Patent
Apparatus comprising a broadcast receiver circuit and provided with an antenna
Reads0
Chats0
TLDR
In this article, an apparatus consisting of a broadcast receiver circuit, an embedded antenna for receiving broadcast signals, and a tuning circuit coupled between the antenna and the receiver circuit is described.Abstract:
The invention relates to an apparatus 1 comprising a broadcast receiver circuit, an embedded antenna for receiving broadcast signals and a tuning circuit coupled between the antenna and the receiver circuit, which tuning circuit comprises a filter circuit coupled to ground, wherein the tuning circuit is designed to have a first resonance at a first frequency below a broadcast band of interest, and a second resonance at a second frequency above the broadcast band and wherein the tuning circuit comprises an amplifier with an output to the receiver circuit and with an input to the filter circuit, and wherein the tuning circuit is provided with a carrier to noise ratio (CNR) which is substantially flat across the broadcast band.read more
Citations
More filters
Patent
Wireless power transmission with selective range
TL;DR: In this article, the authors describe a methodology for wireless power transmission based on pocket-forming, which may include one transmitter and at least one or more receivers, being the transmitter the source of energy and the receiver the device that is desired to charge or power.
Patent
System and method for controlling communication between wireless power transmitter managers
Douglas Bell,Michael Leabman +1 more
TL;DR: In this paper, a method for controlling communication between wireless power transmitter managers is disclosed, where a WiFi connection may be established between WPT managers to share information between system devices, and a WPT manager may need to fulfill two conditions to control power transfer over a customer device; customer device's signal strength threshold has to be significantly greater than 50%, such as 55% or more of the signal strength measured by all other wireless power transmitters and has to remain significantly higher than 50% for a minimum amount of time.
Patent
Receivers for Wireless Power Transmission
TL;DR: In this article, the authors provide various electric receiver arrangements which may be used to provide wireless power transmission using suitable power transmission techniques such as pocket-forming, where receivers may include at least one antenna connected to at least two rectifiers and one power converter.
Patent
Portable wireless charging pad
TL;DR: In this article, a method and apparatus for improved wireless charging pads for charging and/or powering electronic devices is presented, which does not require a power chord for connecting to a main power supply, for example a wall outlet.
References
More filters
Patent
Duplexer incorporating thin-film bulk acoustic resonators (FBARs)
TL;DR: In this article, the authors proposed a duplexer based on a film bulk acoustic resonator (FBAR) and a 90° phase shifter in series with a second band-pass filter.
Patent
Antenna device and portable radio communication device comprising such antenna device
Andrei Kaikkonen,Peter Lindberg +1 more
TL;DR: In this paper, an antenna device for a portable radio communication device adapted for receiving and/or transmitting radio signals in at least a first and a second operating frequency band, consisting of a half-loop radiating element, comprising a feeding portion and a grounding portion, was presented.
Patent
Mis-Matched Modulation-Demodulation Format Selectable Filters
TL;DR: In this paper, a modulation-demodulation format selectable (MFS) processor, cross-correlator and transmit filter for processing, crosscorrelating and filtering in-phase and quadrature-phase baseband signal is presented.
Patent
Transmit/receive switch device
TL;DR: In this paper, an integrated transmit/receive (T/R) switch device comprises a substrate, an antenna port to couple with an antenna, a transmitter port and a receiver port.
Patent
Wristwatch radio communication device having an improved noise shielding structure
Norio Hama,Shyogo Kurosawa +1 more
TL;DR: In this paper, the inner printed wire pattern is set at ground potential with respect to the high frequency output from the analog circuitry, which serves as a noise shielding member and provides effective noise shielding without increasing the size or the manufacturing cost of the device.