Testing device

Details Testing device Testing device

H - Electricity

05

K

356/2, 324/58

H05K 1/00 (2006.01) G01R 1/073 (2006.01) G01R 31/28 (2006.01)

Patent

CA 1195386

ABSTRACT A device for testing printed-circuit boards is described. A problem with one type of known testing device is that it can only be used for testing identical or nearly identical printed circuit boards because the arrangement of contact pins engaging the printed circuit board conductors and providing the signals to the measuring device or meter is fixed. In another case there is some facility for adapting to different printed circuit boards but this involves the individual masking with foil of certain ones of the pins. Accor- ding to the present invention a base member contains a master grid of socket connectors which are hard-wired to the meter. A pin carrier board supports the contact pins and an intermediate board is provided between the carrier board and the base member. The intermediate board has contact pads on its upper surface which contact the pins and has plug connectors joined to these contact pads and projecting below the board for reception in the sockets of the base member. The intermediate board has a contact pad pattern corresponding to that of the printed circuit board and the intermediate board is replaced with an appropriate one every time the type of printed circuit board is changed. Alternatively or additionally, the pin pattern may also be changed as the printed circuit board is changed.

378972

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