseudo-base formation, or acridinium sulfonamides with or without electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus.Type: ApplicationFiled: September 27, 2002Publication date: April 1, 2004Applicant: BAYER CORPORATIONInventors: Anand Natrajan, Todd Sells, Hartmut Schroeder, Guohan Yang, David Sharpe, Qingping Jiang, Hana Lukinsky, Say-Jong Law
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Patent number: 4635114Abstract: A high quality TV transmission system is devised including a preprocessing circuit controlled by motion present in the scene to be transmitted. In the absence of motion, processing circuit derives output picture field signals of a standard frequency from a single input picture field scanned at a higher frequency. In the presence of motion, all input picture fields scanned with high number of lines are stored in storing devices and processed by interpolating low pass filters and a multiplexer into output picture fields having the standard frequency but being free of aliansing interference.Type: GrantFiled: November 9, 1984Date of Patent: January 6, 1987Assignee: Robert Bosch GmbHInventors: Broder Wendland, Hartmut Schroeder