198 results about "Vehicle horn" patented technology

Safety systems for vehicles, primarily passenger vehicles, comprising automated systems and methods for preventing entrapment of children, disabled, aged or infirm persons, or pets from being trapped in closed vehicles left in the sun, so that they will not suffocate from the heat. The invention is characterized by use of one or more systems to sense the occupancy state and temperature inside the vehicle passenger or load space, and provide one or more outputs which can selectively be employed to provide interior and exterior warning of a trapped passenger in a dangerously hot car to permit rescue, and/or to activate vehicle electro-mechanical systems to relieve the heat, such as rolling down windows, unlatching seat belts, unlocking doors, starting the car and/or fans or air conditioning systems and the like. The exterior warnings may be any suitable warning, such as sounding the car horn or alarm siren, flashing head, tail or special lights, placing an emergency call via a vehicle dedicated cell phone, CB radio, GPS system, or the like.

The invention discloses an identification method for a horn of a special vehicle based on dynamic time warping (DTW) and hidden markov model (HMM) evidence integration. The identification method for the horn of the special vehicle based on dynamic time warping (DTW) and hidden markov model (HMM) evidence integration comprise a first step of building a vehicle-horn sample library. A second step of preprocessing step. A third step of extracting and dimensionality reduction disposing parameters of vehicle-horn characteristics. A fourth step of identifying the horn of the special vehicle based on the evidence integration, and gaining the DTW identification result and the HMM identification result by respectively adopting DTW algorithm and HMM algorithm. If the DTW identification result and the HMM identification result are consistent, the final identification result is kept consistent with the DTW identification result or the HMM identification result. If the DTW identification result and the HMM identification result are different, the final identification result should be output by an identification decision reasoning with a data set (DS) evidence theory. The identification method for the horn of the special vehicle based on dynamic time warping (DTW) and hidden markov model (HMM) evidence integration adopts integration identification technology and identification rate is high.

A vehicle horn control assembly comprises a sensor assembly and a controller. The sensor assembly has a sensor array that includes a plurality of sensor zones, with each of the sensor zones being configured to output a respective pressure signal in response to a respective amount of force applied thereto. The controller is configured to determine, based on the respective pressure signals output over a period of time, a touching characteristic representing a manner in which a user touches the sensor assembly to activate a vehicle horn. The controller is further configured to set a respective pressure threshold for each of the sensor zones above which the controller activates the vehicle horn based on the touching characteristic.

The invention discloses a natural environment recognition method based on time-frequency domain statistical feature extraction. The method comprises the steps of (1) collecting various types of natural environmental sounds such as the sound of an engine, a car horn and wind noise, and establishing a sound sample library, (2) carrying out window framing processing on a sound sample signal, (3) extracting the statistical features of all frame signal in a time domain, (4) marking the type of a sound source to which feature vectors belong, and establishing a sample feature library, (5) training a feature vector by using a support vector machine, and establishing a training model, (6) extracting the feature vectors of a target sound, (7) carrying out matching classification on the feature vectors of the target sound by using the support vector machine, and (8) providing an recognition result. According to the method, the disadvantages of traditional sound LPCC and MFCC feature extraction methods in the aspect of time and frequency combination are made up, and the type to which various types of sounds belong can be judged.

The invention is concerned with a safety brake error correction system when the vehicle's tire bursts. When the tire bursts, turn on the circuit to burst tire of the system by check and sending equipment and incepting and disposing equipment to burst signal, then close the liquid (gas) entering electromagnetic valve and open the liquid electromagnetic valve (exhaust valve) to break the trig pipe of burst tire and keep the brake into safety state and avoid the danger that driver stops to run in a wrong way in hurry. Control the automatic brake equipment or carry safety brake by driver will balance the huge resistance difference of tire burst among wheels. It removes the internal force when vehicle runs into a wrong way, and reminds driver by sound and light annunciator, open the left turning light, right turning light, double flash lights, emergency brake light and bugle of car to alarm cars and passerby. It relates to signal check of burst tire, sending equipment, incepting equipment, trig pipe equipment to break burst tire, controllable automatic brake equipment and sound and light alarm equipment.

