KR920016974A - Error scanning correction device of laser scanner - Google Patents

Error scanning correction device of laser scanner Download PDF

Info

Publication number
KR920016974A
KR920016974A KR1019910003111A KR910003111A KR920016974A KR 920016974 A KR920016974 A KR 920016974A KR 1019910003111 A KR1019910003111 A KR 1019910003111A KR 910003111 A KR910003111 A KR 910003111A KR 920016974 A KR920016974 A KR 920016974A
Authority
KR
South Korea
Prior art keywords
laser scanner
piezoelectric actuator
error
mirror
scanned
Prior art date
Application number
KR1019910003111A
Other languages
Korean (ko)
Other versions
KR930009160B1 (en
Inventor
정종현
Original Assignee
김희수
금성기전 주식회사
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 김희수, 금성기전 주식회사 filed Critical 김희수
Priority to KR1019910003111A priority Critical patent/KR930009160B1/en
Publication of KR920016974A publication Critical patent/KR920016974A/en
Application granted granted Critical
Publication of KR930009160B1 publication Critical patent/KR930009160B1/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

Abstract

내용 없음No content

Description

레이저 스캐너의 에러스캐닝 보정장치Error scanning correction device of laser scanner

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명에 따른 레이저 스캐너의 시스템 구성도, 제4도는 본 발명에 다른 데이타 판독흐름도, 제5도는 본 발명에 따른 압전 엑튜에터 연결상태도.3 is a system configuration diagram of a laser scanner according to the present invention, FIG. 4 is a data read flow diagram according to the present invention, and FIG. 5 is a piezoelectric actuator connection state according to the present invention.

Claims (2)

레이저 다이오드(1)와 바코드 라벨(2) 및 컨베이브 미러(2)와 판넬 미러(4) 스캐닐 모터(5), 포토 다이오드(6)와 데이타 판독부(7)를 포함하는 레이저 스캐너 시스템 구성에 있어서, 레이저 스캐너의 바코드면에 빔이 주사되는 위치를 변경시켜 주므로서 훼손된 바코드 라벨로 부터 발생되는 에러율을 줄여주도록 구성된 것을 특징으로 하는 레이저 스캐너의 에러 스캐닝 보정장치.Laser scanner system comprising laser diode (1), barcode label (2), conveyor mirror (2), panel mirror (4), scanel motor (5), photodiode (6) and data reader (7) An error scanning correction apparatus for a laser scanner according to claim 1, wherein the error rate generated from the damaged barcode label is reduced by changing the position where the beam is scanned on the barcode surface of the laser scanner. 제1항에 있어서, 레이저 스캐너의 바코드면에 빔이 주사되는 위치를 변경하기 위해 판넬 미러(4)와 스캐닝 모터(5) 사이에 장착되어 압전 엑튜이터 제어부(9)의 제어에 따라 판넬 미러(4)의 기울기를 화시켜 바코드면에 주사되는 주사위치를 변경시켜주는 압전 엑튜에터(8)와, 데이타 판독부(7)로 부터 판독 에러신호가 출력될때 상기 압전 엑튜에터(8)와, 데이타 판독부(7)로 부터 판독 에라신호가 출력될때 상기 압전 엑튜에터(8)에 전압을 인가하여 안전 엑튜에터가 구부러지는 정도를 변화시켜 판넬 미러(4)의 기울기가 변화되게 하는 압전 엑튜에터 제어부(9)를 포함하여 구성되는 것을 특징으로 하는 레이저 스캐너의 에러 스캐닝 보정장치.The method of claim 1, wherein the panel mirror (4) is mounted between the panel mirror (4) and the scanning motor (5) to change the position at which the beam is scanned on the barcode surface of the laser scanner. 4) a piezoelectric actuator 8 for converting the dice scanned on the bar code surface by inclination of 4), and when the read error signal is outputted from the data reading unit 7, the piezoelectric actuator 8 and the piezoelectric actuator 8; When the reading error signal is output from the data reading unit 7, a voltage is applied to the piezoelectric actuator 8 to change the degree of bending of the safety actuator so that the inclination of the panel mirror 4 is changed. An error scanning correction apparatus for a laser scanner, comprising a piezoelectric actuator control unit (9). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910003111A 1991-02-26 1991-02-26 Error scanning correcting apparatus of laser scanner KR930009160B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910003111A KR930009160B1 (en) 1991-02-26 1991-02-26 Error scanning correcting apparatus of laser scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910003111A KR930009160B1 (en) 1991-02-26 1991-02-26 Error scanning correcting apparatus of laser scanner

Publications (2)

Publication Number Publication Date
KR920016974A true KR920016974A (en) 1992-09-25
KR930009160B1 KR930009160B1 (en) 1993-09-23

Family

ID=19311512

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910003111A KR930009160B1 (en) 1991-02-26 1991-02-26 Error scanning correcting apparatus of laser scanner

Country Status (1)

Country Link
KR (1) KR930009160B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100346808B1 (en) * 1998-07-17 2002-08-01 후지쯔 가부시끼가이샤 Optical reader having inclinable stage which mounts optical unit thereon

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100346808B1 (en) * 1998-07-17 2002-08-01 후지쯔 가부시끼가이샤 Optical reader having inclinable stage which mounts optical unit thereon

Also Published As

Publication number Publication date
KR930009160B1 (en) 1993-09-23

Similar Documents

Publication Publication Date Title
US5750976A (en) Optical system for scanning and reading bar codes which is adapted to be configured in a hand held unit
EP0341717A3 (en) Mirrorless scanners with movable lase, optical and sensor components
US5216230A (en) Laser beam scanner
EP0652530A3 (en) Reader device or laser scanner for reading characters with different reflectance values, particularly bar codes.
DE69130060T2 (en) Laser scanner with combined scanning area
EP0446364A4 (en) Laser scanner for bar code reader
WO2000011447A3 (en) Method for generating multiple scan lines in a thin scanner
EP0661660A3 (en) Optical scanner
KR920011007A (en) Laser beam generation control device for optical bar code scanner
US6547145B2 (en) Resonant motor driver system for data reading
ATE339734T1 (en) AFFORDABLE BAR CODE READER
KR920016974A (en) Error scanning correction device of laser scanner
US5999301A (en) Optical scanning device
CA2031824C (en) Symbol reader
JPH02136984A (en) Laser scanner
JPH0749920A (en) Device and method for read and write
EP0373934A3 (en) Hand-held bar code reader
KR930006800B1 (en) Piezzo actuator control apparatus
DE69230751T2 (en) Laser beam scanner
JP4303826B2 (en) Scan motor control method
KR910018932A (en) Optical Signal Automatic Gain Control Device of Bar Code Laser Scanner
EP0375340A3 (en) Optical scanner
JP3077419B2 (en) Portable optical information reader
JPH0782516B2 (en) Scanning width variable hand scanner
JPH08202802A (en) Bar code reader

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19971227

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee