EP0769988A1 - Transducteur acoustique multifrequences a bandes larges - Google Patents
Transducteur acoustique multifrequences a bandes largesInfo
- Publication number
- EP0769988A1 EP0769988A1 EP95923401A EP95923401A EP0769988A1 EP 0769988 A1 EP0769988 A1 EP 0769988A1 EP 95923401 A EP95923401 A EP 95923401A EP 95923401 A EP95923401 A EP 95923401A EP 0769988 A1 EP0769988 A1 EP 0769988A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frequency
- transducer
- frequencies
- impedance
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000919 ceramic Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000003384 imaging method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
- B06B1/0614—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile for generating several frequencies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
Definitions
- the present invention relates to acoustic transducers capable of operating on several transmission and / or reception frequencies with wide passbands around these frequencies. It allows underwater imaging to have a large range for a low frequency, but with a low resolution, and a high resolution for a high frequency, but with a low range.
- the sonar carrying boat equipped with this type of transducer then approaches the object thus detected, and when one is close enough, the high frequency is used, which makes it possible to obtain an accurate image of this object.
- the invention provides a wideband multi-frequency acoustic transducer, of the type comprising a piezoelectric plate emitting impedance Z and resonating in ⁇ / 2 at a fundamental frequency F0, a rear blade of impedance Z3 and a support forming a reflector of the substantially zero impedance type, mainly characterized in that the rear plate resonates in ⁇ / 4 at the frequency F0 to allow two resonance frequencies FA and FB to be obtained from the assembled transducer, and in that this transducer includes in in addition to two front adapter blades whose impedances Z1 and Z2 are given by the formulas
- the rear blade is formed from the same material as the active blade
- the active plate has a thickness such that it resonates in ⁇ / 2 at a frequency of 250 kHz and that the two emission frequencies for which the transducer is adapted are substantially equal to 350 kHz and 150 kHz .
- FIG. 1 a sectional view of the structure of an antenna according to the invention
- FIG. 2 a perspective view of the different layers constituting this antenna, exploded relative to one another;
- FIG. 3 a perspective view of such a transducer after cutting to obtain the necessary columns in the case of an application to a sonar.
- FIG. 1 a section taken along the thickness of a transducer according to the invention.
- the active element of the transducer is composed of a piezoelectric ceramic plate 201 which resonates in ⁇ / 2 at a "natural" frequency F0 when it is isolated.
- This blade is fixed on a support 203 by means of a rear blade 202 which itself resonates in ⁇ / 4 at F0.
- the support 203 itself constitutes a reflector of the type with substantially zero impedance, known in particular under the Anglo-Saxon designation of light "backing" or of soft reflector. To obtain such a substantially zero impedance with a material strong enough to support the transducer, use is made, according to the prior art, of a low density cellular material.
- the addition to the piezoelectric ceramic plate 201 of the resonant rear plate 202 makes it possible to obtain for the assembly two resonant frequencies FA and FB such that FA is between 1.5 FB and 3 FB.
- (FA + FB) / 2 F0.
- two emitting front blades 204 and 205 are superimposed on the emitting front face of the blade 201, each of quarter wave type respectively at the two frequencies FA and FB.
- the invention therefore proposes using two adaptation blades before 204 and 205, by specifying each blade for a frequency so that one of the blades adapts the device for one of the frequencies and the other blade for the other frequency.
- these blades are superimposed, their behaviors interfere with each other, essentially insofar as the blades are not completely transparent at the frequencies for which they are not adapted.
- a blade 202 made of piezoelectric ceramic of the PZT type was used, having an impedance substantially equal to 21 ⁇ 10 6 acoustic ohms.
- the rear blade is designed to resonate in ⁇ / 4 at this same frequency, and the invention proposes, as an improvement, to manufacture this blade with the same ceramic, of the PZT type, as that used for the active piezoelectric blade 201. This allows the manufacturing of the transducer to be greatly simplified. Under these conditions, we will obtain for the two frequencies FA and
- FB respectively values substantially equal to 350 kHz and 150 kHz. It can be seen that FO is substantially equal to (FA + FB) / 2 and that in addition FA / FB is substantially equal to 2.33.
