Modulators inventions 01/09

20090027134 - Waveform generator, waveform generating device, test apparatus, and machine readable medium storing a program threrof: There is provided a waveform generator for generating an analog signal, including a data changing section which changes an input data sequence, which is a sequence of binary data and which is to be modulated to the signal which the waveform generator should generate, to generate an after-change data sequence... Agent: Jianq Chyun Intellectual Property Office

20090027135 - Waveform generator, waveform generating device, test apparatus, and machine readable medium storing a program threrof: There is provided a waveform generator for generating an analog signal, including a data changing section which changes an input data sequence, which is to be modulated to the signal which the waveform generator should generate, to generate an after-change data sequence such that an initial phase and a final... Agent: Jianq Chyun Intellectual Property Office

20090021319 - Frequency shift keying modulator and applications thereof: An FSK modulator and applications thereof are disclosed. The FSK modulator comprises a phase-locked loop, a frequency divider module, an image rejection mixer and a summing module. The phase-locked loop is operably coupled to generate a first oscillation from a reference oscillation. The frequency divider module is operably coupled to... Agent: Garlick Harrison & Markison

20090021320 - Cartesian modulation system via multi-level pulse width modulation: A system and method for Cartesian modulation achieved via generation of a three-level pulse width modulated signal. The system in overview comprises two binary pulse width modulated signal generators receiving signals related to the in-phase and quadrature components of a base-band signal and a combination and amplification stage that combines... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090021321 - Hybrid linear and polar modulation apparatus: The invention is directed at a hybrid modulation apparatus which combines a polar modulation circuit and a linear modulation circuit. The hybrid apparatus allows a communications device to function as a polar or a linear modulation circuit with less components as the output of the linear modulation circuit is an... Agent: Borden Ladner Gervais LLP Gail C. Silver

20090015344 - Avoidance of discontinuities when switching between modulation schemes: Modulator system (1) comprising modulators (2, 3, 4) for modulating input signals (A) according to different modulation schemes (8PSK, GMSK) cause discontinuities in the output signals (F) when switching between the schemes. By providing the modulator systems (1) with compensators (13, 22-26) for compensating amplitudes/phases of the output signals (F)... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090009258 - Enhanced spectral keying for wireless ultra wideband communications: Methods provide for the amount of information encoded by spectral keying into a UWB symbol having a plurality of modulation symbol times, to be increased by operating two or more frequency band carriers simultaneously during at least one of a plurality of modulation symbol times. In one aspect of the... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090009259 - Angle modulator: An angle modulator having an excellent noise characteristic and an excellent distortion characteristic independent of an unwanted wave component of an optical modulation signal is provided. The angle modulator (10) includes an optical SSB modulation section (103a), an optical SSB-SC modulation section (104a), and an optical angle modulation section (105).... Agent: Wenderoth, Lind & Ponack L.L.P.

20090002089 - Digital fm transmitter with variable frequency complex digital if: A system, method and apparatus are described for digitally synthesizing a signal for FM transmission. A complex variable frequency digital IF signal is generated for use by a digital modulator in transmission of a signal with an integrated circuit. In some examples, the integrated circuit includes various baseband processing blocks,... Agent: Merchant & Gould PC