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Extract from the Register of European Patents

EP About this file: EP0545077

EP0545077 - Device for generating a pulse-width modulated signal [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.11.2001
Database last updated on 22.08.2024
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
ROBERT BOSCH GMBH
Postfach 30 02 20
70442 Stuttgart / DE
[2001/01]
Former [1993/23]For all designated states
ROBERT BOSCH GMBH
Postfach 30 02 20
D-70442 Stuttgart / DE
Inventor(s)01 / Peter, Cornelius, Dipl.-Ing.
Burg Windeck Strasse 35
W-7583 Ottersweiher / DE
02 / Voehringer, Klaus, Dipl.-Ing.
Berliner Strasse 10
W-7502 Malsch / DE
03 / Spinner, Klaus
Obere Windeckstrasse 13
W-7580 Buehl-Neusatz / DE
[1993/23]
Application number, filing date92118670.631.10.1992
[1993/23]
Priority number, dateDE1991414029006.12.1991         Original published format: DE 4140290
[1993/23]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0545077
Date:09.06.1993
Language:DE
[1993/23]
Type: A3 Search report 
No.:EP0545077
Date:27.04.1994
Language:DE
[1994/17]
Type: B1 Patent specification 
No.:EP0545077
Date:03.01.2001
Language:DE
[2001/01]
Search report(s)(Supplementary) European search report - dispatched on:EP10.03.1994
ClassificationIPC:H03K7/08
[1993/23]
CPC:
H03K7/08 (EP)
Designated contracting statesDE,   ES,   FR,   GB,   IT [1993/23]
TitleGerman:Vorrichtung zum Erzeugen eines impulsbreitenmodulierten Signals[1993/23]
English:Device for generating a pulse-width modulated signal[1993/23]
French:Dispositif de génération d'un signal modulé en largeur d'impulsion[1993/23]
Examination procedure27.10.1994Examination requested  [1994/51]
23.06.1995Despatch of a communication from the examining division (Time limit: M04)
27.10.1995Reply to a communication from the examining division
18.12.1995Despatch of communication that the application is refused, reason: substantive examination {1}
23.03.1998Despatch of a communication from the examining division (Time limit: M04)
10.07.1998Reply to a communication from the examining division
25.11.1998Despatch of a communication from the examining division (Time limit: M04)
27.01.1999Reply to a communication from the examining division
24.03.2000Despatch of communication of intention to grant (Approval: Yes)
23.05.2000Communication of intention to grant the patent
04.09.2000Fee for grant paid
04.09.2000Fee for publishing/printing paid
Appeal following examination17.02.1996Appeal received No.  T0228/96
17.02.1996Statement of grounds filed
03.02.1998Result of appeal procedure: continuation of examination procedure
Opposition(s)05.10.2001No opposition filed within time limit [2002/01]
Fees paidRenewal fee
31.10.1994Renewal fee patent year 03
31.10.1995Renewal fee patent year 04
31.10.1996Renewal fee patent year 05
31.10.1997Renewal fee patent year 06
02.11.1998Renewal fee patent year 07
02.11.1999Renewal fee patent year 08
31.10.2000Renewal fee patent year 09
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[X]US4847695  (ARAI HITOSHI [JP]) [X] 1-8 * abstract * * column 3, line 21 - column 8, line 9 * * figures 1,6 *;
 [A]US5063489  (INABA KATSUHIKO [JP]) [A] 1 * column W *;
 [A]US4585960  (CANN ALFRED J [US]) [A] 3-5 * column W *;
 [A]US4891828  (KAWAZOE AKIO [JP]) [A] 7 * column A; figure 1 *;
 [A]FR2662315  (AKO WERKE GMBH & CO [DE])
ExaminationDE3216633
 US4656460
    - U.TIETZE & Ch.SCHENK. "Halbleiter-Schaltungstechnik", 1980, Springer Verlag, Berlin, Heidelberg, New York; Seiten 446 und 447
    - O.MACEK, "Schaltnetzteile: Motorsteuerung und ihre speziellen Bauteile", 1982, Dr.Alfred Hüthig Verlag GmbH, Heidelberg, DE; Seiten 117-125
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.