CN200950656Y - Vehicle-mounted directional voice beam transmitting device for driver to receive phone unobstructedly - Google Patents
Vehicle-mounted directional voice beam transmitting device for driver to receive phone unobstructedly Download PDFInfo
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- CN200950656Y CN200950656Y CN 200620069461 CN200620069461U CN200950656Y CN 200950656 Y CN200950656 Y CN 200950656Y CN 200620069461 CN200620069461 CN 200620069461 CN 200620069461 U CN200620069461 U CN 200620069461U CN 200950656 Y CN200950656 Y CN 200950656Y
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Abstract
The utility model relates to a driver unobstructed receiving hand phone call car-carried directional sound transmission sound beam device, which is characterized in that a fore apron sound source collection device transmits the collected sound to a background sound beam sound transmission controller after treatment through wire connection or wireless emission direction in terms of simulative mode or digital mode. The directional sound beam sound speaker and the background directional sound beam controller are connected by means of wire connection mode. The device has the advantages of that the design of the driver unobstructed hand phone receiving car-carried directional sound transmission sound beam system realizes a function of hand phone receiving without any accessory to ensure privacy of communication contents. With the morphological design, the system may greatly improve the operability and operational comfort. Introducing a background noise collection device may realize automatic adjustment control of directional speaker increment to give out an optimal sound effect.
Description
Technical field
The utility model relates to the vehicle-mounted directed sound bundle microphone device of the accessible answering cell phone of driver, belong to the vehicle-carrying communication technical field.
Background technology
Under existing technical conditions, driver's answering cell phone in vehicle traveling process be one pretty troublesome, the thing that may endanger safe traffic again.How guaranteeing that normal answering cell phone is the urgent technical problem of wishing solution of many drivers institute under the prerequisite of traffic safety.There have been some technological means to address this problem substantially at present, 1. as adopting the earphone receiving device and the bluetooth connecting device of mobile phone, but adopt these two kinds of connecting devices to bring the problem of physiological discomfort simultaneously, need on ear, place an earphone or similar device after all; 2. the vehicle carried mobile phone system still adopts this connecting device can not satisfy telephone user's private requirement, and promptly the people on the car can hear the message of being answered.
Summary of the invention
The utility model is a kind of vehicle-mounted directed sound bundle microphone device of accessible answering cell phone that satisfies driver's comfort level and privacy simultaneously.It can either overcome the defective that need place an earphone or similar device on ear of above-mentioned existence, cancellation is placed on all auxiliary equipments (as bluetooth earphone) on the human body, can satisfy telephone user's private requirement again, promptly other people can't hear the message of being answered on the car except that the driver.It is based on following basic functional principle: the basic sound system of mobile phone communication comprises two parts: a. sound source is collected and treatment system, and this part work is finished by shotgun microphone; B. sound-producing device, this part work is finished by the small-power loud speaker.
Technical solution of the present utility model: it is characterized in that comprising foreground sound source gathering-device and directed sound Shu Chuanyin loud speaker and backstage directed sound Shu Chuanyin controller, wherein foreground sound source gathering-device with the acoustic processing of collecting after direction by wired connection or wireless transmission send backstage directed sound Shu Chuanyin controller to simulated mode or digital mode, adopt wired mode to connect between the directed sound Shu Chuanyin controller of directed sound Shu Chuanyin loud speaker and backstage.
Advantage of the present utility model: design directed acoustic (sound bundle) system, cancellation is placed on all auxiliary equipments on the human body, guarantees the privacy of dialog context; Angle design system from body is learned increases operability and comfort greatly; Introduce the background noise harvester, realize the automatic adjusting control of the gain of directional loudspeaker is realized the best effect of answering.
Description of drawings
Fig. 1 foreground sound source gathering-device composition frame chart
Fig. 2 backstage directed sound Shu Chuanyin controller composition frame chart
The flat directional loudspeaker operation principle of Fig. 3 schematic diagram
The reflective directional loudspeaker operation principle of Fig. 4 schematic diagram
Among the figure 1 is power module (charging inlet and rechargeable battery), the 2nd, shotgun microphone, the 3rd, radio transmitter (prior art), the 4th, sound-source signal is handled and output circuit (prior art), the 5th, low-power wireless receiving circuit (prior art), the 6th, handset earphone jack speech output signal treatment circuit (prior art), the 7th, directional loudspeaker gain controlling and signal output apparatus (prior art), the 8th, the directional loudspeaker signal output interface, the 9th, the interface arrangement that achieves a butt joint with the earphone jack of mobile phone, the 10th, charging inlet, the 11st, power module (charging inlet and rechargeable battery), the 12nd, background noise Acquisition Circuit (prior art), the 13rd, connect left directional loudspeaker, the 14th, connect right directional loudspeaker, the 15th, the background noise microphone, 16 is first sound-absorbing materials, the 17th, directed sounding chamber, the 18th, sound-absorbing material, the 19th, sound source, 20 parabolic focus, the 21st, the acoustic reflection parabola.
