WO2006086832A1 - Procede et dispositif pour adaptation d'un vehicule - Google Patents

Procede et dispositif pour adaptation d'un vehicule Download PDF

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Publication number
WO2006086832A1
WO2006086832A1 PCT/AU2006/000179 AU2006000179W WO2006086832A1 WO 2006086832 A1 WO2006086832 A1 WO 2006086832A1 AU 2006000179 W AU2006000179 W AU 2006000179W WO 2006086832 A1 WO2006086832 A1 WO 2006086832A1
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WO
WIPO (PCT)
Prior art keywords
engine
sound
vehicle
output level
output
Prior art date
Application number
PCT/AU2006/000179
Other languages
English (en)
Inventor
Tim Driessen
Original Assignee
Tim Driessen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2005900757A external-priority patent/AU2005900757A0/en
Application filed by Tim Driessen filed Critical Tim Driessen
Publication of WO2006086832A1 publication Critical patent/WO2006086832A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R99/00—Subject matter not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/02—Synthesis of acoustic waves

Definitions

  • the present invention relates to the field of motor vehicles and in particular, a novel method of, and apparatus for safely enhancing the perception of a vehicle.
  • a car is often perceived as a status symbol, and it is therefore not surprising that a great deal of time and money may typically be invested by a car owner towards improving the performance of the car in an attempt to increase his or her status.
  • a car owner may seek to improve the performance or sound of the car engine by adding a turbo-charger or performance exhaust.
  • the improvement in performance of the car engine is to at least some extent evident from a characteristic sound that is emitted from the car engine which is indicative of the turbo-charging.
  • the present invention seeks to alleviate at least one of the problems described above in relation to the prior art.
  • the present invention provides an apparatus for attachment to a vehicle including:
  • a detector for detecting an output level of an engine of the vehicle
  • control unit for: comparing the output level to at least one threshold;
  • the present invention provides a vehicle including:
  • a detector for detecting an output level of an engine of the vehicle
  • control unit for:
  • the controller causes the sound generator to generate a first sound if the output level is below a first threshold.
  • the first sound varies in accordance with the output level.
  • the controller causes the sound generator to generate a second sound if the output level is above the first threshold.
  • the second sound is independent of the output level
  • the first threshold limit may be set to approximately to 4000 revolutions per minute. It would be appreciated by a person skilled in the art that in certain embodiments of the present invention, that the first threshold may be selectively deactivated.
  • the sound generator includes at least one of:
  • DAC digital-to-analog converter
  • a stereo system which may typically include the stereo system of a vehicle.
  • the memory store may contain audio data files from which the sound generator will generate a sound wave.
  • audio data files may be processed by the DAC before being broadcast by the FM transmitter.
  • the stereo system of the vehicle may be able to tune in to the FM transmitted so as to be able to play the generated sound.
  • control unit includes, amongst other things:
  • the present invention may include a compact casing for at least partially housing the present invention.
  • the compact casing may be conveniently mountable on to a dashboard of the vehicle.
  • the processor may include a programmable micro-controller.
  • a user may program the micro-controller with a set of operating parameters within which the apparatus is intended to operate.
  • the operating parameters may include at least one of:
  • the operating parameters may be entered in to the micro-controller for processing via the input device, which may typically consist of a keypad.
  • the operating parameters may be pre-programmed into the microcontroller at the point of manufacture.
  • the operating parameters may be stored in the form of a look-up-table on a ROM, EPROM chip or the like.
  • the processor may also include processing software to conveniently automate at least one of:
  • the engine sensor signal For instance, the engine sensor signal by a predetermined multiplying factor.
  • the multiplying factor may include a factor of 2.
  • the user may select, using the input device of the control unit, at least one multiplying factor for different ranges of engine output.
  • the multiplying factor may be variable for different ranges of detected engine output.
  • the user may select, using the input device of the control unit, the variance of the multiplying factor for a number of ranges of engine output.
  • processing software may be written in CTM, C++TM or any other suitable programming language.
  • the input means of the processor may typically include a keypad that is interfaced with an input port of the micro-controller.
  • the output means may include an electronic display such as an LCD screen or the like. Typically, the output means may be interfaced with an output port of the micro-controller.
  • the output means may also include a speaker device - for instance, the vehicle's in-built speaker system.
