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EP0390562
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EP About this file: EP0390562
| EP0390562 - Driver circuit for providing pulses having clean edges [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 21.11.1997 Database last updated on 02.11.2024 | Most recent event Tooltip | 15.08.2008 | Change - applicant | published on 17.09.2008 [2008/38] | Applicant(s) | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto, CA 94304-1112 / US | [N/P] |
| Former [2008/38] | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto CA 94304-1112 / US | ||
| Former [1991/02] | For all designated states Hewlett-Packard Company Mail Stop 20 B-O, 3000 Hanover Street Palo Alto, California 94304 / US | ||
| Former [1990/40] | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto California 94304 / US | Inventor(s) | 01 /
Chism, Wayne R. 4835 West Seventh Street Greeley, Colorado 80634 / US | 02 /
King, Philip N. 1701 Rushwood Court Fort Collins, Colorado 80525 / US | [1990/40] | Representative(s) | Colgan, Stephen James, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | [N/P] |
| Former [1990/40] | Colgan, Stephen James, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | Application number, filing date | 90303367.8 | 29.03.1990 | [1990/40] | Priority number, date | US19890332243 | 31.03.1989 Original published format: US 332243 | [1990/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0390562 | Date: | 03.10.1990 | Language: | EN | [1990/40] | Type: | A3 Search report | No.: | EP0390562 | Date: | 04.03.1992 | Language: | EN | [1992/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.01.1992 | Classification | IPC: | H03K4/00, H03K6/04, G01R31/318 | [1990/40] | CPC: |
G01R31/31924 (EP,US);
H03K5/12 (EP,US)
| Designated contracting states | DE, FR, GB [1990/40] | Title | German: | Treiberschaltung zur Lieferung von Impulsen mit glatten Flanken | [1990/40] | English: | Driver circuit for providing pulses having clean edges | [1990/40] | French: | Circuit d'attaque pour fournir des impulsions aux flancs lisses | [1990/40] | Examination procedure | 13.08.1992 | Examination requested [1992/42] | 30.06.1995 | Despatch of a communication from the examining division (Time limit: M04) | 02.11.1995 | Reply to a communication from the examining division | 14.05.1996 | Despatch of a communication from the examining division (Time limit: M04) | 13.09.1996 | Reply to a communication from the examining division | 06.11.1997 | Application withdrawn by applicant [1998/02] | Fees paid | Renewal fee | 25.02.1992 | Renewal fee patent year 03 | 26.02.1993 | Renewal fee patent year 04 | 24.02.1994 | Renewal fee patent year 05 | 20.02.1995 | Renewal fee patent year 06 | 26.02.1996 | Renewal fee patent year 07 | 24.02.1997 | Renewal fee patent year 08 |
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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 | [A]GB2129571 (TEKTRONIX INC); | [A]GB2100448 (ZEHNTEL INC) | [A] - INTERNATIONAL TEST CONFERENCE 1986 PROCEEDINGS - TESTING'S IMPACT ON DESIGN & TECHNOLOGY 8-11 September 1986, pages 808-818; A. MOSTACCIUOLO: "Transmission problems encountered when testing memory devices in parallel on memory ate" | [A] - WESCON CONFERENCE RECORD vol. 25, September 1981, pages 1-7(18/1), El Sequndo, CA, US; T. BALPH: "Implementing High Speed Logic on Printed Circuit Boards" | [A] - ELECTRONIC ENGINEERING October 1980, pages 41,44,46,50,52; "ECL for the TTL designer" |