Sound indication box Belonging to civil electronic area, the sound indication box (SIB) is a device capable of detecting sound and making response to sound. SIB includes following parts: frame of SIB; sound d...
Piezoelectric resonant diaphragm type sensor The piezoelectric resonance diaphragm sensor belongs to the sensors, and it overcomes the limitation of the existing vibration tube icing sensor, for the detection of the icing phenomenon...
Three position integrated micro mechanical resonant beam system The trinity micro mechanical resonant beam system for the stress and displacement measurement in micro mechanical device consists of resonant beam with natural frequency for calculating t...
Rough road detection system A rough road detection system includes a collection module, a statistical module, and a comparison module. The collection module collects samples from a vibration sensitive signal. The st...
Aid device for setting inspection standard The invention provides an aid device for setting inspection standard, including: a frame profile operation means for performing frame division of waveform data, calculating a frame profil...
Resonant tunnelling bionic vector underwaster sensor A vector underwater sound transducer of resonant tunneling bionic type is prepared as applying semiconductor etching technique to each bottom-middle part of semiconductor substrate to be ...
Pipeline fluid noise auxiliary measuring device The pipeline liquid yawp assistant measuring equipment relates to barrel sound transmission water tank. There is joining slot on its bottom, and the joining slot tallies with pipe under t...
26
200610103029
Fiber-optic seismic sensor The invention relates to a fiber-optic seismic sensor ( 200 ) with a test body ( 110 ), characterized in that the test body ( 110 ) comprises several separate dishes ( 113, 114, 115, 116 ...
27
200610099656
Sensing apparatus A collision sensing apparatus (5-8) includes an acceleration sensor (50), first and second connector terminals (52, 53), reference connector terminals (54, 55) and leads (56-59). The acce...
Audio phase detector The disclosed audio phase detector comprises a single-tone signal generator and a phase detection device, wherein the 3 and 6 feet of the generator connect with C7, R20 and D4; the 5th fo...
Vibrating tester of resonance sensor
The invention relates to a test set to test mode of vibration of resonant-type sensor. It is made up of computer, drive signal source, laser vibration meter, and data collecting card. Th...
36
200610024955
Fibre-optical acoustic sensor
The composition of an optical fiber sound sensor is that a light source module is connected with a first port of a fiber synthetic wavelength element, the third port of said fiber light ...
37
200610067936
Knock sensor This invention provides a knock sensor can reduce change of pressure retentivity on sensor main body, bring preload to bear on piezoelectric element to make output characteristic and test...
Inspection method and inspection apparatus
The invention relates to a detect device and relative detect method, which can detect according to different worse condition. Wherein, said detect device is used to execute for processin...
40
200610049779
Energy exchanger of reflecting probe focusing acoustic field
A transverter of reflection probe type used for measuring focus sound field consists of reflection probe and focusing transverter .It features that said probe and said transverter are fi...
Noise detection auxiliary positioning device A noise detection auxiliary positioning device is discloses, including an a testing frame, a vertical angle testing jig and a height finding device. The testing frame, comprising of a l-s...
43
200510111893
Vibration sensor based on magnetic suspension principle The vibration sensor is composed of magnet and winding. Characters are that when sensor induces external vibration, relative motion between magnetic suspended magnet and magnet fixed insi...
44
200510127357
Acceleration meter and its measuring method Lower end of shell is clipped to base. Being composed of symmetrical U shaped butt jointed up and down soft irons, close type cylinder is installed inside shell. U shaped up and down posi...
45
200520123904
Device for measuring noise of railway This utility model belongs to a railway noisy detection device, wherein, the control circuit is comprised of a distinguishing circuit, a switch power circuit, a coupling transformer, an a...
Capacitive coseismic vector hydrophone and its process
The hydrophone is composed of disk shaped external case with wire guide, silicon micro acceleration sensor inside case, and suspension gear. Using mould, the technique prepares the disk ...
System and method for testing buzzer A method for testing buzzer includes setting audio specification of buzzer and storing its theoretical value in storage, connecting audio receiving unit to audio input port of host board ...
Abnormality diagnosis system for machinery An abnormality diagnosis system for machinery comprises an envelope processing section (103) for determining the envelope of a detection signal, an FFT section (104) for converting the en...
Sonic wave speed detector for pipeline A pipeline sound wave velocity detecting device consists of a transmitter, a receiver 1 and a receiver 2. The sound transmitter transmits sound wave pulses; the sound receiver 1 receives ...
58
200510037344
Low-frequency wave rate measuring system and method The invention provides the frequency measuring system of a low-frequency wave including the wave generator to emit a first wave of the fixed-frequency; a detected device to emit a second ...
59
200580001831
Abnormality diagnosis device and abnormality diagnosis method An abnormality diagnosis device used for a machine apparatus having a part rotating and sliding relative to a stationary member is provided with a detection section (31) and a signal proc...
60
200510012815
Tunnelling resonance microsound sensor
A resonant tunneling micro sound transducer is prepared as fabricating out resonant tunneling piezo – resistance on super lattice film, fabricating super lattice film substrate to be f...
