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| Application No. | Application Title | Issue Date |
| 20120020390 | ANGLE MODULATOR, TRANSMISSION DEVICE, AND WIRELESS COMMUNICATION DEVICE Disclosed are an angle modulator, a transmission apparatus, and a radio communication apparatus that can compensate phase discontinuity when an operational mode of a voltage controlled oscillator is switched. Angle modulator (100) includes phase difference detect... | 01/26/2012 |
| 20110275338 | PHASE PULSE SYSTEM AND METHOD FOR BANDWIDTH AND ENERGY EFFICIENT CONTINUOUS PHASE MODULATION A new pulse shape for CPM is introduced which is obtained by a linear combination of well-known RC and REC pulse shapes. The new pulse shape addresses the tradeoff between the width of the PSD main lobe and the rate of decay of the side lobe to improve the coded perform... | 11/10/2011 |
| 20110227662 | HYBRID MODULATION METHOD FOR PARAMETRIC AUDIO SYSTEM A parametric audio system that permits greater control over the bandwidth of a modulated signal. The system includes a carrier signal generator for generating a carrier signal, at least one audio signal source for generating at least one audio signal, and a modulation c... | 09/22/2011 |
| 20110057739 | BI-PHASE MODULATOR APPARATUS AND METHOD A bi-phase modulator including a driver and a mixer. The driver includes a prescaler having an input for receiving a signal and an output for outputting a baseband signal. The mixer includes a mixer having an input coupled to the output of the prescaler for receiving th... | 03/10/2011 |
| 20100295628 | Apparatus, method and computer program An apparatus, method and computer program, the apparatus including: a modulator including a first input for receiving a data signal and a second input for receiving an output signal from a phase locked loop wherein the modulator is for modulating the output signal from ... | 11/25/2010 |
| 20100291886 | Polar feedback architecture Polar feedback architecture. A polar modulator, as may be implemented within a transmitter module, of a communication device includes feedback. This feedback involves monitoring of phase information and magnitude/amplitude information of an output signal generated by th... | 11/18/2010 |
| 20100244976 | Clock Spreading Systems and Methods Clock spreading systems and methods are disclosed. In one embodiment of the invention, a clock spreading system is provided in an integrated transceiver system that comprises a base band control system and a transceiver coupled to the base band control system. The clock... | 09/30/2010 |
| 20100231314 | RADIO FREQUENCY PWM & PPM MODULATOR The present invention relates in general to transferring the envelope information of a polar modulated signal to a varying pulsewidth signal, while the phase modulation is direct transferred to the phase modulation of this PWM signal. Accordingly, the resultant signal i... | 09/16/2010 |
| 20100231315 | WIDEBAND PHASE MODULATOR An apparatus for phase modulation includes a delay locked loop configured to generate from a reference signal a plurality of phase shifted signals, each of the phase shifted signals being locked to the reference signal and having a different phase shift from the other p... | 09/16/2010 |
| 20100215120 | Low-Power Polar Transmitter Apparatus and methods for providing transmit signals in polar transmitters are described. A modulation signal may be provided from a VCO to low noise and low power signal paths and selectively combined based on a desired output power level. CMOS and CML divider circuits... | 08/26/2010 |
| 20100176893 | MODULATION DEVICE AND PULSE WAVE GENERATION DEVICE Provided is a modulation device including a signal selection circuit selecting two carrier signals from a plurality of carrier signals having the same frequency and the same phase difference according to a defined control signal and outputting the selected carrier signa... | 07/15/2010 |
| 20100109788 | Driver circuit In a driver circuit 10 for outputting a simulated signal simulating an input signal subjected to transmission loss, corresponding to the input signal, the driver circuit 10 comprises: a main driver 18 which receives the input signal and outputs an o... | 05/06/2010 |
| 20100026407 | MODULATOR It is possible to restrain distortions generated in a mixer. A modulator includes a local signal source that generates an in-phase local signal, a multiplier that multiplies an in-phase baseband signal (I) and the in-phase local signal by each other, a phase inverter th... | 02/04/2010 |
| 20090309670 | Switched Bands Phase Shifter A multiband phase shifter (MBPS) consists of at least two band phase shifters (BPSs). Each BPS has characteristic operating bandwidth such that the respective central frequency of the operating bandwidth of any such BPS is different than the other central frequencies of... | 12/17/2009 |
| 20090207941 | Delay-Based Modulation of RF Communications Signals An apparatus for providing an angle modulated signal includes a tunable oscillator circuit, a variable time delay circuit, and an optional scaling and delay control apparatus. The tunable oscillator circuit generates an oscillatory signal having a predetermined frequenc... | 08/20/2009 |
| 20090160572 | COMMUNICATION APPARATUS A communication apparatus has a local oscillator which performs phase modulation based on a phase component of a baseband signal and outputs a phase modulated signal, a controlling circuit which is supplied with an integer portion included in an amplitude component of t... | 06/25/2009 |
| 20080297270 | Driver circuit of optical modulator A drive signal generation unit generates first and second drive signals for driving first and second phase modulators of a DQPSK optical modulator. First and second regeneration circuits regenerate the first and second drive signals with respect to clock signals. The fi... | 12/04/2008 |
| 20080116986 | Method and System for Direct and Polar Modulation Using a Two Input PLL Aspects of a method and system for direct and polar modulation using a two input PLL are presented. Aspects of the system may include generating digital signals Wn and Vn from an input data signal Un and a feedback signal Yn. ... | 05/22/2008 |
| 20080088386 | JITTER GENERATING DEVICE AND PHASE MODULATING DEVICE A jitter generating device for generating a jitter on a carrier signal includes: a carrier signal generator for generating the carrier signal; a modulation signal generator for generating a modulation signal corresponding to the jitter; an orthogonal modulator for modul... | 04/17/2008 |
| 20080074209 | Modulator arrangement and method for signal modulation A modulator arrangement includes a power amplifier which receives a carrier signal and has a current control input and a voltage supply input. The modulator arrangement further includes a supply voltage modulator having an output coupled to the voltage supply input and ... | 03/27/2008 |
| 20070164835 | All-Digital Phase Modulator/Demodulator Using Multi-Phase Clocks and Digital PLL Multi-phase clocks are used to encode and decode signals that are phase-modulated. The input signal is phase-compared with a feedback clock. Phase differences increment or decrement an up/down counter. The count value from the up/down counter is applied to a phase rotat... | 07/19/2007 |
| 20060202774 | Transmission modulation apparatus, communication apparatus and mobile wireless apparatus Provided is a transmission modulation apparatus, using polar modulation of two-point modulation scheme, capable of completing a timing adjustment of a BB phase modulation signal and BB amplitude modulation signal in a short time. A phase modulation section (10) t... | 09/14/2006 |
