Abstract:
A receptacle (60) for retaining a portable electronic device (68) and coupling electromagnetic signals between the receptacle and the device. The device comprises a ground plane (12) and an antenna element (16). The receptacle comprises a first sidewall (20) comprising a first conductive sheet (24) and a second sidewall (22) comprising a second conductive sheet (26). The receptacle further comprises an opening (210) for disposing a portable electronic device between the first and second sidewalls, and when the device is disposed into the receptacle, the device is retained by the first and second sidewalls, and the first and second conductive sheets couple to the device's ground plane and antenna element.
Abstract:
A receptacle (60) for retaining a portable electronic device (68) and coupling electromagnetic signals between the receptacle and the device. The device comprises a ground plane (12) and an antenna element (16). The receptacle comprises a first sidewall (20) comprising a first conductive sheet (24) and a second sidewall (22) comprising a second conductive sheet (26). The receptacle further comprises an opening (210) for disposing a portable electronic device between the first and second sidewalls, and when the device is disposed into the receptacle, the device is retained by the first and second sidewalls, and the first and second conductive sheets couple to the device's ground plane and antenna element.
Abstract:
A fixture for radio frequency ("RF") testing of an assembled wireless device, the wireless device having a removable casing concealing one or more RF spring connectors, the fixture comprising: a retainer for receiving the wireless device with the removable casing removed; a coaxial connector mounted through the retainer, the coaxial connector having a center contact and a shield contact, the coaxial connector for communicating RF test signals through a coaxial cable with external test equipment; a circuit board mounted on an inner side of the retainer and having one or more pads each for receiving one of the center and shield contacts; and, one or more probes mounted on ones of the pads for contacting ones of the RF spring connectors to distribute the RF test signals.
Abstract:
The invention relates to a mobile telephone of the type that comprises a printed circuit (20). A land (21) is printed on one face of the aforementioned printed circuit, said land being used for the connection of an aerial (30). The inventive telephone also comprises means of disconnecting the aerial (30) and means of connecting a probe (50). The invention is characterised in that the probe (50) connection means comprise an imprint (22, 23) which is printed on the face of the printed circuit (20) opposite that comprising the aforementioned first printed land (21) and opposite the first land (21), land 22 being electrically connected inside the printed circuit (20) to said first land (21).
Abstract:
A handsfree kit for a mobile telephone uses RDS signals for transferring calls to the loudspeaker of a car radio, as a circuit comprising an RDS generating circuit has an antenna output for connection to the antenna input of the car radio, said circuit having an antenna input which is connected to an external antenna. A prioritizing circuit is arranged in the circuit, so that RDS signals transferring calls to the car radio always have to priority, while other signals have a lower priority. The RDS signals are also transferred when the car radio is switched off. The circuit moreover contains a switching circuit so that calls may be switched between the car radio and a headset, which may expediently be connected to the handsfree kit via a Bluetooth communications link. The invention provides a mobile, handsfree kit which is easy to install in a car, in particular subsequently, as the coupling to the car radio takes place by coupling the circuit to the antenna connector of the car radio, while the external radio antenna of the car is coupled to an antenna input of the circuit.
Abstract:
A wired voice communication device for establish a voice communication loop between a mobile telephone and at least a wired telephone. The wired voice communication device connect with a earphone jack of the mobile telephone and a line jack of the wired telephone respectively, in order to form the voice communication loop. The wired voice communication device produces periodic signal of the AC voltage when it detects the mobile telephone receive a call, this signal can make the wired telephone ring, and the wired telephone can stop ringing after its headphone is taken up. The wired voice communication device can connect with any mobile telephone on which has the earphone jack; and because it only use the analog signals, so there are not any compatible problems with the mobile telephone service of different frequency channels and different wireless communication protocols, which is provided by different supplier.
Abstract:
Methods, apparatus, and systems are provided for remoteable communication systems (Fig. 1). More particularly, the inventions of this system include a remoteable or distributed communications system having a plurality of front ends (Fig. 1, 110) located remotely from a base station. Each front end includes a receive side subsystem with an HTS filter (Fig. 1, 112), a non-linear modulator (see Fig. 1, 118), and may also include a low noise amplifier (Fig. 1, 116) coupled to the non-linear modulator (see Fig. 1, 118). The nonlinear modulator (Fig. 1, 118) modulates a RF signal in light prior to transport via an optical transmission path to the base station (Fig. 1, 160). Because the modulator is placed in the front end (Fig. 1, 118), no down conversion is required prior to transport of a received signal.
Abstract:
Die Erfindung betrifft eine Schaltungsanordnung zum Betrieb von Sende- und Empfangsgeräten (S/E Geräte) (1, 1’, 1’’, 1’’’) an einer Antenne(2). Mittels der Schaltungsanordnung kann eine Mehrzahl von S/E Geräten weitgehend verlustfrei im Hinblick auf die Sende- und Empfangsleistung und nahezu ohne gegenseitige Beeinflussung der Signalzweige der Geräte betrieben werden. Dazu sind zwischen der gemeinsamen Antenne und jedem S/E-Gerät Schaltungseinheiten (3, 3’, 3’’, 3’’’) zur Dämpfungskompensation (Compenser) angeordnet. Alle Sende- und Empfangszweige der Compenser sind über eine Zusammenschaltungseinheit (4) mit der Antenne verbunden. Die Sendezweige (5, 5’, 6, 6’) werden unter Zwischenschaltung je eines Isolators (15, 15’, 16, 16’) über passive Combiner (9, 11) zusammengeführt, wobei die Ausgangsleistung ihrer Sendeverstärker zum Ausgleich der Dämpfung in den Combinern erhöht ist. Eingehende Signale werden über Splitter (10, 12) auf alle Empfangszweige (7, 7’, 8, 8’) jeweils eines Frequenzbandes der Compenser verteilt, wobei ihre Dämpfung durch einen Verstärker der Zusammenschaltungseinheit kompensiert wird. Die Zusammenschaltungseinheit weist zur Trennung der Signalwege je Frequenzzweig eine Duplexweiche (13, 14) auf.
Abstract:
A communication assembly is used with an electronic device that creates electrical communication signals. The communication assembly is integrated into a motor vehicle having an electronic control system . The communication assembly includes a controller that is electrically connected to the electronic control system. The controller receives electric power from the electronic control system and bidirectionally communicates therewith. Using the bidirectional communication, the controller controls portions of the electronic control system. The communication assembly also includes a transceiver that is electrically connected to the controller. The transceiver dirirectionally communicates with the electronic device using a secure, wireless protocol. This allows the communication assembly to receive electrical communication signals created by the electronic device and to transmit those electrical communication signals to the controller to control portions of the electronic control system.
Abstract:
A detection system. The detection system includes a housing (150,150') positionable with respect to an ear of a person and a microphone (34, 34') disposed with respect to the housing for at least partial insertion into the ear of a person. The microphone is operable to detect a change in air pressure within the ear while the person makes an initiating action and to produce an electrical signal corresponding to the internally detected change in air pressure. A processing circuit (14, 14', 14", 36, 36', 42) is coupled to the microphone for processing the electrical signal to produce a corresponding output. Various alternative systems and sensors for use in detecting changes within the ear are also disclosed.