61
200510104011
Portable electronic device The portable electronic device set on a vehicle comprises: a power switch to provide a first/second power on first/second state, a oscillation detection unit to detect vehicle oscillation...
62
200520075301
Ultrasonic power metering device The utility model is aimed at the open question of the available ultrasound power metrology, and designs a kind of ultrasonic power metering device. It is characterized by that it is comp...
Pressure resistance vector hydrophone device This utility model relates to a vector hydrophone, namely a piezoresistive vector hydrophone device, characterized in that: the cantilever beam structure (1) and the quality structure (4)...
Ultrasonic power measuring device This invention belongs to medical mechanism technique field and relates to one hypersonic power measurement device for medical device, which comprises shell with hypersonic energy convers...
Sensor node for impact detection
The invention provides a sensor node for detecting a shock that determines the strength of the shock via multiple values or analog input and reducing the power consumption of the sensor ...
Piezoelectric sound-sensitive sensor The utility model relates to a kind of piezoelectric pick-up. There is an operation judgment of reciprocating compressor, pump equipment characterized by act of man and it can
71
200510089078
Piezoelectric acoustic sensor
A piezoelectric sound sensitive transducer consists of pickup head for picking sound signal up, insulation base and its press plate for placing piezoelectric element with base electrode ...
72
200520115476
Sound wave characteristic measurer The utility model discloses a sound wave characteristic measurer. A pinger (4) connected to the signal generator(1) is installed at the focus of a parabolic sound wave reflecting surface(...
73
200520043287
Acoustic image measurer The utility model relates to an acoustic image measurer which is composed of measurement transducing mechanism and measurement analysis mechanism. Its feature is that the said measurement...
Magnetic-suspension self-power-supply vibration sensor
Present invention refers to magnetic suspension self-powered vibration transducer. It contains one shell, vibration induction device, signal processing circuit, radio frequency emission ...
76
200580018751
Method of adjusting at least one faulty rotor of a rotorcraft The present invention relates to a method of adjusting at least one defective, main or anti-torque rotor of a particular rotorcraft. The method uses a neural network representing the rela...
Aid device for inspection system and display method therefor This invention provides an intelligent preparation support system allowing a user to determine efficiently a feature quantity and/or a parameter optimum to an inspection device. A compute...
80
200510069277
Method for detecting active sound wave in supersonic flow field
This invention discloses a hyper sonic flow field active sound wave measurement method, which comprises the following steps: a, generating a series of high frequency impulse signals by c...
81
200580016110
Vibration sesor A vibration sensor whose impact resistance is improved without reduction in sensitivity. The vibration sensor has a fixed electrode and a vibration plate (3) whose surface facing the fixe...
82
200520041468
Sound power measuring clamp A sound power measuring clamp, it is qualified to erect multiple microphones to conduct the measure for the sound power. It comprises one type of semi-sphere attachment and multiple the l...
Multiple modes acoustic wave sensor A multiple mode sensing system is described, which can be configured from an acoustic wave sensor that includes a plurality of sensing components for monitoring a chemical species. The pl...
Noise-measuring device and method
This invention relates to a noise-measuring device and method, which comprises a first/second sound level meter both parallel coupled with following conversion unit to measure noise valu...
88
200520008734
Vibrating perceptron The utility model relates to a kind of vibrating perceptron which comprises a noumenon which is a hollow column modality, at the both ends of the bottom of the noumenon is located a nick;...
89
200510053510
Single-channel multi-parameter surface plasms resonance tester
A resonant ester of single channel and multiple parameter surface plasma consists of control unit, optical unit, mechanical scanning unit, circulation unit, surface plasma resonant chip,...
90
200510020426
Self-supplying energy micro-vibration sensor
Teh present invention relates to a micro self-powered vibration transducer. It mainly includes MEMS variable capacitor, electret and processing circuit, in which the MEMS variable capaci...
Improvements in and relating to accelerometers A fibre optic accelerometer (1) particularly intended for use with an interferometer (30) is described. The accelerometer (1) utilises the compliant cylinder approach but through providin...
94
200510000346
Real-time ultrasonic energy monitoring apparatus and method
The invention provides a real-time ultrasonic energy monitor and method used in real-time monitoring the work condition of the ultrasonic generator during high strength focus ultrasonic ...
95
200420113787
Three-component optical vibration measurer A three-component optical vibration measurer relates to vibration measurement field. The apparatus consists of a casing body, a heavy object which is inside the casing body and is positio...
96
200410104998
Knock sensor A knock sensor of the invention includes a base having a cylindrical part mounted on a vibration generating part and a flange part, an annular piezoelectric element fitted to the cylindri...
97
200410104992
Device for indicating the vibration level of an apparatus The invention relates to a apparatus indicating at least vibratory level (VIB1) from first accelaring signal gamma1. The device has an analyzing unit (FT1) for decomposing an acceleration...
98
200410101416
Method for judging touch and contact, and application
The invention uses two sound pickups as sensors, a primary sound pickup and an auxiliary one. By selecting connection material and mode between sound pickup and touched object, and using...