System Comprising a Navigation Device and an Electronic Device

Abstract

A system is disclosed including an electronic device with an analog output which is connectable to an analog input amplifier of a vehicle. In at least one embodiment, the system includes a wireless standard first transceiver which can convert and send digital audio signals using digital audio streaming system to an analog audio output; and a navigation device with a wireless standard second transceiver which can send together audio and voice instructions corresponding to a current navigation as digital audio signal using digital audio streaming.

1 . A system, comprising:
 an electronic device comprising an analog output connectable to an analog input of an audio amplifier of a vehicle; a first transceiver operable to transmit using a wireless standard; said electronic device being operable to convert digital audio signals using digital audio streaming system into an analog audio signal and to send said audio signal to said analog output; and   a navigation device comprising a second transceiver operable to transmit using said wireless standard; said navigation device being operable to send together audio and voice instructions corresponding to a current navigation as digital audio signals using said digital audio streaming system to said electronic device.   
     
     
         2 . A system according to  claim 1 , wherein said wireless standard is Bluetooth, wherein said digital audio streaming system is an Advanced Audio Distribution Profile (A2DP) of Bluetooth, and wherein said first transceiver and said second transceiver are Bluetooth-transceiver. 
     
     
         3 . A system according to  claim 2 , wherein a digital electronic signal transmission uses Serial Port Profile (SPP) of Bluetooth or L2CAP encapsulation. 
     
     
         4 . A system according to  claim 1 , wherein said electronic device comprises at least one of an input and an output compatible with protocols used to communicate with an electronic equipment of said vehicle, and wherein said electronic device is operable to convert a signal from said navigation device into a form supported by said electronic equipment of said vehicle. 
     
     
         5 . A system according to  claim 1 , wherein said electronic device comprises at least one of an input and an output compatible with protocols used to communicate with an electronic equipment of said vehicle, and wherein said electronic device is operable to convert a signal from said electronic equipment of said vehicle into a form supported by said navigation device. 
     
     
         6 . A system according to  claim 1 , wherein said navigation device is operable to send, receive and interpret signals used to communicate with an electronic equipment of said vehicle, converted by said electronic device. 
     
     
         7 . A system according to  claim 1 , wherein said electronic device is operable to send a muting signal to a muting output connectable to a muting input of the audio amplifier of the vehicle and to send said voice instructions as analog audio signal to the audio amplifier of the vehicle. 
     
     
         8 . A system according to  claim 1 , wherein said electronic device comprises a signal input connectable to an interface of a vehicle's electronic; wherein said electronic device is operable to convert a signal from said signal input into a text information and to send said text using said first transceiver; and wherein said navigation device is operable to receive said text information using said second transceiver and to convert said text information into a command to control a function of said navigation device. 
     
     
         9 . A system according to  claim 1 , wherein said navigation device is operable to connect to a mobile phone using said second transceiver; wherein said navigation device is operable to transmit a phone call signal received from the mobile phone to said electronic device; and wherein said navigation device is operable to switch from said digital audio streaming system to a Hands Free Profile (HFP). 
     
     
         10 . A system according to  claim 1 , wherein said navigation device is operable to connect to a mobile phone using said second transceiver; wherein said navigation device is operable to receive a phone call signal from the mobile phone; and wherein said navigation device is operable to mix said phone call signal and said digital audio signal to a mixed signal and to send said mixed signal to said electronic device. 
     
     
         11 . A system according to  claim 10 , wherein said mixed signal is at least one of said digital audio streaming system, said phone call, another voice signal and Hands Free Profile (HFP). 
     
     
         12 . A system according to  claim 1 , wherein at least one of said electronic device and said navigation device is operable to cancel an echo signal received from a microphone caused by a phone call signal. 
     
     
         13 . A system according to  claim 1 , wherein at least one of said electronic device and said navigation device further comprises at least one microphone; and wherein whereas at least one of said electronic device and said navigation device is operable to transmit a microphone signal using at least one of said first and second transceivers. 
     
     
         14 . A system according to  claim 1 , wherein said system comprises at least two microphones, and wherein at least one of said navigation device and electronic device is operable to process at least two signals from said at least to microphones using echo cancellation.