Register information Patent

WO file number: PCT/EP2019/065595 (Status: not pending/lapsed, Query started: August 16, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INID	Criterion	Field	Content
	Type of IP right	SART	Patent
	Status	ST	Not pending/lapsed
86	WO file number	WAKZ	PCT/EP2019/065595
87	WO publication number	WPN	2019238879
54	Designation/title	TI	BETRIEBSSCHALTUNGEN FÜR LED-LASTEN AUFWEISEND EINE HALBBRÜCKENSCHALTUNG
51	IPC main class	ICM (ICMV)	H02M 3/335 (2006.01)
51	IPC secondary class(es)	ICS (ICSV)	H05B 33/08 (2020.01)
86	WO application date	WAT	Jun 13, 2019
72	Inventor	IN	Inventor not yet named
66 66	Domestic priority	PRN PRD	10 2018 114 271.4 Jun 14, 2018
33 31 32	Foreign priority	PRC PRNA PRDA	AT GM 50144/2018 Aug 24, 2018
	Patent division in charge		44
87	WO language of publication	WLANG	DE - Deutsch
57	Abstract	AB	Betriebsschaltung (BS) für eine LED-Last, aufweisend: - eine Halbbrückenschaltung (HB) mit zwei in Serie geschalteten Schaltern (HS, LS), - einen vom Mittenpunkt der beiden Schalter (HS, LS) aus versorgten Serienresonanzkreis, - einen Transformator (GT), dessen Streuinduktivität Teil des Resonanzkreises ist, oder der mit einer diskreten Resonanzdrossel in Serie liegt und von dessen Sekundärseite aus Anschlüsse für eine LED-Last (LED) versorgt sind, - eine Steuerschaltung (ST), die die Schalter (HS, LS) der Halbbrücke hochfrequent taktet, wobei die Steuerschaltung (ST) der hochfrequenten Taktung eine im Vergleich dazu niederfrequente PWM-Modulation überlagert, wobei die hochfrequente Taktung mittels Vorwärtssteuerung einstellbar ist, und das Tastverhältnis der PWM-Modulation mittels Rückführregelung verändert wird, wobei für die Rückführregelung der Steuerschaltung (ST) ein einen Strom durch die LED wiedergebendes Signal zugeführt ist.
81	Designated WO countries	WDS	AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
	Published EP/WO documents	EPWOPN	Original document: WO2019238879A1 Searchable text: WO2019238879A1
43	Date of first publication	EVT	Dec 19, 2019
	Date of the first transfer into DPMAregister	EREGT	Dec 20, 2019
	Date of the (most recent) update in DPMAregister	REGT	Jan 13, 2021 (Show all update days)(Hide all update days) Dec 20, 2019 Date of the first transfer into DPMAregister

Procedural data
No.	Kind of procedure	Legal status	Date of legal/procedural status	Alle Details anzeigen
1	Pre-registration procedure	The application is under preliminary examination	Jun 13, 2019	Details anzeigen
2	Search procedure	Request for search effectively filed	Jun 13, 2019	Details anzeigen
3	Procedure relating to PCT application	WO first publication with search report	Dec 19, 2019	Details anzeigen
4	Procedure relating to PCT application	Ceased to have effect for DE	Dec 15, 2020	Details anzeigen

View procedures Pre-registration procedure (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Pre-registration procedure
Legal/procedural status	VST	The application is under preliminary examination
Date of legal/procedural status	VSTT	Jun 13, 2019

View procedures Search procedure (No.: 2)
Criterion	Field	Content Close details
Type of procedure	VART	Search procedure
Legal/procedural status	VST	Request for search effectively filed
Date of legal/procedural status	VSTT	Jun 13, 2019
Third party request		No
Date of receipt	AEGT	Jun 13, 2019

View procedures Procedure relating to PCT application (No.: 3)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to PCT application
Legal/procedural status	VST	WO first publication with search report
Date of legal/procedural status	VSTT	Dec 19, 2019

View procedures Procedure relating to PCT application (No.: 4)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to PCT application
Legal/procedural status	VST	Ceased to have effect for DE
Date of legal/procedural status	VSTT	Dec 15, 2020
Date of update of the procedure	REGT	Jan 13, 2021