Electronics unit for wireless transfer of signals

Details Electronics unit for wireless transfer of signals Electronics unit for wireless transfer of signals

1998-01-02

2001-09-04

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S853000, C343S893000

Reexamination Certificate

active

06285322

ABSTRACT:

TECHNICAL FIELD
The present invention relates to an electronics unit for wireless transfer of signals, which comprises an antenna part, transmission circuits and an electronics part. The unit is based on a laminate with a substrate layer of a dielectric material.
BACKGROUND OF THE INVENTION
When transferring signals by means of electromagnetic waves at high frequencies, to be more exact within the microwave area, microstrip technology is used both for the antenna part and the electronics part. Microstrip technology is a microwave technology which is based on laminates of two electrically conducting layers, and an intermediate dielectric layer. This dielectric layer is also called substrate, and serves not only as an isolating layer, but also as mechanical support for the electrically conducting layers. Previously known electronics units for the transfer of signals within a large angle divided into sectors consist of a separate electronics part and a separate antenna part, between which there are transmission circuits in the form of conventional cables. These are connected to each part by means of soldering or connectors. This previously known technology is expensive, and demands a great deal of space, and can cause interruptions in operation due to manufacturing errors, ageing, etc.
SUMMARY OF THE INVENTION
The object of the present invention is to obtain an electronics unit which is simple, cost efficient, saves space and provides good characteristics, since the invention solves the interface problems between the antenna part and the electronics part.
The said object is achieved by means of an electronics unit according to the present invention. This is characterized by a construction with substrate layers which are divided into three continuous sections, which are a first section which is part of the electronics part, a second section which forms the substrate in the antenna part, and a third section which supports the transmission circuits. The substrate extends continuously between the three sections, and is made of a flexible material, and is in the third section bent to a curved form. Its convex surface supports radiation elements, the beams of which, due to the bent surface, point in different directions.
Due to the construction according to the invention, an integrated unit is obtained with one and the same construction, and without intermediate organs such as solderings or connectors.


REFERENCES:
patent: 5572172 (1996-11-01), Standke et al.
patent: 5818390 (1998-10-01), Hill
patent: 5838285 (1998-11-01), Tay et al.
patent: 5907305 (1999-05-01), Epp et al.
patent: 0 492 010 (1990-12-01), None
patent: 2 248 344 (1990-09-01), None
patent: 08204432 (1996-08-01), None
patent: 94/28595 (1994-12-01), None

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