CN201111915Y - Bluetooth vehicle-mounted MP3 player - Google Patents

Bluetooth vehicle-mounted MP3 player Download PDF

Info

Publication number
CN201111915Y
CN201111915Y CNU2007201778260U CN200720177826U CN201111915Y CN 201111915 Y CN201111915 Y CN 201111915Y CN U2007201778260 U CNU2007201778260 U CN U2007201778260U CN 200720177826 U CN200720177826 U CN 200720177826U CN 201111915 Y CN201111915 Y CN 201111915Y
Authority
CN
China
Prior art keywords
bluetooth
module
bluetooth function
function module
main control
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CNU2007201778260U
Other languages
Chinese (zh)
Inventor
陈朝凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUJIAN QIYI ELECTRONIC TECHNOLOGY Co Ltd
Original Assignee
FUJIAN QIYI ELECTRONIC TECHNOLOGY Co Ltd
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 FUJIAN QIYI ELECTRONIC TECHNOLOGY Co Ltd filed Critical FUJIAN QIYI ELECTRONIC TECHNOLOGY Co Ltd
Priority to CNU2007201778260U priority Critical patent/CN201111915Y/en
Application granted granted Critical
Publication of CN201111915Y publication Critical patent/CN201111915Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model relates to an audio player, in particular to a Bluetooth car-mount MP3 with the combination of a Bluetooth hand-free phone and a car-mount MP3, and provided with a built-in microphone and a built-in horn. The audio player consists of a main control module, an MP3 functional module, a Bluetooth functional module and an FM transmitting module; the main control module is connected with the FM transmitting module by an electronic circuit; two circuits of the Bluetooth functional module are connected to an electronic monopole double throw switch, and another two circuits of the electronic monopole double throw switch are connected with a built-in horn 10 by a power amplifier 9; a single power 11 is connected with the MP3 functional module 2 and the FM transmitting module 4, and a main power 12 is connected with the Bluetooth functional module 3; a built-in horn 19 is connected with the Bluetooth functional module 3. The Bluetooth car-mount MP3 of the utility model is the combination of a Bluetooth hand-free phone and a car-mount MP3, thus users can answer telephone safely in driving, and since the FM transmitting module can transmit frequency modulated signal to a car audio by an aerial, the inner sound resources of a car can be fully utilized.

Description

Blue tooth vehicular MP3 player
Technical field
The utility model relates to a kind of audio player, and particularly a kind of bluetooth handsfree combines, has the blue tooth vehicular MP3 of built-in microphone and built-in loudspeaker with vehicle mounted MP 3.
Background technology
The MP3 audio player is small and exquisite with its volume, the characteristics of perfect in shape and function have obtained using widely.But existing MP3 audio player only can displaying audio file, and people can only wear earphone and come music appreciating in the process of driving, when in startup procedure, inserting if any phone, need earlier earphone to be removed, answer with mobile phone again, be easy to cause the danger of driving like this.In addition, existing MP3 audio player can't utilize the stereo set in the car.
The utility model content
Technical problem to be solved in the utility model provides a kind of MP3 of collection voice playing, the multi-functional blue tooth vehicular MP3 player of hands-free, the vehicle-mounted broadcast of Bluetooth of mobile phone.
For solving the problems of the technologies described above, the utility model is realized as follows: blue tooth vehicular MP3 player described in the utility model is made up of main control module, MP3 functional module, Bluetooth function module, FM transmitter module; Main control module is connected with the FM transmitter module by electronic circuit, is used to set the transmission frequency of FM transmitter module; Main control module is connected with display screen by electronic circuit, and display screen can show the information of the frequency that sets and volume, institute's played songs; Main control module is connected with EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM) by electronic circuit, and EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM) is used for frequency memory and stores audio data; Main control module by electronic circuit be connected to the Bluetooth function module after the primary power control circuit is connected, the Bluetooth function module has two-way to be connected on the electronics single-pole double-throw switch (SPDT), the MP3 functional module is connected with the FM transmitter module by two electronic circuits, the FM transmitter module converts the MP3 sound signal to frequency modulation (FM) signal, the electronics single-pole double-throw switch (SPDT) is drawn two circuits, two circuits that are connected the FM transmitter module with the MP3 functional module connect respectively, main control module has a circuit to be connected with the Bluetooth function module, be used for the monitoring of bluetooth talking state, when phone inserts, the electronics single-pole double-throw switch (SPDT) cuts off the MP3 sound signal, connect the bluetooth telephone signal, behind end of conversation, the electronics single-pole double-throw switch (SPDT) is connected the MP3 sound signal again, recovers the MP3 voice playing; The electronics single-pole double-throw switch (SPDT) has two link tester overpower amplifiers to be connected with built-in loudspeaker in addition, and behind the interruption FM frequency modulation, sound signal can directly be play by built-in loudspeaker; Power supply is connected with the FM transmitter module with the MP3 functional module separately, and primary power is connected with the Bluetooth function module; Built-in miaow is connected with the Bluetooth function module, is used to pick up voice signal and sends the Bluetooth function module to; Key circuit is connected with main control module, MP3 functional module and Bluetooth function module respectively; Indicator of the power supply status (LED1) is connected with primary power and Bluetooth function module, MP3 broadcast state pilot lamp (LED2) is connected with MP3 functional module and Bluetooth function module, bluetooth working station indicator (LED3) is connected with the Bluetooth function module, and indicator of the power supply status (LED4) is connected with the electronics single-pole double-throw switch (SPDT) respectively with built-in loudspeaker pilot lamp (LED5) separately.
Described key circuit is provided with seven buttons, they be main power switch, FM+, FM-, last one head/volume-, next/volume+, MP3 broadcast/time-out/stop key, bluetooth key; Main power switch, FM+, FM-are connected with main control module, and main power switch is used for controlling the power supply of main control module and Bluetooth function module, and FM+, FM-are used for increasing and reducing the FM frequency; Last one head/volume-, next/volume+be connected with the Bluetooth function module with MP 3 functional modules, in playing the MP audio process, short in being a last head, next, long by being to regulate the MP3 volume, in the bluetooth communication process, short in being to regulate bluetooth In Call size, long by being adjusting microphone gain size; MP3 broadcast/time-out/stop key is connected with the Bluetooth function module, is used for controlling the broadcast of MP3, and is long by for stopping; The bluetooth key is connected with the Bluetooth function module, is used for controlling the operation of bluetooth.
