WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

G10K　SOUND-PRODUCING DEVICES (sound-producing toys A63H 5/00; musical instruments or parts thereof, see the relevant subclass, e.g. G10D); ACOUSTICS NOT OTHERWISE PROVIDED FOR (systems using the reflection or reradiation of acoustic waves G01S 15/00; generating seismic energy G01V 1/02; signalling or calling arrangements, alarm arrangements G08B; piezo-electric electrostrictive or magnetostrictive elements in general H01L 41/00; transmission systems using infrasonic, sonic, or ultrasonic waves H04B 11/00; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers H04R)

G10K 1/00 Devices in which sound is produced by striking a resonating body, e.g. bell, chimes, gong (combinations with clocks or watches G04B, G04C; carillons G10F 1/10; {for percussion instruments G10D 13/00})

G10K 1/06 ・the resonating devices having the shape of a bell, plate, rod, or tube (bells for towers G10K 1/28)

G10K 1/062 ・・electrically operated {self-interrupting relays H01H 51/34}

G10K 1/063 ・・・the sounding member being a bell

G10K 1/064 ・・・・Operating or striking mechanisms therefor

G10K 1/0645 ・・・・・{provided with loudness adjustment}

G10K 1/065 ・・・・・for timed or repeated operation {alarm-clocks G04C 21/00}

G10K 1/066 ・・・the sounding member being a tube, plate or rod

G10K 1/067 ・・・・Operating or striking mechanisms therefor

G10K 1/068 ・・hydraulically operated; pneumatically operated

G10K 1/07 ・・mechanically operated; Hand bells; Bells for animals

G10K 1/071 ・・・Hand bells; Bells for animals

G10K 1/072 ・・・Operating or striking mechanisms therefor

G10K 1/074 ・・・・with rotary clappers or shells

G10K 1/076 ・・・・for timed or repeated operation {alarm-clocks G04B 23/00}

G10K 1/08 ・・Details or accessories of general applicability

G10K 1/10 ・・・Sounding members; Mounting thereof; Clappers or other strikers

G10K 1/26 ・・・Mountings; Casings

G10K 1/28 ・Bells for towers or the like

G10K 1/30 ・・Details or accessories

G10K 1/32 ・・・Sounding members; Clappers or other strikers

G10K 1/34 ・・・Operating mechanisms

G10K 1/341 ・・・・{for a still-standing bell}

G10K 1/342 ・・・・・{electrically operated}

G10K 1/344 ・・・・{for an oscillating bell which is driven once per cycle}

G10K 1/345 ・・・・・{electrically operated}

G10K 1/347 ・・・・{for an oscillating bell which is driven twice per cycle}

G10K 1/348 ・・・・・{electrically operated}

G10K 1/36 ・・・Means for silencing or damping (means or arrangements for avoiding or reducing out-of-balance forces due to motion F16F 15/00)

G10K 1/38 ・・・Supports; Mountings

G10K 3/00 Rattles or like noise-producing devices, {e.g. door-knockers}

G10K 5/00 Whistles

G10K 5/02 ・Ultrasonic whistles

G10K 7/00 Sirens

G10K 7/005 ・{Ultrasonic sirens}

G10K 7/02 ・in which the sound-producing member is rotated manually or by a motor (G10K 7/06 takes precedence; {musical tops A63H 1/28})

G10K 7/04 ・・by an electric motor

G10K 7/06 ・in which the sound-producing member is driven by a fluid, e.g. by a compressed gas {(fluidically operated vibrators B06B 1/18)}

G10K 9/00 Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horn, vehicle hooter, buzzer (loudspeakers or like acoustic electromechanical transducers H04R){arrangement or adaptation for ships B63B 45/08; mechanically driven vibrators B06B 1/10}

G10K 9/02 ・driven by gas; e.g. suction operated

G10K 9/04 ・・by compressed gases, e.g. compressed air

G10K 9/06 ・・produced by detonation

G10K 9/08 ・driven by water or other liquids

G10K 9/10 ・driven by mechanical means only

G10K 9/12 ・electrically operated

G10K 9/121 ・・{Flextensional transducers}

G10K 9/122 ・・using piezo-electric driving means {(G10K 9/121 takes precedence)}

G10K 9/125 ・・・with a plurality of active elements

G10K 9/128 ・・using magnetostrictive driving means {(G10K 9/121 takes precedence)}

G10K 9/13 ・・using electromagnetic driving means

G10K 9/15 ・・・Self-interrupting arrangements

G10K 9/16 ・・with means for generating current by muscle power

G10K 9/18 ・Details, e.g. bulb, pump, piston, switch, casing {cones, diaphragms G10K 13/00}

G10K 9/20 ・・Sounding members

G10K 9/22 ・・Mountings; Casings

G10K 11/00 Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general ({protective devices for the ears A61F 11/06}; sound insulation for vehicles B60R 13/08; sound insulation for aircraft B64C 1/40; sound insulating materials, see the relevant places, e.g. C04B 26/00 to C04B 38/00; reduction of noise on permanent way E01B 19/00; absorption of air-transmitted noise from road or railway traffic E01F 8/00; noise insulation, absorption or reflection in buildings E04B 1/74; room acoustics E04B 1/99; sound insulation in floors E04F 15/20; gas-flow silencers or exhaust apparatus for machines or engines in general, for internal-combustion engines F01N; intake silencers for internal-combustion engines F02M 35/00; suppression of undesired vibrations F16F 7/00 to G10K 15/00; preventing noise in valves F16K 47/02; noise absorbers in pipes F16L 55/02; arrangements for suppressing noise in direct-contact trickle coolers F28C 1/10; silencers for weapons F41)

G10K 11/002 ・{Devices for damping, suppressing, obstructing or conducting sound in acoustic devices (G10K 1/06 to G10K 1/10 take precedence; for electro-mechanical transducers for communication H04R 3/002)}

G10K 11/004 ・{Mounting transducers e.g. provided with mechanical moving or orienting device (mountings specially adapted to a particular sound-producing device, see the preceding groups G10K 1/00 to G10K 9/00, e.g. G10K 1/26, G10K 1/28, G10K 9/22; arrangements of sonic watch equipment on submarines B63G 8/39; buoys B63B 22/00)}

G10K 11/006 ・・{Transducer mounting in underwater equipment, e.g. sonobuoys}

G10K 11/008 ・・・{Arrays of transducers (seismic streamers, see G01V 1/20)}

G10K 11/02 ・Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators

G10K 11/025 ・・{horns for impedance matching (see provisionally also G10K 11/28)}

G10K 11/04 ・・Acoustic filters {; Acoustic resonators}

G10K 11/08 ・Non-electric sound-amplifying devices, e.g. non-electric megaphones (amplifying by horns G10K 11/02; amplifying by focusing G10K 11/26)

G10K 11/16 ・Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound (G10K 11/36 takes precedence)

G10K 11/161 ・・{in systems with fluid flow(G10K 11/16B takes precedence; gas flow silencers or exhaust apparatus for machines or engines in general or for internal combustion engineF01N, noise absorbers in pipes or pipe systemsF16L 55/02; noise absorption in air conditioning and ventilationF24F 13/00C; silencing exhaust or propulsion jets in aircraftB64D 33/06)}

G10K 11/162 ・・Selection of materials

G10K 11/165 ・・・Particles in a matrix

G10K 11/168 ・・・Plural layers of different materials, e.g. sandwiches

G10K 11/172 ・・・using resonance effects

G10K 11/175 ・・using interference effects; Masking sound

G10K 11/178 ・・・by electro-acoustically regenerating the original acoustic waves in anti-phase

G10K 11/1782 ・・・・{using single input}

G10K 11/1784 ・・・・{using multiple inputs; single output}

G10K 11/1786 ・・・・{using multiple inputs; multiple outputs}

G10K 11/1788 ・・・・{Structural details}

G10K 11/18 ・Methods or devices for transmitting, conducting, or directing sound (G10K 11/02, G10K 11/36 take precedence; medical stethoscopes A61B 7/02)

G10K 11/20 ・・Reflecting arrangements (G10K 11/28 takes precedence)

