HK1022071A1 - Contrast enhancing illuminator - Google Patents

Contrast enhancing illuminator

Info

Publication number
HK1022071A1
HK1022071A1 HK00100927A HK00100927A HK1022071A1 HK 1022071 A1 HK1022071 A1 HK 1022071A1 HK 00100927 A HK00100927 A HK 00100927A HK 00100927 A HK00100927 A HK 00100927A HK 1022071 A1 HK1022071 A1 HK 1022071A1
Authority
HK
Hong Kong
Prior art keywords
contrast enhancing
illuminator
enhancing illuminator
contrast
enhancing
Prior art date
Application number
HK00100927A
Other languages
English (en)
Inventor
Herbert D Zeman
Original Assignee
Herbert D Zeman
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25065535&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1022071(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Herbert D Zeman filed Critical Herbert D Zeman
Publication of HK1022071A1 publication Critical patent/HK1022071A1/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B21/00—Teaching, or communicating with, the blind, deaf or mute
    • G09B21/001—Teaching or communicating with blind persons
    • G09B21/008—Teaching or communicating with blind persons using visual presentation of the information for the partially sighted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Studio Devices (AREA)
  • Projection Apparatus (AREA)
HK00100927A 1996-12-09 2000-02-17 Contrast enhancing illuminator HK1022071A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/762,599 US5969754A (en) 1996-12-09 1996-12-09 Contrast enhancing illuminator
PCT/US1997/019658 WO1998026583A1 (en) 1996-12-09 1997-10-27 Contrast enhancing illuminator

Publications (1)

Publication Number Publication Date
HK1022071A1 true HK1022071A1 (en) 2000-07-21

Family

ID=25065535

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00100927A HK1022071A1 (en) 1996-12-09 2000-02-17 Contrast enhancing illuminator

Country Status (6)

Country Link
US (1) US5969754A (xx)
JP (1) JP3276637B2 (xx)
AU (1) AU5241298A (xx)
GB (1) GB2334401B (xx)
HK (1) HK1022071A1 (xx)
WO (1) WO1998026583A1 (xx)

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Also Published As

Publication number Publication date
JP2001522544A (ja) 2001-11-13
GB2334401A (en) 1999-08-18
AU5241298A (en) 1998-07-03
US5969754A (en) 1999-10-19
GB2334401B (en) 2001-08-22
WO1998026583A1 (en) 1998-06-18
JP3276637B2 (ja) 2002-04-22
GB9913201D0 (en) 1999-08-04

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Effective date: 20171026