Global Patent Index - EP 1257783 A1

EP 1257783 A1 2002-11-20 - MICRO INERTIAL MEASUREMENT UNIT

Title (en)

MICRO INERTIAL MEASUREMENT UNIT

Title (de)

MIKRO-TRÄGHEITSMESSEINHEIT

Title (fr)

MICRO-UNITE DE MESURE PAR INERTIE

Publication

EP 1257783 A1 (EN)

Application

EP 00911582 A

Priority

US 0000882 W

Abstract (en)

[origin: WO0151890A1] A micro inertial measurement sensor comprises, metal case (1), first circuit board (2), second circuit board (4), third circuit board (7), control circuit board (9), X-axis angular rate detecting unit (21), first front-end circuit (23), Y-axis angular rate detecting unit (41), second front-end circuit (43), Z-axis angular rate detecting unit (71), third front-end circuit (73), three dither motion control circuits provided on ASIC chip (92), wherein an oscillator is provided for reference pick-off signals on the X-axis angular rate detecting unit (21), the Y-axis angular rate detecting unit (41), the Z-axis angular rate detecting unit (71), the angle signal loop circuit and the dither motion control circuit and three dither motion control processing modules which run in DSP chip (91) are connected on control circuit (9) for the first, second and third circuit boards (2, 4, 7), respectively.

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

G01C 19/00

IPC 8 full level (invention and additional information)

G01C 21/16 (2006.01)

CPC (invention and additional information)

G01C 21/16 (2013.01)

Citation (search report)

See references of WO 0151890A1

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 0151890 A1 20010719; EP 1257783 A1 20021120

INPADOC legal status


2006-02-15 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20050801

2002-11-20 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020812

2002-11-20 [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

2002-11-20 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI