公开(公告)号：US10805074B2

公开(公告)日：2020-10-13

申请号：US15580891

申请日：2015-06-11

Applicant: Nokia Technologies Oy

Inventor： David Bitauld

IPC: H04L9/08 ,  H04B10/70 ,  H04B10/2587 ,  H04B10/516 ,  H04B10/85 ,  H04B10/25

Abstract: According to an example aspect, there is provided an apparatus comprising a fibre interface coupled, via a first waveguide, with at least one encoder, a controller configured to cause the at least one encoder to encode light received in the apparatus via the fibre interface with information, and to cause a frequency shift in the light, and wherein the apparatus is configured to cause the light to propagate back to the fibre interface.

公开(公告)号：US10805011B2

公开(公告)日：2020-10-13

申请号：US16084815

申请日：2016-03-29

Applicant: Nokia Technologies Oy

Inventor： David Bitauld ,  Enrique Martin-Lopez

IPC: G02F1/01 ,  H04B10/70 ,  G02F1/21 ,  H04L9/08

Abstract: According to an example aspect of the present invention, there is provided an apparatus comprising a first and a second polarization beam splitter-rotator (140, 142), together arranged to split two incoming polarization encoded qubits into four first optical modes, the apparatus being configured to align polarizations of the four first optical modes, an interferometer stage (150) configured to obtain, from the four first optical modes, four second optical modes, and four detectors (160) arranged to receive at least one of the four second optical modes.

公开(公告)号：US20190026951A1

公开(公告)日：2019-01-24

申请号：US16070962

申请日：2017-01-18

Applicant: Nokia Technologies Oy

Inventor： Arto Lehtiniemi ,  Troels Rønnow ,  Hongwei Li ,  David Bitauld

IPC: G06T19/00 ,  G06T19/20 ,  G06T5/50 ,  G06T7/70 ,  G06T5/00 ,  G06K9/00 ,  H04N5/247

Abstract: In respect of first virtual reality content of a scene captured by a first virtual reality content capture device and second virtual reality content of the same scene captured by a second virtual reality content capture device, the first and second virtual reality content capture devices physically arranged within a predetermined distance of one another in the same scene when the first virtual reality content and the second virtual reality content was captured; provide for display, in virtual reality, of an amalgamated virtual reality space representative of the scene, the amalgamated virtual reality space comprising an amalgamation of both the images or parts thereof of the first virtual reality content and the images or parts thereof of the second virtual reality content.

公开(公告)号：US20180246566A1

公开(公告)日：2018-08-30

申请号：US15443135

申请日：2017-02-27

Applicant: Nokia Technologies Oy

Inventor： David Bitauld

IPC: G06F3/01 ,  G02B27/01 ,  G02B27/00 ,  G02B27/14

CPC classification number: G06F3/013 ,  G02B27/0093 ,  G02B27/0172 ,  G02B2027/014 ,  G02B2027/0178

Abstract: An apparatus including a display; a single pixel detector; and a beam splitter. The beam splitter is located relative to the display and the single pixel detector to allow a projected image from the display to pass through the beam splitter and direct a reflected image from an eye to the single pixel detector, where the reflected image is based at least partially upon the projected image.

公开(公告)号：US10063323B2

公开(公告)日：2018-08-28

申请号：US15316869

申请日：2014-06-09

Applicant: Nokia Technologies Oy

Inventor： David Bitauld ,  Joachim Wabnig ,  Antti Niskanen ,  Hongwei Li

IPC: H04B10/85 ,  H04B10/70 ,  H04B10/54 ,  H04B10/548 ,  H04B10/2507 ,  H04J14/06

CPC classification number: H04B10/85 ,  G02B6/29353 ,  H04B10/0799 ,  H04B10/2572 ,  H04B10/516 ,  H04B10/532 ,  H04B10/541 ,  H04B10/548 ,  H04B10/70 ,  H04J14/06 ,  H04L9/0858

Abstract: In accordance with an example embodiment of the present invention, there is provided an apparatus comprising a dual-rail encoder (120) configured to receive light from a light source and to output dual-rail encoded light, a combiner (130) configured to convert the dual-rail encoded light into polarization encoded light, and at least one processing core configured to obtain compensation adjustment information concerning a fiber (145) and to control the dual-rail encoder (120) based at least in part on the compensation adjustment information.

公开(公告)号：US11561206B2

公开(公告)日：2023-01-24

申请号：US16909238

申请日：2020-06-23

Applicant: Nokia Technologies Oy

Inventor： David Bitauld

IPC: G01N29/24 ,  G01N21/17 ,  G02B6/12 ,  G02B6/124

Abstract: A photoacoustic apparatus, comprising: at least one optical amplifier, configured to produce light; at least one photonic integrated circuit, configured as a tunable light filter; light guiding means, wherein the at least one optical amplifier, at least one photonic integrated circuit and light guiding means are configured as an optical cavity to produce laser light having an optical path within the optical cavity; and at least one acoustic sensor configured to detect sound produced by analyte introduced into the optical path of the laser light.

公开(公告)号：US11558179B2

公开(公告)日：2023-01-17

申请号：US16534514

申请日：2019-08-07

Applicant: Nokia Technologies Oy

Inventor： Edward Fitzgerald ,  Karina Palyutina ,  Enrique Martin Lopez ,  David Bitauld

IPC: H04L29/06 ,  H04L9/06 ,  H03M7/30 ,  H04L9/00

Abstract: According to an example aspect of the present invention, there is provided a method, comprising: receiving an input ordered set of transactions after a genesis block or a preceding compressed block in a chain of blocks, generating a compressed block on the basis of the input ordered set of transactions, wherein processing of the compressed block results to an equivalent final state as processing of the input ordered set of transactions, and providing the compressed block to a distributed network for establishing a new chain epoch and replacing a set of uncompressed blocks associated with the input ordered set of transactions.

公开(公告)号：US11223424B2

公开(公告)日：2022-01-11

申请号：US17267315

申请日：2018-08-10

Applicant: Nokia Technologies Oy

Inventor： David Bitauld

IPC: H04B10/532 ,  H04B10/079 ,  H04B10/548 ,  H04B10/85

Abstract: In accordance with an example embodiment of the present invention, there is provided an apparatus (160) comprising two inputs configured to receive two optical signals from two fibres (155, 157) from two respective optical transmitters, a beam splitter configured to convert the optical signals into dual rail form, the apparatus being configured to cause the optical signals to interfere with each other, a plurality of single photon detectors configured to measure the dual rail form optical signals, and at least one processing core configured to obtain compensation adjustment information concerning the two fibres and to inform the optical transmitters of the compensation adjustment information.

公开(公告)号：US20210344426A1

公开(公告)日：2021-11-04

申请号：US17267315

申请日：2018-08-10

Applicant: Nokia Technologies Oy

Inventor： David Bitauld

IPC: H04B10/532 ,  H04B10/85 ,  H04B10/548 ,  H04B10/079

Abstract: In accordance with an example embodiment of the present invention, there is provided an apparatus (160) comprising two inputs configured to receive two optical signals from two fibres (155, 157) from two respective optical transmitters, a beam splitter configured to convert the optical signals into dual rail form, the apparatus being configured to cause the optical signals to interfere with each other, a plurality of single photon detectors configured to measure the dual rail form optical signals, and at least one processing core configured to obtain compensation adjustment information concerning the two fibres and to inform the optical transmitters of the compensation adjustment information.

公开(公告)号：US20210192446A1

公开(公告)日：2021-06-24

申请号：US16757469

申请日：2018-10-26

Applicant: Nokia Technologies Oy

Inventor： David Bitauld ,  Hongwei Li ,  Enrique Martin-Lopez ,  Karina Palyutina ,  Troels F. Roennow

IPC: G06Q10/08 ,  H04L9/32

Abstract: According to an example aspect of the present invention, there is provided a method, comprising: defining a delivery identifier for delivery of goods from a sender to a receiver, defining a relay for the delivery of goods, selecting one or more sender couriers to send the goods to the relay and/or selecting one or more receiver couriers to receive the goods from the relay, generating for the goods delivery a smart contract comprising cryptographic tokens for confirming delivery, wherein the smart contract is a computerized transaction protocol and is configured to validate delivery of the goods on the basis of tokens from the couriers, providing the smart contract for the goods delivery to the distributed network, and providing the cryptographic tokens, the delivery identifier and an identifier of the relay to the selected one or more couriers.