Patents by Inventor Saujit Bandhu
Saujit Bandhu 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: 10236653Abstract: A pick and place cap is configured to facilitate picking and placing a connector when the cap is assembled to the connector. The cap includes a first wall defining a width, W, and a length, L of the cap. A second wall extends perpendicularly from the first wall and defines a height, H, of the cap. The cap also includes spaced apart parallel first, second, and third ribs extending from the first and second walls. Each of the first, second, and third ribs have the same first width, W1, and the same first height, H1. The first width and first height are less than the respective width and height of the cap. The cap includes spaced apart parallel fourth and fifth ribs disposed between and parallel to the second and third ribs. The fourth and fifth ribs are spaced part from the second wall and extend from the first wall. Each of the fourth and fifth ribs have the same second height, H2, which is greater than the first height, H1.Type: GrantFiled: January 5, 2017Date of Patent: March 19, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: YunLong Qiao, Saujit Bandhu
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Publication number: 20190052033Abstract: Electrical connectors are described. More particularly, electrical connectors including a plurality of contacts are described. Both connector plugs and sockets are described. Electrical connectors that are suitable for mounting on a printed circuit board and electrical connectors that include a printed circuit board are described.Type: ApplicationFiled: October 8, 2018Publication date: February 14, 2019Inventors: YunLong Qiao, Rao L. Vittapalli, Saujit Bandhu, Vincent Tan, Kok Hoe Lee, Chin Hua Lim
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Patent number: 10193267Abstract: An electrical connector includes a unitary base elongated along a longitudinal direction. A first tongue extends forwardly from the base and has a uniform thickness along the longitudinal direction. The first tongue comprises a plurality of spaced apart first contacts. A second tongue extends forwardly from the base and comprises a plurality of spaced apart second contacts. The first and second tongues define a gap therebetween that extends from a front edge of one of the first and second tongues toward the unitary base.Type: GrantFiled: November 21, 2017Date of Patent: January 29, 2019Assignee: 3M Innovative Properties CompanyInventors: Vincent Tan, Kok Hoe Lee, Rao Vittapalli, Yunlong Qiao, Saujit Bandhu
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Publication number: 20190020164Abstract: A pick and place cap is configured to facilitate picking and placing a connector when the cap is assembled to the connector. The cap includes a first wall defining a width, W, and a length, L of the cap. A second wall extends perpendicularly from the first wall and defines a height, H, of the cap. The cap also includes spaced apart parallel first, second, and third ribs extending from the first and second walls. Each of the first, second, and third ribs have the same first width, W1, and the same first height, H1. The first width and first height are less than the respective width and height of the cap. The cap includes spaced apart parallel fourth and fifth ribs disposed between and parallel to the second and third ribs. The fourth and fifth ribs are spaced part from the second wall and extend from the first wall. Each of the fourth and fifth ribs have the same second height, H2, which is greater than the first height, H1.Type: ApplicationFiled: January 5, 2017Publication date: January 17, 2019Inventors: YunLong Qiao, Saujit Bandhu
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Patent number: 10177492Abstract: An electrical connector is disclosed that includes an insulative housing having a mating face at one end, a rear face at another end, a mating slot at the mating face for receiving a complementary connector, a first set of contacts mounted in a first set of channels incorporated at a top of the insulative housing and a second set of contacts mounted in a second set of channels incorporated at a bottom of the insulative housing, and a shielding device located between the first set of contacts and the second set of contacts.Type: GrantFiled: November 14, 2017Date of Patent: January 8, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Chin Hua Lim, Saujit Bandhu, Yew Meng Wu
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Patent number: 10148031Abstract: An electrical connector includes a unitary base elongated along a longitudinal direction. A first tongue extends forwardly from the base and has a uniform thickness along the longitudinal direction. The first tongue comprises a plurality of spaced apart first contacts. A second tongue extends forwardly from the base and comprises a plurality of spaced apart second contacts. The first and second tongues define a gap therebetween that extends from a front edge of one of the first and second tongues toward the unitary base.Type: GrantFiled: November 21, 2017Date of Patent: December 4, 2018Assignee: 3M Innovative Properties CompanyInventors: Vincent Tan, Kok Hoe Lee, Rao Vittapalli, Yunlong Qiao, Saujit Bandhu
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Patent number: 10135206Abstract: Electrical connectors are described. More particularly, electrical connectors including a plurality of contacts are described. Both connector plugs and sockets are described. Electrical connectors that are suitable for mounting on a printed circuit board and electrical connectors that include a printed circuit board are described.Type: GrantFiled: June 1, 2015Date of Patent: November 20, 2018Assignee: 3M Innovative Properties CompanyInventors: YunLong Qiao, Rao L. Vittapalli, Saujit Bandhu, Vincent Tan, Kok Hoe Lee, Chin Hua Lim
