JPS6242316B2 - - Google Patents
Info
- Publication number
- JPS6242316B2 JPS6242316B2 JP4337778A JP4337778A JPS6242316B2 JP S6242316 B2 JPS6242316 B2 JP S6242316B2 JP 4337778 A JP4337778 A JP 4337778A JP 4337778 A JP4337778 A JP 4337778A JP S6242316 B2 JPS6242316 B2 JP S6242316B2
- Authority
- JP
- Japan
- Prior art keywords
- ratio
- decoding
- register
- signal
- circuit
- Prior art date
- 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
- 238000005259 measurement Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 36
- 238000012937 correction Methods 0.000 claims description 29
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 description 17
- 238000004364 calculation method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 11
- 238000012546 transfer Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000010200 validation analysis Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 102220492605 Numb-like protein_S17A_mutation Human genes 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010420 art technique Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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
- G06K7/10881—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 constructional details of hand-held scanners
-
- 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
- G06K7/01—Details
- G06K7/016—Synchronisation of sensing process
- G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Character Discrimination (AREA)
- Printers Characterized By Their Purpose (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78785577A | 1977-04-15 | 1977-04-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53129535A JPS53129535A (en) | 1978-11-11 |
| JPS6242316B2 true JPS6242316B2 (fr) | 1987-09-08 |
Family
ID=25142714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4337778A Granted JPS53129535A (en) | 1977-04-15 | 1978-04-14 | Method of and device for reading and decoding high packing density bar code |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS53129535A (fr) |
| BE (1) | BE866018A (fr) |
| CA (1) | CA1110362A (fr) |
| DE (1) | DE2811701C2 (fr) |
| FR (1) | FR2387478A1 (fr) |
| GB (1) | GB1604063A (fr) |
| NL (1) | NL182105C (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4282426A (en) * | 1979-05-30 | 1981-08-04 | Ncr Corporation | Slot scanning system |
| US4272675A (en) * | 1979-05-30 | 1981-06-09 | Ncr Corporation | Symbol processing system |
| US4308455A (en) * | 1980-06-26 | 1981-12-29 | E. I. Du Pont De Nemours And Company | Method for decoding bar-coded labels |
| US4414468A (en) * | 1981-05-18 | 1983-11-08 | International Business Machines Corporation | Systematic error correction in bar code scanner |
| JPS57204977A (en) * | 1981-06-11 | 1982-12-15 | Nippon Denso Co Ltd | Method and device for bar code read |
| US4421978A (en) * | 1981-08-20 | 1983-12-20 | International Business Machines Corporation | Decoding method for multicharacter labels |
| JPS61152149U (fr) * | 1986-02-27 | 1986-09-20 | ||
| JP2718442B2 (ja) * | 1993-12-20 | 1998-02-25 | 富士通株式会社 | バーコード復調方法及び装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3784792A (en) * | 1972-03-29 | 1974-01-08 | Monarch Marking Systems Inc | Coded record and methods of and apparatus for encoding and decoding records |
| DE2310412C3 (de) * | 1973-03-02 | 1979-04-12 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Verfahren zum Lesen von Codes und Vorrichtungen zur Durchführung des Verfahrens |
| US3887792A (en) * | 1973-12-04 | 1975-06-03 | Scope Inc | Method and device for reading and decoding a delta-distance code |
| US3854036A (en) * | 1974-02-27 | 1974-12-10 | Singer Co | Tag reader to digital processor interface circuit |
| US3909787A (en) * | 1974-07-01 | 1975-09-30 | Ibm | Candidate selection processor |
| US3916154A (en) * | 1975-01-06 | 1975-10-28 | Singer Co | Method and circuitry for decoding a high density bar code |
| US4058708A (en) * | 1975-12-05 | 1977-11-15 | Msi Data Corporation | Bar code reader and decoder |
-
1978
- 1978-03-13 GB GB979878A patent/GB1604063A/en not_active Expired
- 1978-03-15 CA CA299,005A patent/CA1110362A/fr not_active Expired
- 1978-03-17 DE DE19782811701 patent/DE2811701C2/de not_active Expired
- 1978-04-06 NL NL7803679A patent/NL182105C/xx not_active IP Right Cessation
- 1978-04-12 FR FR7810765A patent/FR2387478A1/fr active Granted
- 1978-04-14 BE BE186823A patent/BE866018A/fr not_active IP Right Cessation
- 1978-04-14 JP JP4337778A patent/JPS53129535A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53129535A (en) | 1978-11-11 |
| DE2811701C2 (de) | 1983-10-06 |
| FR2387478B1 (fr) | 1984-05-25 |
| FR2387478A1 (fr) | 1978-11-10 |
| CA1110362A (fr) | 1981-10-06 |
| GB1604063A (en) | 1981-12-02 |
| NL182105C (nl) | 1991-05-16 |
| NL7803679A (nl) | 1978-10-17 |
| NL182105B (nl) | 1987-08-03 |
| DE2811701A1 (de) | 1978-10-19 |
| BE866018A (fr) | 1978-07-31 |
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