GEC-Marconi Electronic Systems Corp.
Patent Owner
Stats
- 9 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 11, 1998 most recent publication
Details
- 9 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 374 Total Citation Count
- May 16, 1988 Earliest Filing
- 13 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5793330 Interleaved planar array antenna system providing opposite circular polarizationsNov 20, 96Aug 11, 98[H01Q]
5333002 Full aperture interleaved space duplexed beamshaped microstrip antenna systemMay 14, 93Jul 26, 94[H01Q]
5220456 Mirror positioning assembly for stabilizing the line-of-sight in a two-axis line-of-sight pointing systemDec 06, 91Jun 15, 93[G02B]
5203220 Optical tracking and stabilizing system with a gimbal mounted mirror for establishing a line of sightMay 26, 92Apr 20, 93[G01C]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5196397 High temperature superconducting ceramic copper oxide perovskite with enhanced upper critical field (H.sub.c2)ExpiredNov 12, 91Mar 23, 93[B05D, H01B]
5132527 Compensation arrangement for opto-electronic reference generatorExpiredMay 30, 91Jul 21, 92[G01J]
5093310 Method of enhancing the upper critical field (HC.sub.2) in high temperature superconducting ceramic copper oxide perovskitesExpiredJan 30, 91Mar 03, 92[B05D]
4998079 Bi-directional signal coupler for a balanced data transmission lineExpiredJan 16, 90Mar 05, 91[H03H]
4964028 Current limited quasi-resonant voltage converting power supplyExpiredOct 26, 89Oct 16, 90[H02M]
4937845 Fast library element gray code generators without feedback and feedforward networksExpiredAug 01, 88Jun 26, 90[H03K, H03M]
4897620 Continuous phase shift modulation system with improved spectrum controlExpiredMar 06, 89Jan 30, 90[H04L]
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