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WANDEL & GOLTERMANN

Overview
  • Total Patents
    386
About

WANDEL & GOLTERMANN has a total of 386 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Germany, United States and United Kingdom. Its main competitors in its focus markets measurement, basic communication technologies and telecommunications are ANRITSU CO, TAN KAN and SHENZHEN SUNYIELD TECH CO LTD.

Patent filings per year

Chart showing WANDEL & GOLTERMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harzer Peter 13
#2 Zabel Bernd 10
#3 Harzer Peter Dipl Ing 9
#4 Harzer Peter Dipl-Ing 9
#5 Hoffmann Dr-Ing Guenther 8
#6 Bayer Herbert 8
#7 Dick Dipl-Ing Rudolf 7
#8 Hoffmann Guenther Dr Ing 6
#9 Hoffmann Gunther 6
#10 Hoffmann Guenther Dr-Ing 6

Latest patents

Publication Filing date Title
DE19942276A1 Prism for optical spectrum analyzer
DE19931888A1 Electrical measuring device with removable control unit
WO9957842A1 Jitter measurement
EP0980151A1 Method for measuring attenuation in digital transmission lines
DE19546455C1 Electrical line length measuring method
DE19536948A1 Battery-operated field strength measuring device and method for zeroing the device
DE19514007C1 Anti-distortion method for analogue=digital converters
US5430746A Method of and circuitry for detecting synchronism failure of two word sequences
DE4307817C1 Measuring method and measuring device for measuring an RMS value
EP0563511A2 Decoder for data-streams in a synchronous digital hierarchical system
DE4243481C1 Wideband rectifier with lower cut=off frequency of several hundred Megahertz - has feedback circuit consisting of two series diodes between output and inverting input of operational amplifier, and adjustment resistor between diodes and non-inverting input
DE4239215A1 Averaging and data compression methods for measuring instruments
EP0508070A2 Method and device for recognizing loss of synchronization between two streams of words of a reference signal and a measure signal
DE4129353A1 CALIBRATION LINE TO REALIZE ADJUSTABLE GROUP RUNNING TIMES
GB9116604D0 An optical reflection normal
DE4041851A1 Measuring power of optical beam using quartz oscillator to measure temp. - determining difference in reactance between temp.-measuring quartz exposed to light beam and quartz not exposed to light beam
DE4019853A1 Semiconductor photodiode with anti-reflective coating
DE4011462A1 Connector for optical measuring devices
DE4009160A1 Optical measuring device for a multimode fiber
EP0393351A2 Method and circuit for determing cell dropping and/or insertion during transmission of cell-structured signals via a cell-oriented transmission system