IT971788B - Apparecchio per trasformare dei segnali modulati in segnali ad onda quadra particolarmente per il riconoscimento automatico di etichette codificate - Google Patents
Apparecchio per trasformare dei segnali modulati in segnali ad onda quadra particolarmente per il riconoscimento automatico di etichette codificateInfo
- Publication number
- IT971788B IT971788B IT3281572A IT3281572A IT971788B IT 971788 B IT971788 B IT 971788B IT 3281572 A IT3281572 A IT 3281572A IT 3281572 A IT3281572 A IT 3281572A IT 971788 B IT971788 B IT 971788B
- Authority
- IT
- Italy
- Prior art keywords
- equipment
- square wave
- automatic recognition
- coded labels
- signals
- Prior art date
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
- G06K7/10—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
- G06K7/10861—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 sensing of data fields affixed to objects or articles, e.g. coded labels
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/02—Details
- H03D1/04—Modifications of demodulators to reduce interference by undesired signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
- H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
- H03K5/084—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold modified by switching, e.g. by a periodic signal or by a signal in synchronism with the transitions of the output signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
- H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
- H03K5/086—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold generated by feedback
- H03K5/088—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold generated by feedback modified by switching, e.g. by a periodic signal or by a signal in synchronism with the transitions of the output signal
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Nonlinear Science (AREA)
- Artificial Intelligence (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Manipulation Of Pulses (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20721471A | 1971-12-13 | 1971-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT971788B true IT971788B (it) | 1974-05-10 |
Family
ID=22769638
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3281572A IT971788B (it) | 1971-12-13 | 1972-12-13 | Apparecchio per trasformare dei segnali modulati in segnali ad onda quadra particolarmente per il riconoscimento automatico di etichette codificate |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4866962A (it) |
CA (1) | CA974607A (it) |
DE (1) | DE2260022B2 (it) |
FR (1) | FR2163481B1 (it) |
GB (1) | GB1385040A (it) |
IT (1) | IT971788B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51129131A (en) * | 1975-05-01 | 1976-11-10 | Omron Tateisi Electronics Co | Analog-digital conversion circuit |
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 |
JPS6010351B2 (ja) * | 1976-01-28 | 1985-03-16 | 株式会社デンソー | バ−コ−ド読取装置 |
NL8300686A (nl) * | 1983-02-24 | 1984-09-17 | Philips Nv | Inrichting voor het omzetten van een analoog videosignaal in een tweewaardig signaal. |
DE4220484C2 (de) * | 1992-06-23 | 1997-06-19 | Warner Music Mfg Europa Gmbh | Vorrichtung zum Lesen von Strichcodes |
-
1972
- 1972-11-15 CA CA156,507A patent/CA974607A/en not_active Expired
- 1972-11-30 GB GB5536572A patent/GB1385040A/en not_active Expired
- 1972-12-06 FR FR7243355A patent/FR2163481B1/fr not_active Expired
- 1972-12-07 DE DE19722260022 patent/DE2260022B2/de active Pending
- 1972-12-13 IT IT3281572A patent/IT971788B/it active
- 1972-12-13 JP JP47125725A patent/JPS4866962A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2260022A1 (de) | 1973-06-20 |
DE2260022B2 (de) | 1976-10-21 |
FR2163481B1 (it) | 1978-03-24 |
FR2163481A1 (it) | 1973-07-27 |
GB1385040A (en) | 1975-02-26 |
JPS4866962A (it) | 1973-09-13 |
CA974607A (en) | 1975-09-16 |
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