JPS5321818B2 - - Google Patents
Info
- Publication number
- JPS5321818B2 JPS5321818B2 JP6998173A JP6998173A JPS5321818B2 JP S5321818 B2 JPS5321818 B2 JP S5321818B2 JP 6998173 A JP6998173 A JP 6998173A JP 6998173 A JP6998173 A JP 6998173A JP S5321818 B2 JPS5321818 B2 JP S5321818B2
- 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
- G06K7/01—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)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Facsimile Scanning Arrangements (AREA)
- Character Input (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27196172A | 1972-07-14 | 1972-07-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4953331A JPS4953331A (https=) | 1974-05-23 |
| JPS5321818B2 true JPS5321818B2 (https=) | 1978-07-05 |
Family
ID=23037830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6998173A Expired JPS5321818B2 (https=) | 1972-07-14 | 1973-06-22 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3763351A (https=) |
| JP (1) | JPS5321818B2 (https=) |
| CA (1) | CA1000407A (https=) |
| DE (1) | DE2335711C2 (https=) |
| FR (1) | FR2193511A5 (https=) |
| GB (1) | GB1391389A (https=) |
| IT (1) | IT988999B (https=) |
Families Citing this family (16)
| 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 |
| 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 |
| US3887792A (en) * | 1973-12-04 | 1975-06-03 | Scope Inc | Method and device for reading and decoding a delta-distance code |
| US3979577A (en) * | 1973-12-05 | 1976-09-07 | Data General Corporation | Code recognition record medium and technique |
| JPS5615541B2 (https=) * | 1974-08-01 | 1981-04-10 | ||
| US3898689A (en) * | 1974-08-02 | 1975-08-05 | Bell Telephone Labor Inc | Code converter |
| US3932731A (en) * | 1974-08-02 | 1976-01-13 | Bell Telephone Laboratories, Incorporated | Code converter |
| CA1054717A (en) * | 1974-11-20 | 1979-05-15 | E-Systems | Optical reader correlation circuit |
| JPS547661B2 (https=) * | 1975-02-06 | 1979-04-09 | ||
| US4044227A (en) * | 1975-08-07 | 1977-08-23 | The Upjohn Company | Bar code reader |
| DE2843462C2 (de) * | 1978-10-05 | 1986-02-06 | Interflex Datensysteme Gmbh & Co Kg, 7730 Villingen-Schwenningen | Optoelektrischer Code-Kartenleser |
| US4245152A (en) * | 1979-10-23 | 1981-01-13 | International Business Machines Corporation | Decoding method and system for ETAB bar code |
| US4553027A (en) * | 1984-10-03 | 1985-11-12 | Eastman Kodak Company | Apparatus for reading encoded information on a carrier subject to non-uniform motion |
| US4801789A (en) * | 1986-07-07 | 1989-01-31 | Videx, Inc. | Replaceable reader head for optical code reader |
| CA2022269A1 (en) * | 1990-01-05 | 1991-07-06 | Theodosios Pavlidis | Method of decoding bar code symbols from partial scans |
| DE602005023497D1 (de) * | 2005-11-29 | 2010-10-21 | Datalogic Spa | Verfahren, Blenden und optische Empfangsgeräte für verbesserte Tiefenschärfe bei einem linearen optischen Codeleser |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3238501A (en) * | 1962-08-29 | 1966-03-01 | Ncr Co | Optical scanning pen and codedcharacter reading system |
| US3243776A (en) * | 1963-02-08 | 1966-03-29 | Ncr Co | Scanning system for registering and reading characters |
| US3502850A (en) * | 1967-05-25 | 1970-03-24 | Everet F Lindquist | Data sensing system for a document scanner |
| US3708748A (en) * | 1970-04-27 | 1973-01-02 | Ibm | Retrospective pulse modulation and apparatus therefor |
-
1972
- 1972-07-14 US US00271961A patent/US3763351A/en not_active Expired - Lifetime
-
1973
- 1973-05-17 GB GB2349173A patent/GB1391389A/en not_active Expired
- 1973-06-07 CA CA173,457A patent/CA1000407A/en not_active Expired
- 1973-06-12 IT IT25169/73A patent/IT988999B/it active
- 1973-06-13 FR FR7322363A patent/FR2193511A5/fr not_active Expired
- 1973-06-22 JP JP6998173A patent/JPS5321818B2/ja not_active Expired
- 1973-07-13 DE DE2335711A patent/DE2335711C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT988999B (it) | 1975-04-30 |
| GB1391389A (en) | 1975-04-23 |
| CA1000407A (en) | 1976-11-23 |
| DE2335711A1 (de) | 1974-01-24 |
| FR2193511A5 (https=) | 1974-02-15 |
| US3763351A (en) | 1973-10-02 |
| JPS4953331A (https=) | 1974-05-23 |
| DE2335711C2 (de) | 1981-10-15 |