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DE102018117648B3 Method for improving the perceptibility of a special signal  
The invention relates to a method for improving the perceptibility of a special signal, in particular an emergency vehicle, in which a first loudspeaker outputs a first Tonfolge signal and a...
DE102015217778B4 Acoustic sensor with a membrane and an electroacoustic transducer  
Acoustic sensor (1) comprising: a diaphragm (2) having two opposite surfaces (2a, 2b) adapted to oscillate at an operating frequency of the acoustic sensor (1), exactly one electroacoustic...
DE112017000219T5 Horn sound source device  
A sound source device 10 of a horn 1 according to one aspect of the present invention comprises: a diaphragm 11; a movable iron core 12 connected to the diaphragm 11 through a support point 121a;...
DE102016225722A1 Magnet arrangement for an electrical vibration generator for generating sound, electrical vibration generator for generating sound and motor vehicle with an electric vibration generator for generating sound  
The invention relates to a magnet assembly (1) for an electric vibrator for generating sound, comprising a magnet pot (2), in which a permanent magnet (4) and a pole plate (5) are inserted,...
DE112016003979T5 NOISE DEVICE  
In a sound generating apparatus, a connection terminal (28) made of a metal plate material electrically connected to an external equipment has a groove portion (281) in a portion projecting...
DE102004011751B4 Piezoelectric electroacoustic transducer and its manufacturing method  
A piezoelectric electroacoustic transducer, comprising: a rectangular piezoelectric diaphragm (1) that vibrates correspondingly in a surface bending mode in the thickness direction of the...
DE102016206599A1 Automobile with audiosystem  
There is described a vehicle with an audio system. This comprises at least one coupling surface of a vehicle component, an inner panel of the vehicle component or an end wall. The audio system...
DE102016107822A1 Aircraft and exterior speaker systems for an aircraft  
Aircraft, aircraft exterior loudspeaker systems, and methods for projecting sound waves from an exterior of an aircraft are provided. An aircraft includes an outer skin membrane, a vibration...
DE112014004517T5 sonic emitter  
A sound wave generator for a sound emitter (10) comprising an electric motor having an axis of rotation. The rotation axis includes a drive member or is connected thereto, which is eccentric with...
DE102014201693B3 Electric vibrators  
The invention relates, inter alia an electrical vibrator (1) having an annular coil arrangement (2) and a magnet assembly (4), wherein the coil arrangement (2) in an annular gap (30) of the magnet...
DE10196896B4 Vortex Blasenentfernungs- and cooling system for the electromagnetic shock wave generator for lithotripter  
Vortex Blasenentfernungs- and cooling system for an electromagnetic shock wave generator for a lithotripter, with: - A water cushion (17) with a chamber body (27), said chamber body (27) is filled...
DE102010005654A1 Signal generation means with an electric acoustic signal transmitter  
A signal generation means comprises an electric acoustic signal transmitter, which has a piezo ceramic disc on a metal membrane, on a circuit board. The circuit board has in the area of ​​the...
DE102009051606A1 Electronic horn and disc horn with photoelectric interrupter  
The present invention relates to an electronic signal horn of the plate type having no contact points and a signal horn without contact, a photoelectric switch (U11) was used. The electronic...
DE102008049560B3 Electrical oscillating exciter has circular coil arrangement which is engaged into circular gap of magnet arrangement such that coil arrangement and magnet arrangement are movable relative to each other in axial direction  
The electrical oscillating exciter has a circular coil arrangement (2) which is engaged into a circular gap (30) of a magnet arrangement (4) such that the coil arrangement and the magnet...
DE102008042852A1 Acoustic signal transmitter e.g. bass horn, for motor vehicle, has generator exciting membrane with basic oscillation, and sound outlet channel dimensioned such that basic oscillation is not intensified as two harmonics of oscillation  
The transmitter (1) has an oscillation generator formed to electromechanically displace a membrane into oscillations. The oscillation generator electromechanically excites the membrane with basic...
DE102008041779A1 Electromechanical sound production device e.g. electromechanical fanfare, for producing sound in motor vehicle, has membrane vibrated for producing tones of different frequencies, where frequencies are resonant frequencies of device  
The device (1) has a membrane (2) asymmetrically provided with a suspension (9), where the suspension produces asymmetrical vibration modes in center and/or at an edge (8) of the membrane. The...
DE112006003532T5 Adaptive intelligent electronic horn  
A adaptive intelligent electronic horn (100) consists of a mechanical recorder (112), an electromagnetic coil (106), a drive circuit (104) and an oscillation circuit, and a sensor (110) between...
DE102008008285A1 Ratchet drill for use as e.g. play article, has electromagnetic and electronic components accommodated in handle, drum and oscillating body to electrically produce sound, tone, and light effects  
The ratchet drill (1) has electromagnetic and electronic components accommodated in a handle (2), a drum (3) and an oscillating body (4) to electrically produce sound, tone, and light effects. The...
DE10308887B4 horn  
horn - with a Membrane element (2), which for sound generation, in particular an first or rest position (d0) to a deflection movement or swinging movement, especially to the first or rest position...
DE10007455B4 A piezoelectric acoustic component  
piezoelectric acoustic component comprising: - A membrane (1) which has a rectangular piezoelectric plate (2) having a front and Back, means disposed on the front electrode (2a) and a rectangular...
DE102004020999B3 Installation of loudspeaker with hollow space for air or fluid behind loudspeaker cone in double wall in road vehicle bodywork involves inflating bag to fill space with metal walls  
The loudspeaker (60) has a modular mounting (80) on a front wall (20) forming part of the vehicle bodywork (10). Internal partitions (23,24) extend between the front and rear (21) walls. A lining...
DE102004013573B3 Production of a traction impulse between electrically conducting structures comprises preparing the structures insulated from each other and lying next to each other, producing a magnetic field and switching off the magnetic field  
Production of a traction impulse between electrically conducting structures (I, II, III) comprises preparing three electrically conducting structures insulated from each other and lying next to...
DE10340624B4 Shockwave source for generating a focused shockwave  
Shockwave source for generating a focused shock wave with an electromagnetic shock wave generator (3) in a metallic membrane (8) for generating a shock wave one to the membrane (8) adjacent...
DE10134426B4 Electronic bell device  
Electronic Bell device with a variable memory module in which at least can be read, stored and deleted a sequence of notes, a reproduction device, For example, a speaker, the reproduced the...
DE10349461A1 A method for operating an electromagnetic shock wave source and by this process operated electromagnetic shock wave source  
The This invention relates to a method for operating an electromagnetic Shockwave source (2) as well as to an electromagnetic operated according to this method Shockwave source (2) in which an...
DE10340624A1 Shockwave source for breaking up blockages in the kidneys comprises an electromagnetic shockwave generator, and an acoustic lens for focusing the shockwave  
Shockwave source (2) comprises an electromagnetic shockwave generator (3) containing a metallic membrane (8) for producing a shockwave in a coupling medium (18) next to the membrane, and an...
DE10156816B4 Multi-function signal generator  
Multi-function signal generator, With: a housing (10) having an interior; one in the housing (10) provided for the vibration coil (9) for generating vibrations; a sound-producing membrane (1)...
DE10326023A1 Acoustic signal transmitter for a motor vehicle has a casing fitted with a tone generator and a sound outlet hole  
The normal line (13) of an opening surface (OS) (12) for a sound outlet hole (SOH) (8) runs with a clearance from a tone generator. The OS runs crosswise to the surface of a casing's (2) side that...
DE102004011751A1 A piezoelectric electro-acoustic transducer and its manufacturing method  
On piezoelectric electro-acoustic transducer comprises a substantially rectangular piezoelectric diaphragm, a housing having a supporting unit to the four corners of the piezoelectric diaphragm to...
DE10012878B4 A device for generating acoustic waves  
A device for generating acoustic waves with an acoustic transducer comprising a first serving as a diaphragm and an acoustic propagating medium (7, 44), adjacent electrode (8, 41) and a second of...
DE10308887A1 Horn, has control equipment that determines change in inductance of sensor electrical coil arrangement to derive position or deflection of membranous element  
A control equipment (20) controls magnetic interaction between an electrical coil arrangement (6) and a membranous element (2) based on the immediate position or deflection of the membranous...
DE10235844B4 Acoustic, electric transducer and cooking device so  
Acoustic, electric transformers, with a first electrode (10), a second electrode (20), with an electrically insulating medium (30) between the two electrodes (10, 20), with a vibratable diaphragm...
DE10201066B4 Shockwave source  
Shock wave source is combined with a coil carrier (2), with a coil (3) and with one of the coil (3) insulating separated membrane (4) for generating shock waves, which the coil carrier (2) for the...
DE10235844A1 Acoustic electrical transducer, comprises a primary electrode, a secondary electrode, an electrically insulating material and a membrane  
An acoustic electrical transducer, comprises a primary electrode (10) with a depression (15), a secondary electrode (20), an electrically insulating material (30) between the electrodes, and a...
DE10201917A1 Control unit for vibrating floor for mechanical transfer of sound effects to listener, controls amplifier to set control signal for vibrating floor independently of volume control for sound signal  
The vibrating floor (1) has a floor plate coupled to at least one electromechanical vibration unit (3). The control unit (18) is coupled to an amplifier (12) for an acoustically reproduced sound...
DE10201066A1 Shock wave source, e.g. for noninvasive medical destruction of kidney stones, has at least one actuator that can stimulate coil carrier into vibration in anti-phase  
The shock wave source has a coil carrier (2), a coil (3), a membrane (4) isolated from the coil that sets the coil carrier vibrating when generating shock waves and at least one actuator (15) that...
DE10201232A1 buzzer  
The invention relates to a sound generator, especially for automotive parking assistance systems. Said sound generator comprises a housing (2) with a base (4) and a cover (6). Said base (4)...
DE10160595A1 Electromagnetic shock or pressure wave source  
The invention relates to an electromagnetic shock wave or pressure wave source like that used, for example, in devices for carrying out extracorporeal shock wave lithotripsy, comprised of, among...
DE10201067A1 Electromagnetic shock wave lithotripter for destruction of concrements, kidney stones, has an arrangement of coils, vibrating membranes and sound absorbers that are designed to minimize generation of audible sound  
Shock wave source (1) comprises a coil support (2), a coil (3, 4) and two isolating separated membranes (5, 6) for generation of shock waves. One membrane (5) is on upper side of the coil support,...
DE10156816A1 Multi-function actuator for generating sound and vibration, has voice coil with high-pass notch filter constituted by inductor (L) connected in parallel and capacitor (C) in series  
The actuator has a case with an internal space, a vibrating coil (9) installed in the case, a sound generating diaphragm, a voice coil (2) fixed under the diaphragm with a high pass notch filter,...
DE10207737C1 Acoustic wave generation circuit has diode or diode module connected in parallel across HV capacitor  
The circuit has a selectively discharged HV capacitor (22), connected in series with a coil (23) of an electromagnetic sound generator and a diode (24) or a diode module with at least 2 high...
DE10134426A1 Electronic doorbell device with sound sequences stored in memory, and interface to allow new sound sequences to be read in from external device  
A control module is connected to a doorbell, such that when the doorbell is operated, a sound sequence in memory is produced via a loudspeaker. The doorbell device is provided with an interface...
DE10129959A1 Control circuit for acoustic signal generator, has stimulation arrangement driven depending on profile of envelope curve for change in output signal of membrane deflection sensor  
The control circuit has an envelope curve generator (1) for generating an envelope curve for the change in the output signal of a deflection sensor (CHupe) that measures the deflection of the...
DE10136182C1 Signaling horn for adapting an operating value tune-in to a preset set point value has a switch to control an exciter current regarding pulse frequency/pulse duty factor and a control circuit to detect an operating value.  
A switch (5) controlled by a pulse generator (6) controls pulse frequency/pulse duty factor of exciter current (I) flowing through a signaling horn (1). A control circuit has circuit blocks (8-12)...
DE10052123A1 Electromagnetic coil for generating pressure waves has an additional constant magnetic field source to enable larger pressure waves to be generated without increasing the current through the coil  
Pressure wave source comprises an electrically conducting coil (2) to which an impulse generating current source can be connected and a electrically conducting membrane (4) that is held at a small...
DE10012878A1 Acoustic wave generator for producing shock waves for medical use  
The generator includes a transducer having a first electrode (8) serving as a diaphragm and adjoining an acoustic propagation medium (7). A second electrode is spaced apart from the first. An...
DE19925509A1 Acoustically-mechanical verification transmitter  
The invention relates to a system comprising a portable identification medium, especially in a form of a card, and a control unit, with which the encoded information on the identification medium...
DE10007455A1 Piezoelectric acoustic device e.g. for buzzer has insulator cap held with adhesive to diaphragm  
The device has a diaphragm (1) comprising a rectangular piezoelectric plate (2) and a metal plate (3) connected to piezoelectric plate. An insulator cap (4) has two holding parts (4c) for holding...
DE19916891C1 Equipment for generating acoustic waves incorporates a switching device and a high-voltage capacitor to be discharged by this switching device  
A switching device has a semi-conductor switch. Control electronics for the switching operation communicate with a semi-conductor component through a fiberoptic wave guide connection and generate...
DE10004223A1 Piezoelectric measured value transducer device e.g. for use in oscillators, has AC current generator as trigger circuit connected to control device such that its status changes as sign of operating current changes  
Control device forming a synchronizing unit (14) synchronizes AC voltage generator by means of operating current, and is connected to a resonant circuit (11) and input trigger circuit (13) to...

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