Embodiment
The vehicle-mounted directed sound Shu Chuanyin of the accessible answering cell phone of driver system, its structure comprises (can be installed in the centre position of steering wheel, also can be fixed on the instrument desk in driver the place ahead) foreground sound source gathering-device and (can be installed in the driver seat both sides near ear elevation position, the left and right sides, but the backstage directed sound Shu Chuanyin controller of directed sound Shu Chuanyin loud speaker or other installation sites in the car) and (can be installed in the back side of driver seat, but or other installation sites in the car).
Foreground sound source gathering-device with the acoustic processing of collecting after direction by wired connection or wireless transmission send backstage directed sound Shu Chuanyin controller to simulated mode or digital mode, can adopt information encryption in the time of wireless transmission, can prevent from like this that remote eavesdropping is logical to live; Adopt wired mode to connect between the directed sound Shu Chuanyin controller of loud speaker and backstage, preferably shielded type cable.
Contrast accompanying drawing 2, described backstage directed sound Shu Chuanyin controller mainly comprises: the interface arrangement that the earphone jack of a. and mobile phone achieves a butt joint; B. background noise Acquisition Circuit (adopting listener's echo of the prior art to suppress circuit) is used for the gain that directional loudspeaker was handled and regulated automatically to tonequality; C. the gain control circuit of directional loudspeaker; D. handset earphone jack speech output signal treatment circuit; E. low-power wireless receiving circuit is used to realize the radio communication with foreground sound source gathering-device; F. the sound-source signal of collecting is handled and output circuit; G. power module, wherein the signal output part of background noise Acquisition Circuit connects the signal input part of the gain control circuit of directed sound Shu Chuanyin loud speaker; The sound-source signal processing of low-power wireless receiving circuit, collection is connected in series with output circuit with the gain control circuit of output circuit, handset earphone jack speech output signal treatment circuit, directed sound Shu Chuanyin loud speaker, the sound-source signal processing of collection.
Contrast accompanying drawing 3,4, described directed sound Shu Chuanyin loud speaker is placed on the elevation position of driver seat both sides near left and right sides ear as the sound-producing device of mobile phone.For adapting to the bodily form feature of different human pilots better, directed sound Shu Chuanyin loud speaker intends adopting sphere shape hinge location to regulate to make things convenient for the driver that it is carried out suitable locus.Adopt directed sound Shu Chuanyin loud speaker can guarantee the sounding nonvoluntary diffusion in zone of sound-producing device, can guarantee the privacy that mobile phone is answered like this.Directed sound Shu Chuanyin loud speaker is with mode directional transmissions to the fixing orientation of sound with the sound bundle.It can be selected as directed sound Shu Chuanyin loud speakers such as flat, reflective, ultrasonic waves.
Described flat directed sound Shu Chuanyin loud speaker: sound source is placed on the directed sounding cavity of a suitable length, and the sound wave of non-selection area will be absorbed by sound-absorbing material, has only the sound wave energy normal transmission of selection area, thereby obtains the effect of directed sounding.The operation principle of flat directional loudspeaker is simple, structural design also is easy to, but the energy loss of sound wave is bigger, influences phonation efficiency.
Described reflective directional loudspeaker: sound source is placed in the directed sounding cavity of a particular design, the anchor point of sound source and the design of the focus of reflection paraboloid coincide, sound source is constrained on after parabolic reflector in the cylindrical region substantially like this, behind circular cylindrical cavity, can realize directed vocal function, the sound wave of non-selection area will be absorbed by sound-absorbing material in circular cylindrical cavity, have only the sound wave energy normal transmission of selection area, thereby obtain the effect of directed sounding.The operation principle more complicated of reflective directional loudspeaker, the difficulty of structural design is bigger, but the energy loss of sound wave is smaller, and phonation efficiency is higher.
