ES2116240B1 - RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER. - Google Patents
RANDOM GENERATION SYSTEM OF FREQUENCIES FOR MARKING BY LASER.Info
- 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
Links
Landscapes
- 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.
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)
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 |
-
1996
- 1996-11-11 ES ES09602373A patent/ES2116240B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2116240A1 (en) | 1998-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC2A | Transfer of patent | ||
EC2A | Search report published |
Date of ref document: 19980701 Kind code of ref document: A1 Effective date: 19980701 |
|
GD2A | Contractual licences |
Effective date: 19990122 |