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公开(公告)号：US20240035925A1
公开(公告)日：2024-02-01
申请号：US18375601
申请日：2023-10-02
Applicant: Panduit Corp.
Inventor： Yu Huang , Jose M. Castro , Surendra Chitti Babu , Andrew R. Matcha , Thomas M. Sedor
CPC classification number: G01M11/31 , B08B1/001 , B08B13/00 , B08B2240/02
Abstract: Various implementations of visual inspector attachments for fiber connector cleaners are disclosed. The example fiber optic inspection module includes a camera to capture an image of an end-face, a light source to illuminate the end-face, and a first mirror that reflects light from the light source to the end-face and includes a fixed point that allows the first mirror to pivot. Alternatively, an example fiber optic inspection module includes a camera to capture an image of an end-face, a light source to illuminate the end-face, and a first mirror that reflects light from the light source to the end-face and the first mirror moves in an upward direction.
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公开(公告)号：US20240004128A1
公开(公告)日：2024-01-04
申请号：US18369947
申请日：2023-09-19
Applicant: Panduit Corp
Inventor： Richard J. Pimpinella , Jose M. Castro , Asher S. Novick , Yu Huang , Bulent Kose
IPC: G02B6/028 , H04B10/69 , G01S7/481 , G01S7/4912 , H01S5/183
CPC classification number: G02B6/0288 , H04B10/691 , G01S7/4818 , G01S7/4917 , H01S5/183 , G02B2006/12121
Abstract: A test apparatus has at least one optical source, a high-speed photodetector, a microcontroller or processor, and electrical circuitry to power and drive the optical source, high-speed photodetector, and microcontroller or processor. The apparatus measures the frequency response and optical path length of a multimode optical fiber under test, utilizes a reference VCSEL spatial spectral launch condition and modal-chromatic dispersion interaction data to estimate the channels total modal-chromatic bandwidth of the fiber under test, and computes and presents the estimated maximum data rate the fiber under test can support.
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公开(公告)号：US11852871B2
公开(公告)日：2023-12-26
申请号：US17736278
申请日：2022-05-04
Applicant: Panduit Corp.
Inventor： Richard J. Pimpinella , Jose M. Castro
IPC: G02B6/38
CPC classification number: G02B6/3821 , G02B6/3831 , G02B6/3863 , G02B6/3877
Abstract: An optical fiber connector ferrule assembly has a ferrule holder and a ferrule partially within the ferrule holder. The ferrule holder has a keying feature for setting the angular orientation of the ferrule assembly within a connector housing. The ferrule includes at least one stand-off feature on the end face of the ferrule for maintaining a controlled air gap spacing when mated to a second compatible ferrule assembly.
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公开(公告)号：US11768327B2
公开(公告)日：2023-09-26
申请号：US17942430
申请日：2022-09-12
Applicant: Panduit Corp.
Inventor： Richard J. Pimpinella , Jose M. Castro , Asher S. Novick , Yu Huang , Bulent Kose
CPC classification number: G02B6/0288 , G01S7/4818 , G01S7/4917 , H01S5/183 , H04B10/691 , G02B2006/12121
Abstract: A test apparatus has at least one optical source, a high-speed photodetector, a microcontroller or processor, and electrical circuitry to power and drive the optical source, high-speed photodetector, and microcontroller or processor. The apparatus measures the frequency response and optical path length of a multimode optical fiber under test, utilizes a reference VCSEL spatial spectral launch condition and modal-chromatic dispersion interaction data to estimate the channels total modal-chromatic bandwidth of the fiber under test, and computes and presents the estimated maximum data rate the fiber under test can support.
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公开(公告)号：US20230155681A1
公开(公告)日：2023-05-18
申请号：US17987368
申请日：2022-11-15
Applicant: Panduit Corp.
Inventor： Richard J. Pimpinella , Jose M. Castro
IPC: H04B10/2525 , G01M11/00 , H04B10/2581
CPC classification number: H04B10/2525 , G01M11/30 , H04B10/2581
Abstract: A method for determining if a graded-index glass optical multimode fiber has a refractive index profile that will compensate modal dispersion with chromatic dispersion when used in an optical channel having a multimode vertical cavity surface emitting laser has at least two weighting functions. The functions are used to compute the relative mode group delays over two radial offset regions within the core of the optical fiber. The peak group delay of the of the higher-order fiber mode distribution is less than the peak group delay of the lower-order mode distribution.
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Patent Agency Ranking
公开(公告)号：US20210297152A1
公开(公告)日：2021-09-23
申请号：US17161116
申请日：2021-01-28
Applicant: Panduit Corp.
