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1. WO1999004286 - ACCESSOIRE DE SALLE DE BAIN UTILISANT UN DETECTEUR RADAR COMPORTANT UNE LIGNE DE TRANSMISSION A FUITES POUR REGULER L'ECOULEMENT DE LIQUIDE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

What is claimed is:
1. A bathroom fixture, comprising:
a fluid conduit;
a radar detector for detecting one or more characteristics of one or more objects in a sensor field based on reflected electromagnetic signals from the one or more objects in the sensor field, the radar detector including a leaky transmission line for transmitting electromagnetic signals to form the sensor field and receiving the reflected electromagnetic signals; and
a controller coupled to the fluid conduit for controlling a flow of fluid in the fluid conduit in response to the detected one or more characteristics.

2. The bathroom fixture of claim 1 , wherein the leaky transmission line is disposed in an approach path to the bathroom fixture.

3. The bathroom fixture of claim 1 , wherein the sensor field is restricted from a selected area.

4. The bathroom fixture of claim 3, wherein the selected area is an area associated with spurious signals.

5. The bathroom fixture of claim 4, wherein the bathroom fixture is a sink and the selected area is a space in which water flows.

6. The bathroom fixture of claim 4, wherein the selected area is an area associated with a different fixture.

7. The bathroom fixture of claim 1 , further including a housing, wherein the leaky transmission line is encased by the housing.

8. The bathroom fixture of claim 1 , wherein the one or more characteristics includes a presence of an object.

9. The bathroom fixture of claim 1, wherein the one or more characteristics includes movement of an object.

10. The bathroom fixture of claim 1, wherein the one or more characteristics includes movement direction of an object.

11. The bathroom fixture of claim 1 , wherein the one or more characteristics includes entry and exit of an object.

12. The bathroom fixture of claim 1 , wherein the one or more objects includes a person.

13. A bathroom fixture for use in a bathroom, comprising:
a fluid conduit;
a radar detector including:
a transmitter for generating electromagnetic signals;
a receiver for receiving reflections of the electromagnetic signals;
a leaky transmission line, coupled between the transmitter and receiver, for transmitting the electromagnetic signals to form a sensor field restricted from one or more areas associated with spurious signals associated with the bathroom and receiving reflections of the electromagnetic signals from interaction between the electromagnetic signals and one or more objects in the sensor field; and
a detection system, coupled to the receiver, for detecting one or more characteristics of the one or more objects using the reflections received by the receiver and generating an output signal; and
a controller coupled to the fluid conduit for controlling a flow of fluid in the fluid conduit in response to the detection system output signal.

14. The bathroom fixture of claim 13, further including shielding disposed about the leaky transmission line for restricting the sensor field from the one or more areas.

15. The bathroom fixture of claim 14, wherein the bathroom fixture is a sink and the one or more areas includes a space in which fluid flows.

16. The bathroom fixture of claim 13, wherein the electromagnetic signals generated by the transmitter restrict the sensor field from the one or more areas.

17. A method of controlling fluid flow of a bathroom fixture using a radar detector having a leaky transmission line, comprising:
transmitting electromagnetic signals to form a sensor field using a leaky transmission line;
receiving, with the leaky transmission line, reflections of the electromagnetic signals from interaction between the electromagnetic signals and one or more objects in the sensor field;
detecting one or more characteristics of the one or more objects using the reflections received by the leaky transmission line; and
controlling fluid flow in a fluid conduit of the bathroom fixture based on the detected one or more characteristics.

18. The method of claim 17, further including restricting the sensor field from one or more areas associated with spurious signals associated with a bathroom.

19. A device for controlling fluid flow in a bathroom fixture having a fluid conduit, comprising:
a radar detector for detecting one or more characteristics of one or more objects in a sensor field based on reflected electromagnetic signals from the one or more objects in the sensor field, the radar detector including a leaky transmission line for transmitting electromagnetic signals to form the sensor field and receiving the reflected electromagnetic signals; and a controller coupled to the fluid conduit for controlling a flow of fluid in the fluid conduit in response to the detected one or more characteristics.

20. The device of claim 19, wherein the sensor field is restricted from one or more areas associated with spurious signals.