Patents by Inventor Balaji Kannan
Balaji Kannan 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: 11955896Abstract: A system includes an isolated converter having a power transformer with a primary winding, a secondary winding, and an auxiliary winding. The system also includes: 1) a first switch coupled to the primary winding; 2) a switch controller coupled to the first switch; and 3) a bias power regulator circuit coupled to the auxiliary winding and the switch controller. The bias power regulator circuit includes a second switch. The bias power regulator circuit is configured to provide a bias supply output voltage to the switch controller based on a first set of modes that modulate a switching frequency of the second switch and based on a second mode in which the second switch stays off.Type: GrantFiled: March 3, 2022Date of Patent: April 9, 2024Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Pei-Hsin Liu, Richard Lee Valley, Bharath Balaji Kannan
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Patent number: 11910363Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may establish multiple wireless connections, such as a wireless connection for a first subscriber identity module (SIM) and a wireless connection for a second SIM, that share time-frequency resources. The UE may communicate data packets with another device during a communication session on the wireless connection for the first SIM. The UE may determine to pause the communication session for a duration based on receiving an indication from the other UE or based on a user input to pause communication. The UE may communicate data packets on the wireless connection for the second SIM for at least a portion of the duration using the shared time-frequency resources based on pausing the communication session.Type: GrantFiled: June 30, 2021Date of Patent: February 20, 2024Assignee: QUALCOMM IncorporatedInventors: Sanjay Kumar, Bapineedu Chowdary Gummadi, Balaji Kannan, Vivek Padi, Arun Ashok Tagare
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Publication number: 20230390532Abstract: A catheter system may include a catheter hub, a catheter tube, a needle carrier, a needle extending distally from the needle carrier and through the catheter tube, a guidewire slider, and a guidewire extending distally from the guidewire slider. The guidewire slider may be configured to couple to the needle carrier in response to sliding of the guidewire slider. The catheter system may include a safety slider configured to slide with the guidewire slider from a proximal position to a distal position. In response to the guidewire slider and the safety slider sliding together from the proximal position to the distal position, the safety slider may be configured to couple to a proximal end of the needle carrier. In response to rotation of an additional slider into a cutout tab of a housing, the guidewire slider may be configured to uncouple from the additional slider.Type: ApplicationFiled: June 7, 2022Publication date: December 7, 2023Inventors: Karthik MR, Balaji Kannan, Sakthivel Karthikeyan, Jeevan Deshpande
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Patent number: 11832336Abstract: Methods, apparatuses, and computer-readable storage medium for resolving state mismatch between a dual subscriber identity module (SIM) dual standby (DSDS)UE and a network are provided. An example method may include receiving, from at least one base station, a connected mode discontinuous reception (DRX) (CDRX) configuration and an idle DRX (IDRX) configuration, the CDRX configuration being associated with a first subscriber and the IDRX configuration being associated with a second subscriber. The example method may further include transmitting, to an upper layer, a radio resource control (RRC) release request based on the CDRX configuration and the IDRX configuration. The example method may further include transmitting, to an associated base station of the at least one base station, a synchronization message to get in synchronization with the associated base station.Type: GrantFiled: October 14, 2021Date of Patent: November 28, 2023Assignee: QUALCOMM INCORPORATEDInventors: Surbhi Agarwal, Avinash Kumar Dubey, Balaji Kannan
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Publication number: 20230293750Abstract: A disinfection cap for a male medical connector comprising a housing, a scrubbing foam having a plurality of slits disposed within a first cavity of the housing, a central post extending from the closed bottom of the housing and positioned within the first cavity of the housing, a foam jacket disposed on the central post and having a plurality of slits; and a central plug disposed in the center of the central post extending from the top wall of the central post and extending into the second cavity of the foam jacket. The inner surface of the foam jacket defines a second cavity.Type: ApplicationFiled: March 17, 2022Publication date: September 21, 2023Applicant: Becton, Dickinson and CompanyInventors: Balaji Kannan, Karthik MR, Prasad Govindaraj, Manish Kumar