Inventor： Jose M. Castro , Richard J. Pimpinella , Bulent Kose , Brett Lane , Yu Huang , Asher S. Novick
IPC: H04B10/073 , H04B10/2581
Abstract: Methods for estimating the Effective Modal Bandwidth (EMB) of laser optimized Multimode Fiber (MMF) at a specified wavelength, λS, based on the measured EMB at a first reference measurement wavelength, λM. In these methods the Differential Mode Delay (DMD) of a MMF is measured and the Effective Modal Bandwidth (EMB) is computed at a first measurement wavelength. By extracting signal features such as centroids, peak power, pulse widths, and skews, as described in this disclosure, the EMB can be estimated at a second specified wavelength with different degrees of accuracy. The first method estimates the EMB at the second specified wavelength based on measurements at the reference wavelength. The second method predicts if the EMB at the second specified wavelength is equal or greater than a specified bandwidth limit.
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公开(公告)号：US10996137B2
公开(公告)日：2021-05-04
申请号：US16725157
申请日：2019-12-23
Applicant: Panduit Corp.
Inventor： Jose M. Castro , Richard J. Pimpinella , Yu Huang , Bulent Kose , Asher S. Novick
Abstract: Examples disclosed herein illustrate systems and methods to determine and evaluate the quality of mechanical splices of optical fibers using insertion loss estimation. In at least some of the disclosed systems and methods, an optical fiber termination system may include a reference fiber coupling a light source and a stub fiber of a fiber optic connector, a digital camera sensor and lens to capture images of scattered light emanating from a portion of the fiber optic connector and a portion of the reference fiber both in a field of view (FOV) of the digital camera sensor, and a processor. The processor may analyze digital images of scatter light emitted from at least a portion of the fiber optic connector and the reference fiber to estimate insertion loss at the fiber optic connector.
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公开(公告)号：US20200174183A1
公开(公告)日：2020-06-04
申请号：US16693980
申请日：2019-11-25
Applicant: Panduit Corp.
Inventor： Richard J. Pimpinella , Jose M. Castro , Asher S. Novick , Yu Huang , Bulent Kose
Abstract: A test apparatus has at least one optical source, a high-speed photodetector, a microcontroller or processor, and electrical circuitry to power and drive the optical source, high-speed photodetector, and microcontroller or processor. The apparatus measures the frequency response and optical path length of a multimode optical fiber under test, utilizes a reference VCSEL spatial spectral launch condition and modal-chromatic dispersion interaction data to estimate the channels total modal-chromatic bandwidth of the fiber under test, and computes and presents the estimated maximum data rate the fiber under test can support.
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公开(公告)号：US20180252875A1
公开(公告)日：2018-09-06
申请号：US15910119
申请日：2018-03-02
Applicant: Panduit Corp.
Inventor： Richard J. Pimpinella , Daniel E. Host , Jose M. Castro
CPC classification number: G02B6/3894 , G02B6/3817 , G02B6/3821 , G02B6/3857 , G02B6/3874 , G02B6/4416
Abstract: A connector assembly has a male portion and a female portion. The male portion has a pair of electrical contacts and ends of a pair of plastic optical fibers attached. The female portion has a set of through-holes configured to accept the electrical contacts of the male portion and the ends of the plastic optical fibers attached to the male portion such that the plastic optical fibers of the male portion abut plastic optical fibers secured to the female portion within the through-holes of the female portion. In one embodiment, the male portion has a cylindrical shroud configured to accept a cylindrical protrusion on the female portion. The female portion also has a nut rotatably attached with internal threads configured to engage external threads located on the cylindrical shroud of the male portion.
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公开(公告)号：US20180040117A1
公开(公告)日：2018-02-08
申请号：US15658565
申请日：2017-07-25
Applicant: Panduit Corp.
Inventor： Jose M. Castro , Richard J. Pimpinella , Yu Huang , Bulent Kose , William Kidd
CPC classification number: G06T7/0004 , G01M11/35 , G02B6/3801 , G02B6/3846 , G06K9/4661 , G06T2207/10048 , G06T2207/30164 , H04N5/2256 , H04N5/23293 , H04N5/332 , H04N5/355
Abstract: Embodiments of the present invention provide an improved method of determining splice losses of mechanically terminated optical connectors in the field, without the need of terminating both sides of the fiber link. Embodiments of the present invention also provide means for improving the quality of mechanical splices as utilized in pre-polished fiber optic connectors for terminating single-mode and multimode optical fibers in the field.
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