The general function expander embedded mobile phone SIM card slot of the circuit board thickness less than 0.2 mm SIM card with the same board, which have positive and negative contact interface and SIM card slot of mobile phone and SIM card matching. Control chip with microprocessor and connected with the circuit board interface contact, the maximum width is less than or equal to the width of the circuit board, the maximum length is less than or equal to the circuit board and the circuit board above the upper contact distance, horizontal fixed on the front side of the circuit board, on the bottom of the control chip is in contact with the circuit board or the other edge is flat, are at the edge of the circuit board or flush with the control chip, a thickness of less than 1 mm, the total thickness of the chip and the circuit board is less than or equal to 1.2 mm. The expander is facing down embedded mobile phone SIM card slot, SIM card is placed in the expander, the expander is connected with the mobile phone SIM card and SIM card slot. The expander is independent from the SIM card can be inserted into the mobile phone SIM card slot, the mobile phone service increase function.
【技术实现步骤摘要】
【技术保护点】
一种嵌入手机SIM卡槽的通用功能扩展器,包括电路板(1)和其上的控制芯片(2);所述电路板(1)为厚度小于0.4毫米的柔性电路板,是与标准SIM卡相同的缺一角的矩形或者是长度和/或宽度小于SIM卡长度、宽度的电路板,电路板(1)正面有标准的、与手机的SIM卡槽相配合的接口触点,电路板(1)反面有标准的与SIM卡配合的接口触点;所述控制芯片(2)具有独立的微处理器CPU和与其相连接的随机存储器RAM、只读存储器ROM,并安装有操作系统、通讯协议软件及扩展业务客户端软件,控制芯片(2)的各有关电路与电路板(1)上相关接口触点连接;其特征在于: 该控制芯片(2)的最大宽度小于或等 ...
【技术特征摘要】
【专利技术属性】
技术研发人员:宾志滔,
申请(专利权)人:桂林微网半导体有限责任公司,
类型:实用新型
国别省市:45[中国|广西]