CA981792A - Optical card reader - Google Patents
Optical card readerInfo
- Publication number
- CA981792A CA981792A CA135,660A CA135660A CA981792A CA 981792 A CA981792 A CA 981792A CA 135660 A CA135660 A CA 135660A CA 981792 A CA981792 A CA 981792A
- Authority
- CA
- Canada
- Prior art keywords
- card reader
- optical card
- optical
- reader
- card
- 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
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
- G06K7/01—Details
- G06K7/016—Synchronisation of sensing process
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Credit Cards Or The Like (AREA)
- Conveying Record Carriers (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12094971A | 1971-03-04 | 1971-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA981792A true CA981792A (en) | 1976-01-13 |
Family
ID=22393463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA135,660A Expired CA981792A (en) | 1971-03-04 | 1972-02-28 | Optical card reader |
Country Status (7)
Country | Link |
---|---|
US (1) | US3706887A (it) |
JP (1) | JPS5249694B1 (it) |
CA (1) | CA981792A (it) |
DE (1) | DE2210204C3 (it) |
FR (1) | FR2127997A5 (it) |
GB (1) | GB1367856A (it) |
IT (1) | IT946572B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5548633B2 (it) * | 1972-05-26 | 1980-12-06 | ||
JPS53132225A (en) * | 1977-04-22 | 1978-11-17 | Shinko Electric Co Ltd | Method of identifying read value in label reader |
US5814723A (en) * | 1997-01-24 | 1998-09-29 | Berardinelli; Ted W. | Timing light adapter |
US5831741A (en) * | 1997-06-13 | 1998-11-03 | Xerox Corporation | Method and apparatus for detecting holes in copy media |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3173000A (en) * | 1962-02-21 | 1965-03-09 | Gen Electric | System for synchronizing punched card readers |
US3518440A (en) * | 1967-04-26 | 1970-06-30 | Rochester Datronics Inc | Photoelectric sensing apparatus |
US3524047A (en) * | 1967-08-21 | 1970-08-11 | Ibm | Photosensitive sensing system |
US3560751A (en) * | 1969-02-07 | 1971-02-02 | Ibm | Optical mark sensing device |
-
1971
- 1971-03-04 US US120949A patent/US3706887A/en not_active Expired - Lifetime
-
1972
- 1972-01-14 IT IT19362/72A patent/IT946572B/it active
- 1972-02-16 JP JP47015730A patent/JPS5249694B1/ja active Pending
- 1972-02-24 GB GB852872A patent/GB1367856A/en not_active Expired
- 1972-02-28 CA CA135,660A patent/CA981792A/en not_active Expired
- 1972-02-29 FR FR7207617A patent/FR2127997A5/fr not_active Expired
- 1972-03-03 DE DE2210204A patent/DE2210204C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5249694B1 (it) | 1977-12-19 |
GB1367856A (en) | 1974-09-25 |
DE2210204A1 (de) | 1972-09-14 |
FR2127997A5 (it) | 1972-10-13 |
US3706887A (en) | 1972-12-19 |
DE2210204B2 (de) | 1974-02-14 |
DE2210204C3 (de) | 1974-09-12 |
IT946572B (it) | 1973-05-21 |
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