G10K 11/205 ・・・{for underwater use}

G10K 11/22 ・・for conducting sound through hollow pipes, e.g. speaking tubes

G10K 11/24 ・・for conducting sound through solid bodies, e.g. wire

G10K 11/26 ・・Sound-focusing or directing, e.g. scanning {horns for impedance matching G10K 11/02; megaphones G10K 11/08}

G10K 11/28 ・・・using reflection, e.g. parabolic reflector {(hearing aids A61F 11/008)}

G10K 11/30 ・・・using refraction, e.g. acoustic lenses

G10K 11/32 ・・・characterised by the shape of the source

G10K 11/34 ・・・using electrical steering of transducer arrays, e.g. beam steering {(constructional aspects B06B 1/0607, B06B 1/085)}

G10K 11/341 ・・・・{Circuits therefor}

G10K 11/343 ・・・・・{using frequency variation or different frequencies}

G10K 11/345 ・・・・・{using energy switching from one active element to another}

G10K 11/346 ・・・・・{using phase variation}

G10K 11/348 ・・・・・{using amplitude variation}

G10K 11/35 ・・・using mechanical steering of transducers {or their beams}

G10K 11/352 ・・・・{by moving the transducer}

G10K 11/355 ・・・・・{Arcuate movement}

G10K 11/357 ・・・・{by moving a reflector}

G10K 11/36 ・Devices for manipulating acoustic surface waves (electro-acoustic amplifiers H03F 13/00; networks comprising electro-acoustic elements H03H 9/00)

G10K 13/00 Cones, diaphragms, or the like, for emitting or receiving sound in general (for electromechanical transducers H04R 7/00)

G10K 15/00 Acoustics not otherwise provided for

G10K 15/02 ・Synthesis of acoustic waves (synthesis of speech G10L)

G10K 15/04 ・Sound-producing devices (G10K 15/02 takes precedence)

G10K 15/043 ・・{producing shock waves (G10K 15/046, G10K 15/06 take precedence; generating seismic energy G01V 1/02)}

G10K 15/046 ・・{using optical excitation, e.g. laser bundle}

G10K 15/06 ・・using electric discharge

G10K 15/08 ・Arrangements for producing a reverberation or echo sound {modifying acoustic properties to change reverberation time G10K 11/002}

G10K 15/10 ・・using time-delay networks comprising electromechanical or electro-acoustic devices

G10K 15/12 ・・using electronic time-delay networks G10K 2200/00

G10K 2200/10 ・Beamforming, e.g. time reversal, phase conjugation or similar

G10K 2200/11 ・Underwater, e.g. transducers for generating acoustic waves underwater

G10K 2210/00 Details of active noise control [ANC] covered by G10K 11/178 but not provided for in any of its subgroups

G10K 2210/10 ・Applications

G10K 2210/101 ・・One dimensional

G10K 2210/102 ・・Two dimensional

G10K 2210/103 ・・Three dimensional

G10K 2210/104 ・・Aircos

G10K 2210/105 ・・Appliances, e.g. washing machines or dishwashers

G10K 2210/1051 ・・・Camcorder

G10K 2210/1052 ・・・Copiers or other image-forming apparatus, e.g. laser printer

G10K 2210/1053 ・・・Hi-fi, i.e. anything involving music, radios or loudspeakers

G10K 2210/1054 ・・・Refrigerators

G10K 2210/106 ・・Boxes, i.e. active box covering a noise source; Enclosures

G10K 2210/107 ・・Combustion, e.g. burner noise control of jet engines (internal combustion engines G10K 2210/121)

G10K 2210/108 ・・Communication systems, e.g. where useful sound is kept and noise is cancelled

G10K 2210/1081 ・・・Earphones, e.g. for telephones, ear protectors or headsets

G10K 2210/1082 ・・・Microphones, e.g. systems using "virtual" microphones

G10K 2210/109 ・・Compressors, e.g. fans

G10K 2210/11 ・・Computers, i.e. ANC of the noise created by cooling fan, hard drive or the like

G10K 2210/111 ・・Directivity control or beam pattern

G10K 2210/112 ・・Ducts (vehicle exhausts G10K 2210/12822)

