Global Patent Index - EP 0897999 A3

EP 0897999 A3 2000-05-03 - Method and apparatus for contactless energy and signal transfer in textile machines, in particular in twisting machines

Title (en)

Method and apparatus for contactless energy and signal transfer in textile machines, in particular in twisting machines

Title (de)

Verfahren zur berührungslosen Energie- und Signalübertragung an Textilmaschinen, insbesondere Zwirnmaschinen sowie Einrichtung zur Durchführung des Verfahrens

Title (fr)

Procédé et appareil pour le transfert sans contact d'energie et de signal dans des machines textiles, en particulier dans des machines de retordage

Publication

EP 0897999 A3 (DE)

Application

EP 98110384 A

Priority

DE 19735651 A

Abstract (en)

[origin: DE19735651C1] The transformer has only one pair of coils for a common carrier signal to take the energy and signals. The carrier signal itself, is the energy carrier, and the carried signals are formed by frequency modulation imposed on the carrier. The carrier signal jumps between two frequency values, at a set gap apart, and frequency jumps are evaluated as bit-serial signals on a secondary side, to generate the control signals. Also claimed is an appts. where the two cores (6.12,6.22) of the transformer are structured for their opposing sides to match the contour and especially the curvature radius of the air gap (9), and particularly at the opposing end surfaces of their legs. The gap between the two legs of each core (6.12,6.22) is larger than the width of the air gap (9) by a multiple of it.

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

D01H 13/10

IPC 8 full level (invention and additional information)

H01F 38/14 (2006.01); B65H 63/00 (2006.01); B65H 63/028 (2006.01); B65H 63/036 (2006.01); D01H 1/20 (2006.01); D01H 7/86 (2006.01); D01H 13/14 (2006.01); G08B 1/08 (2006.01)

CPC (invention and additional information)

D01H 1/20 (2013.01); D01H 7/86 (2013.01)

Citation (search report)

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

DE 19735651 C1 19980820; CN 1214523 A 19990421; CZ 9802611 A3 19990217; EP 0897999 A2 19990224; EP 0897999 A3 20000503; EP 0897999 B1 20030219; JP H11176674 A 19990702; US 6047535 A 20000411

INPADOC legal status


2006-02-15 [REG CH PL] PATENT CEASED

2005-06-30 [PG25 CH] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20050630

2005-06-30 [PG25 LI] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2004-06-25 [PGFP CH] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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- Payment date: 20040625

- Year of fee payment: 7

2004-02-11 [26N] NO OPPOSITION FILED

- Effective date: 20031120

2004-01-09 [EN] FR: TRANSLATION NOT FILED

2003-08-20 [GBV] GB: EP PATENT (UK) TREATED AS ALWAYS HAVING BEEN VOID IN ACCORDANCE WITH GB SECTION 77(7)/1977

- Effective date: 20030219

2003-04-15 [REG CH NV] NEW AGENT

- Representative's name: A. BRAUN, BRAUN, HERITIER, ESCHMANN AG PATENTANWAE

2003-02-28 [REG CH EP] ENTRY IN THE NATIONAL PHASE

2003-02-19 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): CH FR GB IT LI

2003-02-19 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2003-02-19 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20030219

2003-02-19 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2003-02-19 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Effective date: 20030219

2001-02-15 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2001-01-10 [AKX] PAYMENT OF DESIGNATION FEES

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2000-08-09 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: VOLKMANN GMBH

2000-05-31 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000405

2000-05-03 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

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

2000-05-03 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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

1999-02-24 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): CH FR GB IT LI

1999-02-24 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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