NORTHERN TELECOM INC.

Patent Owner

Compare Create Portfolio

Stats

Details

Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
H04B TRANSMISSION 6174
 
 
 
H01S DEVICES USING STIMULATED EMISSION292
 
 
 
H04J MULTIPLEX COMMUNICATION 2113
 
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 193
 
 
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 183
 
 
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION155
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1210

Top Patents (by citation)

Upgrade to the Premium Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6,275,486 Adaptive resource allocation scheme for a fixed wireless access communications systemJan 28, 97Aug 14, 01[H04B]
6,198,734 Adaptive radio communications systemJan 29, 97Mar 06, 01[H04B]
5,969,840 Optical element power controlSep 18, 96Oct 19, 99[H01S]
5,949,560 Optical transmission systemFeb 05, 97Sep 07, 99[H04B]
5,832,032 Interference reduction in telecommunications systemsOct 28, 96Nov 03, 98[H04K]
5,826,181 Radio frequency noise reduction arrangementOct 10, 96Oct 20, 98[H04B]
5,777,773 Optical frequency control system and methodOct 31, 96Jul 07, 98[H04B]
5,715,265 Dispersion compensationSep 13, 96Feb 03, 98[H01S]
5,579,301 System for, and method of, managing voice congestion in a network environmentFeb 28, 94Nov 26, 96[H04J]
5,511,074 Voice/fax digitizing rate negotiation for switched connection in a network environmentMar 09, 94Apr 23, 96[H04L, H04J, H04B]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2001/0012,764 FIXED WIRELESS ACCESS CHANNEL RADIO COMMUNICATION SYSTEMJan 29, 97Aug 09, 01[H04M]
5,950,231 Memory manager systemNov 25, 96Sep 07, 99[G06F]
5,939,924 Integrating circuit having high time constant, low bandwidth feedback loop arrangementsOct 11, 96Aug 17, 99[H03K]
5,930,310 Interference reduction scheme and methodOct 25, 96Jul 27, 99[H03D]
5,930,714 CDMA inter-mobile switching center soft hand-offOct 24, 96Jul 27, 99[H04Q, H04B]
5,187,591 System for transmitting and receiving aural information and modulated dataJan 24, 91Feb 16, 93[H04N]
4,571,013 Connector for cable shieldsSep 30, 83Feb 18, 86[H01R]
4,533,864 Test instrument with flexibly connected headApr 21, 83Aug 06, 85[G01R]
4,514,774 Method and an apparatus for extracting tape from a tape cartridge of the internal belt-drive typeJun 30, 82Apr 30, 85[G11B]
4,511,936 Switch and optical sensor assembly for recorderMay 24, 82Apr 16, 85[G11B]
4,491,695 Mounting for a dial in a telephone set baseApr 20, 83Jan 01, 85[H04M]
D276429 Combined printed circuit board carrier and component trayDec 11, 81Nov 20, 84[]
4,443,758 Meter to printer coupling circuitApr 10, 81Apr 17, 84[G01R]
4,441,647 Resoldering tool for ceramic substrate hybrid electronic circuitsJun 04, 82Apr 10, 84[B23K]
4,425,524 Piezoelectric switch using piezoceramic bending elements, and in particular a relay utilizing such elementsAug 27, 82Jan 10, 84[H01H]
4,414,426 Aerial cable terminalOct 09, 81Nov 08, 83[H01R, H02G]
4,414,589 Embedded servo track following system and method for writing servo tracksDec 14, 81Nov 08, 83[G11B]
D271217 Combined copy stand and electronic interface deviceJun 15, 81Nov 01, 83[D190]
4,405,967 Gas tube overvoltage protector with back-up gapDec 04, 81Sep 20, 83[H02H]
4,398,166 Compensator for CRT deflection yokes and the likeJun 01, 81Aug 09, 83[H01F]

View all patents..

Top Inventors for This Owner

Upgrade to the Premium Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.