CN203446722U - Intelligent bracelet - Google Patents

Intelligent bracelet Download PDF

Info

Publication number
CN203446722U
CN203446722U CN201320551142.8U CN201320551142U CN203446722U CN 203446722 U CN203446722 U CN 203446722U CN 201320551142 U CN201320551142 U CN 201320551142U CN 203446722 U CN203446722 U CN 203446722U
Authority
CN
China
Prior art keywords
intelligent bracelet
module
cpu
wireless communication
audio
Prior art date
Application number
CN201320551142.8U
Other languages
Chinese (zh)
Inventor
高强
戚建成
郭衡江
牛锡亮
Original Assignee
青岛歌尔声学科技有限公司
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 青岛歌尔声学科技有限公司 filed Critical 青岛歌尔声学科技有限公司
Priority to CN201320551142.8U priority Critical patent/CN203446722U/en
Application granted granted Critical
Publication of CN203446722U publication Critical patent/CN203446722U/en

Links

Abstract

The utility model discloses an intelligent bracelet which comprises a sensor module, an audio module, a power module, a central processing unit and a wireless communication module, wherein the sensor module is electrically connected with the central processing unit and is used for detecting information of an intelligent bracelet wearer and transmitting the information to the central processing unit; the audio module comprises a loudspeaker, a microphone and a digital signal processor (DSP) processing chip and is used for encoding and decoding an audio signal; the central processing unit comprises a master control micro control unit (MCU) and is used for receiving and storing the information acquired by the sensor module and coordinating the audio module and the wireless communication module to work; the wireless communication module is used for realizing wireless communication connection between the intelligent bracelet of a user and a smart phone and realizing interactive transmission of an audio signal between the intelligent bracelet and the smart phone. According to the intelligent bracelet, wireless synchronous connection between the intelligent bracelet and the smart phone can be realized, and the intelligent bracelet has the function of answering the telephone.

Description

Intelligence bracelet

Technical field

The utility model relates to electronic technology device technology field, specifically, relates to a kind of intelligent bracelet.

Background technology

Bracelet is used very general, former bracelet as a kind of ornament, and general utility functions are single, can only play the effect of decoration.And along with scientific and technical development, people have added some intelligent bracelets with intelligent functions such as information storage, intelligent remindings gradually consciously on bracelet, make bracelet both can be used as a kind of ornament, the intelligent function that also can be convenient for people to some.

But on market existing intelligent bracelet can not realize and mobile phone between wireless connections, and the intelligent bracelet on market does not have the function of answering the call and taking pictures yet.And in some place, user's inconvenience is directly utilized mobile phone to complete and made a phone call or camera function, be necessary these functional additive techniques to bracelet.

Utility model content

Technical problem to be solved in the utility model is: provide a kind of and can realize the intelligent bracelet that wireless synchronization is connected, has the function of receiving calls with smart mobile phone.

For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of intelligent bracelet, comprising:

Sensor assembly, described sensor assembly is electrically connected to the CPU of the following stated, for detection of intelligent bracelet wearer's information and send it to described CPU;

Audio-frequency module, described audio-frequency module comprises loudspeaker, microphone and the DSP process chip being electrically connected to described loudspeaker and described microphone respectively, described audio-frequency module and described CPU and following wireless communication module are electrically connected to, described DSP process chip is used for coding audio signal and decoding, and the audio signal after processing is sent to described loudspeaker and described wireless communication module, described audio signal comprises the voice data that transmits from described wireless communication module and the voice data of described microphone;

Power module, described power module comprises the first data/address bus and battery, for providing power supply by described the first data/address bus;

CPU, described CPU comprises main control MCU, the information gathering for receiving and store described sensor assembly, and coordinate described audio-frequency module and described wireless communication module carries out work;

Wireless communication module, described wireless communication module is used for making radio communication between intelligent bracelet and smart mobile phone to connect, the information of described intelligent bracelet is sent to described smart mobile phone, and the control information of described smart mobile phone is sent to described intelligent bracelet, realize the mutual transmission of audio signal between described intelligent bracelet and described smart mobile phone.

Preferably, also comprise input block, described input block is electrically connected to described CPU by the second data/address bus; Described CPU is for detection of described input block state.