- the corresponding adaptation blade is of a thickness substantially equal to ⁇ / 4, which provides the desired adaptation, and that at the other frequency, the thickness of the blades is close to ⁇ / 2 for l 'one, and less than ⁇ / 8 for the other, which makes them substantially transparent to acoustic waves for the frequencies they must not disturb.
- the variations compared to ⁇ / 4 and to ⁇ / 2 come precisely from the interaction between the different layers, whose effect is modeled by the Mason type model.
- a succession of blades of the chosen materials is stacked with the thicknesses thus determined, interposing in addition between the ceramic 201 and the layer 204 on the one hand, and between this ceramic and the layer 202 on the other hand, electrodes 211 and 221 formed from a thin conductive metallic layer which does not disturb the acoustic functioning of the assembly. These electrodes 211 and 221 come out of the sandwich so as to be accessible so as to be able to connect them to the connections delivering the signal intended to excite the ceramic 201.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9408474 | 1994-07-08 | ||
FR9408474A FR2722358B1 (fr) | 1994-07-08 | 1994-07-08 | Transducteur acoustique multifrequences a larges bandes |
PCT/FR1995/000800 WO1996001702A1 (fr) | 1994-07-08 | 1995-06-16 | Transducteur acoustique multifrequences a bandes larges |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0769988A1 true EP0769988A1 (fr) | 1997-05-02 |
EP0769988B1 EP0769988B1 (fr) | 1998-09-23 |
Family
ID=9465179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95923401A Expired - Lifetime EP0769988B1 (fr) | 1994-07-08 | 1995-06-16 | Transducteur acoustique multifrequences a bandes larges |
Country Status (8)
Country | Link |
---|---|
US (1) | US5706252A (fr) |
EP (1) | EP0769988B1 (fr) |
JP (1) | JP3321172B2 (fr) |
CA (1) | CA2194605C (fr) |
DE (1) | DE69504986T2 (fr) |
DK (1) | DK0769988T3 (fr) |
FR (1) | FR2722358B1 (fr) |
WO (1) | WO1996001702A1 (fr) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3573567B2 (ja) * | 1996-04-12 | 2004-10-06 | 株式会社日立メディコ | 超音波探触子及びそれを用いた超音波検査装置 |
US6049159A (en) * | 1997-10-06 | 2000-04-11 | Albatros Technologies, Inc. | Wideband acoustic transducer |
US6050943A (en) | 1997-10-14 | 2000-04-18 | Guided Therapy Systems, Inc. | Imaging, therapy, and temperature monitoring ultrasonic system |
FR2812969B1 (fr) | 2000-08-11 | 2003-08-01 | Thomson Csf | Capteur micro-usine avec soudure electrolytique et procede de fabrication |
FR2812968B1 (fr) * | 2000-08-11 | 2003-08-01 | Thomson Csf | Capteur micro-usine avec protection isolante des connexions |
US6589174B1 (en) | 2000-10-20 | 2003-07-08 | Sunnybrook & Women's College Health Sciences Centre | Technique and apparatus for ultrasound therapy |
US6759791B2 (en) * | 2000-12-21 | 2004-07-06 | Ram Hatangadi | Multidimensional array and fabrication thereof |
US7914453B2 (en) | 2000-12-28 | 2011-03-29 | Ardent Sound, Inc. | Visual imaging system for ultrasonic probe |
JP5067821B2 (ja) * | 2001-04-13 | 2012-11-07 | 古野電気株式会社 | 多周波送受波器 |
WO2004007098A1 (fr) * | 2002-07-15 | 2004-01-22 | Eagle Ultrasound As | Transducteurs ultrasonores a bande haute frequence et multifrequence et a base de films ceramiques |
FR2858467B1 (fr) * | 2003-07-29 | 2008-08-01 | Thales Sa | Antenne sonar hf a structure composite 1-3 |
FR2859528B1 (fr) * | 2003-09-09 | 2006-01-06 | Thales Sa | Gyrometre micro-usine a double diapason et a detection dans le plan de la plaque usinee |
FR2860865B1 (fr) * | 2003-10-10 | 2006-01-20 | Thales Sa | Gyrometre micromecanique infertiel a diapason |
