GB201317794D0 - Method and apparatus for wireless video transmission using reflection - Google Patents

Method and apparatus for wireless video transmission using reflection

Info

Publication number
GB201317794D0
GB201317794D0 GB201317794A GB201317794A GB201317794D0 GB 201317794 D0 GB201317794 D0 GB 201317794D0 GB 201317794 A GB201317794 A GB 201317794A GB 201317794 A GB201317794 A GB 201317794A GB 201317794 D0 GB201317794 D0 GB 201317794D0
Authority
GB
United Kingdom
Prior art keywords
reflection
video transmission
wireless video
wireless
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB201317794A
Other versions
GB2519093B (en
GB2519093A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to GB1317794.4A priority Critical patent/GB2519093B/en
Publication of GB201317794D0 publication Critical patent/GB201317794D0/en
Publication of GB2519093A publication Critical patent/GB2519093A/en
Application granted granted Critical
Publication of GB2519093B publication Critical patent/GB2519093B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
    • H01Q19/062—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Projection Apparatus (AREA)
GB1317794.4A 2013-10-08 2013-10-08 Method and apparatus for wireless video transmission using reflection Active GB2519093B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1317794.4A GB2519093B (en) 2013-10-08 2013-10-08 Method and apparatus for wireless video transmission using reflection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1317794.4A GB2519093B (en) 2013-10-08 2013-10-08 Method and apparatus for wireless video transmission using reflection

Publications (3)

Publication Number Publication Date
GB201317794D0 true GB201317794D0 (en) 2013-11-20
GB2519093A GB2519093A (en) 2015-04-15
GB2519093B GB2519093B (en) 2018-05-23

Family

ID=49630373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1317794.4A Active GB2519093B (en) 2013-10-08 2013-10-08 Method and apparatus for wireless video transmission using reflection

Country Status (1)

Country Link
GB (1) GB2519093B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965837B2 (en) * 2003-04-30 2011-06-21 Sony Corporation Method and system for wireless digital video presentation
JP2005208418A (en) * 2004-01-23 2005-08-04 Seiko Epson Corp Screen for projection and radio projection system using the same
US8724605B2 (en) * 2010-07-29 2014-05-13 Nec Laboratories America, Inc. Multicast video and data delivery with beamforming antennas in indoor wireless networks
GB2505944A (en) * 2012-09-17 2014-03-19 Canon Kk A video projector, a duster of video projectors and a method for wirelessly transmitting image data within the cluster of video projectors

Also Published As

Publication number Publication date
GB2519093B (en) 2018-05-23
GB2519093A (en) 2015-04-15

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