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Publication number: 20230293749Abstract: Fluid applicators with precise volume dispensing control for dispensing fluids such as a disinfectant in a controlled manner are described herein. Such fluid applicators may include a barrel including a sidewall having an inside surface defining a chamber for retaining a fluid, an end press, a push rod disposed within the chamber, the push rod having a push button and a piercing tip, a cap attached to a port via a hinge to cover a hydrophobic filter disposed on the sidewall of the chamber, a one-way valve disposed on the outlet on a distal end of the barrel, a disinfectant disposed within the chamber; a housing having a base and an open proximal end; and a fluid applicator sponge disposed in the base of the housing. An alternate fluid may include a deformable end press, a plurality of volume scale markings on an outer surface of the barrel, a push rod, a one-way valve and applicator sponge.Type: ApplicationFiled: March 17, 2022Publication date: September 21, 2023Applicant: Becton, Dickinson and CompanyInventors: Manish Kumar, Karthik MR, Balaji Kannan, Prasad Govindaraj, Shishir Prasad, Kevin M. Ryan
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Publication number: 20230241369Abstract: A cap configured to engage different types of connectors includes a housing, an absorbent support, and a seal. The housing includes a sidewall extending between a first end and a second end of the housing. The absorbent support is positioned in the housing. The seal is mounted to a portion of the absorbent support and is configured to cover an opening of a first connector or a second connector when one of the first connector or the second connector is inserted into the housing. The cap is configured to be secured to the first connector by an engagement between a portion of an inner surface of the sidewall of the housing and the first connector and to the second connector by an interference engagement between another portion of the inner surface of the sidewall of the housing and an outer surface of the second connector.Type: ApplicationFiled: January 30, 2023Publication date: August 3, 2023Inventors: Shishir Prasad, Prasad Govindaraj, Sridhaar Nandakumar, Balaji Kannan, Mohamed Shafiq
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Publication number: 20230233811Abstract: A catheter system may include a blood shield secured within a catheter hub. The blood shield may include a distal end, a proximal end, a blood shield lumen extending through the distal end and the proximal end, and an inner wall forming the blood shield lumen. The inner wall may include a narrowed inner diameter portion or a shield bump. The catheter system may include an introducer needle having a sharp distal tip and a needle bump. The introducer needle may extend through the catheter and the blood shield. In response to proximal retraction of the introducer needle, the needle bump may be configured to contact the narrowed inner diameter portion or the shield bump to pull the blood shield proximally out of the catheter hub. The sharp distal tip may be disposed within the blood shield when the needle bump contacts the narrowed inner diameter portion or the shield bump.Type: ApplicationFiled: January 9, 2023Publication date: July 27, 2023Inventors: Balaji Kannan, Sakthivel Karthikeyan, Deepan Vikash
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Publication number: 20230233830Abstract: A catheter system may include a cap, which may include a top. The cap may include a male luer extending distally from the top and inserted into a proximal end of a female luer adapter of the catheter system. The cap may include a first arm and a second arm extending distally from the top. The first arm may include a first slot, and the second arm may include a second slot. The first protrusion may be disposed within the first slot and the second protrusion may be disposed within the second slot. The cap may include a collar extending distally from the top. An inner surface of the collar may include a first undercut and a second undercut. The first protrusion may be disposed within the first undercut and the second protrusion may be disposed within the second undercut.Type: ApplicationFiled: December 6, 2022Publication date: July 27, 2023Inventors: Karthik MR, Jeevan Deshpande, Balaji Kannan, Sakthivel Karthikeyan
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Publication number: 20230232265Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a measurement gap configuration from a base station, wherein the measurement gap configuration includes a tune away period. The UE may determine whether one or more data traffic criteria are satisfied for the tune away period. The UE may disregard the measurement gap configuration based at least in part on the determination of whether the one or more data traffic criteria are satisfied. The UE may remain tuned to the base station during the tune away period based at least in part on the determination of whether the one or more data traffic criteria are satisfied. Numerous other aspects are provided.Type: ApplicationFiled: September 2, 2021Publication date: July 20, 2023Inventors: Sitaramanjaneyulu KANAMARLAPUDI, Deepak WADHWA, Shailesh MAHESHWARI, Seshagiri Rao GORANTLA, Soo-Ki CHOI, Balaji KANNAN, Sharda RANJAN, Gautham JAYARAM, Vishu KUMAR, Vijay MARWAH
