Patents by Inventor Nahid Islam
Nahid Islam 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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Publication number: 20110201230Abstract: A connector is to be attached to a coaxial cable. The connector includes a connector housing having a cylindrical shape to be coupled to the outer conductor. An insulator member has a central opening therein and is rotatably received within the connector housing to define a rotational joint therewith. A center contact has a shaft portion securely received within the central opening of the insulator member and an open end portion extending rearwardly from the shaft portion to securely receive the inner conductor therein.Type: ApplicationFiled: February 16, 2010Publication date: August 18, 2011Applicant: Andrew LLCInventor: Nahid Islam
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Patent number: 7931499Abstract: A coaxial cable connector is to be attached to a coaxial cable including an inner conductor, an outer conductor, and a dielectric therebetween. The coaxial cable connector includes a connector housing defining a ramp to receive an outer conductor thereagainst. A back nut has a ring base and a plurality of flexible fingers carried thereby to clamp against the outer conductor opposite the ramp. The connector housing and the back nut include respective portions defining a positive stop when fully engaged. A center contact is to be coupled to the inner conductor. There is at least one insulator member in the connector housing for carrying the center contact and comprising a radially outer support portion to radially support the outer conductor opposite the compressible ring.Type: GrantFiled: January 28, 2009Date of Patent: April 26, 2011Assignee: Andrew LLCInventor: Nahid Islam
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Patent number: 7918687Abstract: A coaxial connector with a connector body is provided with a connector body bore. A grip ring is retained within the connector body bore, and an outer diameter of the grip ring abuts an annular wedge surface provided with a taper between a maximum diameter proximate the connector end and a minimum diameter proximate the cable end. The wedge surface may be provided directly on the connector body bore sidewall or alternatively on an inner diameter of a clamp ring coupled to the cable end of the connector body. An inner diameter of the grip ring is provided with a grip surface. A spring contact is retained within the connector body bore. The grip surface provided with a rotational interlock with the connector body directly or via an interconnection with the spring contact and/or clamp ring.Type: GrantFiled: November 4, 2009Date of Patent: April 5, 2011Assignee: Andrew LLCInventors: Jeffrey Paynter, Al Cox, Nahid Islam, Lee Allison
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Publication number: 20110021074Abstract: A self-gauging electrical connector for coaxial cables with outer conductors of varied diameters is provided with a clamp ring coupled to a connector body with a bore. A mechanical grip and an electrical contact are retained within the bore. The mechanical grip and the electrical contact engage the outer conductor upon insertion of the outer conductor into the bore. The mechanical grip is displaced radially proportional to an outer diameter of the outer conductor. The electrical contact is displaced radial proportional to the radial displacement of the mechanical grip.Type: ApplicationFiled: September 21, 2010Publication date: January 27, 2011Applicant: ANDREW LLCInventors: Jeffrey Paynter, Nahid Islam
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Patent number: 7857661Abstract: A connector is to be attached to a coaxial cable having an inner conductor, an outer conductor, a dielectric between the inner conductor and outer conductor, and a jacket surrounding the outer conductor. The connector includes a back nut to be received over the jacket of the coaxial cable and having an internal back nut ramp defined therein. A connector housing engages the back nut. There is a jacket gripping ferrule within the back nut that has a rearward portion configured to be urged radially inwardly by the internal back nut ramp to thereby dig into the cable jacket as the connector housing and back nut are engaged.Type: GrantFiled: February 16, 2010Date of Patent: December 28, 2010Assignee: Andrew LLCInventor: Nahid Islam
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Patent number: 7837502Abstract: A coaxial cable connector formed via multi-shot injection molding has a body formed by multiple injection molding layers of different injection moldable materials about a central inner contact to form an integral connector body. The connector body is provided with a coaxial dielectric spacer of dielectric polymer surrounding the inner contact; a coaxial inner body of injection molded metal composition surrounding an outer diameter of the dielectric spacer; and an outer body of polymer surrounding the inner body. Interlock features provide axial and/or rotational interlock between the layers of the connector.Type: GrantFiled: September 14, 2009Date of Patent: November 23, 2010Assignee: Andrew LLCInventors: Kendrick Van Swearingen, Nahid Islam
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Patent number: 7824215Abstract: A coaxial connector with a connector body is provided with a connector body bore, an annular ramp surface proximate the cable end of the connector body and a connector body mounting surface proximate the cable end of the connector body. A back body is provided with a back body bore and a back body mounting surface proximate the connector end of the back body, the back body mounting surface dimensioned to couple with the connector body mounting surface via axial compression. A surface grip on an outer conductor section of the back body bore is dimensioned to grip an outer diameter of the outer conductor, whereby the outer conductor is retained within the back body bore during the axial compression. The surface grip may be applied, for example, as a helical burr or a grip ring with a gripping feature.Type: GrantFiled: November 5, 2008Date of Patent: November 2, 2010Assignee: Andrew LLCInventors: Nahid Islam, Jeffrey Paynter
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Patent number: 7819698Abstract: A coaxial cable connector inner contact with an interface end and a cable end for coupling with the inner conductor of a coaxial cable, the inner conductor having an outer diameter surface. The inner contact provided with an inner conductor interface at the interface end, an inner conductor socket open to the cable end, a first inner diameter groove in a first sidewall section of the socket, a second inner diameter groove in the first sidewall section proximate the cable end, a first spring contact, dimensioned to engage the outer diameter surface, seated in the first inner diameter groove; and a first inward projecting seal, dimensioned to seal against the outer diameter surface, seated in the second inner diameter groove.Type: GrantFiled: October 7, 2008Date of Patent: October 26, 2010Assignee: Andrew LLCInventor: Nahid Islam
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Patent number: 7803018Abstract: A coaxial connector is provided with a connector body dimensioned to couple with the outer conductor, an insulator supporting an inner contact coaxial within a bore of the connector body. A spring contact may be positioned to contact an end of the inner conductor. Alternatively, an adapter may be mountable in an adapter bore of the inner contact, the adapter bore open to a cable end of the inner contact. The spring contact mountable within the adapter bore, the spring contact biasing the adapter against an end of the inner conductor.Type: GrantFiled: March 10, 2009Date of Patent: September 28, 2010Assignee: Andrew LLCInventor: Nahid Islam
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Patent number: 7798847Abstract: An insulator for supporting an inner contact within a coaxial cable connector; the coaxial cable connector for coupling with a coaxial cable having an outer conductor and an inner conductor. The insulator formed as a monolithic dielectric body provided with a mounting portion proximate a connector end, the mounting portion dimensioned to seat within a connector body of the coaxial cable connector. A bore through the dielectric body dimensioned to seat the inner contact therein provided with an annular first seal groove in an inner diameter of the bore proximate a cable end, an inner conductor seal disposed in the first seal groove. The inner conductor seal dimensioned to seal between the insulator and the inner conductor when the inner conductor is coupled to the inner contact.Type: GrantFiled: October 7, 2008Date of Patent: September 21, 2010Assignee: Andrew LLCInventor: Nahid Islam
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Patent number: 7798848Abstract: An insulator supporting an inner contact coaxial within a connector body bore of a connector for coaxial cable with a solid outer conductor is formed as a monolithic body with an inner contact bore extending between a connector end and a cable end. The inner contact bore is dimensioned to receive the inner contact. An outer diameter of the insulator at the connector end is configured to mate with the connector body bore of the coaxial cable connector. A plurality of spring fingers extends from the cable end of the insulator. A distal end of the spring fingers each is provided with a ramp surface, whereby during connector to cable assembly, the solid outer conductor contacts the spring fingers along the ramp surface(s), deflecting the spring fingers inward to increase inward bias upon a spring basket of the inner contact.Type: GrantFiled: January 29, 2009Date of Patent: September 21, 2010Assignee: Andrew LLCInventor: Nahid Islam
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Publication number: 20100233903Abstract: A coaxial connector is provided with a connector body dimensioned to couple with the outer conductor, an insulator supporting an inner contact coaxial within a bore of the connector body. A spring contact may be positioned to contact an end of the inner conductor. Alternatively, an adapter may be mountable in an adapter bore of the inner contact, the adapter bore open to a cable end of the inner contact. The spring contact mountable within the adapter bore, the spring contact biasing the adapter against an end of the inner conductor.Type: ApplicationFiled: March 10, 2009Publication date: September 16, 2010Applicant: ANDREW LLCInventor: Nahid Islam
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Patent number: 7785144Abstract: A connector is to be attached to a coaxial cable including an inner conductor, an outer conductor, and a dielectric therebetween. The connector includes a connector housing defining a ramp to receive the outer conductor thereagainst and a back nut. A portion of the connector housing and the back nut includes respective portions defining a positive stop when fully engaged. An electrically conductive compressible coil spring is to compressibly clamp against the outer conductor opposite the ramp when the connector housing and back nut are engaged. The connector housing includes a rearward portion threadingly received with a forward portion of the back nut. A center contact is to be coupled to the inner conductor. An insulator member is in the connector housing for carrying the center contact.Type: GrantFiled: November 24, 2008Date of Patent: August 31, 2010Assignee: Andrew LLCInventor: Nahid Islam
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Publication number: 20100190377Abstract: A coaxial cable connector is to be attached to a coaxial cable including an inner conductor, an outer conductor, and a dielectric therebetween. The coaxial cable connector includes a connector housing defining a ramp to receive an outer conductor thereagainst. A back nut has a ring base and a plurality of flexible fingers carried thereby to clamp against the outer conductor opposite the ramp. The connector housing and the back nut include respective portions defining a positive stop when fully engaged. A center contact is to be coupled to the inner conductor. There is at least one insulator member in the connector housing for carrying the center contact and comprising a radially outer support portion to radially support the outer conductor opposite the compressible ring.Type: ApplicationFiled: January 28, 2009Publication date: July 29, 2010Applicant: Andrew LLC, State/Country of Incorporation: DelawareInventor: Nahid Islam
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Publication number: 20100190378Abstract: An insulator supporting an inner contact coaxial within a connector body bore of a connector for coaxial cable with a solid outer conductor is formed as a monolithic body with an inner contact bore extending between a connector end and a cable end. The inner contact bore is dimensioned to receive the inner contact. An outer diameter of the insulator at the connector end is configured to mate with the connector body bore of the coaxial cable connector. A plurality of spring fingers extends from the cable end of the insulator. A distal end of the spring fingers each is provided with a ramp surface, whereby during connector to cable assembly, the solid outer conductor contacts the spring fingers along the ramp surface(s), deflecting the spring fingers inward to increase inward bias upon a spring basket of the inner contact.Type: ApplicationFiled: January 29, 2009Publication date: July 29, 2010Applicant: Andrew LLCInventor: Nahid Islam
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Patent number: 7753727Abstract: A coaxial connector for coaxial cable includes a body with a bore; a sidewall of the bore provided with a cable stop projecting radially inward at least to an inner diameter of the outer conductor; an annular contact groove proximate a cable end side of the cable stop; a contact seated within the contact groove; the contact configured to bias between the contact groove and an outer diameter of the outer conductor; an outer conductor section proximate a cable end side of the contact groove with an inward projecting outer conductor thread; an inner diameter of the outer conductor section greater than the outer diameter of the outer conductor; and a transition at the cable end side of the outer conductor section to a jacket section with an inward projecting jacket thread. An inner diameter of the jacket section is greater than an outer diameter of the jacket.Type: GrantFiled: May 22, 2009Date of Patent: July 13, 2010Assignee: Andrew LLCInventors: Nahid Islam, Jeffrey Paynter
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Patent number: 7731529Abstract: A connector is for attachment to a coaxial cable having an inner conductor, an outer conductor, and a dielectric therebetween. The connector includes a connector housing defining a radially outer ramp to receive the outer conductor thereagainst and a back nut. A compressible ring compressibly clamps against the outer conductor opposite the radially outer ramp as the connector housing and back nut are engaged. The connector also includes a center contact to be coupled to the inner conductor and an insulator member in the connector housing for carrying the center contact and having a radially outer support portion to radially support the outer conductor opposite the compressible ring.Type: GrantFiled: November 24, 2008Date of Patent: June 8, 2010Assignee: Andrew LLCInventor: Nahid Islam
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Publication number: 20100130060Abstract: A connector is for attachment to a coaxial cable having an inner conductor, an outer conductor, and a dielectric therebetween. The connector includes a connector housing defining a radially outer ramp to receive the outer conductor thereagainst and a back nut. A compressible ring compressibly clamps against the outer conductor opposite the radially outer ramp as the connector housing and back nut are engaged. The connector also includes a center contact to be coupled to the inner conductor and an insulator member in the connector housing for carrying the center contact and having a radially outer support portion to radially support the outer conductor opposite the compressible ring.Type: ApplicationFiled: November 24, 2008Publication date: May 27, 2010Applicant: Andrew, LLCInventor: Nahid Islam
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Publication number: 20100126011Abstract: A cable end preparation tool is for a coaxial cable having an inner conductor, an outer conductor, and a dielectric therebetween. The cable end preparation tool includes a body and a blade carried by the body for removing a portion of the dielectric between the inner conductor and the outer conductor when the body is rotated about the coaxial cable. A first projection is carried by the body and has a predetermined shape for flaring an end portion of the outer conductor when the body is rotated relative to the coaxial cable. A second projection is movable with respect to the body between an outer conductor engaging position and a disengaged position, the second projection for corrugating the flared end portion of the outer conductor when in the outer conductor engaging position and the body is rotated relative to the coaxial cable.Type: ApplicationFiled: November 24, 2008Publication date: May 27, 2010Applicant: Andrew, LLC, State/Country of Incorporation: North CarolinaInventor: Nahid Islam
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Publication number: 20100112852Abstract: A coaxial connector with a connector body is provided with a connector body bore, an annular ramp surface proximate the cable end of the connector body and a connector body mounting surface proximate the cable end of the connector body. A back body is provided with a back body bore and a back body mounting surface proximate the connector end of the back body, the back body mounting surface dimensioned to couple with the connector body mounting surface via axial compression. A surface grip on an outer conductor section of the back body bore is dimensioned to grip an outer diameter of the outer conductor, whereby the outer conductor is retained within the back body bore during the axial compression. The surface grip may be applied, for example, as a helical burr or a grip ring with a gripping feature.Type: ApplicationFiled: November 5, 2008Publication date: May 6, 2010Applicant: Andrew LLCInventors: Nahid Islam, Jeffery Paynter