1717-1806 18thcentury 944 artandsociety carmontelle codingtheory congresses digitalcommunications digitalvideo equipmentandsupplies france french history imagequality imagingsystems informationretrieval intellectuallife internet landscapepainting multimediasystems scrolls(decorativearts) signalprocessing telecommunication telecommunications transmissionnumérique transmissionsansfil transparencies télécommunications wirelesscommunicationsystems