Described Bluetooth function module connects the outside handset port circuit of non-bluetooth, is used for realizing the audio frequency output and the microphone input of non-bluetooth cellular phone, realizes hands-free operation, and the Bluetooth function module is provided with the echo module that disappears.
Described FM transmitter module is connected with antenna, and antenna is sent to automobile audio with frequency modulation (FM) signal, realizes the broadcast of audio stereo by automobile audio.
Described display screen is four eight sections charactrons.
Described power supply has chargeable lithium cell, possesses charging circuit and charge port.
Good effect of the present utility model is: the utility model is the aggregate of bluetooth handsfree and vehicle mounted MP 3, it is complete wireless transmission equipment, need not any repacking and any circuit processing or any processing is set, with hanging with usefulness, in any car of being furnished with FM receiver, all can use, very convenient; Its Bluetooth function module can realize basic bluetooth handsfree function, thereby the user is received calls when driving safely; The FM transmitter module can be realized the conversion of sound signal, by antenna FM signal is sent to automobile audio, and the user needn't accompany and wear earphone and just enjoy stereo music, makes full use of sound equipment resource in the car.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the circuit block diagram of preferred implementation of the present utility model
Fig. 2 is the circuit theory diagrams of preferred implementation of the present utility model
Fig. 3 is main control module (1) and subsidiary component circuit diagram thereof
Fig. 4 is MP3 functional module (2) and subsidiary component circuit diagram thereof
Fig. 5 is Bluetooth function module (3) and subsidiary component circuit diagram thereof
Fig. 6 is FM transmitter module (4) and subsidiary component circuit diagram thereof
Fig. 7 is display screen (5) and subsidiary component circuit diagram thereof
Fig. 8 is primary power control circuit (7) and subsidiary component circuit diagram thereof
Fig. 9 is electronics single-pole double-throw switch (SPDT) (8) and subsidiary component circuit diagram thereof
Figure 10 is power amplifier (9) and subsidiary component circuit diagram thereof
Figure 11 is independent power supply (11) and subsidiary component circuit diagram thereof
Figure 12 is primary power (12) and subsidiary component circuit diagram thereof
Figure 13 is key circuit (a 13) circuit diagram
Figure 14 is antenna (21) and subsidiary component circuit diagram thereof
Among the figure, 1 main control module 2MP3 functional module, 3 Bluetooth function modules
4FM transmitter module 5 display screens 6 EEPROM (Electrically Erasable Programmable Read Only Memo)
7 primary power control circuits, 8 electronics single-pole double-throw switch (SPDT)s, 9 power amplifiers
10 built-in loudspeaker 11 independent power supply 12 primary powers
13 key circuits, 14 indicators of the power supply status
15MP3 broadcast state pilot lamp 16 bluetooth working station indicators
17 independent indicator of the power supply status 18 built-in loudspeaker pilot lamp
The outside handset port circuit of 19 built-in miaow 20 non-bluetooths
21 antennas
Embodiment
As shown in Figure 1, blue tooth vehicular MP3 player described in the utility model is made up of main control module 1, MP3 functional module 2, Bluetooth function module 3, FM transmitter module 4; Main control module 1 is connected with FM transmitter module 4 by electronic circuit, is used to set the transmission frequency of FM transmitter module 4; Main control module 1 is connected with display screen 5 by electronic circuit, and display screen 5 can show the information of the frequency that sets and volume, institute's played songs; Main control module 1 is connected with EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM) 6 by electronic circuit, and EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM) 6 is used for frequency memory and stores audio data; Main control module 1 by electronic circuit be connected to Bluetooth function module 3 after primary power control circuit 7 is connected, Bluetooth function module 3 has two-way to be connected on the electronics single-pole double-throw switch (SPDT) 8, MP3 functional module 2 is connected with FM transmitter module 4 by two electronic circuits, FM transmitter module 4 converts the MP3 sound signal to frequency modulation (FM) signal, electronics single-pole double-throw switch (SPDT) 8 is drawn two circuits, two circuits that are connected FM transmitter module 4 with MP3 functional module 2 connect respectively, main control module 1 has a circuit to be connected with Bluetooth function module 3, be used for the monitoring of bluetooth talking state, when phone inserts, electronics single-pole double-throw switch (SPDT) 8 cuts off the MP3 sound signal, connect the bluetooth telephone signal, behind end of conversation, electronics single-pole double-throw switch (SPDT) 8 is connected the MP3 sound signal again, recovers the MP3 voice playing; Electronics single-pole double-throw switch (SPDT) 8 has two link tester overpower amplifiers 9 to be connected with built-in loudspeaker 10 in addition, and behind the interruption FM frequency modulation, sound signal can directly be play by built-in loudspeaker 10; Power supply 11 is connected with FM transmitter module 4 with MP3 functional module 2 separately, and primary power 12 is connected with Bluetooth function module 3; Built-in miaow 19 is connected with Bluetooth function module 3, is used to pick up voice signal and sends Bluetooth function module 3 to; Key circuit 13 is connected with main control module 1, MP3 functional module 2 and Bluetooth function module 3 respectively; Indicator of the power supply status (LED1) 14 is connected with primary power 12 and Bluetooth function module 3, MP3 broadcast state pilot lamp (LED2) 15 is connected with MP3 functional module 2 and Bluetooth function module 3, bluetooth working station indicator (LED3) 16 is connected with Bluetooth function module 3, indicator of the power supply status (LED4) 17 is connected with electronics single-pole double-throw switch (SPDT) 8 respectively with built-in loudspeaker pilot lamp (LED5) 18 separately, shows the duty of independent power supply 11 and built-in loudspeaker 10 respectively.
Described key circuit 13 is provided with seven buttons, they be main power switch, FM+, FM-, last one head/volume-, next/volume+, MP3 broadcast/time-out/stop key, bluetooth key; Main power switch, FM+, FM-are connected with main control module, and main power switch is used for controlling the power supply of main control module and Bluetooth function module, and FM+, FM-are used for increasing and reducing the FM frequency; Last one head/volume-, next/volume+be connected with the Bluetooth function module with the MP3 functional module, in playing the MP audio process, short in being a last head, next, long by being to regulate the MP3 volume, in the bluetooth communication process, short in being to regulate bluetooth In Call size, long by being adjusting microphone gain size; MP3 broadcast/time-out/stop key is connected with the Bluetooth function module, is used for controlling the broadcast of MP3, and is long by for stopping; The bluetooth key is connected with the Bluetooth function module, is used for controlling the operation of bluetooth.
Described Bluetooth function module 3 connects the outside handset port circuit 20 of non-bluetooth, is used for realizing the audio frequency output and the microphone input of non-bluetooth cellular phone, realizes hands-free operation, and Bluetooth function module 3 is provided with the echo module that disappears.
Described FM transmitter module 4 is connected with antenna 21, and antenna is sent to automobile audio with frequency modulation (FM) signal, realizes the broadcast of audio stereo by automobile audio.
Described display screen 5 is four eight sections charactrons.
Described primary power 12 has chargeable lithium cell, possesses charging circuit and charge port.
The circuit theory diagrams of preferred implementation of the present utility model are seen Fig. 2.
Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 are each module partial circuit diagram of the utility model, and the pin that each element numbers is identical among the figure interconnects.
The utility model is one with bluetooth handsfree and the combination of vehicle mounted MP 3 player.Bluetooth module can be realized basic bluetooth handsfree function, and Bluetooth audio frequency can export built-in loudspeaker to by power amplifier, if FM is opened, then is sent to automobile audio by FM, and closes built-in loudspeaker.The MP3 functional module can be searched for the MP3 song in SD card or the USB flash disk and be play, and its stereo music is sent to automobile audio by FM.The frequency of FM functional module can be provided with adjusting by main control module, and frequency values can be shown by four eight sections light-emitting diode displays, if having telephone access in the voice playing process, then music will be suspended, FM will transmit Bluetooth audio frequency, and behind end of conversation, audio frequency will continue to play automatically.Specific operation process is as follows:
1) start: the long power key of pressing was then started shooting in 2 seconds, complete machine powering, built-in loudspeaker cut out after sending the prompt tone that powers on of bluetooth, display shows that " On " shows the frequency of FM after 2 seconds, extinguish second automatically 10 backs, as appreciating MP 3 music, then open automobile audio frequency modulation and be transferred to corresponding frequency, insert the storage card and get final product playing back music.
2) shutdown: during open state, length was pressed power key 2 seconds, and display shows " OFF " 1 second, then shutdown.
3) FM transmitter module and MP3 functional module power supply control: the power supply of FM transmitter module and MP3 functional module can be by bluetooth module and master control module controls, and promptly as long as any one opening power is controlled, FM transmitter module and MP3 functional module power supply will be opened; After the start, the frequency of FM will be shown 10 seconds, FM transmitter module and MP3 functional module power supply also will be opened when showing, and (LED4 is bright, LED5 goes out), if do not have during this period FM frequency advance an adjustment, display will show "----" 1 second, (LED4 goes out to close FM transmitter module and MP3 functional module power supply control pin then, LED5 is bright) with power saving, if have bluetooth conversation to take place during this period then powered-down after will waiting until end of conversation, weak point is pressed once " power supply " key, can close the power supply of FM transmitter module and MP3 functional module power supply immediately; If short again FM transmitter module and MP3 functional module power supply will be opened again by FM+ or FM-, frequency is shown again, and enters above cycle criterion; After the start, MP3 can not play automatically, short in a play button, then also can open the control of FM transmitter module and MP3 functional module power supply, delay time after 0.5 second, if do not detect MP3 play at 60 seconds, or do not have bluetooth conversation and take place, then close FM transmitter module and MP3 functional module power supply, if be suspended the back or stop afterwards not detect the MP3 broadcast state during voice playing at 90 seconds, or do not have bluetooth conversation generation, then also close FM transmitter module and MP3 functional module power supply.
4) select frequency: short then frequency increases or reduces 0.1MHz successively by FM+ or FM-, and long FM+ or the FM-of pressing be above 2 seconds, then the frequency fast lifting.Can watch the display screen displayed value, lift FM+ or FM-then stops, frequency extinguishes automatically with power saving after showing 10 seconds, shortly will activate demonstration once more by FM+ or FM-, and the setting value of frequency should be able to be remembered, promptly again after the start, will recover last setting value.
5) play/suspend/stop: after powering on, MP3 can not play automatically, has only by play button just can begin to play, and under the bluetooth talking state, this key is with conductively-closed.Time-out/shut-down operation is only just worked when playing detecting MP 3 broadcast state positions, and is short in for suspending, long by for stopping.
6) song is selected: when playing MP3, shortly select a last song or next bent by once going up first or next key.
7) broadcast sound volume is regulated: when playing MP3, long by volume+or volume-key surpass 2 seconds and can increase or reduce volume.
8) Bluetooth pairing be connected: open state not with holding state that bluetooth cellular phone is connected under (LED3 dodged 5 seconds at interval slowly), and MP3 is not broadcast state (LED2 goes out), press bluetooth key and volume-key simultaneously above 3 seconds, hands-freely can enter the Bluetooth pairing state, alternately flicker of this moment LED1 and LED3 (0.5 second at interval), take out bluetooth cellular phone search bluetooth equipment, after finding BTLinx, key in security code " 0000 " and finish Bluetooth pairing, hands-freely get back under the holding state automatically, be connected with the BTLinx bluetooth from bluetooth cellular phone foundation, at this moment LED3 Chang Liang.When not finishing pairing in 90 seconds, hands-free returning to automatically under the standby holding state.Bluetooth handsfree can be remembered the bluetooth cellular phone of maximum 4 pairings, and the hands-free meeting of at every turn starting shooting is searched for paired devices automatically and attempted to set up with it bluetooth and connects (about 14 seconds).The bluetooth cellular phone priority that connects is the highest recently.After the 5th bluetooth cellular phone enters, the mobile phone that removes the most previous connection will be played.
9) search for paired device automatically and be connected: open state not with holding state that bluetooth cellular phone is connected under (LED3 dodged 5 seconds at interval slowly), short in the bluetooth key, hands-free meeting is searched for paired devices automatically and is attempted to set up with it bluetooth and connects (about 14 seconds).
10) receive calls: short during incoming call by the bluetooth key.In the bluetooth conversation, also should detect MP3 broadcast state position,, send the MP3 halt signal if there is music to take place.
11) hanging wire: short during conversation by the bluetooth key.
12) call transfer: the duration of call was by 2 seconds bluetooth keys, and conversation will go back to mobile phone.If bluetooth connects disconnected, length will go back to hands-free by bluetooth key conversation in 2 seconds again.
13) refusal incoming call: when the cell phone incoming call duration is sent a telegram here by 2 seconds refusals.
14) phonetic dialing: under the bluetooth connection status, often pressed the bluetooth key 2 seconds, with the voice dial-up function that Activates Phone, behind the prompt tone of " toot ", say the voice label that is pre-stored in the mobile phone and realize phonetic dialing (needing prediction to determine whether bluetooth cellular phone supports this function).Cancel the phonetic dialing weak point once by the bluetooth key.
15) the mobile phone final number redials: short in bluetooth key twice under the bluetooth connection status, will transfer to the final number of mobile phone.Need cancellation short once by the bluetooth key.
16) In Call is regulated: during conversation short by volume+or volume-, can increase or reduce volume.

Claims (6)

1, a kind of blue tooth vehicular MP3 player is characterized in that: it is made up of main control module (1), MP3 functional module (2) Bluetooth function module (3), FM transmitter module (4); Main control module (1) is connected with FM transmitter module (4) by electronic circuit, is used to set the transmission frequency of FM transmitter module (4); Main control module (1) is connected with display screen (5) by electronic circuit, and display screen (5) can show the information of the frequency that sets and volume, institute's played songs; Main control module (1) is connected with EEPROM (Electrically Erasable Programmable Read Only Memo) (6) by electronic circuit, and EEPROM (Electrically Erasable Programmable Read Only Memo) (6) is used for frequency memory and stores audio data; Main control module (1) by electronic circuit be connected to Bluetooth function module (3) after primary power control circuit (7) is connected, Bluetooth function module (3) has two-way to be connected on the electronics single-pole double-throw switch (SPDT) (8), MP3 functional module (2) is connected with FM transmitter module (4) by two electronic circuits, FM transmitter module (4) converts the MP3 sound signal to frequency modulation (FM) signal, electronics single-pole double-throw switch (SPDT) (8) is drawn two circuits, two circuits that are connected FM transmitter module (4) with MP3 functional module (2) connect respectively, main control module (1) has a circuit to be connected with Bluetooth function module (3), be used for the monitoring of bluetooth talking state, when phone inserts, electronics single-pole double-throw switch (SPDT) (8) cuts off MP 3 sound signals, connect the bluetooth telephone signal, behind end of conversation, electronics single-pole double-throw switch (SPDT) (8) is connected the MP3 sound signal again, recovers the MP3 voice playing; Electronics single-pole double-throw switch (SPDT) (8) has two link tester overpower amplifiers (9) to be connected with built-in loudspeaker (10) in addition, and behind the interruption FM frequency modulation, sound signal can directly be play by built-in loudspeaker (10); Power supply (11) is connected with FM transmitter module (4) with MP3 functional module (2) separately, and primary power (12) is connected with Bluetooth function module (3); Built-in miaow (19) is connected with Bluetooth function module (3), is used to pick up voice signal and sends Bluetooth function module (3) to; Key circuit (13) is connected with main control module (1), MP3 functional module (2) and Bluetooth function module (3) respectively; Indicator of the power supply status (LED1) is connected with primary power (12) and Bluetooth function module (3), MP3 broadcast state pilot lamp (LED2) is connected with MP3 functional module (2) and Bluetooth function module (3), bluetooth working station indicator (LED3) is connected with Bluetooth function module (3), indicator of the power supply status (LED4) is connected with electronics single-pole double-throw switch (SPDT) (8) respectively with built-in loudspeaker pilot lamp (LED5) separately, shows the duty of independent power supply (11) and built-in loudspeaker (10) respectively.
2, according to the described blue tooth vehicular MP3 of claim 1 player, it is characterized in that: described key circuit (13) is provided with seven buttons, they be main power switch, FM+, FM-, last one head/volume-, next/volume+, MP3 broadcast/time-out/stop key, bluetooth key; Main power switch, FM+, FM-are connected with main control module, and main power switch is used for controlling the power supply of main control module and Bluetooth function module, and FM+, FM-are used for increasing and reducing the FM frequency; Last one head/volume-, next/volume+be connected with the Bluetooth function module with the MP3 functional module, in playing the MP audio process, short in being a last head, next, long by being to regulate the MP3 volume, in the bluetooth communication process, short in being to regulate bluetooth In Call size, long by being adjusting microphone gain size; MP3 broadcast/time-out/stop key is connected with the Bluetooth function module, is used for controlling the broadcast of MP3, and is long by for stopping; The bluetooth key is connected with the Bluetooth function module, is used for controlling the operation of bluetooth.
3, according to the described blue tooth vehicular MP3 of claim 1 player, it is characterized in that: described Bluetooth function module (3) connects the outside handset port circuit (20) of non-bluetooth, be used for realizing the audio frequency output and the microphone input of non-bluetooth cellular phone, realize hands-free operation, Bluetooth function module (3) is provided with the echo module that disappears.
4, according to the described blue tooth vehicular MP3 of claim 1 player, it is characterized in that: described FM transmitter module (4) is connected with antenna (21), and antenna is sent to automobile audio with FM signal, realizes the broadcast of audio stereo by automobile audio.
5, according to the described blue tooth vehicular MP3 of claim 1 player, it is characterized in that: described display screen (5) is four eight sections charactrons.
6, according to the described blue tooth vehicular MP3 of claim 1 player, it is characterized in that: described primary power (12) has chargeable lithium cell, possesses charging circuit and charge port.
CNU2007201778260U 2007-10-15 2007-10-15 Bluetooth vehicle-mounted MP3 player Expired - Fee Related CN201111915Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201778260U CN201111915Y (en) 2007-10-15 2007-10-15 Bluetooth vehicle-mounted MP3 player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201778260U CN201111915Y (en) 2007-10-15 2007-10-15 Bluetooth vehicle-mounted MP3 player

Publications (1)

Publication Number Publication Date
CN201111915Y true CN201111915Y (en) 2008-09-10

Family

ID=39963658

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201778260U Expired - Fee Related CN201111915Y (en) 2007-10-15 2007-10-15 Bluetooth vehicle-mounted MP3 player

Country Status (1)

Country Link
CN (1) CN201111915Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102930890A (en) * 2012-11-23 2013-02-13 镇江三鑫科技信息有限公司 Wireless audio playing system
CN105228094A (en) * 2015-10-14 2016-01-06 深圳市元征科技股份有限公司 A kind of audio frequency transmission method and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102930890A (en) * 2012-11-23 2013-02-13 镇江三鑫科技信息有限公司 Wireless audio playing system
CN105228094A (en) * 2015-10-14 2016-01-06 深圳市元征科技股份有限公司 A kind of audio frequency transmission method and device

Similar Documents

Publication Publication Date Title
CN102857272B (en) Short-range wireless communication apparatus
CN202135278U (en) Multifunctional bluetooth sound box
US20080226112A1 (en) Structure of cordless earphones
CN201066842Y (en) Onboard Bluetooth handfree device
CN201039162Y (en) Bluetooth-modulation signal converter
CN201188610Y (en) Vehicle-mounted bluetooth telephone
CN203445874U (en) Bluetooth interphone
CN103200483A (en) Bluetooth headset of capacitance distance sensing switch control and vehicle provided with headset
CN201937583U (en) Vehicle-mounted Bluetooth and audio system
CN102068062B (en) Bluetooth gloves
CN201178407Y (en) Portable terminal having radio function
CN101119399B (en) Blue tooth loudspeaker
CN103593064A (en) Stylus
CN201111915Y (en) Bluetooth vehicle-mounted MP3 player
CN101850784A (en) Bluetooth steering wheel
CN202178792U (en) Bluetooth handset separator
CN201167316Y (en) One-key type full-automatic speech communication device
KR100727292B1 (en) Wireless headset which can use exterior speaker as speaker phone
CN202508032U (en) Vehicle-mounted bluetooth hands-free system
CN201142704Y (en) Hands-free audio device of vehicle mounted multimedia
CN203872165U (en) Interphone achieving mobile phone wireless communication
CN201054586Y (en) Improved radio earphone structure
CN202634658U (en) Multifunctional bluetooth earphone
CN104602367A (en) Vehicle earphone radio frequency wireless system
KR200397845Y1 (en) Wireless audio signal transferring apparatus

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee