HK1041050A1 - Lcd integrated/overhead projector - Google Patents

Lcd integrated/overhead projector

Info

Publication number
HK1041050A1
HK1041050A1 HK02101878.3A HK02101878A HK1041050A1 HK 1041050 A1 HK1041050 A1 HK 1041050A1 HK 02101878 A HK02101878 A HK 02101878A HK 1041050 A1 HK1041050 A1 HK 1041050A1
Authority
HK
Hong Kong
Prior art keywords
overhead projector
lcd integrated
lcd
integrated
projector
Prior art date
Application number
HK02101878.3A
Other languages
Chinese (zh)
Inventor
小E‧M‧羅德里格斯
Original Assignee
美國3M公司
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
Priority claimed from PCT/US1998/022300 external-priority patent/WO2000023846A1/en
Application filed by 美國3M公司 filed Critical 美國3M公司
Publication of HK1041050A1 publication Critical patent/HK1041050A1/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof
    • 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]
    • H04N9/3141—Constructional details thereof
    • 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]
    • H04N9/3197—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using light modulating optical valves
HK02101878.3A 1998-10-21 2002-03-12 Lcd integrated/overhead projector HK1041050A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1998/022300 WO2000023846A1 (en) 1997-04-30 1998-10-21 Lcd integrated/overhead projector

Publications (1)

Publication Number Publication Date
HK1041050A1 true HK1041050A1 (en) 2002-06-28

Family

ID=22268126

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02101878.3A HK1041050A1 (en) 1998-10-21 2002-03-12 Lcd integrated/overhead projector

Country Status (5)

Country Link
EP (1) EP1123527A1 (en)
JP (1) JP2002528747A (en)
KR (1) KR20010107922A (en)
CA (1) CA2344679A1 (en)
HK (1) HK1041050A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101508613B1 (en) * 2013-06-13 2015-04-14 사단법인 한국신용카드 네트워크 Online collecting system for collecting of credit card sales slip which is signed by the client

Also Published As

Publication number Publication date
EP1123527A1 (en) 2001-08-16
CA2344679A1 (en) 2000-04-27
KR20010107922A (en) 2001-12-07
JP2002528747A (en) 2002-09-03

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