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Telecommunications > Transmitter > Power Control, Power Supply, Or Bias Voltage Supply > Dual Mode (e.g., Analog And Digital) Dual Mode (e.g., Analog And Digital)Dual Mode (e.g., Analog And Digital) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.12/28/06 - 20060293005 - Wireless transmission apparatus, polar modulation transmission apparatus, and wireless communication apparatus A wireless transmission apparatus of multi-mode operation with superior power efficiency is provided. Switches (115 and 117) are switched over in such a manner that a modulation signal outputted from a wireless GSM/EDGE (UB) signal formation circuit (101-3) of a high-frequency signal processing circuit (101) is outputted to a high-frequency ... 10/26/06 - 20060240790 - Wireless transmitter A wireless transmitter for generating and transmitting wireless signals comprises a main unit and a plurality of auxiliary units, each having an outer casing and a fastening mechanism for connecting the casing of each auxiliary unit to that of the main unit. The main unit includes a signal generator for ... 10/26/06 - 20060240789 - Reuse of digital-to-analog converters in a multi-mode transmitter A transmitter for generating modulated signals is shown, wherein in a first-type operating mode, a first digital signal is input into a digital-to-analog converter to obtain a first analog signal that is input into a first-type unit, in which a first-type modulated signal is generated in dependence on at least ... 10/05/06 - 20060223465 - Dual mode communication system, dual mode communication method and dual mode communication user equipment A dual mode communication system, with user equipment selectively connectable to a plurality of communication systems, for switching communication systems to which the user equipment should be connected, detects that the remaining battery level fell below a first threshold in the user equipment communicating over the W-CDMA system. In the ... 10/05/06 - 20060223464 - Method for switching a power amplifier A power amplifier switching circuit includes a transmission filter. A first switch having an input connects to the transmission filter. A second switch connects to a first output of the first switch. A receive portion of a duplexer connects to an output of the second switch. A power amplifier receives ... 09/28/06 - 20060217090 - Linear and non-linear dual mode transmitter A transmitter includes a dual mode modulator and an amplifier coupled to the dual mode modulator. The dual mode modulator implements a linear modulation scheme during a first mode of the modulator to produce a variable envelope modulated signal. The dual mode modulator implements a non-linear modulation scheme during a ... 03/09/06 - 20060052072 - Electronic apparatus and system with multi-purpose interface A highly versatile interface that is capable of digital and audio signal coupling is provided. The interface comprises contacts (122, 124, 216, 218) that are used to couple both audio and digital signals, and separate contacts (126, 220) that are used initiate and negotiate signaling mode transitions. Transitions can be ... 02/09/06 - 20060030282 - Impedance matching circuit for a multi-band radio frequency device In an impedance matching circuit for a multi-band radio frequency device, a first radio frequency signal in a first sub-band of a multi-band radio frequency signal is selectively outputted. Further, a second radio frequency signal in a second sub-band of the multi-band radio frequency signal is selectively outputted. Selective outputting ... 09/15/05 - 20050202791 - Operating mode extensions in wireless communications networks A messages and methods for allocating communications network resources including receiving at a first network a message sent (230) from a communications device connected to the first network, assigning the communications device to a second network (240), coordinating and obtaining assignment information from the new network (250, 260), sending an ... 09/08/05 - 20050197078 - Multimode wireless transmitter and a portable wireless device using the same The circuits of a multimode wireless transmitter are complex and large, and thus difficult to incorporate in a portable wireless device. This problem is solved for a multimode wireless transmitter by enabling the first frequency mode circuit and the second frequency mode circuit to use the same frequency dividers. ... ### FreshPatents.com Support |