CH597605A5 - - Google Patents
Info
- Publication number
- CH597605A5 CH597605A5 CH795273A CH795273A CH597605A5 CH 597605 A5 CH597605 A5 CH 597605A5 CH 795273 A CH795273 A CH 795273A CH 795273 A CH795273 A CH 795273A CH 597605 A5 CH597605 A5 CH 597605A5
- Authority
- CH
- Switzerland
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
- 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)
- Length Measuring Devices By Optical Means (AREA)
- Manipulation Of Pulses (AREA)
- Image Input (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25863372A | 1972-06-01 | 1972-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH597605A5 true CH597605A5 (da) | 1978-04-14 |
Family
ID=22981446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH795273A CH597605A5 (da) | 1972-06-01 | 1973-06-01 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3751636A (da) |
JP (1) | JPS5345097B2 (da) |
BE (1) | BE800336A (da) |
CA (1) | CA1005579A (da) |
CH (1) | CH597605A5 (da) |
FR (1) | FR2186653B1 (da) |
GB (1) | GB1408696A (da) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3892950A (en) * | 1974-04-22 | 1975-07-01 | Rca Corp | Average value crossover detector |
US4047047A (en) * | 1974-06-14 | 1977-09-06 | 4K - International A/S | Pulse generator |
US3947769A (en) * | 1974-10-23 | 1976-03-30 | Hoffman Electronics Corporation | Threshold correction system in FSK transmissions |
JPS5818661B2 (ja) * | 1975-05-20 | 1983-04-14 | セイコーエプソン株式会社 | タグヨミトリソウチ |
US4335301A (en) * | 1979-09-27 | 1982-06-15 | Interface Mechanisms, Inc. | Wave shaping circuit for electro-optical code readers |
US5872354A (en) * | 1989-01-31 | 1999-02-16 | Norand Corporation | Hand-held data capture system with interchangable modules including autofocusing data file reader using the slope of the image signal to determine focus |
US5073700A (en) * | 1990-01-10 | 1991-12-17 | Gtech Corporation | Mark sense detector with variable threshold |
US5268564A (en) * | 1990-08-03 | 1993-12-07 | Symbol Technologies, Inc. | Bar code scanner actuated by detection of scanner motion |
US5103080A (en) * | 1990-12-10 | 1992-04-07 | Symbol Technologies, Inc. | Digitizer signal processing circuit for a bar code |
GB2251508A (en) * | 1991-01-03 | 1992-07-08 | Nat Res Dev | Variable threshold apparatus |
JPH04245581A (ja) * | 1991-01-31 | 1992-09-02 | Sumitomo Electric Ind Ltd | 走査速度検出装置およびそれを用いた記号読取装置 |
US5298728A (en) * | 1991-11-01 | 1994-03-29 | Spectra-Physics Scanning System, Inc. | Signal processing apparatus and method |
US5461223A (en) * | 1992-10-09 | 1995-10-24 | Eastman Kodak Company | Bar code detecting circuitry |
US5393967A (en) * | 1993-07-21 | 1995-02-28 | Sensis Corporation | Method and apparatus for non-contact reading of a relief pattern |
JP3447928B2 (ja) * | 1997-09-22 | 2003-09-16 | 富士通株式会社 | バーコード読み取り装置 |
US7782093B2 (en) * | 2007-05-23 | 2010-08-24 | Infineon Technologies Ag | Integrated circuit and method of detecting a signal edge transition |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3659080A (en) * | 1970-07-10 | 1972-04-25 | Pitney Bowes Inc | Photo-electric reader and frequency tone code converter |
FR2100346A5 (da) * | 1970-07-14 | 1972-03-17 | Honeywell Inf Systems Italia | |
US3708655A (en) * | 1971-04-30 | 1973-01-02 | Rca Corp | Article identification apparatus |
-
1972
- 1972-06-01 US US00258633A patent/US3751636A/en not_active Expired - Lifetime
-
1973
- 1973-05-23 GB GB2453173A patent/GB1408696A/en not_active Expired
- 1973-05-24 CA CA172,195A patent/CA1005579A/en not_active Expired
- 1973-05-30 BE BE131780A patent/BE800336A/xx unknown
- 1973-05-30 FR FR7319726A patent/FR2186653B1/fr not_active Expired
- 1973-06-01 JP JP6245673A patent/JPS5345097B2/ja not_active Expired
- 1973-06-01 CH CH795273A patent/CH597605A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2327144A1 (de) | 1973-12-13 |
FR2186653A1 (da) | 1974-01-11 |
FR2186653B1 (da) | 1979-04-06 |
GB1408696A (en) | 1975-10-01 |
JPS5345097B2 (da) | 1978-12-04 |
JPS4957731A (da) | 1974-06-05 |
US3751636A (en) | 1973-08-07 |
BE800336A (fr) | 1973-09-17 |
CA1005579A (en) | 1977-02-15 |
DE2327144B2 (de) | 1976-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |