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EP0643320
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EP About this file: EP0643320
| EP0643320 - Polarization-insensitive optical four-photon mixer [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 29.08.1997 Database last updated on 24.07.2024 | Most recent event Tooltip | 29.08.1997 | Withdrawal of application | published on 15.10.1997 [1997/42] | Applicant(s) | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | For all designated states SIEMENS AKTIENGESELLSCHAFT Werner-von-Siemens-Str. 1 DE-80333 München / DE | [N/P] |
| Former [1995/11] | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | ||
| For all designated states SIEMENS AKTIENGESELLSCHAFT Wittelsbacherplatz 2 D-80333 München / DE | Inventor(s) | 01 /
Kurtzke, Christian 113 Hazlet Avenue Hazlet, New Jersey 07730 / US | 02 /
Wiesenfeld, Jay M. 15 Oak Street Lincroft, New Jersey 07738 / US | [1995/11] | Representative(s) | Watts, Christopher Malcolm Kelway, et al Lucent Technologies (UK) Ltd, 5 Mornington Road Woodford Green Essex, IG8 0TU / GB | [N/P] |
| Former [1995/11] | Watts, Christopher Malcolm Kelway, Dr., et al AT&T (UK) Ltd. 5, Mornington Road Woodford Green Essex, IG8 0TU / GB | Application number, filing date | 94306420.4 | 31.08.1994 | [1995/11] | Priority number, date | US19930120013 | 10.09.1993 Original published format: US 120013 | [1995/11] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0643320 | Date: | 15.03.1995 | Language: | EN | [1995/11] | Type: | A3 Search report | No.: | EP0643320 | Date: | 28.02.1996 | [1996/09] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.01.1996 | Classification | IPC: | G02F1/35, H04B10/18 | [1995/11] | CPC: |
H04B10/2531 (EP,US);
G02F1/3538 (EP,US);
H04B10/2563 (EP,US);
H01S5/026 (EP,US);
H01S5/50 (EP,US);
H01S5/509 (EP,US)
| Designated contracting states | DE, DK, ES, FR, GB, GR, IT [1995/11] | Title | German: | Polarisationsunempfindlicher Vierwellenmischer | [1995/11] | English: | Polarization-insensitive optical four-photon mixer | [1995/11] | French: | Mélangeur de quatre ondes indépendent de la polarisation | [1995/11] | Examination procedure | 19.08.1996 | Examination requested [1996/43] | 23.08.1997 | Application withdrawn by applicant [1997/42] | Fees paid | Renewal fee | 19.08.1996 | Renewal fee patent year 03 | 13.08.1997 | Renewal fee patent year 04 |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 | [A]EP0445943 (AMERICAN TELEPHONE & TELEGRAPH [US]) [A] 1 * claim 1 *; | [A]EP0500357 (NEC CORP [JP]) [A] 1* abstract *; | [A] - HASEGAWA T ET AL, "POLARIZATION INDEPENDENT FREQUENCY CONVERSION BY FIBER FOUR-WAVE MIXING WITH A POLARIZATION DIVERSITY TECHNIQUE", IEEE PHOTONICS TECHNOLOGY LETTERS, (19930801), vol. 5, no. 8, pages 947 - 949, XP000399656 [A] 1,15 * the whole document * DOI: http://dx.doi.org/10.1109/68.238264 | [PA] - INOUE K ET AL, "MULTICHANNEL FREQUENCY CONVERSION EXPERIMENT USING FIBRE FOUR-WAVE MIXING", ELECTRONICS LETTERS, (19930917), vol. 29, no. 19, pages 1708 - 1710, XP000397012 [PA] 1,11,15 * the whole document * | [A] - G.GROSSKOPF ET AL., "Optical amplifier configurations with low polarisation sensitivity", ELECTRONICS LETTERS, STEVENAGE GB, (19871203), vol. 23, no. 25, pages 1387 - 1388 [A] 1 * table 1 * |