GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0754369 A1 19970122 - SWITCHING CIRCUIT

Title (en)

SWITCHING CIRCUIT

Title (de)

SCHALTVORRICHTUNG

Title (fr)

CIRCUIT DE COMMUTATION

Publication

EP 0754369 A1 19970122 (EN)

Application

EP 95910016 A 19950309

Priority

NL 9500089 W 19950309
NL 9400394 A 19940314

Abstract (en)

[origin: WO9525384A1] Switching circuit for electronically switching of electronic, electrical or electromechanical components by means of semiconductors, wherein energy-transfer from the switching component (2) to the switched component (8) is established through a voltage transferring component (5), which completely isolates the switching component from the switched component; and wherein the voltage transferring component consists of a transformer.

IPC 1-7

H03K 17/60

IPC 8 full level

H03K 17/60 (2006.01)

CPC (source: EP)

H03K 17/601 (2013.01)

Citation (search report)

See references of WO 9525384A1

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI NL

DOCDB simple family (publication)

WO 9525384 A1 19950921; AU 1825695 A 19951003; EP 0754369 A1 19970122; NL 9400394 A 19951002

DOCDB simple family (application)

NL 9500089 W 19950309; AU 1825695 A 19950309; EP 95910016 A 19950309; NL 9400394 A 19940314