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    Method of communication link acquisition using search pattern
    1.
    发明授权
    Method of communication link acquisition using search pattern 有权

    公开(公告)号：US10461855B1

    公开(公告)日：2019-10-29

    申请号：US16164066

    申请日：2018-10-18

    Applicant: X Development LLC

    Inventor： Paul Csonka ,  Edward Allen Keyes

    IPC: H04B10/27 ,  H04B10/11

    Abstract: Aspects of the disclosure provide for a method of forming a communication link between two communication devices using a primary search pattern and a secondary search pattern. A misalignment between a first optical system of a first communication device and a second optical system of a second communication device is detected. The first optical system is rotated according to the primary search pattern, and the second optical system according to the secondary search pattern. At the second communication device, a set of frames is captured. Then, it is determined whether a beacon beam transmitted from the first communication device is detected in the one or more of the captured frames. When it is determined that the beacon beam is detected, the communication link is formed between the first communication device and the second communication device.

    Wavelength division monolithic optical device
    2.
    发明授权
    Wavelength division monolithic optical device 有权

    公开(公告)号：US09939651B1

    公开(公告)日：2018-04-10

    申请号：US15664424

    申请日：2017-07-31

    Applicant: X Development LLC

    Inventor： Robert Todd Belt ,  Nam-hyong Kim ,  Baris Ibrahim Erkmen ,  Edward Allen Keyes

    IPC: G02B27/14 ,  H04B10/508 ,  H04B10/572 ,  G02B17/04

    CPC classification number: G02B27/145 ,  G02B17/04 ,  G02B27/141 ,  H04B10/508 ,  H04B10/572

    Abstract: An example beam splitting apparatus is assembled from multiple prisms that are assembled together along respective mating surfaces to form a single monolithic optical device. The beam splitting apparatus includes optical features, such as dichroic and reflective surfaces, that define optical paths for light that enters the beam splitting apparatus. The optical features allow photons in the light to be directed along different optical paths based on their wavelengths. The optical features in the beam splitting apparatus are provided by coatings, films, and/or surface treatments applied to any of the faces of the prisms. In particular, coatings, films, and/or surface treatments are applied to the mating surfaces of the prisms so that the optical features are internal to the assembled monolithic optical device. The beam splitting apparatus may be implemented in a communication terminal that exchanges data modulated light according to frequency-division duplex communications.

    Free-space optical communications network
    3.
    发明授权
    Free-space optical communications network 有权

    公开(公告)号：US10763960B1

    公开(公告)日：2020-09-01

    申请号：US16257677

    申请日：2019-01-25

    Applicant: X Development LLC

    Inventor： Martin Schubert ,  Sylvia Smullin ,  Edward Allen Keyes

    IPC: H04B10/112 ,  H04Q11/00

    Abstract: The disclosure provides for a system that includes a plurality of stations equipped for free-space optical communications (FSOC) in a network and a central control system. At least one station in the plurality of stations includes a wavelength selectable switch, an OEO module, and one or more first processors. The one or more first processors are configured to control the wavelength selectable switch, process an electrical signal that is extracted using the OEO module, and communicate with the central control system. The central control system includes one or more second processors that are configured to receive data regarding FSOC communication conditions at the plurality of stations, determine a path between stations through the network based on the received data, and transmit instructions to the plurality of stations.

    Method of communication link acquisition using search pattern
    5.
    发明授权
    Method of communication link acquisition using search pattern 有权

    公开(公告)号：US10686522B1

    公开(公告)日：2020-06-16

    申请号：US16570517

    申请日：2019-09-13

    Applicant: X Development LLC

    Inventor： Paul Csonka ,  Edward Allen Keyes

    IPC: H04B10/27 ,  H04B10/11

    Abstract: Aspects of the disclosure provide for a method of forming a communication link between two communication devices using a primary search pattern and a secondary search pattern. A misalignment between a first optical system of a first communication device and a second optical system of a second communication device is detected. The first optical system is rotated according to the primary search pattern, and the second optical system according to the secondary search pattern. At the second communication device, a set of frames is captured. Then, it is determined whether a beacon beam transmitted from the first communication device is detected in the one or more of the captured frames. When it is determined that the beacon beam is detected, the communication link is formed between the first communication device and the second communication device.

    Free-space optical communications network
    8.
    发明授权
    Free-space optical communications network 有权

    公开(公告)号：US11146331B1

    公开(公告)日：2021-10-12

    申请号：US16935412

    申请日：2020-07-22

    Applicant: X Development LLC

    Inventor： Martin Schubert ,  Sylvia Smullin ,  Edward Allen Keyes

    IPC: H04B10/112 ,  H04B10/118 ,  H04Q11/00

    Abstract: The disclosure provides for a system that includes a plurality of stations equipped for free-space optical communications (FSOC) in a network and a central control system. At least one station in the plurality of stations includes a wavelength selectable switch, an OEO module, and one or more first processors. The one or more first processors are configured to control the wavelength selectable switch, process an electrical signal that is extracted using the OEO module, and communicate with the central control system. The central control system includes one or more second processors that are configured to receive data regarding FSOC communication conditions at the plurality of stations, determine a path between stations through the network based on the received data, and transmit instructions to the plurality of stations.

    Wavelength division monolithic optical device
    10.
    发明授权
    Wavelength division monolithic optical device 有权

    公开(公告)号：US09720243B1

    公开(公告)日：2017-08-01

    申请号：US14986036

    申请日：2015-12-31

    Applicant: X Development LLC

    Inventor： Robert Todd Belt ,  Nam-hyong Kim ,  Baris Ibrahim Erkmen ,  Edward Allen Keyes

    IPC: H04B10/00 ,  G02B27/14 ,  G02B17/04 ,  H04B10/572 ,  H04B10/508

    CPC classification number: G02B27/145 ,  G02B17/04 ,  G02B27/141 ,  H04B10/508 ,  H04B10/572

    Abstract: An example beam splitting apparatus is assembled from multiple prisms that are assembled together along respective mating surfaces to form a single monolithic optical device. The beam splitting apparatus includes optical features, such as dichroic and reflective surfaces, that define optical paths for light that enters the beam splitting apparatus. The optical features allow photons in the light to be directed along different optical paths based on their wavelengths. The optical features in the beam splitting apparatus are provided by coatings, films, and/or surface treatments applied to any of the faces of the prisms. In particular, coatings, films, and/or surface treatments are applied to the mating surfaces of the prisms so that the optical features are internal to the assembled monolithic optical device. The beam splitting apparatus may be implemented in a communication terminal that exchanges data modulated light according to frequency-division duplex communications.

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