Electrical resistors – Resistance value responsive to a condition – Current and/or voltage
Reexamination Certificate
2004-09-21
2009-10-27
Lee, Kyung (Department: 2833)
Electrical resistors
Resistance value responsive to a condition
Current and/or voltage
C338S309000
Reexamination Certificate
active
07609142
ABSTRACT:
A thermistor is provided with a third electrode placed so that it is not in contact with either the first or second electrode, and with a heating part integrally formed with the same material as the variable resistance part and in contact with the third electrode, the heating part changing the resistance value of the variable resistance part by generating heat when current passes between the third electrode and either of the first or second electrodes.
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patent: 6794980 (2004-09-01), Chu et al.
patent: 56-38617 (1981-04-01), None
patent: 09-055301 (1997-02-01), None
Koyama Hiroyuki
Sato Takashi
Lee Kyung
Tyco Electronics Raychem K.K.
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