The course of work of the present utility model: after the driver hears ringing sound of cell phone, click " connection " button that is arranged on the foreground sound source gathering-device (being placed on the center of steering wheel), the directed sound Shu Chuanyin controller on foreground sound source gathering-device and backstage starts work simultaneously, collect driver's sounding sound source information by foreground sound source gathering-device, low-power wireless radiating circuit through the foreground is transferred to backstage directed sound Shu Chuanyin controller, backstage directed sound Shu Chuanyin controller carries out this signal to input to mobile phone by interface arrangement through the earphone jack of mobile phone after the speech processes, finishes the sound source collecting function of mobile phone.Voice signal by mobile phone output is exported to directed sound Shu Chuanyin controller through interface arrangement, directed sound Shu Chuanyin controller carries out suitable tonequality to this voice signal to be handled, export via directional loudspeaker then, directional transmissions is to driver's left and right sides ear, directed sound Shu Chuanyin controller is regulated the call-information that speaker gain makes the driver hear automatically according to the background noise levels that collects and is avoided The noise in the compartment, thereby finishes the directed vocal function of mobile phone.
The mounting means of vehicle-mounted directed sound bundle microphone device
Consider that from convenient and practical angle vehicle-mounted directed acoustic (sound bundle) system can be designed to following two kinds of forms: a. is split type; B. integral type.
A. split type
Adopt special installation firmware that foreground sound source gathering-device is installed on the steering wheel, mobile phone putting bag and backstage directed sound Shu Chuanyin controller is placed on the back side of driver seat, and the left and right sides that directional loudspeaker is placed on driver seat respectively is near people's ear elevation position.
B. integral type
Jointly foreground sound source gathering-device is set directly in the steering wheel parts with automobile production producer or accessory manufacturer, constitute a novel steering wheel, directed acoustic (sound bundle) controller of mobile phone putting bag, backstage and directional loudspeaker are directly designed appropriate location at driver seat, form a new integral body.More attractive in appearance like this and more save production cost.
Claims (3)
1, the vehicle-mounted directed sound bundle microphone device of the accessible answering cell phone of driver, it is characterized in that comprising foreground sound source gathering-device and directed sound Shu Chuanyin loud speaker and backstage directed sound Shu Chuanyin controller, wherein foreground sound source gathering-device with the acoustic processing of collecting after direction by wired connection or wireless transmission send backstage directed sound Shu Chuanyin controller to simulated mode or digital mode, adopt wired mode to connect between the directed sound Shu Chuanyin controller of directed sound Shu Chuanyin loud speaker and backstage.
2, the vehicle-mounted directed sound bundle microphone device of the accessible answering cell phone of driver according to claim 1, the power output end that it is characterized in that the power module in the sound source gathering-device of foreground joins with the power input of shotgun microphone, low-power wireless radiating circuit respectively, to shotgun microphone, the power supply of low-power wireless radiating circuit; The signal input part of the signal output part of shotgun microphone and low-power wireless radiating circuit joins, and " connection " button connects the low-power wireless radiating circuit.
3, the vehicle-mounted directed sound bundle microphone device of the accessible answering cell phone of driver according to claim 1 is characterized in that the signal output part of the background noise Acquisition Circuit in the directed sound Shu Chuanyin controller of backstage connects the signal input part of the gain control circuit of directional loudspeaker; The sound-source signal processing of low-power wireless receiving circuit, collection is connected in series with output circuit with the gain control circuit of output circuit, handset earphone jack speech output signal treatment circuit, directional loudspeaker, the sound-source signal processing of collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620069461 CN200950656Y (en) | 2006-02-21 | 2006-02-21 | Vehicle-mounted directional voice beam transmitting device for driver to receive phone unobstructedly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620069461 CN200950656Y (en) | 2006-02-21 | 2006-02-21 | Vehicle-mounted directional voice beam transmitting device for driver to receive phone unobstructedly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200950656Y true CN200950656Y (en) | 2007-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620069461 Expired - Fee Related CN200950656Y (en) | 2006-02-21 | 2006-02-21 | Vehicle-mounted directional voice beam transmitting device for driver to receive phone unobstructedly |
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| Country | Link |
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| CN (1) | CN200950656Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618618A (en) * | 2014-11-10 | 2015-05-13 | 北京慧驰科技有限公司 | Automobile infotainment device and system |
-
2006
- 2006-02-21 CN CN 200620069461 patent/CN200950656Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618618A (en) * | 2014-11-10 | 2015-05-13 | 北京慧驰科技有限公司 | Automobile infotainment device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20100221 |