ES2116240B1 - RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER. - Google Patents

RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER.

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Publication number
ES2116240B1
ES2116240B1 ES09602373A ES9602373A ES2116240B1 ES 2116240 B1 ES2116240 B1 ES 2116240B1 ES 09602373 A ES09602373 A ES 09602373A ES 9602373 A ES9602373 A ES 9602373A ES 2116240 B1 ES2116240 B1 ES 2116240B1
Authority
ES
Spain
Prior art keywords
marking
laser
optical deflector
matrix
control
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 - Lifetime
Application number
ES09602373A
Other languages
Spanish (es)
Other versions
ES2116240A1 (en
Inventor
Ez Baron Jose Miguel Iba
Algue Jordi Beringues
Abella Jordi Llado
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Macsa ID SA
Original Assignee
Macsa ID SA
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.)
Filing date
Publication date
Priority to ES09602373A priority Critical patent/ES2116240B1/en
Application filed by Macsa ID SA filed Critical Macsa ID SA
Priority to EP97918159A priority patent/EP0845323B1/en
Priority to US08/981,260 priority patent/US6130402A/en
Priority to JP9538608A priority patent/JPH11509781A/en
Priority to DE69714553T priority patent/DE69714553T2/en
Priority to CN97190720A priority patent/CN1195310A/en
Priority to PCT/ES1997/000107 priority patent/WO1997040957A1/en
Priority to AT97918159T priority patent/ATE221812T1/en
Priority to CA002225919A priority patent/CA2225919A1/en
Publication of ES2116240A1 publication Critical patent/ES2116240A1/en
Application granted granted Critical
Publication of ES2116240B1 publication Critical patent/ES2116240B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Lasers (AREA)
  • Laser Beam Printer (AREA)
  • Laser Beam Processing (AREA)

Abstract

SISTEMA DE GENERACION ALEATORIA DE FRECUENCIAS PARA MARCAJE MEDIANTE LASER. APLICABLE A LAS CADENAS DE PRODUCCION DONDE SE REALIZA EL MARCAJE CON LASER QUE CUENTA CON UN DEFLECTOR ACUSTO-OPTICO (6) SOBRE EL QUE INCIDE EL HAZ LASER Y SOBRE EL QUE SE APLICAN, A TRAVES DE UN AMPLIFICADOR DE RADIOFRECUENCIA (5), DISTINTOS VALORES DE FRECUENCIA QUE PRODUCEN ANGULOS DIFERENTES DE DEFLEXION DEL LASER, EL CUAL INCIDE EN DIFERENTES PUNTOS MARCANDOSE EL ANAGRAMA, LOGOTIPO, TEXTO, ETC., PREVIAMENTE ALMACENADO EN UNA UNIDAD DE CAPTACION DE INFORMACION QUE GENERA Y ALMACENA UNA MATRIZ DE PUNTOS N X M EQUIVALENTE A LA IMPRESION A EFECTUAR. SE CARACTERIZA PORQUE CUENTA CON UN CENTRO DE CONTROL Y CODIFICACION (2) QUE PROCESA LOS PUNTOS DE LA MATRIZ OBTENIDOS Y GENERA UN VALOR DIGITAL PARA CADA PUNTO DE LA MATRIZ. CUENTA CON UNA UNIDAD DE GENERACION DE FRECUENCIAS (3) QUE, DIRECTAMENTE A PARTIR DEL CODIGO DIGITAL PROPORCIONADO POR EL CENTRO DE CONTROL Y CODIFICACION (2) PRODUCE UNA DETERMINADA FRECUENCIA QUE SE APLICA AL DEFLECTOR ACUSTO-OPTICO. CUENTA CON MEDIOS PARA DETERMINAR Y ALMACENAR LA CURVA CARACTERISTICA DEL DEFLECTOR ACUSTO-OPTICO (6), Y A PARTIR DE ELLA REALIZAR LA ECUALIZACION DE LA ALINEALIDAD QUE PRESENTA EL DEFLECTOR ACUSTO-OPTICO Y EL CALCULO DE LA ZONA OPTIMA DEL MARCAJE EN FUNCION DE LOS PUNTOS Y DEL MENSAJE A GRABAR. CUENTA CON MEDIOS PARA VARIAR LA RESOLUCION VERTICAL DE MARCAJE, Y CON MEDIOS PARA CONTROLAR EL TIEMPO DE EXPOSICION DEL HAZ LASER PARA CADA PUNTO DE MARCAJE.RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER. APPLICABLE TO THE PRODUCTION CHAINS WHERE THE LASER MARKING IS MADE, WHICH HAS AN ACOUSTIC-OPTICAL DEFLECTOR (6) ON WHICH THE LASER BEAM IS INCIDATED AND ON WHICH IT IS APPLIED, THROUGH A RADIO FREQUENCY AMPLIFIER (5), DIFFERENT FREQUENCY VALUES THAT PRODUCE DIFFERENT ANGLES OF LASER DEFLECTION, WHICH INCIDENTS IN DIFFERENT POINTS MARKING THE ANAGRAM, LOGO, TEXT, ETC., PREVIOUSLY STORED IN AN INFORMATION COLLECTION UNIT THAT GENERATES AND STORES A MATRIX OF PUNT PRINTING TO BE DONE. IT IS CHARACTERIZED BECAUSE IT HAS A CONTROL AND CODING CENTER (2) THAT PROCESSES THE MATRIX POINTS OBTAINED AND GENERATES A DIGITAL VALUE FOR EACH POINT OF THE MATRIX. IT HAS A FREQUENCY GENERATION UNIT (3) THAT, DIRECTLY FROM THE DIGITAL CODE PROVIDED BY THE CONTROL AND CODING CENTER (2) PRODUCES A CERTAIN FREQUENCY THAT APPLIES TO THE ACUSTO-OPTICAL DEFLECTOR. IT HAS THE MEANS TO DETERMINE AND STORE THE CHARACTERISTIC CURVE OF THE ACOUSTIC-OPTICAL DEFLECTOR (6), AND FROM IT, PERFORM THE EQUALIZATION OF THE ALIGNMENT THAT THE ACCUSTO-OPTICAL DEFLECTOR PRESENTS AND THE CALCULATION OF THE OPTIMAL ZONE OF THE MARKING IN ACCORDANCE WITH THE POINTS AND FROM THE MESSAGE TO RECORD. IT HAS MEANS TO VARY THE VERTICAL MARKING RESOLUTION, AND MEANS TO CONTROL THE EXPOSURE TIME OF THE LASER BEAM FOR EACH MARK POINT.

