Global Patent Index - EP 1021733 A1

EP 1021733 A1 2000-07-26 - MONITORING METHOD AND APPARATUS

Title (en)

MONITORING METHOD AND APPARATUS

Title (de)

ÜBERWACHUNGSVERFAHREN UND -GERÄT

Title (fr)

PROCEDE ET APPAREIL DE SURVEILLANCE

Publication

EP 1021733 A1 (EN)

Application

EP 98937749 A

Priority

  • IL 9800376 W
  • IL 12193297 A

Abstract (en)

[origin: WO9919742A1] A combined portable monitoring, tracking and searching system, comprising one or more monitored and/or searched units (MSU) and one or more monitoring and searching units (SRU), wherein the MSU comprises processing means, memory means, display and/or audio means, a transmitting/receiving antenna, a spread spectrum receiver to receive modulated spread spectrum data and to convert it to baseband data, a spread spectrum transmitter, a data spreader, a synthesizer or frequency generator, and a correlator to correlate spread spectrum data received by said spread spectrum receiver with a known Pseudo Noise (PN) sequence; and, the SRU comprises processing means, memory means display and/or audio means, a transmitting/receiving omnidirectional antenna, a transmitting/receiving directional antenna, a spread spectrum receiver to receive modulated spread spectrum data and to convert it to baseband data, a spread spectrum transmitter, a data spreader, a synthesizer unit or frequency generator, a correlator to correlate spread spectrum data received by said spread spectrum receiver with a known PN sequence, and delay measurement means, to measure the time elapsed from the beginning of a first transmitted sequence to the beginning of one or more of the sequences received from a MSU in response to said first transmitted sequence.

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

G01S 5/12; G01S 13/86

IPC 8 full level (invention and additional information)

G01C 21/00 (2006.01); G01S 1/04 (2006.01); G01S 5/12 (2006.01); G01S 5/14 (2006.01); G01S 13/86 (2006.01); H04W 64/00 (2009.01)

CPC (invention and additional information)

G01S 13/86 (2013.01); G01S 1/045 (2013.01); G01S 5/12 (2013.01)

Citation (search report)

See references of WO 9919742A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9919742 A1 19990422; AU 8644598 A 19990503; CA 2303074 A1 19990422; CN 1277676 A 20001220; EP 1021733 A1 20000726; IL 121932 A 20000601; IL 121932 D0 19980310; JP 2001520387 A 20011030

INPADOC legal status


2003-09-03 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030301

2000-07-26 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000413

2000-07-26 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE