Abstract: The invention relates to a device for measuring an operating variable, to be fitted onto a tyre, comprising: an electronic circuit distributed over a first face of an electronic board and comprising a sensor; a protective housing at least partially covering the electronic circuit; and at least one first antenna wire having one end galvanically connected to the electronic circuit and integrally extending so as to project laterally from the housing; According to the invention, the housing comprises a lateral portion which projects substantially tangentially to a proximal end portion of the first wire in accordance with the generatrix of said first wire.

Abstract: A pressure measuring device for a tyre includes an electronic circuit distributed over a first face and a second face of an electronic board and comprising a pressure sensor mounted on the first face of said electronic board; an antenna connected to the electronic circuit; a first housing part covering the first face such that together they delimit a first volume, and comprising channels fluidically connecting the first volume to the outside; a second housing part covering the second face such that together they delimit a second volume, and having a base for resting against an inner surface of a tread of the tyre, the second housing part being arranged such that the antenna projects laterally with respect to said second housing part and the housing has a centre of gravity located in the second volume spaced apart from the electronic board.