SG43421A1 - Optical reader - Google Patents

Optical reader

Info

Publication number
SG43421A1
SG43421A1 SG1996010775A SG1996010775A SG43421A1 SG 43421 A1 SG43421 A1 SG 43421A1 SG 1996010775 A SG1996010775 A SG 1996010775A SG 1996010775 A SG1996010775 A SG 1996010775A SG 43421 A1 SG43421 A1 SG 43421A1
Authority
SG
Singapore
Prior art keywords
optical reader
reader
optical
Prior art date
Application number
SG1996010775A
Inventor
Atsushi Nakazawa
Shigenori Hayashi
Original Assignee
Sumitomo Electric Industries
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 Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of SG43421A1 publication Critical patent/SG43421A1/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/28—Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
SG1996010775A 1995-10-02 1996-10-01 Optical reader SG43421A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7255256A JPH0997304A (en) 1995-10-02 1995-10-02 Optical information reader

Publications (1)

Publication Number Publication Date
SG43421A1 true SG43421A1 (en) 1997-10-17

Family

ID=17276223

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996010775A SG43421A1 (en) 1995-10-02 1996-10-01 Optical reader

Country Status (4)

Country Link
JP (1) JPH0997304A (en)
KR (1) KR100236690B1 (en)
SG (1) SG43421A1 (en)
TW (1) TW312779B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4058529B2 (en) * 2003-09-08 2008-03-12 株式会社デンソーウェーブ Optical information reader

Also Published As

Publication number Publication date
KR970023225A (en) 1997-05-30
TW312779B (en) 1997-08-11
KR100236690B1 (en) 2000-02-01
JPH0997304A (en) 1997-04-08

Similar Documents

Publication Publication Date Title
GB2306695B (en) Peripheral optical element
EP0694873A3 (en) Optical card
EP0723171A3 (en) Optical module
EP0573018A3 (en) Optical readers
GB9610618D0 (en) Optical device
GB9403925D0 (en) Optical system
GB9609858D0 (en) Optical scanner
GB9603917D0 (en) Optical scanner
GB2297390B (en) Optical scanner
GB2304204B (en) Optical device
GB9501973D0 (en) Optical filtering
HK1017758A1 (en) Optical card
IT1285224B1 (en) OPTICAL READER
SG52711A1 (en) Optical device
EP0758753A3 (en) Diffractive optical elements
GB9514345D0 (en) Glasses
EP0737872A3 (en) Optical branching element
GB2282235B (en) Optical star-coupler
SG43421A1 (en) Optical reader
GB2298517B (en) Optical read device
IT1285223B1 (en) OPTICAL READER
PL55651Y1 (en) Optical reader
GB2307304B (en) Optical device
GB9520168D0 (en) Optical mousepen
GB9501011D0 (en) CD-Book reader