Abstract: Method for transceiving a message (M) for UWB distance measurement: transceiving a first information portion (A) via a narrowband channel; transceiving after the first information portion a second information portion (B) via a UWB channel, wherein the second information portion (B) comprises a distance pulse sequence being a pulse sequence to be used for distance measurement; wherein the first information portion (A) and the second information portion (B) are transceived in a common message frame.

Abstract: UWB Antenna comprising: a first substrate layer (10); a second substrate layer (20); a conductive ground layer (300) arranged on a first side of the first substrate layer and connected to a ground terminal; a first conductive layer (100) arranged between the first substrate layer (10) and the second substrate layer (20), wherein a central portion (140) of the first conductive layer (100) is connected to the feed terminal (3), wherein the first conductive layer (100) has a shape with a plurality of arms extending radially from the central portion (140), wherein the plurality of arms (110, 120, 130) is connected in its distal portion (111, 121, 131) with the ground layer (300); a second conductive layer (200) arranged on a second side of the second substrate layer (20, 20?), wherein the layers (10, 20, 100, 200, 300) are realised with a multilayer circuit board.

Abstract: Disclosed is a device for generating a transmission pulse, configured to: obtain information about a transmission pulse, wherein the information comprises a pulse shape; generate a plurality of kernel pulses on the basis of the pulse shape; form a transmission pulse based on the plurality of kernel pulses.

Abstract: Device for secure distance measurement being a prover (P) or a verifier (V) comprising: a receiver (R3) configured to receive a receiving signal (RS) with a transmitted message (M) encoded therein, wherein the transmitted message (M) contains a verifying bit sequence (VBS), wherein a bit of the transmission message (M) is transmitted in the transmission signal (TS) by a pulse with a pulse modulation parameter with two pulse states, and a decoder (R2) configured to decode the verifying bit sequence (VBS) from the transmitted message (M) encoded in the receiving signal (RS).

Abstract: Apparatus for determining a time of arrival of a message signal comprising: a quadrature mixer (13, 14) for mixing a received message signal with the signal of a local oscillator, wherein the received message signal comprises a binary sequence modulated by binary frequency shift keying with pulses corresponding to a first value at a first frequency and with pulses corresponding to a second value at a second frequency, wherein the local oscillator has a frequency between the first frequency and the second frequency; a time of arrival detector (18) for determining a time of arrival of the message signal on the basis of the output of the quadrature mixer (13, 14).

Abstract: There is disclosed a portable electronic instrument, such as a wristwatch (1), including a case (2) enclosing an electronic module (6) and a display device (5), a crystal (3) fitted onto the case (2), an electric power supply source (4) housed in the case (2) and powering the electronic module (6) and the display device (5), and an antenna (20) for receiving and/or transmitting radio-frequency signals electrically connected to the electronic module (6). The case (2) includes an exterior body (4) including a bottom (4a) and lateral walls (4b) and a bezel element (7) fitted onto the exterior body (4) and supporting the crystal (3). The antenna (20) rests on an outer face (7a) of the bezel element (7).

Abstract: There is described a method of transmitting data by means of acoustic waves between a transmitter device (2) and a receiver device (1) wherein the transmitter device has a first electroacoustic transducer (26) for transmitting an acoustic carrier wave at one or more frequencies and means for modulating the acoustic carrier wave as a function of data to be transmitted and the receiver has a second electroacoustic transducer (18) for receiving the acoustic carrier wave modulated by the transmitter device and means for demodulating the acoustic carrier wave and extracting the transmitted data therefrom. The first and second electroacoustic transducers each have a determined bandwidth and a determined frequency response characteristic.

Abstract: There is disclosed an electronic instrument intended to be worn on a user's wrist, such as a wristwatch (1), including a case (2) and a wristband (2a) secured to the case. The case encloses an electronic module (6), a display device (5) and an electric power source (10) powering the electronic module and the display device. This instrument further includes an antenna (20) arranged in an off-centre position with respect to the centre (?) of the instrument. The instrument is configured to be worn on the wrist in a first, so-called normal position, and in a second, so-called opposite position, rotated through 180° with respect to the first position about an axis (?) substantially perpendicular to the general plane (?) of the electronic instrument.

