Method and device for detecting voice quality The invention discloses a method for testing the quality of voice, which includes: it detects the percentage of effective voice frames of terminal and network in the total number of relat...
Automobile acceleration monitor anti-theft warning system The car acceleration supervision and guard against theft and alarm system includes the sensor of the wheel state within the wheel, the sound-light annunciator within the bodywork. The sen...
Device and method for controlling a voltage control signal A device is disclosed that includes an amplification part for a linear transmitter, the amplification part being configured to amplify a transmission signal in accordance with a supply vo...
Connector for bidirectional optical communication Attachments are respectively attached to one ends of a pair of light guides, which are integrally formed via a connecting portion, such that the attachments surround the one ends of the l...
10
200610172053
Signalling in multi-hop communication systems This application relates to techniques for reducing the signalling overhead associated with multi-hop communication systems which require one or more administrative signals to be transmit...
Wireless communication device A wireless communication device includes a wireless transmitting section, a distance measuring section, a transmission method sorting section, a link quality determining section, and a wi...
15
200610169205
Sliding device for a portable device and portable phone A slide mechanism of a portable device and a portable telephone comprising such a slide mechanism is provided for a semi-automatic opening and closing with a simpler structure, as well as...
16
200610169013
PLL frequency generator The invention relates to a PLL frequency generator for generating an output signal with a settable target frequency, comprising a) a voltage-controlled oscillator for generating the outpu...
17
200610170081
PLL frequency generator The invention relates to a PLL frequency generator for generating an output signal with a settable target frequency, comprising a) a voltage-controlled oscillator for generating the outpu...
Mobile telephone testing system A mobile phone test system comprises test databank for storing test data used to carry out mobile phone test, data conversion unit for generating control data according to test data and p...
21
200610167293
Network diagnostic method The present invention provides a network diagnostic method. The method includes the steps of: first, obtaining a plurality of first coefficients to be stored from the first test signal du...
22
200610168014
Method and apparatus for obtaining path wear-out error A method for obtaining loss error of path obtains loss error of path by user device UE according to corresponding relation of obtained emission time lead TA regulation value to path loss ...
Communication apparatus and communication method The invention provides a communication apparatus and a communication method. The subject of the invention is that, in a spectrum sharing environment in which multiple systems communicate ...
25
200610125466
Method for detecting optic fiber polarization mould dispersion This invention relates to a measurement method for fiber polarization mode dispersion(PMD) under the zero strain state, which winds fibers to a test disk with the radius greater than or e...
Series one divided into two optic fiber converter The optical fiber converter includes supply voltage changer (SVC) chip MAX232CWE, optical fiber drive (OFD) chip DS75451, two pieces of light emission module HFBR1414T, two pieces of ligh...
Measuring method for polarized dependent loss PDL This invention relates to a measurement method for PDL characterizing that: an incident modulated optical signal enters into a dual-refraction device to pass through a polarization rotor,...
36
200610167252
Channel adaptive device and channel adaptive method An adapting method of channel includes carrying out estimation on state of current channel by user terminal for obtaining CQI data, adjusting CQI data according to preset revision paramet...
37
200610061489
Method for obtaining protection path information
The related calculation method for business protective path comprises: the network management system receives the creation request for path protection; according to the source, host node...
38
200610165637
A method for wireless access and access controller The disclosed wireless access method comprises: the access controller decides whether current user is cruised, yes to skip the access identification and provide the wireless access servic...
39
200610169328
Voltage-controlled oscillator, transmitter and receiver A voltage-controlled oscillator of the invention includes Wa first variable-capacity element, a resonance circuit whose resonance frequency changes in accordance with a control voltage ap...
Noise canceller To reproduce the waveform of an original signal with high accuracy. The noise canceller includes a forward linear prediction processing part 155 for performing a forward linear prediction...
ONU management method and optical line termination The technique problem to be solved in the present invention is that distributing the PON-ID the same as before the exchange in the PON system, after the exchange, the data that described ...
