ES1069118U - Case for a radar detector device (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Housing for a radar detector device characterized in that it is formed by one or several pieces, where at least one of them incorporates a step (1.1, 2.1) that defines a labyrinth that prevents the output of energy in the form of radiofrequency to the outside of the same. (Machine-translation by Google Translate, not legally binding)

Description

Housing for a detector device radar

Object of the invention

The present invention aims at a housing for a radar detection device that prevents the exit radio frequency from the local oscillator and frequencies internal intermediates towards the outside of the device, with reason to avoid detection of the device by other receivers aimed at it.

Due to its special configuration, the housing prevents leakage of radio frequency outside even at the exit of the receiving antenna and between the joining areas of the pieces that make up the housing.

Background of the invention

They are well known in the state of technical supports for radar detectors from which installed in vehicles such as cars and that comprise a housing, preferably plastic, prismatic, of reduced height, quadrangular and hollow base, to install in your Inside the display of a radar detector.

Among the above is the Model of Spanish utility with publication number ES1046079U where the display connects to the antenna and a power supply external through connectors that access the inside of the housing of the antenna through recesses to the effect located on the face later of it.

However, these recesses, and the own antenna cause an energy leak in the spectrum of the radiofrequency towards the outside of the device, so that facilitates the detection of the radar detector device by of other receivers whose mission is to detect it.

The present invention provides a housing for a radar detector device that exceeds all previous inconveniences

Description of the invention

The present invention relates to a housing for a radar detector device that prevents the exit of radio frequency from the local oscillator and frequencies internal intermediates to the outside of the device, to avoid device detection by other receivers aimed at it.

For this, the housing is formed by one or several pieces where at least one of them incorporates a step that defines a maze that prevents the exit of energy in the form of radio frequency outside it.

The housing incorporates a surface treatment conductor and an electrical conductor adhesive between both pieces of the housing that also prevents the possibility of leakage of the energy in the form of radiofrequency.

The housing has a bugle antenna that  places between the input of the signal to the receiver circuit and the outside, in order to receive the radar signal to be detected.

Also, the housing includes a waveguide between  the antenna and receiver to prevent the passage of any lower frequency than the detector is designed.

Inside the waveguide a filter is included band that allows the entrance to the receiver of the frequencies that they have to be detected in the detector without attenuation, and that prevents radio frequency output to the outside coming from the opening of the antenna.

Description of the drawings

This descriptive report is complemented, with a set of drawings, illustrative of the preferred example and never limiting the invention.

Figure 1 shows a perspective view exploded housing of the present invention.

Figure 2 shows an elevation view sectioned at the top, and in perspective at the part bottom, of the lower part of the housing.

Preferred Embodiment of the Invention

In view of the foregoing, the The present invention relates to a housing for a device radar detector consisting of two pieces, one piece (1) upper and a lower part (2) that incorporate two steps (1.1, 2.1) that define a labyrinth that prevents the output of energy in the form of radiofrequency outside of it.

The housing incorporates a surface treatment conductor and an electrical conductor adhesive between both pieces of the housing that also prevents the possibility of leakage of the energy in the form of radiofrequency.

The housing has a bugle antenna (3) which is located between the signal input to the circuit (4) of the detector and steps (1.1, 1.2), thereby increasing the power that reaches the circuit (4) of the detector located between both pieces (1, 2) of the housing.

The bugle antenna (3) has two sections (3.1) with different inclination that are present in the piece (2) bottom to generate a concentrated reception pattern and so increase its gain at the entrance to the circuit (3) of the detector.

Also, the housing includes a waveguide (5) between the antenna (3) and the receiver (4.1) of the circuit (4) of the detector to prevent the passage of any frequency lower than the that the detector circuit (4) is designed.

In this embodiment, the waveguide (5)  includes an iris bandpass filter, posts or plates, with double working frequency, which allows entry without attenuation radio frequency signal in the reception bands of the device (K bands: 24.125 GHz and Ka: 33.7-36 GHz), attenuating the rest of frequencies, especially those of the internal local oscillator and product mix with frequencies intermediate.

Also the housing includes a filter microstrip (in Spanish microband), stripline (in Spanish line flat) or LC (not shown) on the connection cables to the console control, to avoid the radiofrequency output conducted by said cables.

They do not alter the essentiality of this invention variations in materials, shape, size and arrangement of component elements, described in a non-limiting manner, sufficient this one to proceed to its reproduction by an expert.

Claims (8)

1. Housing for a radar detector device characterized in that it is formed by one or several pieces, where at least one of them incorporates a step (1.1, 2.1) that defines a labyrinth that prevents the output of energy in the form of radiofrequency outside of the same. 2. Housing for a radar detector device according to claim 1 characterized in that it is formed by two pieces, an upper part (1) and a lower part (2). 3. Housing for a radar detector device according to claim 2 characterized in that it has a bugle antenna (3) that is located between the signal input to the detector circuit (4) and the step (1.1, 1.2), with which increases the power that reaches the circuit (4) of the detector located between both pieces (1, 2) of the housing. 4. Housing for a radar detector device according to claim 2 characterized in that the housing incorporates a conductive surface treatment and an electrical conductive adhesive between both parts (1, 2) of the housing that also prevents the possibility of energy leakage in form of radio frequency. 5. Housing for a radar detector device according to claim 3 characterized in that the bugle antenna (3) has two sections (3.1) with different inclination that are present in the lower part (2) to generate a concentrated reception pattern and thus increase its gain at the entrance to the circuit (3) of the detector. 6. Housing for a radar detector device according to claim 3 characterized in that it includes a waveguide (5) between the antenna (3) and the receiver (4.1) of the detector circuit (4) to prevent the passage of any frequency lower than that The detector circuit (4) is designed. 7. Housing for a radar detector device according to claim 6, characterized in that the waveguide (5) includes an iris, band or foil type passband filter, with double working frequency, which allows the radio frequency signal input to the bands without attenuation of reception of the device (bands K: 24.125 GHz and Ka: 33.7-36 GHz), attenuating the rest of frequencies, especially those of the internal local oscillator and the product of mixing with the intermediate frequencies. 8. Housing for a radar detector device according to claim 1 characterized in that it includes a microstrip filter (in Spanish microband), stripline (in Spanish flat line) or LC in the connection cables to the control console, to prevent the output of radio frequency conducted by said cables.