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Publication number: 20180246592Abstract: Electrically conductive films are provided. An electrically conductive film includes a dielectric substrate having a first region adapted to be used in a touch sensor and a second region, adjacent to the first region, not adapted to be used in the touch sensor. The electrically conductive film further includes electrically conductive spaced apart electrodes disposed on the substrate in the first region and adapted to form drive or receive electrodes in the touch sensor, and an electrically conductive pattern disposed on the substrate in the second region. Each electrode extends into the second region and is electrically and physically connected to the conductive first pattern, the conductive first pattern electrically connecting the plurality of the first electrodes. Also, assemblies and methods for removing static electric charge from electrically conductive patterns are provided.Type: ApplicationFiled: July 7, 2016Publication date: August 30, 2018Inventors: Siarhei V. Savich, Daniel J. Theis, Qin Fei Chen, Saujit Bandhu, Ravi Palaniswamy, Matthew S. Stay
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Publication number: 20180217341Abstract: The present invention relates to a hybrid connector. The connector comprises an insulating housing having parallel rows of first and second terminals disposed in the housing. Each first and second terminal includes a terminal portion configured to make contact with an electrically conductive trace of a circuit board; and a mating portion configured to contact a terminal of a mating connector, the mating portions of the first terminals parallel to and facing the mating portions of the second terminals. The housing defines a cavity formed therein between the mating portions of the first and second terminals, wherein the cavity defining a cavity opening at an external surface of the housing for receiving light therefrom. An optical relay portion is disposed in the cavity, wherein the optical relay portion comprises at least one of an optical transceiver, an optical lens and an optical waveguide.Type: ApplicationFiled: January 29, 2018Publication date: August 2, 2018Inventors: Terry L. Smith, Saujit Bandhu, YunLong Qiao, Chin Hua Lim, Barry J. Koch
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Publication number: 20180076559Abstract: An electrical connector includes a unitary base elongated along a longitudinal direction. A first tongue extends forwardly from the base and has a uniform thickness along the longitudinal direction. The first tongue comprises a plurality of spaced apart first contacts. A second tongue extends forwardly from the base and comprises a plurality of spaced apart second contacts. The first and second tongues define a gap therebetween that extends from a front edge of one of the first and second tongues toward the unitary base.Type: ApplicationFiled: November 21, 2017Publication date: March 15, 2018Inventors: Vincent Tan, Kok Hoe Lee, Rao Vittapalli, Yunlong Qiao, Saujit Bandhu
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Publication number: 20180076558Abstract: An electrical connector includes a unitary base elongated along a longitudinal direction. A first tongue extends forwardly from the base and has a uniform thickness along the longitudinal direction. The first tongue comprises a plurality of spaced apart first contacts. A second tongue extends forwardly from the base and comprises a plurality of spaced apart second contacts. The first and second tongues define a gap therebetween that extends from a front edge of one of the first and second tongues toward the unitary base.Type: ApplicationFiled: November 21, 2017Publication date: March 15, 2018Inventors: Vincent Tan, Kok Hoe Lee, Rao Vittapalli, Yunlong Qiao, Saujit Bandhu
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Publication number: 20180076557Abstract: An electrical connector includes a unitary base elongated along a longitudinal direction. A first tongue extends forwardly from the base and has a uniform thickness along the longitudinal direction. The first tongue comprises a plurality of spaced apart first contacts. A second tongue extends forwardly from the base and comprises a plurality of spaced apart second contacts. The first and second tongues define a gap therebetween that extends from a front edge of one of the first and second tongues toward the unitary base.Type: ApplicationFiled: November 21, 2017Publication date: March 15, 2018Inventors: Vincent Tan, Kok Hoe Lee, Rao Vittapalli, Yunlong Qiao, Saujit Bandhu
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Publication number: 20180069344Abstract: An electrical connector is disclosed that includes an insulative housing having a mating face at one end, a rear face at another end, a mating slot at the mating face for receiving a complementary connector, a first set of contacts mounted in a first set of channels incorporated at a top of the insulative housing and a second set of contacts mounted in a second set of channels incorporated at a bottom of the insulative housing, and a shielding device located between the first set of contacts and the second set of contacts.Type: ApplicationFiled: November 14, 2017Publication date: March 8, 2018Inventors: Chin Hua Lim, Saujit Bandhu, Yew Meng Wu