  • the speaker may be housed within a bumper of the vehicle. Typically, the speaker may be disguised as a car part such as an exhaust pipe, bumper or the like. In another embodiment, the speaker may be mounted beneath a rear portion of the vehicle. Alternatively, the loudspeaker may be located within the vehicle.
  • control unit may be powered from a standard 12-volt battery of the vehicle. Typically, it may be necessary to regulate the supply of power from the 12-volt battery to a suitable level for use by the control unit circuit and associated circuitry.
  • the detector may be interfaced with an input port of the micro-controller.
  • additional circuitry may be employed to adapt an output signal generated by the detector to a suitable format for processing by the processor.
  • the present invention may include a wired and/or a wireless signalling link, which interconnects amongst other things:
  • control unit
  • the wireless signalling link may include a Wi-FiTM or a BluetoothTM compatible technology.
  • a wireless signalling link may alleviate th ⁇ inconvenience associated with hard-wiring the present invention to a vehicle.
  • the memory store of the sound generator may include flash memory which may take the form of either an integrated flash memory unit, or alternatively, a removable flash memory card.
  • the memory store may store at least one, and typically a plurality of audio data files, each of which represents data which may be used to generate a sound.
  • each of the data files are representative of sounds associated with a motor vehicle including, amongst other things:
  • the sound of a "blow-off valve” may be triggered by a position sensor signal which measures a throttle position and/or operational status of a "manifold vacuum" of the vehicle.
  • the pre-recorded audio samples may include more specific sounds including:
  • the data files used in accordance with the present invention may include any number of suitable audio encoding formats including for instance "MP3" or "WAV" file formats.
  • the data files may be stored in the relatively compressed MP3 format in the flash memory unit.
  • the processor may be adapted to retrieve MP3 encoded data files from the flash memory, convert the MP3 files into the WAV file format, and temporarily store the WAV file in an onboard cache or RAM of the processor. Thereafter, the WAV file may, amongst other things, be dynamically mixed and/or looped by the processor.
  • the processor may be programmed to access a look-up table to determine a particular sound that should be output whenever a particular engine and/or vehicle condition is met.
  • the vehicle/engine condition which triggers the processor to access the look-up table may include a status of at least one of the following:
  • pulses emitted by the engine For instance pulses emitted from an induction coil of the engine;
  • the look-up table may for instance direct the processor to retrieve one, or, a specific combination of audio data files from the memory unit in response to a specific detected vehicle/engine condition, before mixing the retrieved audio data file(s), and outputting the mixed audio sound file(s).
  • the use of a look-up-table may assist in producing an overall output sound that is as relatively realistic given that the ability of the look-up table to provide a compatible output sound with the detected vehicle/engine condition.
  • the processor outputs the processed WAV file to the DAC which in turn outputs a signal to the vehicle's stereo system.
  • the DAC may for instance output the WAV file to a FM transmitter which is adapted to transmit the signal on the FM frequency band whereby the stereo system can be tuned in to receive and play the signal via the vehicle's speaker system.
  • the output of the DAC may be fed into a power amplifier circuit adapted for boosting the signal prior to delivery to a stand-alone loudspeaker.
  • the present invention may include a means of adjusting the amplification provided by the power amplifier so as to enable controlling the volume of the selectively output sound.
  • the threshold output level of the vehicle is measured in terms of at least one of the following:
  • pulses emitted by the engine For instance pulses emitted from an induction coil of the engine;
  • the means of detecting the threshold output level of the engine may include a sensor disposed in proximity to the engine compartment.
  • the RPM sensor may include, by way of example only, any one of the following arrangements:
  • a magnetic or optical sensor adapted to monitor the physical rotational speed of the engine
  • a detector for detecting pulses from the body and/or engine control unit.
  • a "blow-off valve” may be triggered by a position sensor signal which measures a throttle position and/or operational status of a "manifold vacuum" of the vehicle.
  • the senor may be interfaced with an input port of the micro-controller.
  • additional circuitry may be employed to adapt the sensor output signal to a suitable format for processing by the processor.
  • the means of controllably limiting an output of the engine to the predetermined output level includes the use of a rev limiter.
  • the rev limiter restricts the output RPMs of the engine by, for instance, interrupting an electrical signal to the engine coil - for instance by alternating on the signal on/off - so as to limit the firing sequence and/or fuel flow to the engine and thereby prevents the engine's RPMs from escalating beyond the predetermined output level.
  • the rev limiter may be actuated by a control signal generated by the micro-controller.
  • the present invention provides a method including the steps of:
  • the present invention provides an apparatus for attachment to a vehicle including:
  • the present invention provides a vehicle including: a means of detecting a threshold output level of an engine of the vehicle; and
  • the means of detecting the threshold output level of the engine includes a means of processing an engine sensor signal which represents an operating speed of the engine, and, a means of comparing the engine sensor signal with the threshold output level to determine if the threshold output level of the engine has been attained.
  • a control unit may be adapted to automate at least some of the features of the present invention. More preferably, the control unit includes, amongst other things:
  • control unit may be housed within a casing which may be conveniently mountable on to a dashboard of the vehicle.
  • control unit may be integrated into the vehicle stereo system.
  • the processor may include a programmable micro-controller.
  • a user may program the micro-controller with a set of operating parameters within which the present invention is intended to operate.
  • the operating parameters may include, amongst other things:
  • the operating parameters may be entered in to the micro-controller for processing via the input means which may typically consist of a keypad.
  • the operating parameters may be pre-programmed into the micro- controller at the point of manufacture.
  • the operating parameters may be stored in the form of a look-up-table on a ROM, EPROM chip or the like.
  • the processor may also include processing software to conveniently automate, amongst other things, the following functions:
  • the means of reading the engine sensor signal includes a means of interfacing the engine sensor signal to an input port of the micro-controller;
  • the processor may scale the engine sensor signal by a predetermined multiplying factor.
  • the multiplying factor may include a factor of 2. comparing the engine sensor signal with the threshold output level to determine if the sound should be emitted and/or if the engine output should be limited;
  • the user may selectively program, using the input device of the control unit, such that at least one multiplying factor for a number of ranges of engine output.
  • the multiplying factor may be variable for different ranges of detected engine output.
  • the user may select, using the input device of the control unit, the variance of the multiplying factor for a number of ranges of engine output.
  • the processing software may be written in CTM, C++TM or any other s suuiittaabbllee* n prrno ⁇ grraammmmiinn ⁇ g l laann ⁇ guuaa ⁇ gee.
  • the memory store may include flash memory which may typically take the form of an integrated flash memory module, or alternatively, a removable flash memory card.
  • the memory store may store a plurality of data files, each of which represents data which may be used to generate a sound.
  • the plurality of data files may be encoded in MP3 format.
  • MP3 files may be converted into WAV file format by the processor prior to being mixed and looped and then output as a sound wave.
  • each of the data files are representative of sounds associated with a motor vehicle including, amongst other things:
  • the pre-recorded audio samples may include more specific sounds including:
  • the sound which is emitted by the present invention may be electrically generated using digitally recorded data.
  • the processor will retrieve a compressed audio data filed from the flash memory such as an MP3 encoded data, The MP3 file may then be converted into a WAV file format before being mixed and looped.
  • the processor may thereafter output the processed WAV file to a DAC which in turn outputs a signal to an FM transmitter which modulates a radio signal which can be tuned into using the vehicle's stereo system
  • the input means may include a keypad that is interfaced with an input port of the micro-controller.
  • the output means may include an electronic display such as an LCD screen or the like.
  • the output means also includes at least one speaker which typically comprises the in-built speaker system of a vehicle.
  • the output means may be interfaced with at least one output port of the micro-controller.
  • the at least one speaker may be housed within a bumper of the vehicle.
  • the speaker may be mounted beneath a rear portion of the vehicle.
  • the speaker may be disguised as a car part such as an exhaust pipe, bumper or the like.
  • the at least one speaker may be internal speakers of the vehicle.
  • control unit may be powered from a standard 12-volt battery of the vehicle. Typically, it may be necessary to regulate the supply of power from the 12 volt battery to a suitable level for use by the control unit circuit and associated circuitry.
  • the threshold output level of the vehicle is measured in terms of revolutions-per-minute (RPMs) of the engine.
  • RPMs revolutions-per-minute
  • the means of detecting the threshold output level of the engine may include a sensor disposed in proximity to the engine compartment.
  • the RPM sensor may include, by way of example only, any one of the following arrangements:
  • a magnetic or optical sensor adapted to monitor the physical rotational speed of the engine
  • a detector for detecting pulses from the body and/or engine control unit.
  • the senor may be interfaced with an input port of the micro-controller.
  • additional circuitry may be employed to adapt the sensor output signal to a suitable format for processing by the processor.
  • the means of controllably limiting an output of the engine to the predetermined output level includes the use of a rev limiter.
  • the rev limiter restricts the output RPMs of the engine by, for instance, interrupting an electrical signal to the engine coil - for instance by alternating on the signal on/off - so as to limit the firing sequence and/or fuel flow to the engine and thereby prevents the engine's RPMs from escalating beyond the predetermined output level.
  • the rev limiter may be actuated by a control signal generated by the micro-controller.
  • the present invention may include a wired and/or a wireless signalling link, which interconnects amongst other things:
  • control unit the control unit; the sensor.
  • the wireless signalling link may include a Wi-FiTM or a BluetoothTM compatible technology.
  • a wireless signalling link may alleviate the inconvenience associated with hard-wiring the present invention to a vehicle.
  • the present invention also includes a means of moving a seat of the vehicle in response to the detection of a threshold output level of the vehicle engine.
  • a means of moving a seat of the vehicle in response to the detection of a threshold output level of the vehicle engine.
  • the seat of the vehicle will be moved at substantially the same time as the sound is emitted by the present invention upon detection of the threshold output level of the engine.
  • the seat may include a vibrating mat or pad placed on the seat which vibrates in response to the detection of a threshold output of the vehicle engine.
  • the seat may be moved in sliding and/or vibrating fashion.
  • the seat may be automatically moved in sliding fashion.
  • the seat may be retro-fitted to enable it to slide back-and- forth along a track which may be anchored to a floor of the vehicle.
  • sliding motion of the seat along the track may be effected by use of a hydraulic motor.
  • the seat is initially arranged at a starting position which may be relatively forward of the vehicle.
  • the hydraulic motor may be adapted to automatically slide the seat relatively rearwards within the vehicle along the track when the threshold output level of the engine is detected.
  • the automatic movement of vehicle seat may provide a tactile sensation to a passenger sitting in the vehicle seat which enhances the perception of acceleration of the vehicle in combination with the sound of a blow-off valve being emitted.
  • the seat may be forcibly slid back into its starting position by the hydraulic motor.
  • the hydraulic motor may receive control signals from the processor in order to effect automatic movement of the seat.
  • the present invention may include a means of vibrating the seat upon detection of the threshold output level of the engine.
  • the vibrating means may include an electric motor having a rotatable shaft.
  • the shaft of the electric motor may be attached to a bracket fixed to the seat whereby in use, the shaft of the electric motor may be adapted to inter-changeably rotate back and forth in oscillatory motion so as to vibrate the seat.
  • the electric motor may be operated via control signals generated by the micro-controller.
  • the present invention provides a method including the steps of:
  • the step of detecting the threshold output level of the engine includes the steps of:
  • Figure 1 depicts a block diagram representing a first embodiment of the present invention.
  • Figure 1 depicts a first embodiment of the present invention including a programmable micro-controller (1).
  • a keypad (2) is interfaced with a first input port of the micro-controller (1) which is used for entering user-defined operating parameters into the micro-controller (1).
  • a detector in the form of an engine RPM pulse sensor (3) is interfaced with a second input port of the micro-controller (1 ).
  • a digital-to-analog converter (8) is connected to a first output port of the microcontroller (1).
  • An output of the DAC is fed into an input port of an FM transmitter (9) which generates a frequency modulated radio signal which can be tuned into and played using the vehicle's stereo system (4).
  • the first embodiment also includes an LCD display (10) which is interfaced with a second output port of the micro-controller device (1).
  • a vibrating means (5) is further interfaced with a third output port of the micro-controller (1 ) wherein the vibrating means (5) is adapted to vibrate a seat or mat of the vehicle upon detection of user-defined conditions.
  • the flash memory unit (6) stores a plurality of MP3-encoded audio data files each of which represent a characteristic sound which may be emitted via the vehicle's stereo system (4).
  • the compact unit is able to be conveniently mounted to a dashboard of the vehicle. If desired, a user may remove the unit from the dashboard and plug it into a personal computer via a USB capable in order to download new audio data files.
