FR2448193B1 - Attenuateur electronique multivoies a reglages memorises et a visualisation par diodes electroluminescentes - Google Patents

Attenuateur electronique multivoies a reglages memorises et a visualisation par diodes electroluminescentes

Info

Publication number
FR2448193B1
FR2448193B1 FR7902617A FR7902617A FR2448193B1 FR 2448193 B1 FR2448193 B1 FR 2448193B1 FR 7902617 A FR7902617 A FR 7902617A FR 7902617 A FR7902617 A FR 7902617A FR 2448193 B1 FR2448193 B1 FR 2448193B1
Authority
FR
France
Prior art keywords
visualized
light emitting
emitting diodes
channel electronic
stored settings
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
Application number
FR7902617A
Other languages
English (en)
French (fr)
Other versions
FR2448193A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7902617A priority Critical patent/FR2448193B1/fr
Priority to JP50029080A priority patent/JPS55501203A/ja
Priority to PCT/FR1980/000010 priority patent/WO1980001632A1/fr
Priority to IT19639/80A priority patent/IT1129608B/it
Priority to EP80900242A priority patent/EP0023215A1/fr
Publication of FR2448193A1 publication Critical patent/FR2448193A1/fr
Application granted granted Critical
Publication of FR2448193B1 publication Critical patent/FR2448193B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/02—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
    • H04H60/04—Studio equipment; Interconnection of studios

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Control By Computers (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR7902617A 1979-02-01 1979-02-01 Attenuateur electronique multivoies a reglages memorises et a visualisation par diodes electroluminescentes Expired FR2448193B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7902617A FR2448193B1 (fr) 1979-02-01 1979-02-01 Attenuateur electronique multivoies a reglages memorises et a visualisation par diodes electroluminescentes
JP50029080A JPS55501203A (ja) 1979-02-01 1980-01-28
PCT/FR1980/000010 WO1980001632A1 (fr) 1979-02-01 1980-01-28 Systeme de traitement de signaux a attenuateur electronique multivoies et a reglages memorises
IT19639/80A IT1129608B (it) 1979-02-01 1980-02-01 Sistema di trattamento di segnali ad attenuatore elettronico a piu' vie ed a regolazioni memorizzate
EP80900242A EP0023215A1 (fr) 1979-02-01 1980-08-15 Systeme de traitement de signaux a attenuateur electronique multivoies et a reglages memorises

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7902617A FR2448193B1 (fr) 1979-02-01 1979-02-01 Attenuateur electronique multivoies a reglages memorises et a visualisation par diodes electroluminescentes

Publications (2)

Publication Number Publication Date
FR2448193A1 FR2448193A1 (fr) 1980-08-29
FR2448193B1 true FR2448193B1 (fr) 1985-12-06

Family

ID=9221483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902617A Expired FR2448193B1 (fr) 1979-02-01 1979-02-01 Attenuateur electronique multivoies a reglages memorises et a visualisation par diodes electroluminescentes

Country Status (5)

Country Link
EP (1) EP0023215A1 (ja)
JP (1) JPS55501203A (ja)
FR (1) FR2448193B1 (ja)
IT (1) IT1129608B (ja)
WO (1) WO1980001632A1 (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL190797C (nl) * 1980-03-11 1994-08-16 Hok Lioe Han Geluidveldsimulatiestelsel en werkwijze voor het ijken daarvan.
FR2483723A1 (fr) * 1980-05-29 1981-12-04 Michel Andre Systeme de sonorisation d'une salle
FR2507365A1 (fr) * 1981-06-03 1982-12-10 Trt Telecom Radio Electr Systeme de reglage de valeurs de parametres par incrementation-decrementation a partir de commutateurs sans butee ni indicateurs de position
GB8322440D0 (en) * 1983-08-19 1983-09-21 Gen Electric Co Plc Frequency division multiplex transmission equipment
US4668932A (en) * 1985-07-26 1987-05-26 Xicor, Inc. Nonvolatile reprogrammable electronic potentiometer
US5084667A (en) * 1985-07-26 1992-01-28 Xicor, Inc. Nonvolatile nonlinear programmable electronic potentiometer
US4947432B1 (en) * 1986-02-03 1993-03-09 Programmable hearing aid
US4924193A (en) * 1987-01-30 1990-05-08 Nec Corporation Volume control circuit for use in portable telephone or the like
JPH0666612B2 (ja) * 1987-05-26 1994-08-24 ザイコール・インコーポレーテッド 再プログラム可能な不揮発性非線形電子ポテンショメータ
JPH0716264B2 (ja) * 1987-07-10 1995-02-22 株式会社東芝 無線電話装置
AT392556B (de) * 1988-02-02 1991-04-25 Siemens Ag Oesterreich Schaltungsanordnung mit stellbaren verstaerkern und bzw. oder stellbaren widerstaenden
GB8830283D0 (en) * 1988-12-28 1989-02-22 Astec Int Ltd Variable resistors
DE3900588A1 (de) * 1989-01-11 1990-07-19 Toepholm & Westermann Fernsteuerbares, programmierbares hoergeraetesystem
FR2665988B1 (fr) * 1990-08-14 1996-11-22 Cit Alcatel Procede et dispositif de commande automatique de gain d'un amplificateur a gain variable, et leur application a la commande de gain d'un syntoniseur, notamment pour reseau de videocommunication.
JP3725340B2 (ja) * 1998-07-31 2005-12-07 パイオニア株式会社 オーディオ信号処理装置
US6331768B1 (en) 2000-06-13 2001-12-18 Xicor, Inc. High-resolution, high-precision solid-state potentiometer
EP1645040B1 (en) * 2003-07-07 2018-09-05 Analog Devices, Inc. Variable attenuation system having continuous input steering

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2044634A1 (de) * 1970-09-09 1972-03-16 Licentia Gmbh System zur Einstellung der Verstärkung bzw. Dämpfung eines Nachrichtenkanals, insbesondere eines Tonkanales in einem Studio-Mischpult
US3968467A (en) * 1973-09-04 1976-07-06 Stephen H. Lampen Touch controlled voltage-divider device
DE2719796B2 (de) * 1977-05-03 1979-03-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Audiometer

Also Published As

Publication number Publication date
WO1980001632A1 (fr) 1980-08-07
IT1129608B (it) 1986-06-11
IT8019639A0 (it) 1980-02-01
EP0023215A1 (fr) 1981-02-04
FR2448193A1 (fr) 1980-08-29
JPS55501203A (ja) 1980-12-25

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Legal Events

Date Code Title Description
ST Notification of lapse