Preferably, also comprise output unit, described output unit comprises indicator lamp and/or vibrating motor, is used to indicate or reminds to intelligent bracelet wearer the state of described intelligent bracelet; Described CPU is for controlling indicator lamp indication and/or the vibrating motor vibration of described output unit.

Preferably, described sensor assembly comprises camera module and the gravity sensing acceleration module being electrically connected to described CPU respectively, wherein, described camera module is for taking image around of intelligent bracelet wearer and sending it to described CPU;

Described gravity sensing acceleration module is counted for the step number that intelligent bracelet wearer is advanced, and sends it to described CPU.

Preferably, described input block comprises load button and NFC module.

Preferably, described load button comprises volume key, the button of taking pictures, button and machine open/close button receive calls.

Preferably, described wireless communication module comprises bluetooth module.

Preferably, described power module is provided with USB interface, and described USB interface is for connecting power supply to described power module charging and/or for obtaining the data-interface of described intelligent bracelet; Whether described CPU is for detection of the electric weight of described power module and charged, and/or controls the input and output of described intelligent bracelet data.

Preferably, described battery is rechargeable battery.

Preferably, described main control MCU is electrically connected with memory.

Adopted after technique scheme, the beneficial effects of the utility model are:

1. due to intelligent bracelet of the present utility model, comprise sensor assembly, wireless communication module, audio-frequency module, power module and CPU, sensor assembly is electrically connected to CPU, for detection of intelligent bracelet wearer's information and send it to described CPU; Wireless communication module, for radio communication between user's intelligent bracelet and smart mobile phone is connected, is sent to smart mobile phone by the information of intelligent bracelet, and the control information of smart mobile phone is sent to intelligent bracelet; Audio-frequency module comprises loudspeaker and microphone, and audio-frequency module is electrically connected to CPU and wireless communication module, after Audio Signal Processing is completed and send it to loudspeaker and wireless transport module; CPU comprises main control MCU, memory, for receiving and store described sensor die block message, coordinate described audio-frequency module, wireless module, charging module, and it is controlled.Therefore, user is when wearing intelligent bracelet of the present utility model, while being inconvenient to use mobile phone to receive calls, can user's smart mobile phone be connected with intelligent bracelet radio communication by wireless communication module, the audio signal of user's smart mobile phone is sent to the audio-frequency module of intelligent bracelet, through processing, be sent to loudspeaker, in like manner there is the audio signal of microphone input through audio-frequency module, to be sent to wireless processing module equally, finally be transferred on mobile phone, , the function that realization receives calls, CPU can be according to the volume button state in input block, control audio-frequency module and realize the adjusting of volume.

2. because described sensor assembly comprises camera module and the gravity sensing acceleration module being electrically connected to described CPU respectively, wherein, described camera module is for taking image around of intelligent bracelet wearer and sending it to described CPU; Described CPU is counted and sent it to described gravity sensing acceleration module for the step number that intelligent bracelet wearer is advanced.Therefore, intelligent bracelet of the present utility model, can be detected the step number that intelligent bracelet wearer advances and be sent it to described CPU by gravity sensing acceleration module, so that monitoring intelligent bracelet wearer's moving situation.In addition, intelligent bracelet of the present utility model, adds camera module in intelligent bracelet, can make intelligent bracelet wearer take whenever and wherever possible, for example, while running into ruffian, can take in time offender's appearance, for solve a case later, leaves evidence.

3. due to intelligent bracelet of the present utility model, go back involving vibrations motor, described vibrating motor is electrically connected to described CPU, for reminding user.When therefore intelligent bracelet wearer can remind this setting in motion in time by vibrating motor, and the situation such as moved, and makes intelligent bracelet wearer can understand timely the moving situation of oneself.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail:

Fig. 1 is the structural principle block diagram of intelligent bracelet of the present utility model;

Fig. 2 is the connection diagram of intelligent bracelet of the present utility model and smart mobile phone;

In figure: 1, CPU; 11, main control MCU; 12, memory; 2, sensor assembly; 21, camera module; 22, gravity sensing acceleration module; 3, wireless communication module; 31, the 3rd data/address bus; 32, bluetooth module; 4, audio-frequency module; 41, loudspeaker; 42, microphone; 43, DSP process chip; 5, power module; 51, the first data/address bus; 52, battery; 6, input block; 61, load button; 62, NFC module; 63, the second data/address bus; 7, output unit; 71, vibrating motor; 72, indicator lamp; 8, smart mobile phone; 9, intelligent bracelet.

