Patents by Inventor Ravi Bhatia
Ravi Bhatia 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: 11913845Abstract: A temperature indicator includes a first capacitor configured to change capacitance when exposed to a temperature above a first threshold temperature, a second capacitor configured to change capacitance when exposed to a temperature above a second threshold temperature. The first capacitor is electrically connected to the second capacitor. The second threshold temperature is different than the first threshold temperature. The first capacitor and the second capacitor retain their changed capacitance permanently after they return to a temperature below their respective threshold temperature.Type: GrantFiled: February 25, 2021Date of Patent: February 27, 2024Assignee: TEMPTIME CORPORATIONInventors: Ravi Bhatia, Thi N. Do, Brian S. Huffman, Mohannad Abdo
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Publication number: 20220268640Abstract: A temperature indicator includes a first capacitor configured to change capacitance when exposed to a temperature above a first threshold temperature, a second capacitor configured to change capacitance when exposed to a temperature above a second threshold temperature. The first capacitor is electrically connected to the second capacitor. The second threshold temperature is different than the first threshold temperature. The first capacitor and the second capacitor retain their changed capacitance permanently after they return to a temperature below their respective threshold temperature.Type: ApplicationFiled: February 25, 2021Publication date: August 25, 2022Applicant: Temptime CorporationInventors: Ravi Bhatia, Thi N. Do, Brian S. Huffman, Mohannad Abdo
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Publication number: 20220252464Abstract: A temperature-activatable temperature indicator that includes a substrate and an indicator material supported by the substrate. The indicator material includes a mixture of a side-chain crystalline polymer and conductive particles and provides an electrical indication of exposure to increased temperature.Type: ApplicationFiled: May 11, 2020Publication date: August 11, 2022Applicant: Temptime CorporationInventors: Brian HUFFMAN, Thi N. DO, Ravi BHATIA, Mohannad ABDO, Thaddeus PRUSIK
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Patent number: 11366460Abstract: A system for monitoring an electrical device and a method thereof is provided, wherein at least one primary unit is connected with an input side and/or an output side of the electrical device and configured to obtain electrical parameters of the electrical device. A secondary unit is connected with each primary unit and configured to receive the electrical parameters obtained by the primary unit, store the electrical parameters to form a repository of previously obtained electrical parameters, compare the electrical parameters with previously obtained electrical parameters to determine any deviation in the electrical parameters and correlate the deviation in electrical parameters with a list of impending faults to identify any impending fault. The secondary unit based upon the correlation of the electrical parameters generates a summary and/or alert indicative of state of the electrical device by way of alerts, notifications etc.Type: GrantFiled: September 7, 2017Date of Patent: June 21, 2022Assignee: ECOLIBRIUM ENERGY PRIVATE LIMITEDInventors: Chintan Soni, Harit Soni, Parthiv Patel, Ravi Bhatia, Aditya Bhandari, Ashutosh Sharma, Gokul G. Krishna, Gaurav Patwa, Parita Bhojani
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Patent number: 10942601Abstract: A capacitive sensing structure includes a first sensing electrode located in a first layer for sensing a first capacitance and producing a first sense signal indicative of the sensed first capacitance. A transmit electrode is located in the first layer and positioned surrounding 90%+ of a perimeter of the first sensing electrode. A second sensing electrode is located in the first layer and positioned surrounding 90%+ of a perimeter of the transmit electrode, the second sensing electrode to sense a second capacitance and produce a second sense signal indicative of the sensed second capacitance. Controller circuitry receives the first and second sense signals, compares a change in the sensed first capacitance to a change in the sensed second capacitance, and produces an output signal indicative of a user touch based upon the comparison between the change in the sensed first capacitance and the change in the sensed second capacitance.Type: GrantFiled: August 6, 2019Date of Patent: March 9, 2021Assignee: STMicroelectronics Asia Pacific Pte LtdInventors: Praveesh Chandran, Gee-Heng Loh, Ravi Bhatia, Ys On
