1
Chiron Bernard, Duffau Louis: Adjustable aperture antenna employing dielectric and ferrimagnetic material. Societe Lignes Telegraphiques Et Telephoniques, October 9, 1973: US3765021 (80 worldwide citation)

In order to obtain wide aperture and high directivity radiation patterns from the same antenna, the radiating structure is made of a non magnetic dielectric and a dielectric ferrimagnetic material. The magnetic part is associated with magnetizing coils energized from an aperture control current sour ...


2
Bernard Chiron, Michel DE Vecchis: Non-reciprocal broadband slot line device. Societe Lignes Telegraphiques et Telephoniques, Bacon & Thomas, May 31, 1977: US04027253 (54 worldwide citation)

A broadband slot line non reciprocal microwave device which comprises a matched load placed on the face of a ferrite plate which is located within the microwave magnetic field of the slot line, said face being opposite to said slot and designed so that its height is larger than 3 times the width of ...


3
Chiron Bernard, Duffau Louis: Tunable microminiaturized microwave filters. Societe Lignes Telegraphiques Et Telephoniques, August 1, 1972: US3681716 (27 worldwide citation)

Integrated microwave filters are designed by depositing a convenient strip pattern on a substrate made at least partly of a ferrite material with a permeability varying with the applied external magnetic field. The resonance frequency of the filter is varied across a broad frequency band by varying ...


4
Nicolle Bernard, Gerard Forterre: Wide band high power very high or ultra high frequency circulators. Societe Lignes Telegraphiques et Telephoniques, Kemon & Eastabrook, November 25, 1980: US04236125 (26 worldwide citation)

In a circulator using strip technology a high thermal conductivity through the piled up parts is obtained by use of heat conductive insulating grease layers between the parts which include a solid machined metal cap surrounding the gyromagnetic pellets and broad banding circuits between the ports an ...


5
Michel de Vecchis, Maurice Arnaud: In-line manufacture of optical fibres cables with sequential laying. Societe Lignes Telegraphiques et Telephoniques, Kemon & Estabrook, May 22, 1979: US04155963 (18 worldwide citation)

A cable comprising a central armour, a dielectric helically grooved core and optical fibres housed in said grooves which are formed with a lip protruding from one edge is produced by extrusion of the profiled core on the armour heating of the core, laying of one fibre within one groove with the aid ...


6
Michel de Vecchis, Jean Pierre Hulin: Optical fibre laying head for cable production. Societe Lignes Telegraphiques et Telephoniques, Robert A Ostmann, December 9, 1980: US04237687 (18 worldwide citation)

A head for laying optical fibres in a helically grooved cable core consists of a freely rotating mount assembly carrying fibre guides inclined on the axis of travel of the core with an angle smaller than 45.degree.. The fibre guides are elastic hollow tubes ended by a bevel maintained on the bottom ...


7
Jean Claude Moulin, Balint Escher, Dominique Prince: Anodes for solid electrolyte capacitors. Societe Lignes Telegraphiques et Telephoniques, Kemon Palmer & Estabrook, October 5, 1976: US03984208 (17 worldwide citation)

Improved sintered anodes for solid electrolytic capacitors are produced from a mixture of at least two powders the first being of pure film forming metal and the second of a film forming metal with addition of at least one of the elements : nitrogen, tungsten, molybdenum, vanadium and hafnium. The r ...


8
Gerard Blangeard, Jacques Robineau: Adjustable resistors for hybrid circuits. Societe Lignes Telegraphiques et Telephoniques, Kemon & Estabrook, March 27, 1979: US04146867 (16 worldwide citation)

High precision film resistors are designed as a main resistive element corresponding to half the total value associated with five additional resistive elements the values of each of which are successively half of the value of the preceding one plus one resistive element of the same value as the smal ...


9
Fache Michel, Blondel Jacques, Mahieu Jean Rene: Waveguide to microstrip coupler. Societe Lignes Telegraphiques et Telephoniques, Kemon Palmer & Estabrook, December 2, 1975: US3924204 (16 worldwide citation)

In a waveguide to microstrip coupler comprising a metal part fastened to one of the waveguide large walls in which a channel is machined and a strip line within said channel protruding through an opening in said waveguide large wall, the distance between the nonmetalized face of the strip line subst ...


10
Maurice Arnaud: Long distance coaxial cable with optical fibres. Societe Lignes Telegraphiques et Telephoniques, Solon B Kemon, William T Estabrook, October 3, 1978: US04118594 (15 worldwide citation)

A cable comprising a disc insulated coaxial structure in which said discs are designed with notches in which are located optical fibres extending parallel with the inner conductor of the coaxial structure. An insulating keeper wire is forced into the notch to prevent the free fibres escaping therefr ...