Gesture-based control sequence for luminaires with adjustable brightness and light color using a single proximity sensor

Abstract

Gesture-based control sequence for luminaires with adjustable brightness and light color using a single proximity sensor, characterized in that the control is based on a sequence of defined control states (positions S0-S4) and transitions (transitions T0-T7), wherein the system is deactivated in the initial state S0 and is transferred by a first swipe gesture within range of a single sensor (3) into an operating state S1 in which an LED module (2) is activated and adjustment of the brightness is enabled, wherein holding the hand within range of the sensor (3) triggers transition T2 and reaches a brightness control state S2 in which the brightness of the LED module (2) is continuously changed in one direction until a limit value is reached, and to continue the change, the hand must be briefly removed and brought within range of the sensor (3) again, whereby the system automatically reverses the direction of the brightness change,wherein, when the hand is removed from the sensor (3) for more than 3 s, transition T3 is triggered and a mode change state S3 is reached, in which, within a 3 s time window, by again holding the hand within range of the sensor (3), transition T4 is triggered and a color control state S4 is activated, in which the light color of the LED module (2) can be continuously changed between a warmest and a coldest color temperature, wherein, in color control state S4, in order to continue the color change after reaching a limit value, the hand must be briefly removed and again held within range of the sensor (3), whereby the system automatically reverses the direction of the color change, wherein, by removing the hand for more than 3 s in color control state S4, transition T7 is triggered, which returns the system to operating state S1,and wherein in the mode change state S3, if the hand is not held within range of the sensor (3) again within the 3 s time window, transition T5 is automatically triggered, which also returns the system to the operating state S1, wherein, in addition, a second swipe gesture within range of the sensor (3) from any state in which the LED module (2) is activated activates transition T0 and deactivates the LED module (2), and wherein, by continuously holding the hand within range of the sensor (3) for at least 5 s, transition T6 is triggered, which automatically sets the LED module (2) to the maximum brightness and then returns the system to the brightness control state S2.

Description

1. Title of the invention:

[0001] Gesture-based control sequence for luminaires with adjustable brightness and light color using a single proximity sensor 2. Technical description of the invention:Problem:

[0002] Modern luminaires offer a high degree of flexibility in lighting design. Control is often via external switches or complex app connections, which are not always intuitive to use. Especially in areas such as offices, living spaces, or restaurants, there is a desire for simple, touchless control that allows for direct and quick adjustment of the lighting – ideally directly on the luminaire itself, without additional controls or the need to access external switches.

[0003] Existing solutions either use multiple sensors, external switches, or complex touch or remote control. There's no intuitive way to adjust both brightness and color temperature independently and directly on the luminaire itself using a single sensor. Solution:

[0004] The present invention relates to a gesture-based control sequence for luminaires with adjustable brightness and light color using a single proximity sensor. Defined hand movements allow both lighting parameters to be controlled directly and contactlessly on the luminaire – without additional control elements.

[0005] Fig. 1 shows the essential components of the invention: • Luminaire with adjustable lighting parameters (1): The luminaire contains at least one LED module (2) that allows both the brightness and the light colour to be variably adjusted. • Sensor (3): A single proximity sensor detects hand movements and allows control of the lighting parameters. • Gesture-based control sequence (4): This forms the logical basis for user interaction. It defines how various hand gestures are interpreted and converted into concrete control commands for the LED module (2).

[0006] The sequence of the gesture-based control sequence (4) is shown in Fig. 2 in the form of a position-transition network (ST network). The gesture-based control sequence (4) includes the following states and transitions: Designation type Description T0 Transition Swipe gesture off (sensor < 100 ms occupied) → turn off LED T1 Transition Swipe gesture on (sensor < 100 ms occupied) → turn on LED T2 Transition Place your hand on the sensor or keep it within range of the sensor (3) (sensor occupied) → Start changing the brightness T3 Transition Remove hand (sensor free > 3 s) → End Changing the brightness T4 Transition Place your hand on the sensor or keep it within reach of the sensor (3) (sensor occupied) → Start changing the light color T5 Transition Remove hand (sensor free > 3 s) → Brightness change mode T6 Transition Place your hand on the sensor for 5 seconds or hold your hand within range of the sensor (3) for 5 seconds (sensor occupied > 5 seconds) → Max brightness T7 Transition Remove hand (sensor free > 3 s) → End Changing the light color S0 Position LED off S1 Position LED on, brightness change mode S2 Position Changing the brightness active S3 Position Mode change (3 s) S4 Position Change the light color active How it works: 1. Switch on / off

[0007] In the initial state S0, the light is off. If a swipe gesture is detected within range of the sensor (3) (transition T1), the LED module (2) is activated, and the control sequence switches to state S1. In this state, the LED module (2) is switched on and is in standard brightness adjustment mode.