ES09602373A 1996-04-26 1996-11-11 RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER. Expired - Lifetime ES2116240B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
ES09602373A ES2116240B1 (en) 1996-11-11 1996-11-11 RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER.
US08/981,260 US6130402A (en) 1996-04-26 1997-04-25 System and process for marking or perforating
JP9538608A JPH11509781A (en) 1996-04-26 1997-04-25 Apparatus and method for marking or perforation
DE69714553T DE69714553T2 (en) 1996-04-26 1997-04-25 SYSTEM AND METHOD FOR MARKING OR PERFORATING
EP97918159A EP0845323B1 (en) 1996-04-26 1997-04-25 System and process for marking or perforating
CN97190720A CN1195310A (en) 1996-04-26 1997-04-25 System and process for marking or perforating
PCT/ES1997/000107 WO1997040957A1 (en) 1996-04-26 1997-04-25 System and process for marking or perforating
AT97918159T ATE221812T1 (en) 1996-04-26 1997-04-25 SYSTEM AND METHOD FOR MARKING OR PERFORATING
CA002225919A CA2225919A1 (en) 1996-04-26 1997-04-25 System and process for marking or perforating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09602373A ES2116240B1 (en) 1996-11-11 1996-11-11 RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER.

Publications (2)

Publication Number Publication Date
ES2116240A1 ES2116240A1 (en) 1998-07-01
ES2116240B1 true ES2116240B1 (en) 1999-04-01

Family

ID=8296642

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09602373A Expired - Lifetime ES2116240B1 (en) 1996-04-26 1996-11-11 RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER.

Country Status (1)

Country Link
ES (1) ES2116240B1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321564A (en) * 1980-06-18 1982-03-23 Litton Systems, Inc. Sequential beam switching of acousto-optic modulator
GB2133352B (en) * 1983-01-13 1985-09-11 Laser Applic Limited A laser marking system
GB8330178D0 (en) * 1983-11-11 1983-12-21 Molins Plc Cigarette manufacture
US4992890A (en) * 1989-03-17 1991-02-12 Intergraph Corporation System for plotting and scanning graphic images
ES2013193A6 (en) * 1989-06-07 1990-04-16 Codilaser Sa A system for marking moving objects by laser beams.
US5255257A (en) * 1992-03-04 1993-10-19 Lasertape Systems, Inc. Frequency, phase and amplitude control apparatus and method for acousto-optic deflector optimization

Also Published As

Publication number Publication date
ES2116240A1 (en) 1998-07-01

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