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
Agglutination judgment method
Etch resistant clearcoat
Electronic badge
Burner grate
Light emitting diode package and method of fabricating the same
MOS resistor apparatus and methods
Liquid crystal display device
  Randomly Featured Patents
Detecting device and connector module thereof
Insulation displacement connector terminal block
Small aperture interrogator antenna system employing sum difference azimuth discrimination techniques
Low power transmitter and receiver
Quick-set formation treating methods
Process for manufacturing novaloid fiber
Intramedullary medical device
Obstruction position detecting system with comparison and memory means
Process and apparatus for balancing a vehicle wheel
Method and apparatus for measuring the surface of an object