EP2218034A4 - Signal processing for light beam sensing - Google Patents

Signal processing for light beam sensing

Info

Publication number: EP2218034A4
Authority: EP; European Patent Office
Prior art keywords: signal processing; light beam; beam sensing; sensing; light
Prior art date: 2007-11-08
Legal status (The legal status 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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP07864101A

Other languages

German (de)

French (fr)

Other versions

EP2218034A1 (en

Inventor

Norio Nakamura

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Optoelectronics Co Ltd

Opticon Inc

Original Assignee

Optoelectronics Co Ltd

Opticon Inc

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.)

2007-11-08

Filing date

2007-11-08

Publication date

2011-01-26

2007-11-08 Application filed by Optoelectronics Co Ltd, Opticon Inc filed Critical Optoelectronics Co Ltd

2010-08-18 Publication of EP2218034A1 publication Critical patent/EP2218034A1/en

2011-01-26 Publication of EP2218034A4 publication Critical patent/EP2218034A4/en

Status Withdrawn legal-status Critical Current

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
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Toxicology (AREA)
Artificial Intelligence (AREA)
Computer Vision & Pattern Recognition (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Optical Radar Systems And Details Thereof (AREA)

EP07864101A 2007-11-08 2007-11-08 Signal processing for light beam sensing Withdrawn EP2218034A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US2007/084071 WO2009061319A1 (en)	2007-11-08	2007-11-08	Signal processing for light beam sensing

Publications (2)

Publication Number	Publication Date
EP2218034A1 EP2218034A1 (en)	2010-08-18
EP2218034A4 true EP2218034A4 (en)	2011-01-26

Family

ID=40626035

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07864101A Withdrawn EP2218034A4 (en)	2007-11-08	2007-11-08	Signal processing for light beam sensing

Country Status (4)

Country	Link
EP (1)	EP2218034A4 (en)
JP (1)	JP2011503712A (en)
CN (1)	CN101855638A (en)
WO (1)	WO2009061319A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102811036A (en) *	2011-05-31	2012-12-05	中兴通讯股份有限公司	Method and device for digital filtering

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0433593A2 (en) *	1989-11-20	1991-06-26	Symbol Technologies, Inc.	Bar code symbol readers with edge enhancement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5588171A (en) *	1978-12-27	1980-07-03	Toshiba Corp	Bar-code reader
JPH06162246A (en) *	1992-11-19	1994-06-10	Nec Eng Ltd	Bar code reader
JP3523705B2 (en) *	1995-03-16	2004-04-26	オリンパス株式会社	Information reproduction system
US7607581B2 (en) *	2003-11-13	2009-10-27	Metrologic Instruments, Inc.	Digital imaging-based code symbol reading system permitting modification of system features and functionalities
AU2003228476A1 (en) *	2002-04-09	2003-10-27	The Escher Group, Ltd.	Encoding and decoding data using angular symbology and beacons
JP4142352B2 (en) *	2002-06-14	2008-09-03	株式会社オプトエレクトロニクス	Module for optical information reader
ATE523854T1 (en) *	2004-01-23	2011-09-15	Intermec Ip Corp	AUTOFOCUS BARCODE SCANNERS AND THE LIKE WITH MICROFLUIDIC LENSES
JP4527411B2 (en) *	2004-01-30	2010-08-18	株式会社オプトエレクトロニクス	Optical information reader
JP4197308B2 (en) *	2004-03-31	2008-12-17	株式会社オプトエレクトロニクス	Optical information reader
US7216811B2 (en) *	2004-04-16	2007-05-15	Microscan Systems Incorporated	Barcode scanner with linear automatic gain control (AGC), modulation transfer function detector, and selectable noise filter

2007
- 2007-11-08 EP EP07864101A patent/EP2218034A4/en not_active Withdrawn
- 2007-11-08 JP JP2010533056A patent/JP2011503712A/en active Pending
- 2007-11-08 WO PCT/US2007/084071 patent/WO2009061319A1/en active Application Filing
- 2007-11-08 CN CN200780101463A patent/CN101855638A/en active Pending

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0433593A2 (en) *	1989-11-20	1991-06-26	Symbol Technologies, Inc.	Bar code symbol readers with edge enhancement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009061319A1 *

Also Published As

Publication number	Publication date
EP2218034A1 (en)	2010-08-18
JP2011503712A (en)	2011-01-27
WO2009061319A1 (en)	2009-05-14
CN101855638A (en)	2010-10-06

Publication	Publication Date	Title
GB2463448B (en)	2012-08-22	Beam sensing
GB0724411D0 (en)	2008-01-30	Optical sensor
PL2241049T3 (en)	2019-09-30	Sounding reference signal arrangement
EP1994503A4 (en)	2014-02-26	Depth-varying light fields for three dimensional sensing
GB0821538D0 (en)	2008-12-31	Optical inspection
GB2441557B (en)	2010-03-17	Radiation device or signal
EP2171430A4 (en)	2010-12-22	Optical property sensor
GB2467277B (en)	2012-12-05	Pulsed X-ray signal processing
GB0820889D0 (en)	2008-12-24	Optical detection system
GB0704206D0 (en)	2007-04-11	Optical position sensitive detector
PL2193332T3 (en)	2019-04-30	Optical triangulation sensor
GB2445162B (en)	2009-06-24	Geophysical signal processing
GB2449171B (en)	2009-09-02	Signal processing method
DK2220837T3 (en)	2013-04-15	signal Detection
GB0721060D0 (en)	2007-12-05	Optical inspection
GB0724264D0 (en)	2008-01-23	Laser processing
EP2227567A4 (en)	2011-03-30	Sensors for measuring contaminants
IL178321A0 (en)	2007-02-11	Optical inspection system
GB0709044D0 (en)	2007-06-20	Signal detection
GB2467724B (en)	2013-06-05	Signal processing
EP2218034A4 (en)	2011-01-26	Signal processing for light beam sensing
EP2010003A4 (en)	2010-09-08	Resonant detector for optical signals
GB0711600D0 (en)	2007-07-25	An optical sensing device
SG10201507797WA (en)	2015-10-29	Optical inspection system
TWI348770B (en)	2011-09-11	Light sensor

Legal Events

Date	Code	Title	Description
2010-07-16	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2010-08-18	17P	Request for examination filed	Effective date: 20100607
2010-08-18	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
2010-08-18	AX	Request for extension of the european patent	Extension state: AL BA HR MK RS
2011-01-26	A4	Supplementary search report drawn up and despatched	Effective date: 20101223
2011-02-16	DAX	Request for extension of the european patent (deleted)
2013-10-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2013-11-13	18D	Application deemed to be withdrawn	Effective date: 20130601