KR20110049482A - Headset type navigation - Google Patents

Headset type navigation Download PDF

Info

Publication number
KR20110049482A
KR20110049482A KR1020090106504A KR20090106504A KR20110049482A KR 20110049482 A KR20110049482 A KR 20110049482A KR 1020090106504 A KR1020090106504 A KR 1020090106504A KR 20090106504 A KR20090106504 A KR 20090106504A KR 20110049482 A KR20110049482 A KR 20110049482A
Authority
KR
South Korea
Prior art keywords
unit
headset
navigation
signal
input
Prior art date
Application number
KR1020090106504A
Other languages
Korean (ko)
Inventor
김한균
Original Assignee
주식회사 이랜텍
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
Application filed by 주식회사 이랜텍 filed Critical 주식회사 이랜텍
Priority to KR1020090106504A priority Critical patent/KR20110049482A/en
Publication of KR20110049482A publication Critical patent/KR20110049482A/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Navigation (AREA)

Abstract

PURPOSE: A headset type navigation device is provided to improve portability and enable a user to exactly listen to guide information despite external noise. CONSTITUTION: A headset type navigation device comprises first and second speaker units(2,4), a first housing part(10), a second housing part(20), and a connection part(30). The first and second speaker units output voice information. The first housing part is equipped with the first speaker part and comprises a GPS engine and a MICOM part inside. The second housing part is equipped with the second housing part and comprises a power supply unit inside. The connection part comprises a data cable for the connection of the first and second housing parts. The second housing part comprises an input unit(24) and a display unit.

Description

Headset Navigation {HEADSET TYPE NAVIGATION}

The present invention relates to a headset-type navigation, and more particularly, a headset type that is portable and easy to charge while being guided by a voice to a desired destination when the user moves or walks by using an electric motor or a bicycle. It's about navigation.

In general, a navigation system (car navigation system) tells the user the current location of the vehicle (Location), provides the optimal route to the desired destination (Routing) and guides the driver along the route. It is a device that provides various kinds of information to help driving.

In this case, the navigation outputs a visual map and a voice to a user, thereby guiding the user to easily reach a desired destination, and is generally used in a vehicle.

On the other hand, in recent years, as part of the green industry, the use of electric bicycles and bicycles is increasing, and when using such bicycles, it is difficult to move or find directions because the navigation mounted on the vehicle cannot be used. There was this.

That is, in the case of bicycles, it is difficult to use navigation using a visual map on the bicycle while driving, and since it is not provided with a space to protect external noise like the interior of a vehicle, it is difficult to accurately listen to guide broadcasts. There was a limit to using it on bicycles.

In addition, in the case of bicycles, when the navigation is mounted on the steering wheel, there is a risk of theft and breakdown because the navigation is exposed to the outside, and the existing navigation device is applied to the bicycles because it must be detached and carried at all times to prevent this. There was a problem that is difficult to make.

In addition, in the case of the conventional navigation, there is a problem in that it is inconvenient to use when walking by moving because of the size of the navigation device and the size of the navigation device described above.

The present invention was created to solve the above problems, an object of the present invention, even when moving or walking using a bicycle, such as an electric motor, electric bicycle, bicycle, etc. can be easily reached to the destination by voice guidance To provide headset navigation.

Still another object of the present invention is to provide a headset-type navigation that enables navigation of a precise guide broadcast even in external noise by implementing the navigation in the form of a headset.

Still another object of the present invention is a headset that is simple to operate and convenient to use, and can be linked to various portable terminals having a Bluetooth function so as to listen to music and radio broadcasts as well as to find directions, and to implement a hands-free function of a mobile phone. To provide type navigation.

The above object is, according to the present invention, first and second speaker unit for outputting voice information; A first housing part in which the first speaker part is installed and in which a GPS engine part and a microcomputer part are built; A second housing unit in which the second speaker unit is installed and a power supply unit is built-in; And a connection part in which a data cable for connecting the first and second housing parts is embedded, and the connection part may be achieved by a headset-type navigation equipped with a GPS antenna part for transmitting and receiving satellite signals.

Here, the GPS engine unit may be provided to decode the satellite signal received from the GPS antenna unit and transmit the decoded satellite signal to the microcomputer unit.

The first housing part may further include a memory part, and a memory card may be inserted into the memory part to communicate with the micom part.

The second housing unit may include an input unit for operating the headset navigation and a display unit for displaying a state of the headset navigation to the user.