The invention relates to an automatic tightening machine for a nut for a car horn bracket. The automatic tightening machine comprises a fixed die carrier formed by guide columns (4), guide sleeves (5), an upper template (20) and a lower template (23), wherein a movable template (6) is arranged between the upper and lower templates (20) and (23) and slides along the guide columns, and a lifting cylinder (1) is arranged on the upper template (20); the movable template (6) is connected with a piston rod of the lifting cylinder (1), and a torque sensor (3) is arranged on the movable template (6); one end of the torque sensor (3) is connected with a servo drive (2), and the other end of the torque sensor (3) is connected with a speed reducer(18); and the speed reducer (18) is arranged on a mounting plate (24), and the mounting plate (24) is connected with the movable template (6); and the other end of the speed reducer (18) is connected with an output shaft (17) through a connecting shaft sleeve (19). The horn bracket can not be shaken off, the sound quality of a horn can not be changed, and the machine is convenient to install, can be combined with a production line and meets the needs of different batches of production.

An automatic vehicle horn control system includes a control unit (1), a horn (3) and a horn-operating-regulation acquisition means. An automatic vehicle horn control method includes the following steps: information about horn operating regulation related with current or concerned location and driving direction of the vehicle is acquired, and then a honking forbidden or restriction mode is initiated in which the horn (3) is deactivated or the sound of the horn (3) is controlled to be lower than a certain level, or a honking must mode is initiated in which the horn (3) is operated automatically to produce sound.

The present application provides a system, method and non-transitory computer readable medium that provides a means of using a vehicle horn as an inexpensive user input interface to serve the function of a simple push button switch for an in-vehicle device or system. The use of the vehicle horn as a user input interface to an in-vehicle device or system is novel. The description of example embodiments illustrates application details that take advantage of the properties of the vehicle horn sound to allow efficient processing that can be implemented on a low cost processor.

An improved force-measurement system utilizes active magnetostrictive sensors for generating a signal representative of a force, such as the weight of a person or thing on a seat within a motor vehicle, or the force applied to the horn sensor switch on a vehicle steering wheel. The active magnetostrictive sensor includes an excitation coil and a detection coil.

The invention discloses a system and method for preventing a car from honking at a no-honking area. The system comprises a navigation module, a no-honking area database, a processing module and an executing module. The method comprises the following steps: the navigation module receives the navigation data of the current position; the processing module compares the navigation data of the current position with no-honking position data of the no-honking area in the no-honking area database so as to judge whether the navigation data of the current position is matched with the no-honking position data of the no-honking area in the no-honking area database; if so, the processing module gives out a no-honking signal; and the executing module generates a no-honking action after receiving the no-honking signal. Compared with the prior art, the system and method for preventing the car from honking at the no-honking area, provided by the invention, can be used for reducing or avoiding honking at an area or a road section with a no-honking sign purposely or unintentionally by a driver through pressing a car horn.

The invention relates to a deaf sound discerning apparatus. The apparatus adopts a microphone to test sound and amplifies the sound in the vicinity of a plurality of frequency points for respective sampling and testing and a plurality of intensity signals are acquired. The intensity signals are used for modulating the vibration amplitude or the frequency of a plurality of electromagnetic vibrators and the signal intensity of an optical display correspondingly. The value of signals in the vicinity of the frequency points are obtained based on the amplitude or the frequency and the light intensity, namely, the frequency and the value data of a sound signal are obtained by sampling so as to achieve the effects of discerning different sounds and the meanings of the sounds to a certain degree. The deaf sound discerning apparatus, lip-reading, dummy statement and a hearing aid used by a person of partial deafness can improve effects mutually. The deaf sound discerning apparatus can be used for communication function training for the deaf. The deaf can dance, and perceive calling and vehicle horn, and the like, by the apparatus. People who can not speak because of deafness can compare own pronunciations with the pronunciations of normal people by the apparatus and lip-reading, thus improving pronunciation and expression abilities. The inherent directivity of the microphone can be used for discerning the directions of the continuous and the discontinuous sounds. The sound discerning apparatus also can be used for discerning ultrasonic waves, such as animal language, and the like, by changing the testing frequency.