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Patent number: 9877420Abstract: An electrically conductive gasket for use with an electrical component, including an electrically conductive base defining a central opening therein for receiving a portion of an electrical component, a first row of spaced apart resilient conductive tabs arranged around the central opening, and a second row of spaced apart resilient conductive tabs arranged around the central opening, the first row being located inside the second row. The conductive tabs in the first and second rows of the spaced apart resilient conductive tabs extend outwardly from the conductive base and are configured to resiliently deflect when the gasket is compressed. The conductive tabs in the first and second rows of the spaced apart resilient conductive tabs are staggered relative to each other, such that in an edge view of the gasket, at least one conductive tab in one row partially overlaps at least one conductive tab in the other row.Type: GrantFiled: November 16, 2016Date of Patent: January 23, 2018Assignee: 3M Innovative Properties CompanyInventors: Saujit Bandhu, YunLong Qiao
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Patent number: 9847598Abstract: An electrical connector is disclosed that includes an insulative housing having a mating face at one end, a rear face at another end, a mating slot at the mating face for receiving a complementary connector, a first set of contacts mounted in a first set of channels incorporated at a top of the insulative housing and a second set of contacts mounted in a second set of channels incorporated at a bottom of the insulative housing, and a shielding device located between the first set of contacts and the second set of contacts.Type: GrantFiled: August 12, 2013Date of Patent: December 19, 2017Assignee: 3M Innovative Properties CompanyInventors: Chin Hua Lim, Saujit Bandhu, Yew Meng Wu
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Patent number: 9843125Abstract: An electrical connector includes a unitary base elongated along a longitudinal direction. A first tongue extends forwardly from the base and has a uniform thickness along the longitudinal direction. The first tongue comprises a plurality of spaced apart first contacts. A second tongue extends forwardly from the base and comprises a plurality of spaced apart second contacts. The first and second tongues define a gap therebetween that extends from a front edge of one of the first and second tongues toward the unitary base.Type: GrantFiled: July 21, 2014Date of Patent: December 12, 2017Assignee: 3M Innovative Properties CompanyInventors: Vincent Tan, Kok Hoe Lee, Rao L. Vittapalli, YunLong Qiao, Saujit Bandhu
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Publication number: 20170310029Abstract: In a specific embodiment, a connector 100 is disclosed. The connector 100 comprises an insulative housing 102 defining a rear opening 108 for receiving a plurality of electrical wires 110 and a front opening 106 and a circuit board 104 disposed in the housing 102 and comprising a mating section 112 for mating with a corresponding mating section of a mating connector. The mating section 112 protrudes outwardly from the front opening 106 and terminates at a front edge 118 disposed between opposing side edges 114,116 of the mating section 112.Type: ApplicationFiled: October 26, 2015Publication date: October 26, 2017Inventors: Kok Hoe Lee, Saujit Bandhu, YunLong Qiao, Rao L. Vittapalli, Chin Hua Lim
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Publication number: 20170207572Abstract: Connector assemblies are disclosed. More particularly, connector assemblies including a housing with an inclined wall are disclosed. The inclined wall helps maintain a folded flat cable by contacting substantially its entire fold edge. The housing with the inclined wall may be removably attached to the rest of the connector assembly.Type: ApplicationFiled: March 30, 2017Publication date: July 20, 2017Inventors: Kok Hoe Lee, Saujit Bandhu, Dennis L. Doye, YunLong Qiao
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Patent number: 9711909Abstract: An electrical connector (100) is disclosed. In a described embodiment, the electrical connector (100) comprises first and second terminal pairs (102, 104) configured to electrically couple to a same device, each terminal pair (102, 104) comprising terminals (102a, 102b, 104a, 104b), with the terminals (102a, 102b) in the first terminal pair (102) having different first and second electrical lengths and the terminals (104a, 104b) in the second terminal pair (104) having different third and fourth electrical lengths, wherein a sum of the first and third electrical lengths is substantially the same as a sum of the second and fourth electrical lengths.Type: GrantFiled: April 27, 2012Date of Patent: July 18, 2017Assignee: 3M Innovative Properties CompanyInventors: Chin Hua Lim, Saujit Bandhu
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Patent number: 9672957Abstract: A shielded electrical cable (50) includes conductor sets (51a, 51b) spaced apart along a width of the cable and extending along a length of the cable. Each conductor set includes first and second insulated conductors (52a, 52b), one or two drain grounding wires (54) disposed between the first and second insulated conductors, first and second conductive shielding films (56a, 56b) disposed on opposite first and second sides of the conductor set, and an adhesive layer (59) bonding the first shielding film to the second shielding film.Type: GrantFiled: November 24, 2014Date of Patent: June 6, 2017Assignee: 3M Innovative Properties CompanyInventors: David L. Kordecki, Douglas B. Gundel, Saujit Bandhu