Here, the input unit may be provided with one or more input buttons, and the display unit may be provided with a character LCD (CLCD).

On the other hand, the microcomputer unit, an input processing unit for processing the signal input from the input unit; A power management unit managing power supplied from the power supply unit; And a communication unit which is connected to the GPS engine unit, the memory unit, or the display unit to perform data input and output.

Here, the communication unit, SPI (Serial Peripheral Interface) communication unit for communication with the display unit; A Secure Digital Input Output (SDIO) communication unit for communicating with the memory unit; It may include; Universal Asynchronous Receiver / Transmitter (UART) communication unit for communication with the GPS engine unit.

In addition, when the Bluetooth module is added to enable communication with the Bluetooth portable terminal, the communication unit may further include an SPI communication unit arranged to communicate with the module.

The microcomputer may further include a signal modulator for modulating the voice signal selected from the map DB into a PWM signal by calculating the satellite data input from the GPS engine unit.

In addition, the signal modulator may be provided to convert the voice signal of the PWM (Pulse Width Modulation) method.

The first and second housing units may further include a codec unit for converting the PWM voice signal transmitted from the signal modulator into an analog voice signal and an amplifier for amplifying the voice signal converted by the codec unit.

The headset-type navigation may be used as data on calorie consumption according to movement by storing a user's moving distance or moving time or moving speed or moving path in the memory card.

The second housing unit may further include a charging slot for charging the power supply unit, and the charging slot may be provided as one of a DC jack, a 24-pin connector, or a USB connector.

According to the present invention, even when moving or walking using bicycles such as electric motors, electric bicycles, bicycles, and the like, the user can easily reach the destination by voice.

In addition, by implementing the navigation in the form of a headset, it is possible to listen to the accurate announcement even in the external noise, it is possible to exhibit a free effect.

In addition, it is easy to use because it is easy to operate, and it is possible to link with various portable terminals with Bluetooth function, so that in addition to the wayfinding announcement, it is possible to listen to music and radio broadcasts and to implement the hands-free function of the mobile phone.

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms used in the present specification and claims should not be construed in a dictionary meaning, and the inventors may properly define the concept of terms in order to explain their invention in the best way. It should be construed as meaning and concept consistent with the technical spirit of the present invention.

Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.

1 is a perspective view of a headset navigation according to the present invention, Figure 2 is a block diagram of a headset navigation according to the present invention.

1 to 2, the headset-type navigation according to the present invention, the first and second speaker unit (2, 4) for outputting voice information; A first housing part 10 in which the first speaker part 2 is installed and in which the GPS engine part 40 and the microcomputer part 50 are embedded; A second housing part 20 in which the second speaker part 4 is installed and in which a power supply part 22 is built; And a connection part 30 in which a data cable for connecting the first and second housing parts 10 and 20 is embedded. The connection part 30 includes a GPS antenna part 32 for transmitting and receiving satellite signals. Is fitted.

Here, the GPS antenna unit 32 is a component that is responsible for transmitting and receiving satellite signals, and is mounted on the interruption of the connection unit 30 that is exposed to the outside (back part of the user's head, neckband). Send and receive can be implemented.

In addition, the GPS engine unit 40 is a component for decoding the satellite signal received from the GPS antenna unit 32 and transmitting the decoded satellite signal to the microcomputer 50, wherein the microcomputer 50 is the satellite. Analyzing and calculating the signal to select the appropriate voice data from the Map DB is provided to output the appropriate voice guidance signal to the user through the first, second speakers (2, 4).

Here, the first housing 10 is a component in which the first speaker 2 is installed, and the GPS engine unit 40, the microcomputer unit 50, and the memory unit 12 are embedded therein.

In addition, the memory unit 12 includes a DB memory slot for inserting a memory card such as an SD card, a USIM card, etc., and a memory card is inserted into the memory slot so as to be able to communicate with the microcomputer 50. Can be.

In addition, the memory card stores information such as a map DB of a specific region or a POI (point of interest) region designated by the user, and requests the user through communication with the microcomputer 50 and transmission and reception of GPS satellite signals. And a voice guide signal conforming to the above, the music file such as MP3 may be stored.

In addition, the second housing unit 20 may include an input unit 24 through which the headset-type navigation is operated by a user and a display unit 26 which displays a state of the headset-type navigation to the user.

That is, the second speaker unit 4 may be installed in the second housing unit 20, and the power supply unit 22 may be built in the state in which the input unit 24 and the display unit 26 are mounted on the outside thereof. .

Here, the input unit 24, as shown in Figure 1, may be provided with one or more input buttons, preferably composed of up / down buttons, selection buttons, but is not limited to this, volume control button It can be implemented as various types of buttons, such as direction buttons and menu buttons.

In addition, the display unit 26 displays a user interface (UI) to select a destination (address, address, etc.) stored in the memory unit 12 and set a destination according to a button input of the input unit 24. Note is a component.

That is, the display unit 26 displays the menus such as address list, destination list, address search, etc. stored in the memory unit 12 to the user in alphabetical order or frequently used destination order or by user designation. By inputting the button of the input unit 24, a desired destination can be easily set.

In addition, the display unit 26 may be provided as a CLCD (Character LCD) to provide the user with information such as the battery level of the headset navigation, the remaining memory, the estimated time of arrival of the destination, the current time, the moving distance, and the like. It may be provided with LCD, LCD, LED, and the like.

On the other hand, the microcomputer unit 50, the satellite signal input from the GPS engine unit 40 and the destination setting coordinates input by the user to calculate the movement path and the component for outputting this as a voice signal to the user to be.

Here, the microcomputer unit 50 includes an input processing unit 52 for processing a signal input from the input unit 24, as shown in FIG. A power manager 54 for managing the power supplied from the power supply 22; And a communication unit 55 that is connected to the GPS engine unit 40, the memory unit 12, or the display unit 26 to perform data input and output.

Here, the input processing unit 52 is a component that changes the display state of the display unit 26 according to the signal input from the input unit 24 or processes the control signal of the navigation according to the input button.

In addition, the power management unit 54 is a component for using the power provided by the power supply unit 22 as efficiently as possible, and includes a power management circuit to supply appropriate power according to the use of navigation and real-time power usage. It plays a role.

Here, the power supply unit 22 may be provided as a battery such as a rechargeable secondary battery that is not rechargeable, and may be easily replaced from the second housing unit 20.

On the other hand, the communication unit 55 is a component that performs data communication between the above-described components and the microcomputer 50, and the SPI (Serial Peripheral Interface) communication unit 56 for communication with the display unit 26 ; A Secure Digital Input Output (SDIO) communication unit 57 for communicating with the memory unit 12; And a UART (Universal Asynchronous Receiver / Transmitter) communication unit 58 for communicating with the GPS engine unit 40.

Here, the SPI communication is a kind of communication method between the on-board IC, and has a merit of simplicity, high versatility, and high transmission speed, so that the destination setting of navigation by button input can be easily implemented.

In addition, the SDIO communication is a communication method that implements input and output for information stored in a memory card inserted into a memory slot corresponding to an SD memory card in various popular standards.

In addition, the UART communication is an abbreviation of general-purpose asynchronous transmission and reception, a communication method for converting or restoring parallel data into a serial bit stream, adding a parity bit, or detecting and removing parity. It may be applied to the communication with the GPS engine unit 40.

In addition, the communication unit 55 further includes an SPI communication unit 56 provided to communicate with a Bluetooth module so as to communicate with a Bluetooth portable terminal, and is connected with a device such as a mobile phone, a PDA, a laptop, Bluetooth hands-free, Bluetooth audio. It may be provided to perform a transmission function.

On the other hand, the microcomputer unit 50 adds a signal modulator 51 for calculating a data signal input from the GPS engine unit 40 to select the appropriate voice data from the map DB of the memory unit to modulate the PWM signal into a PWM voice signal. It may include.

Here, the signal modulator 51 is a component for modulating a data signal into a voice signal. Preferably, the signal modulator 51 may be provided in a pulse width modulation (PWM) manner to convert the data signal into a voice signal.

Here, the PWM modulates the duty ratio of the pulse signal included in the data (time ratio of the high signal for one period) to convert the digital data into analog data. The signal modulator 51 includes a PWM circuit. Can be configured.

In addition, the first and second housing parts 10 and 20 may be converted by the codec unit 60 and the codec unit 60 to convert the PWM voice signal transmitted from the signal modulator 51 into an analog voice signal. It may further include an amplifier 70 for amplifying the speech signal.

That is, in the headset-type navigation according to the present invention, the satellite signal received through the GPS antenna unit 32 is decoded by the GPS engine unit 40 and transmitted to the microcomputer unit 50 through the UART communication unit 58. The received satellite signal is transmitted to the signal modulator 51 by selecting data for voice announcement by the voice map engine DB stored in the memory card and modulated into a PWM voice signal, and the signal is converted into the codec unit 60 and The first and second speaker units 10 and 20 are output to the user via the amplifier unit 70.

