Resources Contact Us Home
N.V. Hollandse Signaalapparaten Patents
N.V. Hollandse Signaalapparaten
Hengelo, NL
No. of patents:

Patent Number Title Of Patent Date Issued
4188628 Frequency measuring circuit in a passive radar receiver February 12, 1980
Passive frequency measuring circuit comprising a number of frequency discriminators to obtain a digital code representing the frequency of an applied r.f. signal. Each discriminator is tuned to different frequency ranges, and provided with a plurality of similar frequency analysers for
4188584 Mixer February 12, 1980
A mixer is provided with a first waveguide part for the transmission of an input signal to be converted to a lower frequency band and with a second waveguide part for the transmission of a signal supplied by a local oscillator. The first and second waveguide parts open into a cavity
3960635 Method for the fabrication of printed circuits June 1, 1976
With a method for the fabrication of multilayers a laminate is obtained by the stacking of layers, which are formed by a carrier provided with a conductor pattern and interleaved by adhesive layers. The laminate is subjected to a process which is carried out in at least three phases: in

  Recently Added Patents
Measurement of an analyte on the skin using a hue angle
Exposure method, exposure apparatus, and method for producing device
Biphotonic photosensitizers, nanoparticles containing the same and their use as drugs
Light transformation particle and photobioreactor
Virtual links in a routed ethernet mesh network
Method and device for peer arrangement in single substream upload P2P overlay networks
Solar cell using polymer-dispersed liquid crystals
  Randomly Featured Patents
Electrical switching apparatus and tool therefor
Headwear piece
Integrated circuit packaging system with flipchip leadframe and method of manufacture thereof
Trash container
Generation of virus-like particles and use as panfilovirus vaccine
Membranes comprising aminoacid salts in polyamine polymers and blends
Intake manifold for motorcycle engine
Geodetic total station which can be extended in a modular manner
Communication cartridge for electronic game machine
Semiconductor having an improved electrode pad