G10K 2210/113 ・・Elevators

G10K 2210/114 ・・Feeders, i.e. of the vibrating kind

G10K 2210/115 ・・Impact noise, e.g. from typewriter or printer

G10K 2210/116 ・・Medical; Dental

G10K 2210/1161 ・・・NMR or MRI

G10K 2210/117 ・・Nonlinear

G10K 2210/118 ・・Panels, e.g. active sound-absorption panels or noise barriers

G10K 2210/119 ・・Radiation control, e.g. control of sound radiated by vibrating structures

G10K 2210/12 ・・Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin

G10K 2210/121 ・・Rotating machines, e.g. engines, turbines, motors; Periodic or quasi-periodic signals in general

G10K 2210/122 ・・Seismics

G10K 2210/123 ・・Synchrophasors or other applications where multiple noise sources are driven with a particular phase relationship

G10K 2210/124 ・・Traffic

G10K 2210/125 ・・Transformers

G10K 2210/126 ・・Transients

G10K 2210/127 ・・Underwater acoustics, e.g. for submarine

G10K 2210/128 ・・Vehicles

G10K 2210/1281 ・・・Aircraft, e.g. spacecraft, airplane or helicopter

G10K 2210/1282 ・・・Automobiles

G10K 2210/12821 ・・・・Rolling noise; Wind and body noise

G10K 2210/12822 ・・・・Exhaust pipes or mufflers

G10K 2210/1283 ・・・Trains, trams or the like

G10K 2210/129 ・・Vibration, e.g. instead of, or in addition to, acoustic noise

G10K 2210/1291 ・・・Anti-Vibration-Control, e.g. reducing vibrations in panels or beams

G10K 2210/30 ・Means

G10K 2210/301 ・・Computational

G10K 2210/3011 ・・・Single acoustic input

G10K 2210/3012 ・・・Algorithms

G10K 2210/3013 ・・・Analogue, i.e. using analogue computers or circuits

G10K 2210/3014 ・・・Adaptive noise equalizers [ANE], i.e. where part of the unwanted sound is retained

G10K 2210/3015 ・・・Averaging, e.g. exponential

G10K 2210/3016 ・・・Control strategies, e.g. energy minimization or intensity measurements

G10K 2210/3017 ・・・Copy, i.e. whereby an estimated transfer function in one functional block is copied to another block

G10K 2210/3018 ・・・Correlators, e.g. convolvers or coherence calculators

G10K 2210/3019 ・・・Cross-terms between multiple in's and out's

G10K 2210/3021 ・・・Eigenfrequencies; Eigenvalues, e.g. used to identify most significant couplings between actuators and sensors

G10K 2210/3022 ・・・Error paths

G10K 2210/3023 ・・・Estimation of noise, e.g. on error signals

G10K 2210/30231 ・・・・Sources, e.g. identifying noisy processes or components

G10K 2210/30232 ・・・・Transfer functions, e.g. impulse response

G10K 2210/3024 ・・・Expert systems, e.g. artificial intelligence

G10K 2210/3025 ・・・Determination of spectrum characteristics, e.g. FFT

G10K 2210/3026 ・・・Feedback

G10K 2210/3027 ・・・Feedforward

G10K 2210/3028 ・・・Filtering, e.g. Kalman filters or special analogue or digital filters

G10K 2210/30281 ・・・・Lattice filters

G10K 2210/3029 ・・・Fuzzy logic; Genetic algorithms

G10K 2210/3031 ・・・Hardware, e.g. architecture

G10K 2210/3032 ・・・Harmonics or sub-harmonics

G10K 2210/3033 ・・・Information contained in memory, e.g. stored signals or transfer functions

G10K 2210/3034 ・・・Integrators

G10K 2210/3035 ・・・Models, e.g. of the acoustic system

G10K 2210/30351 ・・・・Identification of the environment for applying appropriate model characteristics

G10K 2210/3036 ・・・Modes, e.g. vibrational or spatial modes

G10K 2210/3037 ・・・Monitoring various blocks in the flow chart

G10K 2210/3038 ・・・Neural networks

G10K 2210/3039 ・・・Nonlinear, e.g. clipping, numerical truncation, thresholding or variable input and output gain

