NL7209003A - - Google Patents
Info
- Publication number
- NL7209003A NL7209003A NL7209003A NL7209003A NL7209003A NL 7209003 A NL7209003 A NL 7209003A NL 7209003 A NL7209003 A NL 7209003A NL 7209003 A NL7209003 A NL 7209003A NL 7209003 A NL7209003 A NL 7209003A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1411—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol conversion to or from pulse width coding
-
- 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)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Dc Digital Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15879971A | 1971-07-01 | 1971-07-01 | |
| US23725672A | 1972-03-23 | 1972-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7209003A true NL7209003A (en) | 1973-01-03 |
Family
ID=26855397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7209003A NL7209003A (en) | 1971-07-01 | 1972-06-29 |
Country Status (7)
| Country | Link |
|---|---|
| CA (1) | CA955685A (en) |
| DE (1) | DE2230067A1 (en) |
| ES (1) | ES404459A1 (en) |
| FR (1) | FR2143920A1 (en) |
| GB (1) | GB1400561A (en) |
| NL (1) | NL7209003A (en) |
| SE (1) | SE383950B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2443170A1 (en) * | 1974-11-08 | 1980-06-27 | Ibm | METHOD FOR ENCODING DATA IN F2F CODE, AND METHOD AND APPARATUS FOR INTERPRETATION OF SUCH DATA |
| FR2446561A1 (en) * | 1974-12-31 | 1980-08-08 | Ibm | Reader for distorted two-frequency bar code data - compensates for print speed and acceleration e.g. of hand-held probe |
| GB8803504D0 (en) * | 1988-02-16 | 1988-03-16 | Mr Sensors Ltd | Method of decoding recorded data |
| MY106779A (en) * | 1990-09-07 | 1995-07-31 | Mitsubishi Heavy Ind Ltd | Magnetic recording method and circuit for toll road ticket. |
| US5708261A (en) * | 1995-10-02 | 1998-01-13 | Pitney Bowes Inc. | Bar code decoding with speed compensation |
-
1972
- 1972-06-02 CA CA143,760A patent/CA955685A/en not_active Expired
- 1972-06-09 GB GB2698472A patent/GB1400561A/en not_active Expired
- 1972-06-20 DE DE19722230067 patent/DE2230067A1/en active Pending
- 1972-06-29 NL NL7209003A patent/NL7209003A/xx unknown
- 1972-06-30 FR FR7223701A patent/FR2143920A1/fr not_active Withdrawn
- 1972-07-01 ES ES404459A patent/ES404459A1/en not_active Expired
- 1972-07-03 SE SE871472A patent/SE383950B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2230067A1 (en) | 1973-01-11 |
| SE383950B (en) | 1976-04-05 |
| ES404459A1 (en) | 1976-03-01 |
| FR2143920A1 (en) | 1973-02-09 |
| GB1400561A (en) | 1975-07-16 |
| CA955685A (en) | 1974-10-01 |