FR2862761B1 (fr) * | 2003-11-25 | 2006-02-03 | Thales Sa | Accelerometre differentiel micro-usine multiaxes |
US7393325B2 (en) | 2004-09-16 | 2008-07-01 | Guided Therapy Systems, L.L.C. | Method and system for ultrasound treatment with a multi-directional transducer |
US9011336B2 (en) | 2004-09-16 | 2015-04-21 | Guided Therapy Systems, Llc | Method and system for combined energy therapy profile |
US7824348B2 (en) | 2004-09-16 | 2010-11-02 | Guided Therapy Systems, L.L.C. | System and method for variable depth ultrasound treatment |
US8535228B2 (en) | 2004-10-06 | 2013-09-17 | Guided Therapy Systems, Llc | Method and system for noninvasive face lifts and deep tissue tightening |
US10864385B2 (en) | 2004-09-24 | 2020-12-15 | Guided Therapy Systems, Llc | Rejuvenating skin by heating tissue for cosmetic treatment of the face and body |
US8444562B2 (en) | 2004-10-06 | 2013-05-21 | Guided Therapy Systems, Llc | System and method for treating muscle, tendon, ligament and cartilage tissue |
JP4693386B2 (ja) * | 2004-10-05 | 2011-06-01 | 株式会社東芝 | 超音波プローブ |
US9694212B2 (en) | 2004-10-06 | 2017-07-04 | Guided Therapy Systems, Llc | Method and system for ultrasound treatment of skin |
US20060111744A1 (en) | 2004-10-13 | 2006-05-25 | Guided Therapy Systems, L.L.C. | Method and system for treatment of sweat glands |
US11883688B2 (en) | 2004-10-06 | 2024-01-30 | Guided Therapy Systems, Llc | Energy based fat reduction |
US9827449B2 (en) | 2004-10-06 | 2017-11-28 | Guided Therapy Systems, L.L.C. | Systems for treating skin laxity |
PL2409728T3 (pl) | 2004-10-06 | 2018-01-31 | Guided Therapy Systems Llc | Układ do ultradźwiękowego leczenia tkanki |
US8690779B2 (en) | 2004-10-06 | 2014-04-08 | Guided Therapy Systems, Llc | Noninvasive aesthetic treatment for tightening tissue |
US11235179B2 (en) | 2004-10-06 | 2022-02-01 | Guided Therapy Systems, Llc | Energy based skin gland treatment |
US7758524B2 (en) | 2004-10-06 | 2010-07-20 | Guided Therapy Systems, L.L.C. | Method and system for ultra-high frequency ultrasound treatment |
CA2583600A1 (fr) * | 2004-10-06 | 2006-04-20 | Guided Therapy Systems, L.L.C. | Methode et systeme de chirurgie esthetique non invasif |
US8133180B2 (en) | 2004-10-06 | 2012-03-13 | Guided Therapy Systems, L.L.C. | Method and system for treating cellulite |
US11207548B2 (en) | 2004-10-07 | 2021-12-28 | Guided Therapy Systems, L.L.C. | Ultrasound probe for treating skin laxity |
US11724133B2 (en) | 2004-10-07 | 2023-08-15 | Guided Therapy Systems, Llc | Ultrasound probe for treatment of skin |
EP2533130A1 (fr) | 2005-04-25 | 2012-12-12 | Ardent Sound, Inc. | Procédé et système pour améliorer la sécurité de périphérique d'ordinateur |
US9566454B2 (en) | 2006-09-18 | 2017-02-14 | Guided Therapy Systems, Llc | Method and sysem for non-ablative acne treatment and prevention |
WO2008137942A1 (fr) | 2007-05-07 | 2008-11-13 | Guided Therapy Systems, Llc. | Procédés et systèmes de modulation de substances médicamenteuses utilisant l'énergie acoustique |
US20150174388A1 (en) | 2007-05-07 | 2015-06-25 | Guided Therapy Systems, Llc | Methods and Systems for Ultrasound Assisted Delivery of a Medicant to Tissue |
KR102479936B1 (ko) * | 2008-06-06 | 2022-12-22 | 얼테라, 인크 | 초음파 치료 시스템 |
KR20110101204A (ko) | 2008-12-24 | 2011-09-15 | 가이디드 테라피 시스템스, 엘.엘.씨. | 지방 감소 및/또는 셀룰라이트 치료 방법 및 시스템 |
JP2010273097A (ja) * | 2009-05-21 | 2010-12-02 | Iwaki Akiyama | 超音波プローブ |
US8715186B2 (en) | 2009-11-24 | 2014-05-06 | Guided Therapy Systems, Llc | Methods and systems for generating thermal bubbles for improved ultrasound imaging and therapy |
