Abstract: A miniaturized electronic device including a substrate one surface of which carries a first pattern of metallic elements of electrical circuits and a second pattern of metallic elements of electrical circuits which are crossing each other at at least some spots, the crossing elements of electrical circuits being separated by a dielectric material, wherein the device exhibits a multilayer structure, the dielectric material is a serigraphiable dielectric arranged as a thick layer in which the patterns of electric circuits are arranged in different planes, the device being usable for providing reliable devices such as circulation isolators.

Abstract: An atomic beam resonator, particularly a cesium beam resonator, suitable for producing an extremely stable reference frequency. The resonator comprises, arranged in series in the beam direction, a source (1) of the atomic jet (2), a first state selector (3), an interrogating region (4) with a Ramsey-type cavity resonator having two arms (17, 18), a second state selector (5) an atom detector (6) for producing the useful output signal of the resonator, and a device for injecting an interrogation signal into the cavity resonator to generate a microwave interrogation field in each arm of said cavity. Said interrogating region (4) is surrounded by a magnetic shield (10). The resonator is characterized in that the device for injecting microwave energy (25) into the the cavity resonator is a coupling device which forms an odd number of modes in the cavity so that both interrogating regions are of opposite phase and the resonator response is at its lowest at the resonant frequency.

Abstract: A dielectric resonator has a pattern of metallic micro-wave strips deposited onto a dielectric substrate having a high relative permittivity. The pattern is of a generally annular shape and has a slot formed in the annular pattern. The resonator includes an positive feedback circuit coupled thereto having an active element, such as a transistor, and is usable, for instance, as a band-cut off or band-pass filter.

Abstract: An electric power transmission system for hyperfrequencies having a gyromagnetic effect. The system includes a gyrator device having at least one disc-shaped wafer of gyromagnetic material such as ferrite, one side of which is set to a reference potential, and at least two tuning networks each comprising an inductance arranged on the other side of the wafer and one end of which is connected to the ground of the gyrator device whereas the other end is connected to an input terminal of the transmission system. The gyrator device is subjected to a homogeneous magnetostatic field for energizing the gyrator device and a layer of electrically insulating material of low permittivity is provided between the inductances and the wafer of gyromagnetic material. The device is usable for circulators, isolators or filters.

Abstract: A power distributor device comprising a metal body for supporting a number of coaxial connectors of various dimensions, wherein the inner end of the pin of one connector of greater size exhibits a central recess into which are opening holes extending through the side wall of the recess and adapted to receive the inner ends of the pins of the other connectors, the recess communicating with the outside through a passage-way in the wall of the supporting body which permits the insertion into said recess of a means for electrically connecting said inner ends of the pins of the whole of the connectors, the invention being usable with multicoupling elements.

Abstract: Solid electrolyte capacitor wherein the anode end-fitting is constituted by a massive metallic element having sufficient thermal inertia to compensate for the difference in melting temperature of the materials constituting the anode end-fitting and the anode wire.