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Patent number: 10628726Abstract: Systems for switchable RFID tags responsive to an environmental sensor are provided. In one embodiment, a system includes a RFID tag having an antenna and an integrated circuit electrically coupled to the antenna, a plurality of sensor devices electrically coupled to the integrated circuit, and an electrical connection between the integrated circuit and the plurality of sensor devices. The integrated circuit is configured to sense whether each of the plurality of sensor device is in a conductive state or in a non-conductive state, and produce a different output based on the state of the each of the plurality of sensor devices. The output is adapted to be transmitted through the antenna to a reader.Type: GrantFiled: October 1, 2018Date of Patent: April 21, 2020Assignee: TEMPTIME CORPORATIONInventors: Ravi Bhatia, Mohannad Abdo
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Publication number: 20190361564Abstract: A capacitive sensing structure includes a first sensing electrode located in a first layer for sensing a first capacitance and producing a first sense signal indicative of the sensed first capacitance. A transmit electrode is located in the first layer and positioned surrounding 90%+ of a perimeter of the first sensing electrode. A second sensing electrode is located in the first layer and positioned surrounding 90%+ of a perimeter of the transmit electrode, the second sensing electrode to sense a second capacitance and produce a second sense signal indicative of the sensed second capacitance. Controller circuitry receives the first and second sense signals, compares a change in the sensed first capacitance to a change in the sensed second capacitance, and produces an output signal indicative of a user touch based upon the comparison between the change in the sensed first capacitance and the change in the sensed second capacitance.Type: ApplicationFiled: August 6, 2019Publication date: November 28, 2019Applicant: STMicroelectronics Asia Pacific Pte LtdInventors: Praveesh CHANDRAN, Gee-Heng LOH, Ravi BHATIA, Ys ON
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Publication number: 20190346835Abstract: A system for monitoring an electrical device and a method thereof is provided, wherein at least one primary unit is connected with an input side and/or an output side of the electrical device and configured to obtain electrical parameters of the electrical device. A secondary unit is connected with each primary unit and configured to receive the electrical parameters obtained by the primary unit, store the electrical parameters to form a repository of previously obtained electrical parameters, compare the electrical parameters with previously obtained electrical parameters to determine any deviation in the electrical parameters and correlate the deviation in electrical parameters with a list of impending faults to identify any impending fault. The secondary unit based upon the correlation of the electrical parameters generates a summary and/or alert indicative of state of the electrical device by way of alerts, notifications etc.Type: ApplicationFiled: September 7, 2017Publication date: November 14, 2019Inventors: Chintan SONI, Harit SONI, Parhiv PATEL, Ravi BHATIA, Aditya BHANDARI, Ashutosh SHARMA, Gokul G. KRISHNA, Gaurav PATWA, Parita BHOJANI
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Patent number: 10416802Abstract: Disclosed is a touch sensor and method for detecting a touch in a capacitive touchscreen application, wherein the touch sensor is capable of distinguishing between a finger hovering above the touch sensor and a touch from a stylus having a small contact surface area without having to adjust the sensitivity of the touch sensor. The touch sensor includes a first sensing electrode, a transmit electrode, and a second sensing electrode, wherein the second sensing electrode is positioned substantially around the perimeter of the inner circuitry (i.e., transmit electrode and first sensing electrode). A touch is detected by sensing changes in a first capacitance between the transmit electrode and first sensing electrode and a second capacitance between the transmit electrode and second sensing electrode. The changes in the first and second capacitances are compared to determine whether the changes in the capacitances are due to a finger hover or a touch.Type: GrantFiled: September 14, 2015Date of Patent: September 17, 2019Assignee: STMicroelectronics Asia Pacific Pte LtdInventors: Praveesh Chandran, Gee-Heng Loh, Ravi Bhatia, Ys On
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Publication number: 20190034777Abstract: Systems for switchable RFID tags responsive to an environmental sensor are provided. In one embodiment, a system includes a RFID tag having an antenna and an integrated circuit electrically coupled to the antenna, a plurality of sensor devices electrically coupled to the integrated circuit, and an electrical connection between the integrated circuit and the plurality of sensor devices. The integrated circuit is configured to sense whether each of the plurality of sensor device is in a conductive state or in a non-conductive state, and produce a different output based on the state of the each of the plurality of sensor devices. The output is adapted to be transmitted through the antenna to a reader.Type: ApplicationFiled: October 1, 2018Publication date: January 31, 2019Inventors: Ravi BHATIA, Mohannad Abdo
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Patent number: 10095972Abstract: Systems for switchable RFID tags responsive to an environmental sensor are provided. In one embodiment, the system includes a primary RFID tag and a secondary RFID tag, and a switch being associated with the primary RFID tag and the secondary RFID tag in a manner that the primary RFID tag and the secondary RFID tag are not activated at the same time. Each RFID tag may include an integrated circuit and an antenna. The system may also include at least two first electrical terminals electrically connecting the primary RFID tag to the switch, and at least two second electrical terminals electrically connecting the secondary RFID tag to the switch.Type: GrantFiled: February 28, 2017Date of Patent: October 9, 2018Assignee: TEMPTIME CORPORATIONInventors: Ravi Bhatia, Mohannad Abdo
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Patent number: 9791985Abstract: In one implementation, a capacitive sensing structure comprises rows of first sensors electrically coupled together and columns of second sensors electrically coupled together, wherein the first sensors include: a first arm extending in a first direction and having a first plurality of finger structures extending therefrom, a second arm extending in the first direction and having a second plurality of finger structures extending therefrom, and an end portion connecting the arms, wherein the first sensors define open regions that are occupied by the second sensors. In a second implementation, a capacitive sensing structure comprises rows of first sensors and columns of second sensors, wherein each of the first sensors includes an elongated portion having finger structures extending therefrom, and wherein each of the second sensors includes a primary portion connected to secondary portions via arms, wherein the secondary portions occupy gaps defined by the finger structures of the first sensors.Type: GrantFiled: July 20, 2015Date of Patent: October 17, 2017Assignee: STMICROELECTRONICS ASIA PACIFIC PTE LTDInventors: Praveesh Chandran, Ravi Bhatia
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Publication number: 20170255854Abstract: Systems for switchable RFID tags responsive to an environmental sensor are provided. In one embodiment, the system includes a primary RFID tag and a secondary RFID tag, and a switch being associated with the primary RFID tag and the secondary RFID tag in a manner that the primary RFID tag and the secondary RFID tag are not activated at the same time. Each RFID tag may include an integrated circuit and an antenna. The system may also include at least two first electrical terminals electrically connecting the primary RFID tag to the switch, and at least two second electrical terminals electrically connecting the secondary RFID tag to the switch.Type: ApplicationFiled: February 28, 2017Publication date: September 7, 2017Inventors: Ravi BHATIA, Mohannad ABDO
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Patent number: 9703946Abstract: A method of pairing an intelligent input device with an electronic device includes transmitting a start pairing identifier and receiving a unique identifier that identifies the intelligent input device. The method further includes authenticating the unique identifier using authentication information stored in the electronic device and transmitting a pairing successful identifier responsive to the unique identifier being authenticated to thereby pair the intelligent input device and the electronic device.Type: GrantFiled: March 31, 2014Date of Patent: July 11, 2017Assignee: STMICROELECTRONICS ASIA PACIFIC PTE LTDInventors: Praveesh Chandran, Ravi Bhatia
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Publication number: 20170102758Abstract: A touch screen controller provides a host interrupt to a host device operating in a low power consumption mode. The touch screen controller uses gesture templates to detect gestures input via a touch screen. Each gesture template is associated with an event identifier, and each event identifier is associated an application. Each gesture template includes a template identifier, a matching threshold, a criterion, and coordinates corresponding to locations on the touch screen panel. If at least one of the coordinates corresponding to a gesture input via the touch screen satisfies the criterion included in a particular gesture template, the touch screen controller provides a host interrupt with the event identifier corresponding to that gesture template to the host device. In response to receiving the host interrupt with the event identifier, the host device exits the low power consumption mode and opens the application associated with the event identifier.Type: ApplicationFiled: October 8, 2015Publication date: April 13, 2017Inventors: Tchung Jing SIAW, Tian Wei WANG, Hon Siong NG, Ravi BHATIA
