LABORATOIRE EUROPEEN DE RECHERCHES ELECTRONIQUES AVANCEES

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
H04J MULTIPLEX COMMUNICATION 1124
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5371494 Method for optimizing the transmission of authorization of access to a network comprising open channelsApr 11, 94Dec 06, 94[H04Q, G05B, H04J]
5255098 Process for the insertion of a supplementary video information set outside a main imageJun 04, 92Oct 19, 93[H04N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5451983 Cumputer accessory exhibiting a common input for two separate auxilliary inputExpiredSep 13, 93Sep 19, 95[G09G]
5383179 Message routing method in a system having several different transmission channelsExpiredJul 12, 93Jan 17, 95[H04L]
5222086 Method for the linking of data during the recording of encoded data on a recordable type optical diskExpiredDec 05, 90Jun 22, 93[G06F]
5208856 Scrambling and unscrambling method for composite video signals and implementing deviceExpiredDec 23, 91May 04, 93[H04N]
5204898 Method of protection against the unauthorized unscrambling of scrambled television broadcasts, and implementation methodExpiredJul 23, 91Apr 20, 93[H04N]
5179710 Interface for amplifying logic signal from a signal line having a predetermined logic state to supply power to peripheral deviceExpiredMar 13, 92Jan 12, 93[G06F]
5177485 Method of scrambling PAL, SECAM and NTSC composite video signals and decoder of signals scrambled by this methodExpiredJul 30, 91Jan 05, 93[H04N]
5172109 Method of registering a unit in a network at least one part of which is constituted from an open channelExpiredAug 15, 90Dec 15, 92[H04L]
5138448 Device for conversion of frame frequency and number of lines for a high-definition television receiverExpiredAug 20, 90Aug 11, 92[H04N]

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