The specific embodiment

Fig. 1 is the structural principle block diagram of intelligent bracelet of the present utility model; Fig. 2 is the connection diagram of intelligent bracelet of the present utility model and smart mobile phone.See figures.1.and.2, intelligent bracelet of the present utility model, comprises sensor assembly 2, wireless communication module 3, audio-frequency module 4, power module 5 and CPU 1.

Wherein, sensor assembly 2 is electrically connected to CPU 1, for detection of intelligent bracelet wearer's information, is mainly the step number of intelligent bracelet wearer walking and the image of shooting, and sends it to CPU 1; CPU 1 comprises main control MCU 11, and main control MCU 11 is electrically connected with memory 12, for receiving the information gathering with storage sensor module 2, and coordinates audio-frequency module 4, wireless communication module 3, input block 6 and output unit 7 etc. and carries out work.

In the present embodiment, sensor assembly 2 comprises camera module 21 and the gravity sensing acceleration module 22 being electrically connected to CPU 1 respectively, camera module 21 is electrically connected to CPU 1, for taking image around of intelligent bracelet wearer and sending it to CPU 1; Gravity sensing acceleration module 22 is electrically connected to CPU 1, for the step number that intelligent bracelet wearer is advanced, counts and send it to CPU 1.Can be with the whipping of right arm in the process that user is walking, body forward moves, these actions can be captured by gravity sensing acceleration module 22, gravity sensing acceleration module 22 can be exported corresponding acceleration signal (signal of acceleration becomes the form of a fluctuation), then can deliver to main control MCU 11 ends, main control MCU 11 can be to the conversion that is correspondingly processed of the data of gravity induction acceleration module 22, and then we just can obtain the information of step number.MCU full name Micro Control Unit, Chinese is micro-control unit, claims again one chip microcomputer or single-chip microcomputer.

In the present embodiment, wireless communication module 3 comprises the 3rd data/address bus 31 and bluetooth module 32, and bluetooth module 32 adopts bluetooth low energy consumption BLE module; Wireless communication module 3 is for connecting radio communication between user's intelligent bracelet 9 and smart mobile phone 8, the information of intelligent bracelet 9 is sent to smart mobile phone 8, and the control information of smart mobile phone 8 is sent to intelligent bracelet 9, for the mutual transmission of audio signal between intelligent bracelet 9 and smart mobile phone 8.

Bluetooth low energy consumption BLE (Bluetooth Low Energy) technology is the robustness wireless technology of low cost, short distance, interoperable, and it utilizes many intelligent means to reduce to greatest extent power consumption.Bluetooth technology is a kind of short range wireless data and voice communication technology, has the characteristic of easy to use, the high and low cost of reliability, low-power consumption, and equipment volume is little, is easy to carry or mobile, with low cost.

Audio-frequency module 4 comprises loudspeaker 41, microphone 42 and the DSP process chip 43 being electrically connected to loudspeaker 41 and microphone 42 respectively, audio-frequency module 4 is electrically connected to CPU 1, DSP process chip 43 is for to coding audio signal and decoding, and the audio signal after processing is sent to loudspeaker 41 and wireless communication module 3, audio signal comprises the voice data that transmits from wireless communication module 3 and the voice data of microphone 42; Power module 5 comprises the first data/address bus 51 and battery 52, for power supply being provided to other modules by the first data/address bus 51.In the present embodiment, battery 52 is dry cell or rechargeable battery.Power module 5 is also provided with USB interface, USB interface is for connecting power supply to power module 5 chargings and/or for obtaining the data-interface of intelligent bracelet 9, be that USB interface is used as charging inlet, connect external power source so that power module 5 is charged, and/or as data-interface, be intelligent bracelet 9 inputoutput datas; Whether CPU 1 is for detection of the electric weight of power module 5 and charged, and/or controls the input and output of the data of intelligent bracelet 9.

The intelligent bracelet of the present embodiment, also comprise input block 6 and output unit 7, output unit 7 comprises indicator lamp 72 and/or vibrating motor 71, indicator lamp 72 and vibrating motor 71 are electrically connected to CPU 1, and CPU 1 is for controlling indicator lamp 72 indications of output unit 7 and/or allowing vibrating motor 71 vibrations.Indicator lamp 72 comprises red LED indicator lamp, green LED indicator lamp and blue led indicator lamp, when charging completes, green LED indicator lamp is lighted and is represented to have charged, and when electric weight is low, red LED indicator lamp is lighted, and a reminding user of vibrating motor 71 vibrations charges in time; When intelligent mobile telephone incoming call, red LED indicator lamp and green LED indicator lamp are lighted simultaneously, Vibration on Start-up motor 71 vibrations simultaneously; Blue led indicator lamp is used to indicate normal operation.Input block 6 comprises load button 61 and NFC module 62, and load button 61 and NFC module 62 are by the second data/address bus 63 and CPU 1 communication connection.CPU 1 is for detection of the state of input block 6, load button 61 comprises two volume keys, the button of taking pictures, receive calls button and a machine open/close button, and machine open/close button is that a multiplexing button can also be used as refusing to receive telephone button.And when intelligent bracelet 9 is during near smart mobile phone 8, NFC module 62 can notice CPU 1, whether CPU 1 detects and has been connected with smart mobile phone 8, when not connecting, at this moment will match with smart mobile phone 8, sets up wireless connections.NFC is the abbreviation of Near Field Communication, i.e. the short distance wireless communication technology.It is a kind of contactless identification and interconnection technique, can be at mobile device, consumer electronics product, PC and smart control Tool Room wireless near field communication.NFC provides a kind of solution of simple, touch, can allow consumer's simple, intuitive ground exchange message, access content and serve.NFC information is to transmit by the electromagnetic induction coupled modes of wireless frequency part in frequency spectrum, works in 13.56MHz frequency range, 10 centimetres of left and right of operating distance.NFC be a kind ofly provide easily, safety, the wireless connect technology of communication rapidly, there is the features such as near distance, energy consumption are low.NFC and existing contactless smart card technical compatibility, become the official standard that more and more leading firms support at present.

Intelligent bracelet of the present utility model, there is several functions, when user is wearing intelligent bracelet of the present utility model, while being inconvenient to use mobile phone to receive calls, can user's smart mobile phone 8 be connected with intelligent bracelet 9 radio communications by wireless communication module 3, the audio signal of user's smart mobile phone 8 is sent to the wireless communication module 3 in intelligent bracelet 9, be sent to again audio-frequency module 4, delivering to after treatment loudspeaker 41 sounds, the audio signal that microphone 42 in audio-frequency module 4 gathers is sent to mobile phone terminal by wireless communication module 3 after treatment, thereby realize the function receiving calls.CPU 1 can, according to the volume button state in input block 6, be controlled the adjusting that audio-frequency module 4 is realized volume.Intelligent bracelet of the present utility model, the step number that can advance by the intelligent bracelet wearer of gravity sensing acceleration module 22 detection also sends it to CPU 1, so that monitoring intelligent bracelet 9 wearers' moving situation.In addition, intelligent bracelet of the present utility model, adds camera module 21 in intelligent bracelet 9, can make intelligent bracelet wearer take whenever and wherever possible, for example, while running into ruffian, can take in time offender's appearance, for solve a case later, leaves evidence.When have, intelligent bracelet wearer can remind this setting in motion in time by vibrating motor 71 again, and the situation such as moved, and makes intelligent bracelet wearer can understand timely the moving situation of oneself.

The above is giving an example of the utility model preferred forms, and the part of wherein not addressing is in detail those of ordinary skills' common practise.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carrying out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.

Claims (10)

1. intelligent bracelet, is characterized in that, comprising:
Sensor assembly, described sensor assembly is electrically connected to the CPU of the following stated, for detection of intelligent bracelet wearer's information and send it to described CPU;
Audio-frequency module, described audio-frequency module comprises loudspeaker, microphone and the DSP process chip being electrically connected to described loudspeaker and described microphone respectively, described audio-frequency module and described CPU and following wireless communication module are electrically connected to, described DSP process chip is used for coding audio signal and decoding, and the audio signal after processing is sent to described loudspeaker and described wireless communication module, described audio signal comprises the voice data that transmits from described wireless communication module and the voice data of described microphone;
Power module, described power module comprises the first data/address bus and battery, for providing power supply by described the first data/address bus;
CPU, described CPU comprises main control MCU, the information gathering for receiving and store described sensor assembly, and coordinate described audio-frequency module and described wireless communication module carries out work;
Wireless communication module, described wireless communication module is used for making radio communication between intelligent bracelet and smart mobile phone to connect, the information of described intelligent bracelet is sent to described smart mobile phone, and the control information of described smart mobile phone is sent to described intelligent bracelet, realize the mutual transmission of audio signal between described intelligent bracelet and described smart mobile phone.
2. intelligent bracelet as claimed in claim 1, is characterized in that: also comprise input block, described input block is electrically connected to described CPU by the second data/address bus; Described CPU is for detection of described input block state.
3. intelligent bracelet as claimed in claim 1, is characterized in that: also comprise output unit, described output unit comprises indicator lamp and/or vibrating motor, is used to indicate or reminds to intelligent bracelet wearer the state of described intelligent bracelet; Described CPU is for controlling indicator lamp indication and/or the vibrating motor vibration of described output unit.
4. intelligent bracelet as claimed in claim 1, it is characterized in that: described sensor assembly comprises camera module and the gravity sensing acceleration module being electrically connected to described CPU respectively, wherein, described camera module is for taking image around of intelligent bracelet wearer and sending it to described CPU;
Described gravity sensing acceleration module is counted for the step number that intelligent bracelet wearer is advanced, and sends it to described CPU.
5. intelligent bracelet as claimed in claim 2, is characterized in that: described input block comprises load button and NFC module.
6. intelligent bracelet as claimed in claim 5, is characterized in that: described load button comprises volume key, the button of taking pictures, button and machine open/close button receive calls.
7. intelligent bracelet as claimed in claim 1, is characterized in that: described wireless communication module comprises bluetooth module.
8. intelligent bracelet as claimed in claim 1, is characterized in that: described power module is provided with USB interface, and described USB interface is for connecting power supply to described power module charging and/or for obtaining the data-interface of described intelligent bracelet; Whether described CPU is for detection of the electric weight of described power module and charged, and/or controls the input and output of described intelligent bracelet data.
9. intelligent bracelet as claimed in claim 1, is characterized in that: described battery is rechargeable battery.
10. the intelligent bracelet as described in claim 1 to 9 any one, is characterized in that: described main control MCU is electrically connected with memory.
CN201320551142.8U 2013-09-05 2013-09-05 Intelligent bracelet CN203446722U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320551142.8U CN203446722U (en) 2013-09-05 2013-09-05 Intelligent bracelet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320551142.8U CN203446722U (en) 2013-09-05 2013-09-05 Intelligent bracelet

Publications (1)

Publication Number Publication Date
CN203446722U true CN203446722U (en) 2014-02-26

Family

ID=50126639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320551142.8U CN203446722U (en) 2013-09-05 2013-09-05 Intelligent bracelet

Country Status (1)

Country Link
CN (1) CN203446722U (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103445409A (en) * 2013-09-05 2013-12-18 青岛歌尔声学科技有限公司 Intelligent bracelet
CN104042207A (en) * 2014-06-20 2014-09-17 中国科学院苏州生物医学工程技术研究所 Intelligent bracelet with feedback and relaxing functions
CN104082920A (en) * 2014-06-24 2014-10-08 吕志雪 Smart bracelet
CN104082919A (en) * 2014-06-24 2014-10-08 吕志雪 Smart wrist belt
CN104082918A (en) * 2014-06-24 2014-10-08 吕志雪 Smart bracelet
CN104639198A (en) * 2015-03-05 2015-05-20 深圳市华联科医学工程有限公司 Remote intelligent nursing wristband
CN104856378A (en) * 2015-06-17 2015-08-26 苏州科锐恒机械科技有限公司 Smart bracelet with keyboard projection function
CN105224081A (en) * 2015-09-22 2016-01-06 东南大学 There is the Intelligent bracelet of fingerprint identification module and carry out the method for mobile payment with it
CN105433532A (en) * 2015-12-22 2016-03-30 深圳爱易瑞科技有限公司 Intelligent hand chain
CN106658321A (en) * 2015-11-04 2017-05-10 斯达克实验室公司 Wireless electronic device with orientation-based power control
CN106896873A (en) * 2017-03-03 2017-06-27 河南天翎科技有限公司 A kind of Intelligent bracelet and its distance transmission system
CN108832953A (en) * 2018-07-13 2018-11-16 国家康复辅具研究中心 A kind of wisdom bracelet monitoring limb activity information

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103445409B (en) * 2013-09-05 2015-12-23 青岛歌尔声学科技有限公司 Intelligent bracelet
CN103445409A (en) * 2013-09-05 2013-12-18 青岛歌尔声学科技有限公司 Intelligent bracelet
CN104042207A (en) * 2014-06-20 2014-09-17 中国科学院苏州生物医学工程技术研究所 Intelligent bracelet with feedback and relaxing functions
CN104082920A (en) * 2014-06-24 2014-10-08 吕志雪 Smart bracelet
CN104082919A (en) * 2014-06-24 2014-10-08 吕志雪 Smart wrist belt
CN104082918A (en) * 2014-06-24 2014-10-08 吕志雪 Smart bracelet
CN104639198A (en) * 2015-03-05 2015-05-20 深圳市华联科医学工程有限公司 Remote intelligent nursing wristband
CN104856378A (en) * 2015-06-17 2015-08-26 苏州科锐恒机械科技有限公司 Smart bracelet with keyboard projection function
CN105224081A (en) * 2015-09-22 2016-01-06 东南大学 There is the Intelligent bracelet of fingerprint identification module and carry out the method for mobile payment with it
CN106658321A (en) * 2015-11-04 2017-05-10 斯达克实验室公司 Wireless electronic device with orientation-based power control
CN105433532A (en) * 2015-12-22 2016-03-30 深圳爱易瑞科技有限公司 Intelligent hand chain
CN106896873A (en) * 2017-03-03 2017-06-27 河南天翎科技有限公司 A kind of Intelligent bracelet and its distance transmission system
CN108832953A (en) * 2018-07-13 2018-11-16 国家康复辅具研究中心 A kind of wisdom bracelet monitoring limb activity information

Similar Documents

Publication Publication Date Title
WO2014161456A1 (en) Smart watch
CN203311163U (en) Intelligent Bluetooth watch
CN103683400B (en) Based on wireless charging control method and the system of NFC
CN104614975B (en) A kind of intelligent watch and its communication and method of supplying power to
CN204290930U (en) A kind of wearable device with wearing state inducing function
CN104636034A (en) Assembled electronic apparatus and control method thereof
CN103546181A (en) Wearable wireless intelligent electronic device with detachable and free combination functions
CN103346598A (en) Mobile power supply and extended function application method thereof
CN206975422U (en) A kind of child intelligence wrist-watch with video call function
CN202906528U (en) Three prevention mobile power supply
CN202167034U (en) Peripheral application device and mobile terminal system
CN104090480B (en) Intelligent alarm clock
CN206602411U (en) Wireless charging device
CN204068959U (en) A kind of blue-tooth intelligence bracelet
CN204578665U (en) A kind of WIFI intelligent peephole
CN203299525U (en) Intelligent watch
CN206117963U (en) Earphone with wireless function of charging
CN104270689B (en) A kind of multifunction blue tooth player
CN203840380U (en) Multifunctional cellphone connector assembly knapsack
CN102868426A (en) Watch-type man-machine mediated electronic equipment for conveniently acquiring information of mobilephone
CN204465057U (en) A kind of portable power source with warning device
CN201757903U (en) Usb key device
CN206119449U (en) Take wireless charging device's multifunctional traveling case
CN204929142U (en) Intelligent building intercom system based on radio communication technique
CN204631448U (en) Can positive and negatively wearing a wrist watch of intelligent and traditional double-sided display

Legal Events

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

Granted publication date: 20140226

Termination date: 20160905

CF01 Termination of patent right due to non-payment of annual fee