The invention discloses an environment-friendly automobile horn capable of automatically adjusting the volume according to the environmental noise. The horn comprises two horns with different power and a control device, wherein the control device consists of a microphone, an amplifier, a voltage comparator, and an output stage, the microphone is arranged on the surface of a carriage of an automobile, is used for acquiring the environmental noise, and is connected with the input end of the amplifier, the output end of the amplifier is connected the comparison input end of the voltage comparator, a relay used as the output stage is connected with the output end of the voltage comparator, and a normally open contact and a normally closed contact of the relay which are used as the normally open output end and the normally closed output end are connected with the two horns respectively. When the environment is noisy, the control device selects the high power horn to work to be favorable to the safety of the driving; when the environment is quiet, the low power horn is selected to work, which reduces noise pollution to a great extent on the premise of assuring the safety of the driving, and is favorable for environmental protection.

A horn actuation mechanism senses a deliberate movement of a driver's hand on a side of a steering plane distant from the driver, the steering wheel plane lying crossswise a rotational axis of the steering wheel and approximating a plane bisecting a peripheral gripping region of the steering wheel. The vehicle horn is energized in response to the sensing of such movement. A hand-operational portion of the horn actuation mechanism is advantageously disposed in a position in which a hand grasping a peripheral gripping portion of the wheel can simultaneously actuate the mechanism without removal of the hand from controlled contact with the wheel.

This patent discloses a vehicle having mounted therein a safety system. The safety system may indicate contact between an external object and the vehicle as the vehicle moves in reverse gear. The indication of contact may include automatically shutting down the vehicle engine, engaging the hand braking system of the vehicle, and honking the vehicle horn. The reverse drive safety system for a vehicle may include arms, a sensor cable that may extend between the arms and connect to a sensor spool. The reverse drive safety system additionally may include a sensing device to sense whether an external object has contacted the sensor cable or the arms and may include an electric motor that winds and unwinds the sensor cable based on a signal from the sensing device or a signal from a reverse indicator. The electric motor also may engage and disengage the vehicles hand brake system based on a signal from the sensing device and the reverse indicator. The sensor device additionally may be in communication with an engine kill switch and the vehicle horn.

The invention relates to a traffic whistling safety warning system and a traffic whistling safety warning method. The traffic whistling safety warning method comprises the steps of pre-storing a reference spectrum characteristic parameter value and a reference sound pressure value of motor vehicle horn sound in a storage device of a portable electronic device; acquiring environmental noise signals around the portable electronic device in real time through a microphone; carrying out fast Fourier transform on the acquired environmental noise signals, then carrying out digital filtering, and calculating a spectrum characteristic parameter value and a sound pressure value of the digitally filtered environmental noise signals; stopping voice signals played in an earphone connected with the portable electronic device when the difference between the spectrum characteristic parameter value of the digitally filtered environmental noise signals and the reference spectrum characteristic parameter value is less than a preset error value and the sound pressure value of the digitally filtered environmental noise signals is greater than the reference sound pressure value, and playing the digitally filtered environmental noise signals. According to the invention, the motor vehicle horn sound can be transmitted to the ears of a user synchronously, thereby prompting the user to pay attention to the traffic safety.

