JPS546446B2 - - Google Patents
Info
- Publication number
- JPS546446B2 JPS546446B2 JP10674075A JP10674075A JPS546446B2 JP S546446 B2 JPS546446 B2 JP S546446B2 JP 10674075 A JP10674075 A JP 10674075A JP 10674075 A JP10674075 A JP 10674075A JP S546446 B2 JPS546446 B2 JP S546446B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/146—Methods for optical code recognition the method including quality enhancement steps
- G06K7/1486—Setting the threshold-width for bar codes to be decoded
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Character Input (AREA)
- Communication Control (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50106740A JPS5230119A (en) | 1975-09-02 | 1975-09-02 | Bar code discrimination logical circuit |
| GB35060/76A GB1519256A (en) | 1975-09-02 | 1976-08-23 | Code discriminator |
| US05/716,711 US4095096A (en) | 1975-09-02 | 1976-08-23 | Code discriminator |
| CA260,331A CA1072683A (en) | 1975-09-02 | 1976-09-01 | Code discriminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50106740A JPS5230119A (en) | 1975-09-02 | 1975-09-02 | Bar code discrimination logical circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5230119A JPS5230119A (en) | 1977-03-07 |
| JPS546446B2 true JPS546446B2 (show.php) | 1979-03-28 |
Family
ID=14441308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50106740A Granted JPS5230119A (en) | 1975-09-02 | 1975-09-02 | Bar code discrimination logical circuit |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4095096A (show.php) |
| JP (1) | JPS5230119A (show.php) |
| CA (1) | CA1072683A (show.php) |
| GB (1) | GB1519256A (show.php) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2910795C2 (de) * | 1979-03-19 | 1984-01-12 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Vorrichtung zur Erkennung von in Spuren angeordneten strichcodierten Informationen |
| US4272675A (en) * | 1979-05-30 | 1981-06-09 | Ncr Corporation | Symbol processing system |
| US4253018A (en) * | 1979-05-30 | 1981-02-24 | Ncr Corporation | Symbol decoding system |
| US4282426A (en) * | 1979-05-30 | 1981-08-04 | Ncr Corporation | Slot scanning system |
| JPS5654574A (en) * | 1979-10-09 | 1981-05-14 | Nec Corp | Bar code reader |
| US4323772A (en) * | 1980-03-06 | 1982-04-06 | R. J. Reynolds Tobacco Company | Bar code reader system |
| US4414468A (en) * | 1981-05-18 | 1983-11-08 | International Business Machines Corporation | Systematic error correction in bar code scanner |
| US4463250A (en) * | 1981-07-11 | 1984-07-31 | Mcneight David L | Method and apparatus for use against counterfeiting |
| JPS5911363U (ja) * | 1982-07-08 | 1984-01-24 | カシオ計算機株式会社 | バ−コ−ド読取装置 |
| JPS59170973A (ja) * | 1983-03-17 | 1984-09-27 | Nec Home Electronics Ltd | バ−コ−ド読取装置 |
| JPH0782519B2 (ja) * | 1988-05-18 | 1995-09-06 | アルプス電気株式会社 | 符号読取装置 |
| US5189289A (en) * | 1989-05-17 | 1993-02-23 | Fujitsu Limited | Distinguishing bar code types by comparing bar block sizes |
| JPH05108858A (ja) * | 1991-10-18 | 1993-04-30 | Pfu Ltd | バーコード読み取り制御方式 |
| JP2836773B2 (ja) * | 1993-12-20 | 1998-12-14 | 富士通株式会社 | バーコードデータ検出方法及び装置 |
| JP3623003B2 (ja) * | 1995-03-10 | 2005-02-23 | シャープ株式会社 | デジタル情報記録方法および解読方法 |
| US8682077B1 (en) | 2000-11-28 | 2014-03-25 | Hand Held Products, Inc. | Method for omnidirectional processing of 2D images including recognizable characters |
| JP4202101B2 (ja) * | 2002-10-10 | 2008-12-24 | 富士通株式会社 | バーコード認識方法、および認識用デコード処理装置 |
| US8135670B2 (en) * | 2008-07-22 | 2012-03-13 | International Business Machines Corporation | Embedded change logging for data synchronization |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3838251A (en) * | 1971-06-29 | 1974-09-24 | Monarch Marking Systems Inc | Method of interpreting a coded record |
| BE791469A (fr) * | 1971-11-16 | 1973-03-16 | Monarch Marking Systems Inc | Enregistrement code et procede et systeme d'interpretation de cet enregistrement |
| US3784792A (en) * | 1972-03-29 | 1974-01-08 | Monarch Marking Systems Inc | Coded record and methods of and apparatus for encoding and decoding records |
| US3906202A (en) * | 1974-03-01 | 1975-09-16 | Monarch Marking Systems Inc | Data retrieval and error detection method and apparatus designed for use in a width-modulated bar-code scanning apparatus |
| US3959625A (en) * | 1973-12-26 | 1976-05-25 | Casio Computer Co., Ltd. | Coded information-reading device |
| US3916154A (en) * | 1975-01-06 | 1975-10-28 | Singer Co | Method and circuitry for decoding a high density bar code |
-
1975
- 1975-09-02 JP JP50106740A patent/JPS5230119A/ja active Granted
-
1976
- 1976-08-23 US US05/716,711 patent/US4095096A/en not_active Expired - Lifetime
- 1976-08-23 GB GB35060/76A patent/GB1519256A/en not_active Expired
- 1976-09-01 CA CA260,331A patent/CA1072683A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1519256A (en) | 1978-07-26 |
| CA1072683A (en) | 1980-02-26 |
| JPS5230119A (en) | 1977-03-07 |
| US4095096A (en) | 1978-06-13 |