 |
 |
 |
| Index | Company | Prodcuts | Workshop | Business | News | Technology | Job | Feedback | Contact |
 |
 |
|
 |
 |
 |
| OPPHO Electronics Co., Ltd Add:Building G1, Dongke Industrial Par, Nanpu Village, Changping Town, Dongguan City, Guangdong Province Tel:86-769-83393855/83397855 Fax:86-769-83398055 Contact:Mr.Zhou/13925568556 E-mail:sales@oppho.com Website:www.oppho.com |
 |
|
3.5 Headset jack: uniform standard phone headphone jack Phone headphone jack uniform standards is the Ministry following the " digital mobile terminal peripheral interface data exchange - Part 1: Data format technical requirements" , "digital mobile terminal peripheral interface data exchange - Part 2 : Data Interchange File Format technical requirements", " mobile communication handset machine charger and interface technology requirements and testing party " that was released after about the fourth mobile communication industry standard interfaces , which is also the first to develop CCSA headphone jack on the phone communication industry standards. This standard specifies the phone wired headset interface technical requirements and test methods, including the physical structure of the interface , connection definition , signs , mechanical properties , security properties, electrical properties and environmental adaptability and other content for mobile phones as well as wired headphone jack the wired headset connection and interface conversion devices, other audio playback device can also be implemented by reference ; does not apply to digital transmission phones wired headphone jack. The standard also provides mobile wired headset interface standard concentric connector includes a socket end and a plug end , the mobile phone side outlet side should be used , and according to the connector of the different provisions diameter 2.5mm 3.5mm interface and two interfaces, for both interfaces are also put forward specific technical requirements. In addition, in order to distinguish cell phone headphone jack, headphone jack who meet uniform standards for mobile phone concentric connector interfaces are standard wired headphone jack should be used on the product logo EXPRESS . Phone headphone jack uniform standards promulgated , will guide the industry's unified phone wired headphone jack , so that different models of mobile phones to work with standard wired headset connection , or similar audio device with a headset used in conjunction with , and consumers can Depending on the demand for independent selection headphones , thereby reducing the cost of mobile phone use . |
 |
 Index / Company / Prodcuts / Workshop / Business / News / Technology / Job / Feedback / Contact | |
 | |
| Dongguan OPPHO Electronics Co., Ltd all rights reserved@ Copyright
The phone：0769-83393855/83397855 Fax：86-769-8339-8055 Access amount： 【Email Login】 *All of photos, text and other information contained in the website are reserved by Dongguan OPPHO Electronics Co., Ltd and it is not allowed make reproduction without consent* [Background management] | |