The present invention discloses a vehicle loudspeaker working state detection circuit and method. According to vehicle loudspeaker impedance characteristics, when an OTL power amplifier output is connected with a loudspeaker, the direct current impedances of two ends of an LABA+ and an LABA- (which are earthed by default) are about 4 Ohm or 8 Ohm; when the loudspeaker is short circuit, the directcurrent impedances of two ends of the LABA+ and the LABA- are 0; when the OTL power amplifier output is not connected with the loudspeaker, the loudspeaker is equivalent to an open circuit and a suspension state; based on the impedance change of the two ends of the LABA+ and the LABA-, it is determined whether the vehicle loudspeaker is in the open-circuit or short-circuit state or not according to the jumping of the level of a second input end GPIO0 of an MCU processor and different voltage values collected by a first input end A/D of the MCU processor. The vehicle loudspeaker working state detection circuit and method can be applied to a device of a vehicle OTL audio amplifier and offline detection of one earthed end of the in-vehicle loudspeaker to check vehicle horn faults; and moreover, the vehicle loudspeaker working state detection circuit and method are low in cost and convenient to apply, can perform automatic detection for the vehicle sound player and can rapidly determine faults of the loudspeaker.

The invention provides a vehicle traveling information restoring method and system. A vehicle traveling data recorder acquires vehicle traveling information, an intelligent terminal sends the vehicle traveling information a server, and the server combines the information in basic information and the information in event information in the vehicle traveling information to form an information set according to screening conditions. The basic information includes at least one of time information and positioning information, the event information includes at least one of velocity information, acceleration information, angular motion information, alcohol information, smoke information and vehicle horn information, the time when a specific event occurs and the place where the specific event occurs in the vehicle traveling process can be restored by combining the basic information and the event information, people can know and restore more details in the vehicle traveling process according to the event information, and desired details can be screened out from the vehicle traveling information as far as possible according to the screening conditions. The invention further provides the server and a vehicle traveling information restoring method thereof.

The invention relates to a novel vehicle electronic horn and a manufacture method thereof, while prior mechanical horns have low stability and short service life. The vehicle electronic horn comprises a shell, a static armature connected with the shell, and a movable armature connected with a membrane, wherein the membrane is ringed by a seal insulation ring, the membrane provided with the seal insulation ring is connected with the shell via a press ring, the movable armature and the static armature are communicated or not via an elastic structure, and the membrane is connected with an electronic switch circuit via an electric lead-out device. The product can be used as vehicle horns.

An automotive audit system maintains a record of usage of a vehicle horn and the record is made accessible for later audit of horn use. The record is maintained in a memory device which may be accessed and read by a law enforcement authority, fleet manager, or other authorized person(s) for the purpose of auditing vehicle horn use. The device comprises a detector for detecting instances of horn use, a counter for counting instances of horn use, and a memory connected with the counter for retaining a record.

The invention relates to a protection method and circuit, for preventing overheating damage caused by long-time sounding of a motor vehicle mechanical electric horn and a motor vehicle electronic horn. In one embodiment, the protection circuit comprises a horn coil, and is characterized by further comprising a temperature detecting unit which is used for detecting the temperature of the horn coil when a motor vehicle horn works and a similar temperature, and a control unit which reduces horn driving currents when the motor vehicle horn works and the temperature of the horn coil increases, such that the horn is prevented from damage caused by overheating, and the motor vehicle mechanical electric horn and the motor vehicle electronic horn are effectively protected.

The invention is a wireless automobile horn relay burglary protection system, which mainly comprises a horn relay shell internally provided with a power input and voltage-stabilizer circuit, a wireless transmission circuit, a CPU decoding and a controlling circuit, a horn relay driving circuit, a relay as well as a burglary protection sensor used for anti-theft sensing and driving original vehicle horn to resound, and taking output as well as input terminals as the same terminals of the original vehicle horn. The positive power source end plug of the positive and negative input wires is designed as a fuse plug for gaining the positive and negative power source when inserting into the fuse socket of the positive and negative power source. The original fuse is inserted into the preserved fuse socket to ensure its function. The negative power source wire end is locked to the earthing vehicle body; also a wireless remote controller. The circuit inside the remote controller controls the start and the shut. Thereby, the invention is free from drilling and wiring and additional horn during installation, and the original horn is able to be used for warning, thus realizing convenience and hidden burglary protection effect.