Multiple tuners in a single radio receiver
A radio receiver having multiple AM/FM tuners. A first tuner and a second tuner may be connected with an antenna for generating a first and second composite audio output signal. A dual i...
54
200410094628
Active antenna with amplifier
An active antenna, the electrical length of which can be varied with the use of an inductor coil and which has an amplification circuit, is provided. The active antenna comprises a passi...
55
200410095685
Gradient displaying method of mobile terminal
A gradient displaying method and a mobile terminal capable of displaying a gradient of a screen during image photographing using a camera of the mobile terminal. A gradient sensor or a h...
Decaying gradually non-linear processor and process thereof
A gradually attenuative non-linear processor system for speech synthesizer is composed of an adaptive filter for convolving the speech signal and pulse response of terminal A to generate...
Convergent detection in interactive multiple-consumer detection
A convergent detection method in iterative multi-user detection includes such steps as creating system equation Ax=b, where A is the relative array of system and b is receiving data vect...
64
200410091085
Single-chip protection switching device
The invention is in use for protecting single board of having outgoing lines. The parts to be protected include following units: protection boards in use for replacing boards to be prote...
Chromatic dispersion compensation module
An optical module for chromatic dispersion compensation comprises an optical fiber wound so as to present a variable radius of curvature. The fiber has an index profile such that it has,...
68
200480035772
New receiver architecture for wireless communication system A bandpass-sampling receiver is proposed, comprising: the first Sigma-delta ADC, for converting the received RF signal into the first channel of digital signal under the control of the fi...
Optical module A optical module is equipped with a filter, an optical fiber for guiding a light wave to the end face of the filter, an optical fiber for guiding from the end face of the filter a light w...
Wireless transmission system The present invention relates to a method of wirelessly transmitting data having continuity, while maintaining its continuity, from a transmission apparatus to a reception apparatus in re...
A receiver for wireless communication system An RF filtering and amplifying apparatus is proposed, comprising: a plurality of RF filters, connected with each other in a manner of cascade, for filtering the received radio signal leve...
Bluetooth accessing point link management method
The invention relates to a blue-tooth access point chain management method, which includes: between the blue-tooth and a blue-tooth chip in the blue-tooth access point, an asynchronous c...
Base of free space optical communication equipment The utility model relates to a base of free space optical communication optical communication equipment, it includes: upper base, lower base, base frame, pitch angle regulating device and...
Arrangement for the compensation of raman scattering A light beam (LS), which is used to transfer a wavelength multiplex signal (WDMv), is guided to a Bragg grating (BG) by means of an adjustable mirror (MR1). According to the angle of inci...
87
200410011747
System and method for optically labeled packet transmission
A system and method for transmitting optically labeled packets using DPSK/ASK modulation. The system comprises a transmitter including at least two modulators adapted to provide DPSK mod...
Method and apparatus for automatic frequency correction The present invention is related to a method and apparatus for automatic frequency correction of a local oscillator. The apparatus receives a carrier signal. The carrier signal includes a...
90
200410011878
Analog equalizer
The analog equalizer 9 is provided with the mixer 11 and the analog delay circuit 12. The mixer 11 mixes input differential signals DIN and DIN- and delay differential signals DDOUT an...
System and method for optical transmission
A system and method for generating multilevel coded optical signals for optical transmission are disclosed. The method comprises driving modulators with synchronous data signals having t...
94
200410080164
Method of proceeding resynchronization of interface link
This invention discloses a method for re-synchronizing interface links, in which, said interface includes two logic ports designed with a receiving entity and a sending entity. The metho...
95
200480029396
Systems and methods that employ a balanced duplexer
The present invention relates to systems and methods that employ a novel balanced duplexer that can be utilized to facilitate concurrent signal transmission and reception. The systems an...
Method of initiating multimedia broadcast multicast services
A method of wireless communication. In one embodiment, the method comprises the step of receiving a multicast control message. The multicast control message may include information regar...