  • the programmable micro-controller (1) in the first embodiment includes a Motorola HCS12TM Micro-Controller device. It would be appreciated by persons skilled in the art that in alternative embodiments of the present invention, any number of other suitable micro-controllers may be used.
  • a user is able to selectively program the micro-controller (1 ) with a set of operating parameters within which the present invention is intended to operate.
  • the operating parameters which the user enters in to the micro-controller (1 ) include at least one of:
  • the operating parameters are keyed into the micro-controller (1) for processing via the keypad (2).
  • the micro-controller generated a menu upon the LCD display (2) to allow the user to select a desired option accordingly.
  • the sensor (3) is mounted in proximity to the engine compartment of the vehicle and provides the micro-controller (1 ) with an electrical signal which is indicative of pulses emitted from an ignition system of the engine.
  • the actual measurement of the pulses may involve the use of "pulse accumulation” or "time period” measurement techniques.
  • the micro-controller (1) regularly monitors the sensor signal delivered to the second input port.
  • the micro-controller (1) includes software for processing the input sensor signal information.
  • the software which is written in the CTM or Assembler programming code, performs, amongst other things, the following processing steps:
  • processing the engine sensor signal For instance, scaling of the engine sensor signal by a predetermined multiplying factor.
  • the multiplying factor may include a factor of 2.
  • the memory store includes an in-built 128 Mb flash memory unit (6) interfaced with the micro-controller (1).
  • the flash memory unit (6) stores a plurality of audio data files encoded in MP3 format.
  • the sounds associated with each of the MP3 files are representative of sounds characteristic of a motor vehicle including, amongst other things:
  • the micro-controller (1 ) causes the user- selected sound to be played through the vehicle's stereo system (4) upon detection of the threshold output level. For instance, and by way of example only, this will occur when the detected engine pulses is measured to be at least 4000 RPMs, and the multiplying factor includes 2 thus providing a scaled value of 8000. It would be understood by a person skilled in the art that in alternative embodiments, a different scaled value may be pre-set in accordance with the specific requirements of the user.
  • the user-selected sound is emitted.
  • the microcontroller (1) retrieves the MP3 file from the flash memory card (6) which has been previously selected by the user, and converts the MP3 file into a WAV format file.
  • the WAV format file is dynamically mixed depending upon the engine speed using interpolation techniques to alleviate the occurrence of sharp changes in simulated output engine sounds, the WAV file may also be looped if necessary.
  • the output of the micro-controller is fed into a DAC which in turn outputs to an FM transmitter.
  • the FM transmitter is adapted to transmit the WAV file via a frequency modulated radio signal which is able to be tuned into using the care stereo system (4).
  • the user may select a threshold of 4000 RPM using the control unit.
  • the micro-controller causes a signal to that varies in accordance with the engine output detected.
  • a generated signal indicative of an engine output of 3000 RPM may include a higher frequency harmonic compared to a generated signal indicative of an engine output of 2000 RPM, so as to simulate the sound of an engine performing more revolutions.
  • the signal generator When the detector detects an engine output exceeding the selected threshold of 4000 RPM 1 the signal generator generates a second signal which when delivered to a loudspeaker emits a second sound independent of the engine output. Therefore, the loudspeaker will emit a constant second sound despite a variable engine output exceeding 4000 RPM.
  • This process of generating a second sound independent of the engine output deters a driver from at least one of exerting the vehicle to perform extremely high levels of engine output or driving the vehicle at dangerously high speeds so as to produce, for example, a louder second sound. It would be appreciated by a person skilled in the art that the sound of a "blow-off valve" may be triggered by a position sensor signal which measures a throttle position and/or operational status of a "manifold vacuum" of the vehicle.
  • the apparatus may also include a means of vibrating the seat upon detection of the threshold output level of the engine.
  • the vibrating means (5) includes an electric motor (5) having a rotatable shaft.
  • the shaft of the electric motor (5) is coupled to a bracket which has been fixed to the seat whereby in use, the shaft of the electric motor (5) is able to inter-changeably rotate back and forth in oscillatory motion so as to vibrate the seat.
  • the operation of the electric motor (5) is triggered by a control signal transmitted by the micro-controller upon detection of the threshold output level of the engine.
