ES2038070B1 - VISION ADJUSTMENT DEVICE ALPHANUMERIC SIGNAL FOR TELEPHONE POSITION. - Google Patents

VISION ADJUSTMENT DEVICE ALPHANUMERIC SIGNAL FOR TELEPHONE POSITION.

Info

Publication number
ES2038070B1
ES2038070B1 ES09101320A ES9101320A ES2038070B1 ES 2038070 B1 ES2038070 B1 ES 2038070B1 ES 09101320 A ES09101320 A ES 09101320A ES 9101320 A ES9101320 A ES 9101320A ES 2038070 B1 ES2038070 B1 ES 2038070B1
Authority
ES
Spain
Prior art keywords
adjustment device
telephone position
vision adjustment
microcontroller
alphanumeric signal
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
ES09101320A
Other languages
Spanish (es)
Other versions
ES2038070A1 (en
Inventor
Philippe Camuzard
Gerard Cardot
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.)
Alcatel Lucent Enterprise SA
Original Assignee
Alcatel Business Systemes 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
Application filed by Alcatel Business Systemes SA filed Critical Alcatel Business Systemes SA
Publication of ES2038070A1 publication Critical patent/ES2038070A1/en
Application granted granted Critical
Publication of ES2038070B1 publication Critical patent/ES2038070B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials

Abstract

DISPOSITIVO DE REGLAJE DE LA VISION PARA SEÑALIZADOR ALFANUMERICO DE PUESTO TELEFONICO, DOTADO CON UN MICROCONTROLADOR (2). UNA BORNA DE REGLAJE DE LUMINOSIDAD (9) DEL SEÑALIZADOR CORRESPONDIENTE AL MICROCONTROLADOR ES ATACADA POR UNA TENSION CONTINUA CUYO VALOR ESTA REGULADO POR INTERMEDIO DE UN PUENTE DIVISOR CON RESISTENCIAS (13, 14, 15) CONMUTADAS POR MEDIO DE INTERRUPTORES ELECTRONICOS (17, 18) QUE ACCIONA EL MICROCONTROLADOR.VISION ADJUSTMENT DEVICE FOR ALPHANUMERIC SIGNAL OF TELEPHONE POSITION, EQUIPPED WITH A MICROCONTROLLER (2). A BRIGHTNESS ADJUSTMENT TERMINAL (9) OF THE MICROCONTROLLER SIGNALING IS ATTACKED BY A CONTINUOUS VOLTAGE WHOSE VALUE IS REGULATED BY INTERMEDIATE OF A DIVIDING BRIDGE WITH RESISTORS (13, 14, 15) SWITCHED BY MEANS OF ELECTRONIC SWITCHES (18) WHAT THE MICROCONTROLLER OPERATES.

ES09101320A 1990-06-01 1991-05-31 VISION ADJUSTMENT DEVICE ALPHANUMERIC SIGNAL FOR TELEPHONE POSITION. Expired - Lifetime ES2038070B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9006866A FR2662892B1 (en) 1990-06-01 1990-06-01 VISION ADJUSTMENT DEVICE FOR ALPHANUMERIC TELEPHONE DISPLAY.

Publications (2)

Publication Number Publication Date
ES2038070A1 ES2038070A1 (en) 1993-07-01
ES2038070B1 true ES2038070B1 (en) 1994-11-16

Family

ID=9397209

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09101320A Expired - Lifetime ES2038070B1 (en) 1990-06-01 1991-05-31 VISION ADJUSTMENT DEVICE ALPHANUMERIC SIGNAL FOR TELEPHONE POSITION.

Country Status (4)

Country Link
DK (1) DK102791A (en)
ES (1) ES2038070B1 (en)
FR (1) FR2662892B1 (en)
IT (1) IT1249890B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159477A (en) * 1984-08-22 1986-03-26 日本デ−タゼネラル株式会社 Digital contrast adjusting circuit for display unit
JPS63177643A (en) * 1987-01-19 1988-07-21 Matsushita Electric Ind Co Ltd Key telephone set
JPH01207790A (en) * 1988-02-16 1989-08-21 Nec Corp Miniature device with liquid crystal display device
FR2634610B1 (en) * 1988-07-25 1990-10-26 France Etat TELECOMMUNICATION TERMINAL WITH IMPROVED FUNCTION CONTROL
JPH02250546A (en) * 1989-03-24 1990-10-08 Toshiba Corp Telephone set

Also Published As

Publication number Publication date
FR2662892A1 (en) 1991-12-06
IT1249890B (en) 1995-03-30
DK102791D0 (en) 1991-05-30
ITTO910412A0 (en) 1991-05-31
DK102791A (en) 1991-12-02
ITTO910412A1 (en) 1991-12-02
ES2038070A1 (en) 1993-07-01
FR2662892B1 (en) 1995-06-16

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Legal Events

Date Code Title Description
FA2A Application withdrawn

Effective date: 19950425