Global Patent Index - EP 1084381 A1

EP 1084381 A1 2001-03-21 - MEASUREMENT SYSTEMS

Title (en)

MEASUREMENT SYSTEMS

Title (de)

MESSSYSTEME

Title (fr)

SYSTEMES DE MESURE

Publication

EP 1084381 A1 (EN)

Application

EP 99920995 A

Priority

  • GB 9901438 W
  • GB 9809638 A

Abstract (en)

[origin: WO9957515A1] A laser beam (14, 32) is projected on to a plurality of aligned screens (11, 30a-d), each of which is partially opaque. The position at which the laser beam impinges on each screen is determined and measurement calculations carried out form the information thereby obtained.

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

G01C 15/00; E21D 9/00

IPC 8 full level (invention and additional information)

E21D 9/00 (2006.01); G01C 15/00 (2006.01)

CPC (invention and additional information)

E21D 9/004 (2013.01); G01C 15/002 (2013.01)

Citation (search report)

See references of WO 9957515A1

Designated contracting state (EPC)

AT CH DE DK FR GR IT LI SE

EPO simple patent family

WO 9957515 A1 19991111; EP 1084381 A1 20010321; GB 0027011 D0 20001220; GB 2354897 A 20010404; GB 9809638 D0 19980701

INPADOC legal status


2004-06-23 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20031201

2001-03-21 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001204

2001-03-21 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT CH DE DK FR GR IT LI SE