Global Patent Index - EP 0534775 A1

EP 0534775 A1 19930331 - Thermistor.

Title (en)

Thermistor.

Title (de)

Thermistor.

Title (fr)

Thermistance.

Publication

EP 0534775 A1 19930331 (EN)

Application

EP 92308746 A 19920925

Priority

GB 9120576 A 19910927

Abstract (en)

A PTC thermistor device comprises at least two flat bodies (20,22) of PTC material, the bodies being connected electrically in series and being in thermal contact with each other. The device is able to withstand greater surge currents than a single body of the same material of equivalent overall size. <IMAGE>

IPC 1-7

H01C 1/14; H01C 7/02; H01C 13/02

IPC 8 full level

H01C 1/14 (2006.01); H01C 7/02 (2006.01); H01C 7/18 (2006.01); H01C 13/02 (2006.01)

CPC (source: EP)

H01C 1/1406 (2013.01); H01C 7/02 (2013.01); H01C 13/02 (2013.01)

Citation (search report)

  • [X] DE 3905443 A1 19890928 - MURATA MANUFACTURING CO [JP]
  • [X] US 4259657 A 19810331 - ISHIKAWA KAZUO, et al
  • [X] PATENT ABSTRACTS OF JAPAN vol. 5, no. 110 (P-71)17 July 1981 & JP-A-56 053 429 ( MATSUSHITA ELECTRIC ) 13 May 1981
  • [A] PATENT ABSTRACTS OF JAPAN vol. 13, no. 352 (E-801)8 August 1989 & JP-A-01 110 701 ( MURATA MFG )

Designated contracting state (EPC)

AT BE DE FR GB IT SE

DOCDB simple family (publication)

EP 0534775 A1 19930331; GB 9120576 D0 19911106; JP H07201516 A 19950804

DOCDB simple family (application)

EP 92308746 A 19920925; GB 9120576 A 19910927; JP 28236092 A 19920928