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Publication number: 20170075469Abstract: Disclosed is a touch sensor and method for detecting a touch in a capacitive touchscreen application, wherein the touch sensor is capable of distinguishing between a finger hovering above the touch sensor and a touch from a stylus having a small contact surface area without having to adjust the sensitivity of the touch sensor. The touch sensor includes a first sensing electrode, a transmit electrode, and a second sensing electrode, wherein the second sensing electrode is positioned substantially around the perimeter of the inner circuitry (i.e., transmit electrode and first sensing electrode). A touch is detected by sensing changes in a first capacitance between the transmit electrode and first sensing electrode and a second capacitance between the transmit electrode and second sensing electrode. The changes in the first and second capacitances are compared to determine whether the changes in the capacitances are due to a finger hover or a touch.Type: ApplicationFiled: September 14, 2015Publication date: March 16, 2017Applicant: STMicroelectronics Asia Pacific Pte LtdInventors: Praveesh Chandran, Gee Heng Loh, Ravi Bhatia, Ys On
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Publication number: 20170024033Abstract: In one implementation, a capacitive sensing structure comprises rows of first sensors electrically coupled together and columns of second sensors electrically coupled together, wherein the first sensors include: a first arm extending in a first direction and having a first plurality of finger structures extending therefrom, a second arm extending in the first direction and having a second plurality of finger structures extending therefrom, and an end portion connecting the arms, wherein the first sensors define open regions that are occupied by the second sensors. In a second implementation, a capacitive sensing structure comprises rows of first sensors and columns of second sensors, wherein each of the first sensors includes an elongated portion having finger structures extending therefrom, and wherein each of the second sensors includes a primary portion connected to secondary portions via arms, wherein the secondary portions occupy gaps defined by the finger structures of the first sensors.Type: ApplicationFiled: July 20, 2015Publication date: January 26, 2017Applicant: STMICROELECTRONICS ASIA PACIFIC PTE LTDInventors: Praveesh Chandran, Ravi Bhatia
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Patent number: 9347102Abstract: In one embodiment, a gene expression signature for predicting risk of developing therapy-related myelodysplasia or acute myeloid leukemia (t-MDS/AML) after autologous hematopoietic cell transplantation (aHCT) is provided. In another embodiment, a method for predicting a risk for development of t-MDS/AML after aHCT is provided. Such a method may include providing a biological sample that contains CD34 cells from a subject; detecting a test expression level of a set of two or more genes of a gene expression signature; comparing the test expression level of a set of corresponding training expression levels that include a training case expression level and a training control expression level; and predicting a high risk of developing t-MDS/AML when the test expression level is at or about the training case expression level or predicting a low risk of developing t-MDS/AML when the test expression level is at or about the training control expression level.Type: GrantFiled: June 7, 2013Date of Patent: May 24, 2016Assignees: CITY OF HOPE, FRED HUTCHINSON CANCER RESEARCH CENTERInventors: Ravi Bhatia, Smita Bhatia, Stephen Forman, Jerald P. Radich, Liang Li, Min Li, Lue Ping Zhao
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Patent number: 9229576Abstract: A method comprises during a frame period finding a first EFT noise influenced sensor of a touch screen panel, determining whether the first EFT noise influenced sensor is located at a last transmitting/driving line of the touch screen panel, designating the frame period as a noise influenced frame period using an absolute value threshold if the first EFT noise influenced sensor is not located at the last transmitting/driving line and designating the frame period as the noise influenced frame period using a percentage threshold if the first EFT noise influenced sensor is located at the last transmitting/driving line.Type: GrantFiled: October 9, 2012Date of Patent: January 5, 2016Assignee: STMicroelectronics Asia Pacific PTE LtdInventors: HonSiong Ng, Praveesh Chandran, Mythreyi Nagarajan, Ravi Bhatia
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Patent number: 9176114Abstract: A method of generating a chronic myelogenic leukemia (CML) acquired chemoresistant culture model is provided. Such a method may comprise providing a naïve blast crisis CML cell line; administering/contacting the cell line with a mutation-inducing dose of imatinib; maintaining a culture of the treated cell line for a period of time until the treated cell line relapses and repopulates the culture; and determining the repopulated cell culture is a CML acquired chemoresistant cell line by detecting a BCR-ABL mutation, wherein the acquired chemoresistance is achieved by a BCR-ABL mutation.Type: GrantFiled: June 19, 2013Date of Patent: November 3, 2015Assignee: CITY OF HOPEInventors: WenYong Chen, Ravi Bhatia, Leila Su, Yate-Ching Yuan