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Dive into the research topics where Robert Girard is active.

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Featured researches published by Robert Girard.


Archive | 1990

Central office line interface circuit for an analog network private telephone installation

Raymond Blaszykowski; Robert Girard; Andre Bonvallet


Archive | 1990

LOW-FREQUENCY ALTERNATING CURRENT SIGNAL DETECTOR, IN PARTICULAR FOR CENTRAL OFFICE LINE INTERFACE CIRCUITS

Andre Bonvallet; Robert Girard; Daniel Perrein


Archive | 1990

Private telephone installation architecture

Raymond Blaszykowski; Robert Girard; Andre Bonvallet


Archive | 1990

TELEPHONE CHARGING SIGNALLING DETECTOR SUITABLE FOR CENTRAL OFFICE LINE INTERFACE CIRCUITS

Andre Bonvallet; Robert Girard; Michel Canonne


Archive | 1990

Line junction for analogue network lines for a private telephone installation

Raymond Blaszykowski; Robert Girard; Andre Bonvallet


Archive | 1994

DETECTEUR DE SIGNAUX ALTERNATIFS BASSE FREQUENCE NOTAMMENT POUR JONCTEUR TELEPHONIQUE

Andre Bonvallet; Robert Girard; Daniel Perrein


Archive | 1994

Signalisation detector, for metering type signals, for a telephone trunk

Andre Bonvallet; Robert Girard; Michel Canonne


Archive | 1990

Detector for low frequency alternating signals for a telephone trench

Andre Bonvallet; Robert Girard; Daniel Perrein


Archive | 1990

Joncteur de ligne réseau analogique pour installation téléphonique de type privé

Raymond Blaszykowski; Robert Girard; Andre Bonvallet


Archive | 1990

Analoge Verbindungsschaltung für eine Fernsprechnebenstellenanlage. Analog connection circuit for a telephone PBX system.

Raymond Blaszykowski; Robert Girard; Andre Bonvallet

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