公开(公告)号：US20220074986A1

公开(公告)日：2022-03-10

申请号：US17418576

申请日：2019-07-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weiwen Pang ,  Xiaoqiang Li

IPC: G01R31/28 ,  G01R31/3181 ,  G01R31/317

Abstract: A test system for a memory card includes a first circuit board. One side of the first circuit board is provided with a plurality of contact groups spaced apart from each other along a row direction. Another side of the first circuit board is provided with slots disposed along the row direction. The test system further includes a second circuit board. The second circuit board is provided with a test circuit, and is inserted into the slot along a direction perpendicular to the first circuit board. The second circuit board provides a test signal to the contact groups.

公开(公告)号：US12038470B2

公开(公告)日：2024-07-16

申请号：US17418576

申请日：2019-07-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Weiwen Pang ,  Xiaoqiang Li

IPC: G01R31/28 ,  G01R31/317 ,  G01R31/3181

CPC classification number: G01R31/2805 ,  G01R31/2841 ,  G01R31/2886 ,  G01R31/31728 ,  G01R31/31813

Abstract: A test system for a memory card includes a first circuit board. One side of the first circuit board is provided with a plurality of contact groups spaced apart from each other along a row direction. Another side of the first circuit board is provided with slots disposed along the row direction. The test system further includes a second circuit board. The second circuit board is provided with a test circuit, and is inserted into the slot along a direction perpendicular to the first circuit board. The second circuit board provides a test signal to the contact groups.

公开(公告)号：US20220067475A1

公开(公告)日：2022-03-03

申请号：US17416303

申请日：2019-07-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Enhua Deng ,  Dan Guo ,  Weiwen Pang ,  Zhixiong Li

IPC: G06K19/077 ,  H05K5/02 ,  G06K19/07

Abstract: A memory card includes a packaging board and a plurality of contacts disposed on one side surface of the packaging board, where the contacts include a power supply contact, a grounding contact, and a detection contact. The detection contact is disposed adjacent to one of the power supply contact or the grounding contact and is suspended or electrically connected to the other of the power supply contact or the grounding contact.