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Publication number: 20230224789Abstract: Methods, systems, and devices for are described. A user equipment (UE) may be configured to initiate a first setup procedure with a first cell supported by a base station. The UE may determine a system information block (SIB) read failure, a radio link failure, or both, based on initiating the first setup procedure. The UE may determine whether a link quality metric associated with communications between the UE and the first cell satisfies a link quality threshold. The UE may select a cell bar time based on a type of a communications service established via the base station, whether the link quality metric satisfies the link quality threshold, or both. The UE may then initiate a cell reselection procedure based on the cell bar time.Type: ApplicationFiled: April 27, 2021Publication date: July 13, 2023Inventors: Uttam Vyas, Balaji Kannan, Muralidharan Murugan, Nitin Pant
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Patent number: 11646669Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for adaptive synchronous rectifier control. An example apparatus includes an adaptive off-time control circuit to determine a first voltage and a second voltage when a drain voltage of a switch satisfies a voltage threshold, the first voltage based on a first off-time of the switch, the second voltage based on the first off-time and a first scaling factor, determine a third voltage based on a second scaling factor and a second off-time of the switch, the second off-time after the first off-time, and determine a third off-time of the switch based on at least one of the second voltage or the third voltage. The example apparatus further includes a driver to turn off the switch for at least the third off-time after the second off-time.Type: GrantFiled: August 10, 2021Date of Patent: May 9, 2023Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Bharath Balaji Kannan, Bing Lu
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Publication number: 20230119395Abstract: Methods, apparatuses, and computer-readable storage medium for resolving state mismatch between a dual subscriber identity module (SIM) dual standby (DSDS)UE and a network are provided. An example method may include receiving, from at least one base station, a connected mode discontinuous reception (DRX) (CDRX) configuration and an idle DRX (IDRX) configuration, the CDRX configuration being associated with a first subscriber and the IDRX configuration being associated with a second subscriber. The example method may further include transmitting, to an upper layer, a radio resource control (RRC) release request based on the CDRX configuration and the IDRX configuration. The example method may further include transmitting, to an associated base station of the at least one base station, a synchronization message to get in synchronization with the associated base station.Type: ApplicationFiled: October 14, 2021Publication date: April 20, 2023Inventors: Surbhi Agarwal, Avinash Kumar Dubey, Balaji Kannan
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Publication number: 20230007640Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may establish multiple wireless connections, such as a wireless connection for a first subscriber identity module (SIM) and a wireless connection for a second SIM, that share time-frequency resources. The UE may communicate data packets with another device during a communication session on the wireless connection for the first SIM. The UE may determine to pause the communication session for a duration based on receiving an indication from the other UE or based on a user input to pause communication. The UE may communicate data packets on the wireless connection for the second SIM for at least a portion of the duration using the shared time-frequency resources based on pausing the communication session.Type: ApplicationFiled: June 30, 2021Publication date: January 5, 2023Inventors: Sanjay Kumar, Bapineedu Chowdary Gumrnadi, Balaji Kannan, Vivek Padi, Arun Ashok Tagare
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Patent number: 11546396Abstract: Disclosed are techniques for communication. In an aspect, a communications devices communicates, from an upper communication layer (e.g., application layer) to a lower communication layer (e.g., transport layer), indication(s) to prioritize certain frames (e.g., recovery frames and/or feedback frames) over other frames (e.g., Inter frames) associated with the same QCI bearer for a video streaming session. The lower communication layer may place the prioritized frames ahead of the non-prioritized frames in a lower layer transmission buffer based on the indication. The communications device may transmit one or more packets carrying the first set of frames before one or more packets carrying the second set of frames based on the first set of frames being placed ahead of the second set of frames in the lower layer transmission buffer.Type: GrantFiled: October 22, 2021Date of Patent: January 3, 2023Assignee: QUALCOMM IncorporatedInventors: Naresh Gundu, Shankar Ganesh Lakshmanaswamy, Avinash Kumar Dubey, Balaji Kannan
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Publication number: 20220190730Abstract: A system includes an isolated converter having a power transformer with a primary winding, a secondary winding, and an auxiliary winding. The system also includes: 1) a first switch coupled to the primary winding; 2) a switch controller coupled to the first switch; and 3) a bias power regulator circuit coupled to the auxiliary winding and the switch controller. The bias power regulator circuit includes a second switch. The bias power regulator circuit is configured to provide a bias supply output voltage to the switch controller based on a first set of modes that modulate a switching frequency of the second switch and based on a second mode in which the second switch stays off.Type: ApplicationFiled: March 3, 2022Publication date: June 16, 2022Inventors: Pei-Hsin LIU, Richard Lee VALLEY, Bharath Balaji KANNAN
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Patent number: 11271483Abstract: A system includes an isolated converter having a power transformer with a primary winding, a secondary winding, and an auxiliary winding. The system also includes: 1) a first switch coupled to the primary winding; 2) a switch controller coupled to the first switch; and 3) a bias power regulator circuit coupled to the auxiliary winding and the switch controller. The bias power regulator circuit includes a second switch. The bias power regulator circuit is configured to provide a bias supply output voltage to the switch controller based on a first set of modes that modulate a switching frequency of the second switch and based on a second mode in which the second switch stays off.Type: GrantFiled: October 9, 2019Date of Patent: March 8, 2022Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Pei-Hsin Liu, Richard Lee Valley, Bharath Balaji Kannan
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Publication number: 20210408928Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for adaptive synchronous rectifier control. An example apparatus includes an adaptive off-time control circuit to determine a first voltage and a second voltage when a drain voltage of a switch satisfies a voltage threshold, the first voltage based on a first off-time of the switch, the second voltage based on the first off-time and a first scaling factor, determine a third voltage based on a second scaling factor and a second off-time of the switch, the second off-time after the first off-time, and determine a third off-time of the switch based on at least one of the second voltage or the third voltage. The example apparatus further includes a driver to turn off the switch for at least the third off-time after the second off-time.Type: ApplicationFiled: August 10, 2021Publication date: December 30, 2021Inventors: Bharath Balaji Kannan, Bing Lu
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Patent number: 11201603Abstract: In some examples, a circuit includes an input circuit, an output circuit, an auxiliary circuit, and a balancing circuit. The input circuit comprises a primary capacitor coupled to primary windings of a transformer. The output circuit comprises a secondary capacitor coupled to secondary windings of the transformer, wherein the secondary windings are coupled to the primary windings. The auxiliary circuit comprises auxiliary windings coupled to the primary windings. The balancing circuit is coupled to the output circuit, the auxiliary circuit, and the input circuit. The balancing circuit is configured to balance a voltage across the primary capacitor with a voltage across the secondary capacitor.Type: GrantFiled: June 18, 2020Date of Patent: December 14, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Pei-Hsin Liu, Richard Lee Valley, Bharath Balaji Kannan
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Patent number: 11128224Abstract: Methods, apparatus, systems, and articles of manufacture are disclosed for adaptive synchronous rectifier control. An example apparatus includes an adaptive off-time control circuit to determine a first voltage and a second voltage when a drain voltage of a switch satisfies a voltage threshold, the first voltage based on a first off-time of the switch, the second voltage based on the first off-time and a first scaling factor, determine a third voltage based on a second scaling factor and a second off-time of the switch, the second off-time after the first off-time, and determine a third off-time of the switch based on at least one of the second voltage or the third voltage. The example apparatus further includes a driver to turn off the switch for at least the third off-time after the second off-time.Type: GrantFiled: August 1, 2018Date of Patent: September 21, 2021Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Bharath Balaji Kannan, Bing Lu