KONINKLIJKE PTT NEDERLAND N.V.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 7203
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 5106
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 5237
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 4281
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 3195
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H04J MULTIPLEX COMMUNICATION 2123
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 129
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1104

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6115937 Removing moisture from hollow guiding membersMar 11, 96Sep 12, 00[F26B]
6064858 Ground-station system, ground station, device, methodNov 13, 97May 16, 00[H04B]
6064946 Signal quality determining device and methodSep 05, 97May 16, 00[G01C]
6064966 Signal quality determining device and methodSep 05, 97May 16, 00[G10L]
6061664 System for facilitating the ordering and paying of services by means of a communication networkOct 09, 96May 09, 00[H04M]
6041294 Signal quality determining device and methodSep 05, 97Mar 21, 00[G01L, H04B]
5991338 Pinpointing interruptionsOct 14, 97Nov 23, 99[H04B, G01R]
5986591 Context tree algorithm method and systemJan 21, 98Nov 16, 99[H03M]
5974035 Telecommunication system, and data-packets switch, and methodDec 19, 96Oct 26, 99[H04L]
5969630 Method for the deregistration of a user registered at a terminal via registration data, and also telecommunications systemFeb 14, 97Oct 19, 99[G05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
RE37067 Chip card based payment system having an on-card flag for specifying proper completion of a prior card balance replenishment sessionExpiredJun 03, 99Feb 27, 01[G06K]
6169908 Telecommunication systemExpiredMar 20, 98Jan 02, 01[H04M, H04Q, H04B]
6080064 Device for playing games via a communications network, and a game system using a communications networkExpiredApr 24, 97Jun 27, 00[A63F]
6062472 System and method for increasing a value of an electronic payment card including performing a restore transaction in response to interruption of a value increase transactionExpiredNov 18, 97May 16, 00[G06K]
5922216 Method for manufacturing sharp waveguide branches in integrated optical circuitsExpiredNov 19, 96Jul 13, 99[H01L, G02B, C23F, B44E]
5864308 System, coding section, arrangement, coding apparatus, and methodExpiredJun 30, 97Jan 26, 99[H03M]
5818910 Telecommunication system, as well as a telecommunication exchange, as well as a methodExpiredNov 22, 95Oct 06, 98[H04M]
5790802 Method for exchanging a message between systems in which the message comprises an information element of first type and information element of second typeExpiredMar 29, 95Aug 04, 98[G06F]
5768346 Method for processing environment-dependent access numbers of voice mail boxes, and a system for voice mail having environment-dependent access numbersExpiredJun 21, 95Jun 16, 98[G06F]
5753898 Method for being capable of carrying out, with the same data carrier, various authentication processes, as well as systemExpiredAug 09, 96May 19, 98[G06F, H04K, G06K]
5745162 Telecommunication terminal having delayed activation, and a method for use thereinExpiredJan 03, 96Apr 28, 98[H04N]
5661469 Coupling device, system, and method for coupling a terminal to a generating deviceExpiredMar 29, 95Aug 26, 97[H04Q]
5655021 Method for checking data sequencesExpiredJul 20, 95Aug 05, 97[H04L, H04K]
5636268 Communication system with queuesExpiredJul 20, 95Jun 03, 97[H04M]
5603280 Boat Mooring apparatusExpiredDec 16, 94Feb 18, 97[B63B]
5574929 Processor circuit comprising a first processor, a memory and a peripheral circuit, and system comprising the processor circuit and a second processorExpiredJun 03, 94Nov 12, 96[G06F]
5570217 Positionally independent application of an OTDR technique based on correlation in a branched optical fibre network during operationExpiredOct 28, 94Oct 29, 96[H04B]
5561700 Device for measuring analog telephony signalsExpiredJun 16, 94Oct 01, 96[H04M]
5560031 Processor circuit comprising a first processor, and system comprising the processor circuit and a second processorExpiredJun 22, 94Sep 24, 96[G06F]
5557318 Method and apparatus for permitting a viewer to scan through a plurality of video signals provided by a transmitterExpiredJul 07, 95Sep 17, 96[H04N]

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