US9504446B2 (en) | 2010-08-02 | 2016-11-29 | Guided Therapy Systems, Llc | Systems and methods for coupling an ultrasound source to tissue |
WO2012018391A2 (fr) | 2010-08-02 | 2012-02-09 | Guided Therapy Systems, Llc | Méthodes et systèmes de traitement de l'aponévrose plantaire superficielle |
US8857438B2 (en) | 2010-11-08 | 2014-10-14 | Ulthera, Inc. | Devices and methods for acoustic shielding |
KR102068728B1 (ko) | 2011-07-10 | 2020-01-21 | 가이디드 테라피 시스템스, 엘.엘.씨. | 초음파 치료를 위한 방법 및 시스템 |
EP2731675B1 (fr) | 2011-07-11 | 2023-05-03 | Guided Therapy Systems, L.L.C. | Systèmes et procédés de couplage d'une source d'ultrasons à un tissu |
US9263663B2 (en) | 2012-04-13 | 2016-02-16 | Ardent Sound, Inc. | Method of making thick film transducer arrays |
US9510802B2 (en) | 2012-09-21 | 2016-12-06 | Guided Therapy Systems, Llc | Reflective ultrasound technology for dermatological treatments |
CN113648551A (zh) | 2013-03-08 | 2021-11-16 | 奥赛拉公司 | 用于多焦点超声治疗的装置和方法 |
US10561862B2 (en) | 2013-03-15 | 2020-02-18 | Guided Therapy Systems, Llc | Ultrasound treatment device and methods of use |
SG11201608691YA (en) | 2014-04-18 | 2016-11-29 | Ulthera Inc | Band transducer ultrasound therapy |
PT3405294T (pt) | 2016-01-18 | 2023-03-03 | Ulthera Inc | Dispositivo de ultrassom compacto com matriz anular de ultrassom ligada eletricamente de modo periférico a placa de circuito impresso flexível |
EP3981466B9 (fr) | 2016-08-16 | 2023-10-04 | Ulthera, Inc. | Systèmes et méthodes de traitement cosmétique par ultrasons de la peau |
TW202327520A (zh) | 2018-01-26 | 2023-07-16 | 美商奧賽拉公司 | 用於多個維度中的同時多聚焦超音治療的系統和方法 |
US11944849B2 (en) | 2018-02-20 | 2024-04-02 | Ulthera, Inc. | Systems and methods for combined cosmetic treatment of cellulite with ultrasound |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2612722B1 (fr) * | 1987-03-19 | 1989-05-26 | Thomson Csf | Transducteur acoustique multifrequences, notamment pour imagerie medicale |
JP3015481B2 (ja) * | 1990-03-28 | 2000-03-06 | 株式会社東芝 | 超音波プローブ・システム |
ATE174445T1 (de) * | 1992-09-28 | 1998-12-15 | Siemens Ag | Ultraschall-wandleranordnung mit einer akustischen anpassungsschicht |
US5410205A (en) * | 1993-02-11 | 1995-04-25 | Hewlett-Packard Company | Ultrasonic transducer having two or more resonance frequencies |
US5629906A (en) * | 1995-02-15 | 1997-05-13 | Hewlett-Packard Company | Ultrasonic transducer |
-
1994
- 1994-07-08 FR FR9408474A patent/FR2722358B1/fr not_active Expired - Lifetime
-
1995
- 1995-06-16 DE DE69504986T patent/DE69504986T2/de not_active Expired - Lifetime
- 1995-06-16 JP JP50414296A patent/JP3321172B2/ja not_active Expired - Fee Related
- 1995-06-16 WO PCT/FR1995/000800 patent/WO1996001702A1/fr active IP Right Grant
- 1995-06-16 EP EP95923401A patent/EP0769988B1/fr not_active Expired - Lifetime
- 1995-06-16 DK DK95923401T patent/DK0769988T3/da active
- 1995-06-16 US US08/750,862 patent/US5706252A/en not_active Expired - Lifetime
- 1995-06-16 CA CA002194605A patent/CA2194605C/fr not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9601702A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH10502510A (ja) | 1998-03-03 |
EP0769988B1 (fr) | 1998-09-23 |
FR2722358A1 (fr) | 1996-01-12 |
DE69504986D1 (de) | 1998-10-29 |
FR2722358B1 (fr) | 1996-08-14 |
DE69504986T2 (de) | 1999-02-18 |
DK0769988T3 (da) | 1999-06-14 |
JP3321172B2 (ja) | 2002-09-03 |
CA2194605C (fr) | 2005-08-23 |
CA2194605A1 (fr) | 1996-01-25 |
WO1996001702A1 (fr) | 1996-01-25 |
US5706252A (en) | 1998-01-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0769988B1 (fr) | Transducteur acoustique multifrequences a bandes larges | |
FR2848478A1 (fr) | Matiere absorbante pour dispositif transducteur a ultrasons micro-usine | |
EP0260173B1 (fr) | Hydrophones piezo-électriques de sensibilité accrue | |
FR2581282A1 (fr) | Transducteur electromagnetique cylindrique a vibrations transversales | |
EP2559972B1 (fr) | Procédé d'interrogation d'un capteur différentiel de type acoustique à deux résonances et dispositif mettant en ?uvre le procédé d'interrogation | |
CA2136242C (fr) | Antenne acoustique sous-marine a capteur surfacique | |
FR2994519A1 (fr) | Enceinte bass-reflex a event echancre | |
EP0100711A2 (fr) | Transducteur du type demi-onde à élément actif en polymère piézoélectrique | |
EP0005409A2 (fr) | Transducteurs piézoélectriques à amplification mécanique pour très basses fréquences et antennes acoustiques | |
WO2009083484A1 (fr) | Capteur passif a ondes de surfaces comportant une antenne integree et applications medicales utilisant ce type de capteur passif | |
FR2709878A1 (fr) | Antenne fil-plaque monopolaire. | |
EP1222735A1 (fr) | Filtre a ondes acoustiques d'interface notamment pour les liaisons sans fil | |
FR2980326A1 (fr) | Couches de transmission thermique et d'adaptation acoustique pour transducteur ultrasonore | |
EP0285482A1 (fr) | Transducteur acoustique multifréquences, notamment pour imagerie médicale | |
FR2785473A1 (fr) | Filtre faibles pertes a ondes acoustiques de surface sur substrat de quartz de coupe optimisee | |
EP2367640B1 (fr) | Transducteur d'ondes acoustiques et antenne sonar de directivite amelioree | |
EP0172445B1 (fr) | Transpondeur passif, notamment pour la recherche de personnes victimes d'une avalanche | |
EP0434493A1 (fr) | Procédé pour augmenter la puissance des transducteurs électro-acoustiques à basse fréquence et transducteurs correspondants | |
EP0118329B1 (fr) | Hydrophone de vitesse | |
EP0982859B1 (fr) | Filtre acoustique à deux canaux différents à compensation de réjection | |
EP0031275A1 (fr) | Fenêtre hyperfréquence et guide d'onde comportant une telle fenêtre | |
EP0506529B1 (fr) | Antenne acoustique basse fréquence directive | |
EP0619025B1 (fr) | Antenne acoustique lineaire | |
FR2503517A1 (fr) | Transducteur piezo-electrique | |
EP0424240A1 (fr) | Transducteur d'ondes de surface unidirectionnel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19961227 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE DK GB NL |
|
17Q | First examination report despatched |
Effective date: 19970804 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE DK GB NL |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19980930 |
|
REF | Corresponds to: |
Ref document number: 69504986 Country of ref document: DE Date of ref document: 19981029 |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: T3 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DK Payment date: 20120612 Year of fee payment: 18 Ref country code: NL Payment date: 20120614 Year of fee payment: 18 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: V1 Effective date: 20140101 |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: EBP Effective date: 20130630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20140101 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20140611 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20140611 Year of fee payment: 20 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20130630 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 69504986 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20150615 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20150615 |