Patents by Inventor Rama Chandran
Rama Chandran 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: 11729773Abstract: An O-RAN packet to be transmitted includes a header having a packet sequence number that is independent of an uplink/downlink direction in which the packet is to be transmitted. The header, which may be an eCPRI or RoE header, is generated without regard for a data direction bit. The packet sequence number is generated within a sequence count generator of the controller that operates separately from generation of a remainder of the packet and that ignores the data direction bit.Type: GrantFiled: January 28, 2021Date of Patent: August 15, 2023Assignee: Samsung Electronics Co., Ltd.Inventor: Sanil Rama Chandran
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Publication number: 20230208559Abstract: Methods and apparatuses for handling an acknowledgement of C-plane message in a wireless communication system. A method of a transmitter device comprises: generating a section extension for an ACK/NACK request including an ackNackReqId field and an extLen field, wherein the ackNackReqId field indicates the ACK/NACK request ID of a section description and the extLen field indicates a size of the section extension; transmitting, to a receiver device, the C-plane message including the section extension for the ACK/NACK request; and receiving, from the receiver device, an ACK message corresponding to the C-plane message.Type: ApplicationFiled: November 14, 2022Publication date: June 29, 2023Inventor: Sanil Rama Chandran
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Publication number: 20220210808Abstract: An O-RAN packet to be transmitted includes a header having a packet sequence number that is independent of an uplink/downlink direction in which the packet is to be transmitted. The header, which may be an eCPRI or RoE header, is generated without regard for a data direction bit. The packet sequence number is generated within a sequence count generator of the controller that operates separately from generation of a remainder of the packet and that ignores the data direction bit.Type: ApplicationFiled: January 28, 2021Publication date: June 30, 2022Inventor: Sanil Rama Chandran
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Patent number: 11316720Abstract: A control plane section type message indicates a section extension message that includes a field numZeroPadBin indicating a number of zero padded bins to be added after a symbol indicated by a section header of the control plane section type message for FFT/iFFT. The control plane section type message may be one of a Section Type 1 message, a Section Type 3 message, or a Section Type 5 message, and may be associated with a MBSFN subframe. The value of the numZeroPadBin field is determined based on SCS, FFT size and CP combination of NCP/ECP in a subframe or and a slot.Type: GrantFiled: January 7, 2021Date of Patent: April 26, 2022Assignee: Samsung Electronics Co., Ltd.Inventor: Sanil Rama Chandran
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Publication number: 20210218608Abstract: A control plane section type message indicates a section extension message that includes a field numZeroPadBin indicating a number of zero padded bins to be added after a symbol indicated by a section header of the control plane section type message for FFT/iFFT. The control plane section type message may be one of a Section Type 1 message, a Section Type 3 message, or a Section Type 5 message, and may be associated with a MBSFN subframe. The value of the numZeroPadBin field is determined based on SCS, FFT size and CP combination of NCP/ECP in a subframe or and a slot.Type: ApplicationFiled: January 7, 2021Publication date: July 15, 2021Inventor: Sanil Rama Chandran
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Patent number: 10791527Abstract: A transmitter device in a wireless communication system is provided. The transmitter device comprises a processor configured to: generate an extType field indicating a section extension; generate a mcScaleReMask field indicating a set of resource elements; generate a mcScaleOffset field indicating a power offset value; generate an extLen field indicating a number of a pair of the mcScaleReMask and the mcScaleOffset fields included in the section extension; and generate a downlink and uplink (DL/UL) control message including the extType field, the mcScaleReMask field, and the mcScaleOffset field, and the extLen field. The transmitter device further comprises a transceiver operably connected to the processor, the transceiver configured to transmit, to a receiver, the DL/UL control message.Type: GrantFiled: October 11, 2019Date of Patent: September 29, 2020Assignee: Samsung Electronics Co., Ltd.Inventor: Sanil Rama Chandran
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Publication number: 20200128496Abstract: A transmitter device in a wireless communication system is provided. The transmitter device comprises a processor configured to: generate an extType field indicating a section extension; generate a mcScaleReMask field indicating a set of resource elements; generate a mcScaleOffset field indicating a power offset value; generate an extLen field indicating a number of a pair of the mcScaleReMask and the mcScaleOffset fields included in the section extension; and generate a downlink and uplink (DL/UL) control message including the extType field, the mcScaleReMask field, and the mcScaleOffset field, and the extLen field. The transmitter device further comprises a transceiver operably connected to the processor, the transceiver configured to transmit, to a receiver, the DL/UL control message.Type: ApplicationFiled: October 11, 2019Publication date: April 23, 2020Inventor: Sanil Rama Chandran
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Patent number: 9056060Abstract: An adhesive composition which lacks functional groups containing reactive hydrogen moieties and contains no post-polymerization chemical crosslinker finds use in transdermal drug delivery systems. The invention enables the administration of drugs containing a reactive functional group, which drugs have heretofore not been able to be administered by the transdermal route using conventional acrylic adhesives.Type: GrantFiled: September 18, 2001Date of Patent: June 16, 2015Assignee: Henkel AG & Co. KGaAInventors: Eric Silverberg, Rama Chandran, Paul Foreman, Michael Philbin, Smita Shah
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Patent number: 8331561Abstract: A sink may be to used to process multimedia digital data. The sink may include a plurality of input ports, an output port, a switchably-enabled selector to select an input port from a plurality of HDMI input ports to couple to an output port, a control circuit to detect encrypted data in a channel of the input ports; and a plurality of decryption engines. Each of the decryption engines may be coupled to respective input ports to synchronize with a corresponding encryption engine of a data source after the control circuit detects encrypted data in the channel of the respective input port. Additional circuitry may be included to operate the sink in a power saving mode. Also, methods for processing the data in both power saving and non-power saving modes.Type: GrantFiled: December 13, 2010Date of Patent: December 11, 2012Assignee: Analog Devices, Inc.Inventors: Pablo Ventura Domingo, Lucas Valentin Garcia, Michael Joseph Fernald, Rajesh Rama Chandran, Joseph Michael Barry
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Patent number: 8242940Abstract: A sink may be to used to process multimedia digital data. The sink may include a plurality of input ports, an output port, a switchably-enabled selector to select an input port from a plurality of HDMI input ports to couple to an output port, a control circuit to detect encrypted data in a channel of the input ports; and a plurality of decryption engines. Each of the decryption engines may be coupled to respective input ports to synchronize with a corresponding encryption engine of a data source after the control circuit detects encrypted data in the channel of the respective input port. Additional circuitry may be included to operate the sink in a power saving mode. Also, methods for processing the data in both power saving and non-power saving modes.Type: GrantFiled: December 13, 2010Date of Patent: August 14, 2012Assignee: Analog Devices, Inc.Inventors: Pablo Ventura Domingo, Lucas Valentin Garcia, Michael Joseph Fernald, Rajesh Rama Chandran, Joseph Michael Barry
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Publication number: 20110150215Abstract: A sink may be to used to process multimedia digital data. The sink may include a plurality of input ports, an output port, a switchably-enabled selector to select an input port from a plurality of HDMI input ports to couple to an output port, a control circuit to detect encrypted data in a channel of the input ports; and a plurality of decryption engines. Each of the decryption engines may be coupled to respective input ports to synchronize with a corresponding encryption engine of a data source after the control circuit detects encrypted data in the channel of the respective input port. Additional circuitry may be included to operate the sink in a power saving mode. Also, methods for processing the data in both power saving and non-power saving modes.Type: ApplicationFiled: December 13, 2010Publication date: June 23, 2011Applicant: ANALOG DEVICES, INC.Inventors: Pablo Ventura DOMINGO, Lucas Valentin GARCIA, Michael Joseph FERNALD, Rajesh Rama CHANDRAN, Joseph Michael BARRY
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Publication number: 20110148672Abstract: A sink may be to used to process multimedia digital data. The sink may include a plurality of input ports, an output port, a switchably-enabled selector to select an input port from a plurality of HDMI input ports to couple to an output port, a control circuit to detect encrypted data in a channel of the input ports; and a plurality of decryption engines. Each of the decryption engines may be coupled to respective input ports to synchronize with a corresponding encryption engine of a data source after the control circuit detects encrypted data in the channel of the respective input port. Additional circuitry may be included to operate the sink in a power saving mode. Also, methods for processing the data in both power saving and non-power saving modes.Type: ApplicationFiled: December 13, 2010Publication date: June 23, 2011Applicant: Analog Devices, Inc.Inventors: Pablo Ventura DOMINGO, Lucas Valentin GARCIA, Michael Joseph FERNALD, Rajesh Rama CHANDRAN, Joseph Michael BARRY
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Patent number: 6670417Abstract: Pressure sensitive adhesive formulations of an acrylic polymer grafted with a hydrogenated rubber. In one embodiment, the polymer contains a hydroxyalkyl (meth)acrylate ester which is crosslinked with a titanium-containing chelated metal alkoxide. The adhesive formulations provide an exceptional combination of adhesion to low energy surfaces and high temperature cohesive strength.Type: GrantFiled: February 13, 2003Date of Patent: December 30, 2003Assignee: National Starch and Chemical Investment Holding CorporationInventors: Paul B. Foreman, Smita M. Shah, Rama Chandran, Patrick S. Eaton
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Patent number: 6642298Abstract: Pressure sensitive adhesive formulations of an acrylic polymer grafted with a hydrogenated rubber. In one embodiment, the polymer contains a hydroxyalkyl (meth)acrylate ester which is crosslinked with a titanium-containing chelated metal alkoxide. The adhesive formulations provide an exceptional combination of adhesion to low energy surfaces and high temperature cohesive strength.Type: GrantFiled: March 16, 2001Date of Patent: November 4, 2003Assignee: National Starch and Chemical Investment Holding CorporationInventors: Paul B. Foreman, Smita M. Shah, Rama Chandran, Patrick S. Eaton
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Publication number: 20030166767Abstract: Pressure sensitive adhesive formulations of an acrylic polymer grafted with a hydrogenated rubber. In one embodiment, the polymer contains a hydroxyalkyl (meth)acrylate ester which is crosslinked with a titanium-containing chelated metal alkoxide. The adhesive formulations provide an exceptional combination of adhesion to low energy surfaces and high temperature cohesive strength.Type: ApplicationFiled: February 13, 2003Publication date: September 4, 2003Inventors: Paul B. Foreman, Smita M. Shah, Rama Chandran, Patrick S. Eaton
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Publication number: 20030022980Abstract: Pressure sensitive adhesive formulations of an acrylic polymer grafted with a hydrogenated rubber. In one embodiment, the polymer contains a hydroxyalkyl (meth)acrylate ester which is crosslinked with a titanium-containing chelated metal alkoxide. The adhesive formulations provide an exceptional combination of adhesion to low energy surfaces and high temperature cohesive strength.Type: ApplicationFiled: March 16, 2001Publication date: January 30, 2003Inventors: Paul B. Foreman, Smita M. Shah, Rama Chandran, Patrick S. Eaton
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Publication number: 20020077437Abstract: An adhesive composition which lacks functional groups containing reactive hydrogen moieties and contains no post-polymerization chemical crosslinker finds use in transdermal drug delivery systems. The invention enables the administration of drugs containing a reactive functional group, which drugs have heretofore not been able to be administered by the transdermal route using conventional acrylic adhesives.Type: ApplicationFiled: September 18, 2001Publication date: June 20, 2002Inventors: Eric Silverberg, Rama Chandran, Paul Foreman, Michael Philbin, Smita Shah
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Patent number: 5916968Abstract: A graft copolymer for use as an adhesive for drug delivery patches or dressings that is resistant to dissolution in the presence of skin penetration enhancers comprises copolymerized acrylic and, optionally, vinyl monomers, to form a backbone polymer, to which are grafted polymeric moieties that do not absorb greater than 3% by weight of a skin-penetration enhancer under thermodynamic equilibrium at 25.degree. C. if independently introduced into an excess of the enhancer. Preferably, the grafted polymers are selected from the classes of polybutylene, polysaccharide, poly(ethyleneoxide/propyleneoxide), and polyamide polymers, and specific grafted polymers will depend on the specific enhancers used in a particular drug delivery system.Type: GrantFiled: August 25, 1997Date of Patent: June 29, 1999Assignee: National Starch and Chemical Investment Holding CorporationInventors: Deepak Hariharan, Roman Bradel, Rama Chandran, Pravin Kukkala
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Patent number: 5536759Abstract: This invention is a hot melt pressure sensitive adhesive formed by copolymerizing acrylic, or a combination of acrylic and vinyl, monomers, at least one of which is a photoinitiator, with the functional monomer, 1-(1-isocyanato-1-methyl ethyl)-3-(1-methyl ethenyl)benzene (m-TMI), to give a saturated polymer with pendant vinyl groups that are crosslinked by UV radiation.Type: GrantFiled: October 13, 1994Date of Patent: July 16, 1996Assignee: National Starch and Chemical Investment Holding CorporationInventors: Roopram Ramharack, Rama Chandran
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Patent number: 5416127Abstract: This invention is a hot melt pressure sensitive adhesive formed by copolymerizing acrylic, or a combination of acrylic and vinyl, monomers with the functional monomer, 1-(1-isocyanato-1-methyl ethyl)-3-(1-methyl ethenyl)benzene m-TMI, to give a saturated polymer with pendant vinyl groups that are crosslinked by UV or EB radiation.Type: GrantFiled: January 26, 1994Date of Patent: May 16, 1995Assignee: National Starch and Chemical Investment Holding CorporationInventors: Rama Chandran, Roopram Ramharack, Irwin J. Davis, John C. Leighton