G10K 2210/30391 ・・・・Resetting of the filter parameters or changing the algorithm according to prevailing conditions

G10K 2210/3041 ・・・Offline

G10K 2210/3042 ・・・Parallel processing

G10K 2210/3043 ・・・Phase locked loops [PLL]

G10K 2210/3044 ・・・Phase shift, e.g. complex envelope processing

G10K 2210/3045 ・・・Multiple acoustic inputs, single acoustic output

G10K 2210/3046 ・・・Multiple acoustic inputs, multiple acoustic outputs

G10K 2210/3047 ・・・Prediction, e.g. of future values of noise

G10K 2210/3048 ・・・Pretraining, e.g. to identify transfer functions

G10K 2210/3049 ・・・Random noise used e.g. in model identification

G10K 2210/3051 ・・・Sampling, e.g. variable rate, synchronous, decimated or interpolated

G10K 2210/3052 ・・・Simulation

G10K 2210/3053 ・・・Speeding up computation or convergence, or decreasing the computational load

G10K 2210/3054 ・・・Stepsize variation

G10K 2210/3055 ・・・Transfer function of the acoustic system

G10K 2210/3056 ・・・Variable gain

G10K 2210/3057 ・・・Variation of parameters to test for optimisation

G10K 2210/321 ・・Physical

G10K 2210/3211 ・・・Active mounts for vibrating structures with means to actively suppress the vibration, e.g. for vehicles

G10K 2210/3212 ・・・Actuator details, e.g. composition or microstructure

G10K 2210/32121 ・・・・Fluid amplifiers, e.g. modulated gas flow speaker using electrovalves

G10K 2210/3213 ・・・Automatic gain control [AGC]

G10K 2210/3214 ・・・Architectures, e.g. special constructional features or arrangements of features

G10K 2210/3215 ・・・Arrays, e.g. for beamforming

G10K 2210/3216 ・・・Cancellation means disposed in the vicinity of the source

G10K 2210/3217 ・・・Collocated sensor and cancelling actuator, e.g. "virtual earth" designs

G10K 2210/3218 ・・・Filters other than the algorithm-related filters

G10K 2210/3219 ・・・Geometry of the configuration

G10K 2210/3221 ・・・Headrests, seats or the like, for personal ANC systems

G10K 2210/3222 ・・・Manual tuning

G10K 2210/3223 ・・・Materials, e.g. special compositions or gases

G10K 2210/3224 ・・・Passive absorbers

G10K 2210/3225 ・・・Radio or other sources used in ANC for transfer function estimation; Means to avoid interference between desired signals, e.g. from a car stereo, and the ANC signal

G10K 2210/3226 ・・・Sensor details, e.g. for producing a reference or error signal

G10K 2210/3227 ・・・Resonators

G10K 2210/32271 ・・・・Active resonators

G10K 2210/32272 ・・・・Helmholtz resonators

G10K 2210/3228 ・・・Shunts

G10K 2210/3229 ・・・Transducers

G10K 2210/32291 ・・・・Plates or thin films, e.g PVDF (foil-type piezo-electric elements B06B 1/0688)

G10K 2210/50 ・Miscellaneous

G10K 2210/501 ・・Acceleration, e.g. for accelerometers

G10K 2210/502 ・・Ageing, e.g. of the control system

G10K 2210/503 ・・Diagnostics ; Stability; Alarms; Failsafe

G10K 2210/504 ・・Calibration

G10K 2210/505 ・・Echo cancellation, e.g. multipath-, ghost- or reverberation-cancellation

G10K 2210/506 ・・Feedback, e.g. howling

G10K 2210/507 ・・Flow or turbulence

G10K 2210/508 ・・Reviews on ANC in general, e.g. literature

G10K 2210/509 ・・Hybrid, i.e. combining different technologies, e.g. passive and active

G10K 2210/51 ・・Improving tonal quality, e.g. mimicking sports cars

G10K 2210/511 ・・Narrow band, e.g. implementations for single frequency cancellation

G10K 2210/512 ・・Wide band, e.g. non-recurring signals