Method and system for guiding a robotic garden tool to a predetermined position
First Claim
1. A method for guiding a robotic garden tool to a predetermined position, wherein the robotic garden tool comprising a control unit and at least one sensor unit for wirelessly detecting guiding signals, the method comprises the steps of:
- detecting a first guiding signal from a first signal source;
following the first guiding signal at a variable distance from the first signal source towards the predetermined position in response to a command from the control unit;
detecting a second guiding signal from a second signal source, wherein the second guiding signal is detected within a predetermined distance from the predetermined position; and
following one of the first and the second guiding signals at a pre-configured distance from the corresponding signal source towards the predetermined position.
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Abstract
The present invention relates to a method (400) and a system (100) for guiding a robotic garden tool to a predetermined position. The robotic garden tool includes a control unit (104) and a sensor unit (102) to detect guiding signals. The sensor unit (102) detects a first guiding signal (110) from a first signal source (106) and the robotic garden tool follows the first guiding signal (110) at a variable distance from the first signal source (106) towards the predetermined position. While within a predetermined distance (D) from the predetermined position, the sensor unit (102) detects a second guiding signal (112) from a second signal source (108). Within the predetermined distance (D), the robotic garden tool follows one of the first and the second guiding signals (110 or 112) towards the predetermined position at a pre-configured distance from the corresponding signal source.
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Citations
19 Claims
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1. A method for guiding a robotic garden tool to a predetermined position, wherein the robotic garden tool comprising a control unit and at least one sensor unit for wirelessly detecting guiding signals, the method comprises the steps of:
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detecting a first guiding signal from a first signal source; following the first guiding signal at a variable distance from the first signal source towards the predetermined position in response to a command from the control unit; detecting a second guiding signal from a second signal source, wherein the second guiding signal is detected within a predetermined distance from the predetermined position; and following one of the first and the second guiding signals at a pre-configured distance from the corresponding signal source towards the predetermined position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for guiding a robotic garden tool to a predetermined position, the system comprising
a first signal source, configured to send a first guiding signal for guiding the robotic garden tool towards the predetermined position; -
a second signal source, configured to send a second guiding signal for guiding the robotic garden tool towards the predetermined position; at least one sensor unit provided on the robotic garden tool to detect the first guiding signal and the second guiding signal; and a control unit provided on the robotic garden tool to generate a command based in response to at least one of the first guiding signal and the second guiding signal; wherein the robotic garden tool is configured to follow the first guiding signal at a variable distance from the first signal source towards the predetermined position in response to the command from the control unit; and the robotic garden tool is further configured to, when within a predetermined distance from the predetermined position, follow one of the first and second guiding signals at a pre-configured distance from the corresponding signal source to the predetermined position in response to the command from the control unit. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification