IT1039027B - Converittote di segnale perfezionato - Google Patents

Converittote di segnale perfezionato

Info

Publication number: IT1039027B
Authority: IT; Italy
Prior art keywords: converittee; improved signal; improved; signal; signal converittee
Prior art date: 1974-08-09

Application number

IT24420/75A

Other languages

English (en)

Original Assignee

Ibm

Priority date (The priority date 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 date listed.)

1974-08-09

Filing date

1975-06-17

Publication date

1979-12-10

1975-06-17 Application filed by Ibm filed Critical Ibm

1979-12-10 Application granted granted Critical

1979-12-10 Publication of IT1039027B publication Critical patent/IT1039027B/it

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
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
- 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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Electromagnetism (AREA)
Toxicology (AREA)
Computer Vision & Pattern Recognition (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Multimedia (AREA)
Artificial Intelligence (AREA)
Nonlinear Science (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Manipulation Of Pulses (AREA)
Facsimile Image Signal Circuits (AREA)
Dc Digital Transmission (AREA)
Picture Signal Circuits (AREA)
Measurement Of Current Or Voltage (AREA)

IT24420/75A 1974-08-09 1975-06-17 Converittote di segnale perfezionato IT1039027B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US496235A US3912943A (en)	1974-08-09	1974-08-09	Video thresholder

Publications (1)

Publication Number	Publication Date
IT1039027B true IT1039027B (it)	1979-12-10

Family

ID=23971803

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT24420/75A IT1039027B (it)	1974-08-09	1975-06-17	Converittote di segnale perfezionato

Country Status (8)

Country	Link
US (1)	US3912943A (it)
JP (1)	JPS541531B2 (it)
BR (1)	BR7505040A (it)
CA (1)	CA1048157A (it)
DE (1)	DE2532358A1 (it)
FR (1)	FR2281680A1 (it)
GB (1)	GB1468624A (it)
IT (1)	IT1039027B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4058705A (en) *	1976-02-05	1977-11-15	Cannon John W	Magnetic card reader
DE2800759C3 (de) *	1978-01-09	1984-08-23	Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel	Verfahren zur Umwandlung eines Videosignals in ein Zwei-Pegel-Signal
FR2425780A1 (fr) *	1978-05-12	1979-12-07	Cit Alcatel	Convertisseur auto-adaptatif en tout ou rien d'un signal d'analyse d'image
DE2837139C3 (de) *	1978-08-25	1982-02-25	Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel	Verfahren und Schaltungsanordnung zur Impulsaufsteilung
JPS562728A (en) *	1979-06-21	1981-01-13	Matsushita Electric Ind Co Ltd	Binary processing circuit
US4367721A (en) *	1979-08-08	1983-01-11	Ford Motor Company	Signal detection circuit with self-adjusting threshold having modulated carrier input
US4496831A (en) *	1980-02-29	1985-01-29	Symbol Technologies, Inc.	Portable laser scanning system and scanning methods
US4593186A (en) *	1980-02-29	1986-06-03	Symbol Technologies, Inc.	Portable laser scanning system and scanning methods
SE448921B (sv) *	1980-10-08	1987-03-23	Ibm Svenska Ab	Videosignaldetektor for detektering av inkommande analoga videosignaler fran en optisk dokumentlesare och for avgivande av digitala utgangssignaler
SE448922B (sv)	1980-10-21	1987-03-23	Ibm Svenska Ab	Metod for behandling av videodata vid ett optiskt teckenidentifieringssystem jemte en anordning for teckenidentifiering i en optisk dokumentlesare
US4525747A (en) *	1981-08-06	1985-06-25	Toshiyuki Sakai	Analog-to-digital image signal conversion
US4673805A (en) *	1982-01-25	1987-06-16	Symbol Technologies, Inc.	Narrow-bodied, single- and twin-windowed portable scanning head for reading bar code symbols
JPS5952417A (ja) *	1982-09-16	1984-03-27	Toshiba Corp	デ−タ抜取回路
FR2565746A1 (fr) *	1984-06-06	1985-12-13	Sud Sa Systemes	Procede et dispositif de traitement d'un signal electrique analogique et application a la lecture de codes a barres
JPS62284519A (ja) *	1986-06-02	1987-12-10	Toshiba Corp	信号検出回路
ATE86402T1 (de) *	1987-04-22	1993-03-15	Abbott Lab	Abtaster und format eines optischen codes.
JP3556274B2 (ja) *	1994-07-13	2004-08-18	富士通株式会社	二値化回路及びそれを用いたバーコードリーダ
US8155437B2 (en) *	2007-09-07	2012-04-10	CVISION Technologies, Inc.	Perceptually lossless color compression

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2885551A (en) *	1955-11-30	1959-05-05	Ibm	Variable voltage level discriminator varying with the input voltage level
US3566281A (en) *	1968-05-21	1971-02-23	Ibm	Electric pulse wave clipping circuitry
US3804979A (en) *	1969-10-31	1974-04-16	W Knowles	Detection devices for image analysis systems
US3708678A (en) *	1970-10-30	1973-01-02	Servo Corp	Variable threshold circuit

1974
- 1974-08-09 US US496235A patent/US3912943A/en not_active Expired - Lifetime
1975
- 1975-06-09 FR FR7518984A patent/FR2281680A1/fr active Granted
- 1975-06-17 IT IT24420/75A patent/IT1039027B/it active
- 1975-07-07 CA CA230,888A patent/CA1048157A/en not_active Expired
- 1975-07-18 GB GB3018575A patent/GB1468624A/en not_active Expired
- 1975-07-19 DE DE19752532358 patent/DE2532358A1/de not_active Withdrawn
- 1975-08-07 BR BR7505040*A patent/BR7505040A/pt unknown
- 1975-08-08 JP JP9595775A patent/JPS541531B2/ja not_active Expired

Also Published As

Publication number	Publication date
JPS5141924A (it)	1976-04-08
DE2532358A1 (de)	1976-02-19
CA1048157A (en)	1979-02-06
GB1468624A (en)	1977-03-30
US3912943A (en)	1975-10-14
FR2281680A1 (fr)	1976-03-05
BR7505040A (pt)	1976-08-03
JPS541531B2 (it)	1979-01-25
FR2281680B1 (it)	1978-06-09

Publication	Publication Date	Title
IT1039027B (it)	1979-12-10	Converittote di segnale perfezionato
DE2559484A1 (de)	1977-04-07	Signalunterbrechungsschaltung
JPS511440A (ja)	1976-01-08	Shinkihokozokukarubonsanjudotai no seizohoho
JPS5125519A (ja)	1976-03-02	Garasuseniirisementoban no seizoho
TR18691A (tr)	1977-06-23	Isoprenin ayrilmasi
JPS5125464A (ja)	1976-03-02	Taishokuseinetsukokankanban no seizoho
JPS5114950A (ja)	1976-02-05	Horiesuteruerasutomaa no anteikahoho
DK281175A (da)	1975-12-22	Substituerede 0-acyl-acrylaldoximer
IT1048468B (it)	1980-11-20	Trasduttore elttrofluidico
JPS5157789A (ja)	1976-05-20	Koritsutaikisokuseihori aa orefuinno seizohoho
JPS5125466A (ja)	1976-03-02	Kannaimenniboshokusoojusuru aruminiumukanban no seizoho
JPS5116672A (ja)	1976-02-10	Kuromankanganjukagobutsu no seizohoho
JPS511439A (ja)	1976-01-08	Hokozokuamidokarubonsan no seiho
JPS5117944A (ja)	1976-02-13	Enkabinirujushishoketsutai no morosakairyohoho
JPS5124519A (ja)	1976-02-27	Hijikoseigokuteitansoreienkohan no seizohoho
JPS5125413A (ja)	1976-03-02	Netsushoryofunikigasu no saiseijunkansochi
JPS5125418A (ja)	1976-03-02	Renzokuchuzosetsubinadonishosuru rooruzairyotodorooru no netsushorihoho
JPS5125544A (ja)	1976-03-02	Nendoanteiseinosugureta mikaryugomuhaigobutsu no seizoho
DK203575A (da)	1975-11-23	Substituerede alfa-carboxyacetamid
JPS5125553A (ja)	1976-03-02	Mukijutenzaiganjuhoriamidojushisoseibutsu no seizoho
JPS5118827A (ja)	1976-02-14	Sekisokandenchotansoaenketsugodenkyoku no seizoho
JPS5125525A (ja)	1976-03-02	Garasusenihokyosementoseihin no seizohoho
JPS5125092A (ja)	1976-03-01	Suishoshindoshikimitsugaiiki no fushiho
JPS5128872A (ja)	1976-03-11	Senikyokapurasuchitsukuseikeihin no seikeiho
JPS5114268A (ja)	1976-02-04	Shirikonhandotaisoshi no seizohoho