Global Patent Index - EP 0972364 A1

EP 0972364 A1 2000-01-19 - POWER DETECTION CIRCUIT

Title (en)

POWER DETECTION CIRCUIT

Title (de)

LEISTUNGSDETEKTIONSSCHALTKREIS

Title (fr)

CIRCUIT DE DETECTION DE PUISSANCE

Publication

EP 0972364 A1 (EN)

Application

EP 97914478 A

Priority

GB 9700881 W

Abstract (en)

[origin: WO9844661A1] A power detection circuit for detecting RF power present on an RF line, preferably for a handheld mobile telephone unit, said power detection circuit comprising a coupling stage for coupling the power detection circuit to said RF line to sense RF voltage present on said RF line; a rectifier stage for rectifying said sensed RF voltage; and a temperature compensation stage for compensating temperature variations of said rectifier stage.

IPC 1-7 (main, further and additional classification)

H04B 17/00; G01R 21/10

IPC 8 full level (invention and additional information)

G01R 21/10 (2006.01); H04B 17/00 (2006.01)

CPC (invention and additional information)

G01R 21/10 (2013.01); H04B 17/102 (2013.01); H04B 17/18 (2013.01)

Citation (search report)

See references of WO 9844661A1

Designated contracting state (EPC)

DE DK FI FR GB NL SE

EPO simple patent family

WO 9844661 A1 19981008; EP 0972364 A1 20000119

INPADOC legal status


2002-04-17 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20011002

2001-07-04 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010518

2000-01-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990927

2000-01-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE DK FI FR GB NL SE