Heinrich Hertz Institut fuer Nachrichtentechnik Berlin GmbH
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 22, 2005 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 746 Total Citation Count
- Feb 22, 1979 Earliest Filing
- 16 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6870965 Texture description method and texture-based image retrieval method using Gabor filter in frequency domainDec 04, 00Mar 22, 05[G06K]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5185645 Measurement method for the determination of low levels of optical absorptionExpiredFeb 21, 91Feb 09, 93[G01N]
5083199 Autostereoscopic viewing device for creating three-dimensional perception of imagesExpiredJun 18, 90Jan 21, 92[H04N]
4954896 Electronic projector system such as a high definition television (HDTV) projection television system or the like having a fluid therein with increased resistance to damage from projection system radiationExpiredFeb 01, 90Sep 04, 90[H04M]
4351049 Circuit arrangement for user stations in a communications networkExpiredNov 08, 79Sep 21, 82[H04Q, H04J]
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