Abstract: The present invention concerns an automatic time-setting system for a portable object having an horological function. The present invention also concerns a portable object having an horological function capable of being automatically set to the right time, such as an electronic timepiece. According to the present invention, the portable object (100) includes means (11) for receiving an acoustic time-setting signal (50) and means (12, 13) for deriving time-setting indications (ho, mo) from this acoustic time-setting signal (50) allowing said time indication of the portable object (100) to be corrected. According to the present invention, the portable object may advantageously be set to the right time via an acoustic time-setting signal (50) transmitted for example by the loud speaker of a personal computer, a television, a radio or a telephone receiver.

Abstract: The invention concerns a patch antenna (20) for a small-sized portable electronic instrument comprising a radiating element (21) separated from a ground plane (23) by a dielectric (22) and comprising feed (25) and ground (26) conductors for electrically connecting said radiating element and said ground plane (23) respectively, to an electric module (6). The ground plane (23) consists of a stamped metal plate including at least a folded foot (26a, 26b) outside said ground plane and directly connecting said ground plane (23) to said electronic module (6), said foot (26a, 26b) forming said ground conductor (26) of the antenna.

Abstract: The invention concerns a patch antenna (20) for a small-sized portable electronic instrument comprising a radiating element (21) separated from a ground plane (23) by a dielectric (22) and comprising feed (25) and ground (26) conductors for electrically connecting said radiating element and said ground plane (23) respectively, to an electric module (6). The ground plane (23) consists of a stamped metal plate including at least a folded foot (26a, 26b) outside said ground plane and directly connecting said ground plane (23) to said electronic module (6), said foot (26a, 26b) forming said ground conductor (26) of the antenna.

Abstract: There is disclosed a portable electronic instrument, such as a wristwatch (1), including a case (2) enclosing an electronic module (6) and a display device (5), a crystal (3) fitted onto the case (2), an electric power supply source (4) housed in the case (2) and powering the electronic module (6) and the display device (5), and an antenna (20) for receiving and/or transmitting radio-frequency signals electrically connected to the electronic module (6).

Abstract: There is disclosed an electronic instrument intended to be worn on a user's wrist, such as a wristwatch (1), including a case (2) and a wristband (2a) secured to the case. The case encloses an electronic module (6), a display device (5) and an electric power source (10) powering the electronic module and the display device. This instrument further includes an antenna (20) arranged in an off-centre position with respect to the centre (◯) of the instrument.

Abstract: The present invention concerns a communication system between a portable unit, such as a watch, and a communication terminal (2) such as a personal computer or PC, characterized in that the communication terminal (2) includes at least means for transmitting an acoustic signal carrying, and in that the portable unit (1) includes at least processing means for processing data, and receiving and conversion means for picking up said acoustic signal and converting said acoustic signal into data intended to be processed by said processing means.

Abstract: The watch includes an electric battery housed in a removable drawer (6) engaged in the case (2), said drawer further including an additional electric apparatus powered by the battery. This apparatus may be a device operating in conjunction with the clockwork movement, for example an acoustic or tactile alarm member, or an independent device, for example a sensor or a data transmission device.

Abstract: The present invention concerns a wristwatch (30) including a case (32) provided with a first electric conductor (50) and an electric circuit (36) connected to said first electric conductor, and a wristband (34) including a second electric conductor (42). This wristwatch is characterised in that the first and second conductors are arranged to form an electric connection without any mechanical contact and, more precisely, by capacitive coupling. One advantage of such an arrangement of the wristwatch is that it achieves an electric connection without mechanical coupling, i.e. an electric connection which does not require any additional external material arrangement other than the conventional articulation between the wristband and the case.