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EP0350155
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EP About this file: EP0350155
| EP0350155 - Gain cell with digital control [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 21.04.1993 Database last updated on 22.05.2024 | Most recent event Tooltip | 21.04.1993 | Withdrawal of application | published on 09.06.1993 [1993/23] | Applicant(s) | For all designated states TEKTRONIX INC. Howard Vollum Park 14150 S.W. Karl Braun Drive P.O.Box 500, Mail Stop 50-PAT Beaverton Oregon 97077-0001 / US | [N/P] |
| Former [1992/40] | For all designated states TEKTRONIX INC. Howard Vollum Park 14150 S.W. Karl Braun Drive P.O.Box 500, Mail Stop 50-PAT Beaverton Oregon 97077-0001 / US | ||
| Former [1990/02] | For all designated states TEKTRONIX, INC. Wilsonville Industrial Park, 26600 S.W. Parkway Avenue Wilsonville, Oregon 97070-1000 / US | Inventor(s) | 01 /
Bell, Marshall J. 1323 N.W. 28th Avenue Camas Washington 98607 / US | 02 /
Draper, Daniel S. 14385 N.W. Hunters Drive Beaverton Oregon 97006 / US | [1990/02] | Representative(s) | Wombwell, Francis, et al Forresters 15, Hamilton Square Birkenhead Merseyside CH41 6BR / GB | [N/P] |
| Former [1990/02] | Wombwell, Francis, et al Potts, Kerr & Co. 15, Hamilton Square Birkenhead Merseyside L41 6BR / GB | Application number, filing date | 89304834.8 | 12.05.1989 | [1990/02] | Priority number, date | US19880215964 | 07.07.1988 Original published format: US 215964 | [1990/02] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0350155 | Date: | 10.01.1990 | Language: | EN | [1990/02] | Type: | A3 Search report | No.: | EP0350155 | Date: | 27.12.1990 | Language: | EN | [1990/52] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.11.1990 | Classification | IPC: | H03G3/00, H03G1/00 | [1990/02] | CPC: |
H03G3/001 (EP,US);
H03G1/0023 (EP,US)
| Designated contracting states | DE, GB, NL [1990/02] | Title | German: | Digitale Verstärkungsregelungsstufe | [1990/02] | English: | Gain cell with digital control | [1990/02] | French: | Dispositif de contrôle de gain numérique | [1990/02] | File destroyed: | 12.06.1999 | Examination procedure | 17.05.1991 | Examination requested [1991/29] | 16.03.1993 | Application withdrawn by applicant [1993/23] | Fees paid | Renewal fee | 15.04.1991 | Renewal fee patent year 03 | 09.04.1992 | Renewal fee patent year 04 |
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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 | [AD]US4156283 (GILBERT BARRIE [US]) | [X] - IBM TECHNICAL DISCLOSURE BULLETIN, vol. 23, no. 10, March 1981, pages 4440-4441, New York, US; R.D. GILLINGHAM et al.: "Digitally controlled variable gain amplifier" |