Printed circuit adapted to detecting accidental heating

Details Printed circuit adapted to detecting accidental heating Printed circuit adapted to detecting accidental heating

2006-07-12

2010-10-19

La, Anh V (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S636180, C340S584000

Reexamination Certificate

active

07817052

ABSTRACT:
The invention relates to a printed circuit (10) comprising a support (12) that is insulating under normal conditions of operation of the printed circuit (10). The printed circuit (1) carries at least one component (14) that is capable of accidentally causing undesirable heating of a sensitive zone (Z) of the support (12). For this purpose, the printed circuit (10) further includes a detector for detecting heating of the sensitive zone (Z). The detector comprises a device (26) that are sensitive to the increase in the conductivity of the support (12) with temperature.

REFERENCES:
patent: 4956561 (1990-09-01), Tamer
patent: 5444436 (1995-08-01), Kennison
patent: 6087949 (2000-07-01), Yanagida
patent: 6337630 (2002-01-01), Hass et al.
patent: 6504484 (2003-01-01), Weng
patent: 1 096 843 (2001-05-01), None
patent: 2 733 099 (1996-10-01), None

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