  • the vibrating means may include a vibrating mat or pad located on at least one of the seats in the vehicle that vibrates upon detection of the threshold output level of the engine.
  • the vibration of the mat or pad occurs is dependent on the detected output level of the engine.
  • the apparatus is able to be retro-fitted on to an existing car framework.
  • the apparatus may be integrated in to the car's framework at the point of manufacture.
  • the control unit is conveniently integrated in to the car's stereo.
  • the presently described embodiment is powered by the common 12-volt car battery. If necessary a regulator and/or any other suitable interfacing circuitry is included in order to allow compatibility between the embodiment and a vehicle.
  • a rev limiter (7) may be adapted to interrupt an electrical signal to the engine coil - for instance by alternating on the signal on/off - thereby limiting the firing sequence and/or fuel flow to the engine and thereby preventing the engine's RPMs from exceeding beyond a predetermined engine output level.
  • the rev limiter (7) may be actuated by a control signal generated by the microcontroller (1 ).
  • the micro-controller software may actuate the rev limiter (7), the sound emitter, and the vibrator means (5) at substantially the same time upon detection of a predetermined engine output level.
  • the at least one threshold could be indicative of a magnitude of a rate of change of engine output, rather than the magnitude of engine output .
  • a first threshold could be indicative of an increasing rate of change of engine output
  • the second threshold could be indicative of a decreasing rate of change of engine output.
  • additional sounds may be emitted via the loudspeaker, such as a sound simulating a "blow-off valve" during particular rates of change of engine output.
  • a first and second threshold may be defined which would produce the following:
  • the user may select, using the input device of the control unit, at least one multiplying factor for different ranges of engine output.
  • the multiplying factor may be variable for a number of ranges of detected engine output.
  • the user may select the following number of multiplying factors for the following ranges of engine output shown below in Table 1.
  • the multiplying factor will not be applied in generating the emitted sound so as to deter a driver from exerting the car to dangerous speeds.
  • the user may select a variance for the multiplying factor for a number of ranges of engine output.
  • the multiplying factor can vary according to the defined range of detected engine output, as is shown by example in Table 2 below.
  • Table 2 Varying Multiplying factor for a number of detected engine output ranges As shown in Table 2, the multiplying factor varies in accordance with the detected engine output using a linear relationship. Thus for example, if the detected output is 2000 RPM, the multiplying factor is determined using the second defined engine output range in Table 2 as shown below:
  • Multiplying Factor 2 + detected engine output * 0.002
  • a varying or sliding multiplying factor can be generated by the control unit as the detected engine output varies.
  • the loudspeaker can emit a different or more realistic sound using a varying or sliding multiplying factor.
  • the varying multiplying factor is not limited to a only linear variance, but may vary using an exponential relationship.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

Cette invention concerne un dispositif à monter sur un véhicule, comprenant: un conçu pour détecter un niveau de sortie du moteur du véhicule; un générateur de sons; et une unité de commande qui compare le niveau de sortie à au moins une valeur de seuil et commande au générateur sons de produire un son en fonction des résultats de la comparaison.
PCT/AU2006/000179 2005-02-18 2006-02-10 Procede et dispositif pour adaptation d'un vehicule WO2006086832A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2005900757 2005-02-18
AU2005900757A AU2005900757A0 (en) 2005-02-18 A method and apparatus for adapting a vehicle

Publications (1)

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WO2006086832A1 true WO2006086832A1 (fr) 2006-08-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2447063A (en) * 2007-01-23 2008-09-03 Lotus Car A sound synthesizer unit for use in a vehicle having an internal combustion engine
EP2293288A1 (fr) 2009-09-07 2011-03-09 Remus Innovation Forschungs- und Abgasanlagen-Produktionsgesellschaft m.b.H. Dispositif de sortie de signaux acoustiques pour véhicules
US8299904B2 (en) 2010-08-31 2012-10-30 Nissan North America, Inc. System and method for producing an audible alert for a vehicle
US8730020B2 (en) 2010-08-31 2014-05-20 Nissan North America, Inc. System and method for producing an audible alert for a vehicle

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DE3420463A1 (de) * 1984-06-01 1985-12-05 Uwe 6500 Mainz Brückner Vorrichtung zur beschallung
WO1991018385A1 (fr) * 1990-05-16 1991-11-28 Wilhelm Hennl Dispositif generateur de sons
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