TW200708762A - Linear light source for enhancing uniformity of beaming light within the beaming light's effective - Google Patents

Linear light source for enhancing uniformity of beaming light within the beaming light's effective

Info

Publication number
TW200708762A
TW200708762A TW095116059A TW95116059A TW200708762A TW 200708762 A TW200708762 A TW 200708762A TW 095116059 A TW095116059 A TW 095116059A TW 95116059 A TW95116059 A TW 95116059A TW 200708762 A TW200708762 A TW 200708762A
Authority
TW
Taiwan
Prior art keywords
light
beaming
uniformity
guide bar
light guide
Prior art date
Application number
TW095116059A
Other languages
English (en)
Inventor
Rong-Yaw Wu
Chih-Ming Yen
Shih-Che Chen
Original Assignee
Pixon Technologies Corp
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 Pixon Technologies Corp filed Critical Pixon Technologies Corp
Publication of TW200708762A publication Critical patent/TW200708762A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02825—Using a single or a few point light sources, e.g. a laser diode in combination with at least one reflector which is fixed in relation to the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/0284—Using a single or a few point light sources, e.g. a laser diode in combination with a light integrating, concentrating or diffusing cavity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
    • H04N1/0289—Light diffusing elements, e.g. plates or filters
TW095116059A 2005-08-22 2006-05-05 Linear light source for enhancing uniformity of beaming light within the beaming light's effective TW200708762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/207,836 US7267467B2 (en) 2004-06-02 2005-08-22 Linear light source for enhancing uniformity of beaming light within the beaming light's effective focal range

Publications (1)

Publication Number Publication Date
TW200708762A true TW200708762A (en) 2007-03-01

Family

ID=37858497

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095116059A TW200708762A (en) 2005-08-22 2006-05-05 Linear light source for enhancing uniformity of beaming light within the beaming light's effective

Country Status (4)

Country Link
US (1) US7267467B2 (zh)
JP (1) JP5137000B2 (zh)
CN (1) CN1928423A (zh)
TW (1) TW200708762A (zh)

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Also Published As

Publication number Publication date
CN1928423A (zh) 2007-03-14
US7267467B2 (en) 2007-09-11
JP2007060653A (ja) 2007-03-08
US20050276064A1 (en) 2005-12-15
JP5137000B2 (ja) 2013-02-06

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