Here, the destination setting and various function control by the user are implemented by inputting a button of the input unit 24 by the information displayed through the CLCD, and then the map engine stored in the microcomputer unit 50 or stored in a memory card. Is computed and displayed back to the user via CLCD.

On the other hand, the headset-type navigation according to the present invention may be provided to store the user's movement distance or movement time or movement speed or movement path in the memory card to use as data on calorie consumption due to movement.

That is, the user can numerically recognize his moving path, moving section, and exercise degree through various information stored in the memory card, and can analyze the moving path of the individual or manage the health condition based on this information. Can be.

In addition, the second housing part 20 further includes a charging slot 28 for charging the power supply 22, and the charging slot 28 is any one of a DC jack, a 24-pin connector, or a USB connector. Can be prepared.

In FIG. 1, the charging slot 28 is represented as a DC jack, but is not limited thereto, and the charging slot 28 is provided as the above-described 24-pin, USB connector, or various types of connectors to easily charge the power supply 22. Can be.

As described above, the headset-type navigation according to the present invention can easily reach the destination by voice guidance even when moving or walking using bicycles such as electric motors, electric bicycles, bicycles, etc., and implements navigation in a headset form. Therefore, it is possible to listen to the accurate announcement even in the outside noise, free to carry.

In addition, it is easy to use because it is easy to operate, and it is possible to link with various portable terminals with Bluetooth function, so that in addition to the wayfinding announcement, it is possible to listen to music and radio broadcasts and to implement the hands-free function of the mobile phone.

As mentioned above, although the present invention has been described by way of limited embodiments and drawings, the technical idea of the present invention is not limited thereto, and a person having ordinary skill in the art to which the present invention pertains, Various modifications and variations may be made without departing from the scope of the appended claims.

Since the accompanying drawings are for understanding the technical spirit of the present invention together with the detailed description of the above-described invention, the present invention should not be construed as limited to the matters shown in the following drawings.

1 is a perspective view of a headset-type navigation according to the present invention,

2 is a block diagram of a headset navigation according to the present invention.

* Description of the symbols for the main parts of the drawings *

2: first speaker portion 4: second speaker portion

10: first housing portion 12: memory portion

20: second housing 22: power supply

24: input unit 26: display unit

30: connection part 32: GPS antenna part

40: GPS engine unit 50: microcomputer unit

51: signal modulator 52: input processing unit

54: power management unit 55: communication unit

60: codec unit 70: amplification unit

Claims (9)

First and second speaker units for outputting voice information; A first housing part in which the first speaker part is installed and in which a GPS engine part and a microcomputer part are built; A second housing unit in which the second speaker unit is installed and a power supply unit is built-in; And a connection part in which a data cable for connecting the first and second housing parts is embedded. The second housing unit includes an input unit for operating the headset navigation and a display unit for displaying a state of the headset navigation to the user, Headset type navigation, characterized in that the connection portion is equipped with a GPS antenna for transmitting and receiving satellite signals. The method of claim 1, And the first housing part further includes a memory part, wherein the memory card is inserted into the memory part so as to be able to communicate with the micom part. The method of claim 2, The input unit is provided with one or more input buttons, and the display unit is a headset type navigation, characterized in that provided with a CLCD (Character LCD). The method of claim 3, wherein The microcomputer unit, An input processing unit for processing a signal input from the input unit; A power management unit managing power supplied from the power supply unit; And a communication unit which is connected to the GPS engine unit, the memory unit, or the display unit and is responsible for inputting and outputting data. The method of claim 4, wherein The communication unit, A serial peripheral interface (SPI) communication unit for communicating with the display unit; A Secure Digital Input Output (SDIO) communication unit for communicating with the memory unit; And a UART (Universal Asynchronous Receiver / Transmitter) communication unit for communicating with the GPS engine unit. The SPI communication unit is a headset-type navigation, characterized in that the communication with the Bluetooth module to communicate with the Bluetooth portable terminal. The method of claim 5, The microcomputer unit further includes a signal modulator for calculating a data signal input from the GPS engine unit to select voice data of Map DB and modulating the PWM signal into a PWM voice signal, wherein the signal modulator is provided in a pulse width modulation (PWM) scheme. Headset navigation, characterized by converting a data signal into a voice signal. The method of claim 6, The first and second housings are headset type, characterized in that further comprises a codec unit for converting the PWM voice signal transmitted from the signal modulator to an analog voice signal and an amplifier for amplifying the voice signal converted by the codec unit navigation. The method of claim 7, wherein The headset-type navigation is a headset-type navigation, characterized in that stored in the memory card the user's moving distance or movement time or movement speed or movement path can be utilized as data on calorie consumption according to the movement. The method of claim 1, The second housing part further comprises a charging slot for charging the power supply, the charging slot is a headset type, characterized in that provided with any one of a DC jack, a 24-pin connector or a USB connector.
KR1020090106504A 2009-11-05 2009-11-05 Headset type navigation KR20110049482A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090106504A KR20110049482A (en) 2009-11-05 2009-11-05 Headset type navigation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090106504A KR20110049482A (en) 2009-11-05 2009-11-05 Headset type navigation

Publications (1)

Publication Number Publication Date
KR20110049482A true KR20110049482A (en) 2011-05-12

Family

ID=44360612

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090106504A KR20110049482A (en) 2009-11-05 2009-11-05 Headset type navigation

Country Status (1)

Country Link
KR (1) KR20110049482A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101430034B1 (en) * 2013-05-20 2014-08-14 주식회사 이노디자인 Headset device for independently controlling volumes of right and left speakers
KR101464913B1 (en) * 2014-02-21 2014-11-25 서강정 Bicycle travel diary with navigation function
CN110108286A (en) * 2019-05-23 2019-08-09 王庆军 A kind of intelligence is ridden navigation equipment and its working method
KR102152675B1 (en) * 2019-04-29 2020-09-07 김희성 A voice assisted earset for running
KR102174508B1 (en) * 2019-05-23 2020-11-04 김희성 A GPS voice assisted bone conduction headset for running available by the visually impaired

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101430034B1 (en) * 2013-05-20 2014-08-14 주식회사 이노디자인 Headset device for independently controlling volumes of right and left speakers
KR101464913B1 (en) * 2014-02-21 2014-11-25 서강정 Bicycle travel diary with navigation function
KR102152675B1 (en) * 2019-04-29 2020-09-07 김희성 A voice assisted earset for running
WO2020222396A1 (en) * 2019-04-29 2020-11-05 김희성 Voice support earset for running
CN112154674A (en) * 2019-04-29 2020-12-29 金熙星 Running earplug supporting voice
CN110108286A (en) * 2019-05-23 2019-08-09 王庆军 A kind of intelligence is ridden navigation equipment and its working method
KR102174508B1 (en) * 2019-05-23 2020-11-04 김희성 A GPS voice assisted bone conduction headset for running available by the visually impaired

Similar Documents

Publication Publication Date Title
US6526287B1 (en) Cellular phone capable of accommodating electronic device
KR20110049482A (en) Headset type navigation
CN101210829B (en) In-vehicle electronic apparatus and in-vehicle electronic system
CN102144249A (en) Systems and methods for connecting and operating portable GPS enabled devices in automobiles
CN101641567A (en) A method of conserving power in a navigation device and a power conserving navigation device
CN101198244A (en) In-vehicle electronic system and in-vehicle electronic apparatus
US20060212213A1 (en) Navigation System
US20160192053A1 (en) Earphone assembly and assistant guiding system for tourists
CN104228707B (en) Multimedia installation unit for motor vehicles
KR101049538B1 (en) Mobile communication terminal for displaying vehicle location and location display method
US7679322B1 (en) Auxiliary power adapter having device controls
US20050240346A1 (en) Information transmission device
CN204392569U (en) Based on the open wireless microphone of bluetooth earphone source of sound
US20130028431A1 (en) Multifunctional electronic accessory
CN102801852A (en) Full-automatic explanation extender for smart phone
US20020186164A1 (en) Searching apparatus
CN201966989U (en) Image telephone switcher
KR20120013840A (en) Cradle for display
JP2014151880A (en) Vehicular display system
US20050037780A1 (en) Mobile communication device with digital compass
CN203084201U (en) Navigator with NFC (Near Field Communication) function
EP2115876B1 (en) Radio-wave communication device interfaceable with the audio system of a vehicle
KR200285410Y1 (en) Navigation System and Hands Free for Automobil
KR200406586Y1 (en) Navigation system with handy terminal for vehicle
KR200421642Y1 (en) Navigation integrated vehicle video flexible panel cycle

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application