[0008] To turn off the LED module (2), a swipe gesture is also performed within range of the sensor (3). This gesture triggers transition T0, which deactivates the LED module (2). Transition T0 can be activated from any state in which the LED module (2) is switched on—in particular, from S1, S2, S3, or S4. The system then returns to the initial state S0. 2. Changing the brightness

[0009] If the system is in state S1 (LED module (2) on, standard mode for adjusting brightness), holding the hand within range of the sensor (3) triggers transition T2. ​​This causes the system to change to state S2, in which the LED module (2) changes its brightness.

[0010] The brightness change occurs immediately by holding your hand within range of the sensor (3). The LED module (2) continuously increases or decreases the brightness, depending on the last set direction. When the maximum or minimum brightness value is reached, the LED module (2) flashes for 100 ms to visually indicate this to the user.

[0011] To continue the brightness change, the hand must be briefly removed and then brought within range of the sensor (3) again. This automatically changes direction: The next brightness change always occurs in the opposite direction - even if the LED module (2) was previously switched off (e.g., by T0).

[0012] If the hand is removed for at least 3 seconds, i.e., the sensor (3) is not occupied for more than 3 seconds, transition T3 is triggered. The system then exits state S2, saves the last set brightness, and signals the end of the brightness change mode by a single flash of the LED module (2) with a duration of 10 ms. 3. Mode change to change color

[0013] After the hand has been removed from the sensor (3) for at least 3 s, the system transitions from state S2 (brightness change) to state S3 (mode change) via transition T3. This represents a time-limited decision window of 3 s in which the change to color mode can occur.

[0014] Within this time window, transition T4 can be triggered by again holding the hand within range of the sensor (3), which causes the system to transition to state S4. In this state, the light color can be changed.

[0015] If no further hand interaction with the sensor (3) is detected within S3, transition T5 is automatically triggered after the time has elapsed. This returns the system to the default state S1, where the brightness can be adjusted again. 4. Changing the light color

[0016] If the system is set to state S3 (mode change) and the hand is again held within range of the sensor (3) within the 3-s time window, transition T4 is triggered. This moves the control sequence to state S4, in which the LED module (2) can change its light color.

[0017] The color change occurs immediately by holding your hand within range of the sensor (3). The color temperature is continuously adjusted – either toward the warmest or coldest adjustable color temperature, depending on the last used direction. If one of the thresholds is reached, the LED module (2) flashes for 100 ms to visually indicate this to the user.

[0018] To continue the color change in the other direction, the hand must be briefly removed and then brought within range of the sensor (3) again. After each completed color change, the direction is automatically reversed – even if the system has been turned off in the meantime.

[0019] If the hand is removed from the sensor (3) for more than 3 seconds, transition T7 is triggered. The system then exits state S4, saves the last set color temperature, and signals the end of the color change mode with a single flash of the LED module (2) lasting 10 ms.

[0020] The control sequence then automatically returns to the standard mode S1, where the brightness can be changed again. 5. Setting maximum brightness

[0021] If the hand is held within range of the sensor (3) for at least 5 seconds, transition T6 is triggered. This transition can be activated from both state S2 (brightness change) and state S4 (color change).

[0022] By triggering T6, the LED module (2) is automatically set to the maximum brightness value - regardless of the previously selected settings.

[0023] After T6 is executed, the system returns to state S2, where the brightness can be adjusted again. The control logic follows the usual rule: To decrease the brightness again, the hand must be briefly removed and then brought within range of the sensor (3) again.

Claims

[1] Gesture-based control sequence for luminaires with adjustable brightness and light color using a single proximity sensor characterized bythat the control is based on a sequence of defined control states (positions S0-S4) and transitions (transitions T0-T7), wherein the system is deactivated in the initial state S0 and is transferred by a first swipe gesture within the range of a single sensor (3) into an operating state S1 in which an LED module (2) is activated and an adjustment of the brightness is made possible, wherein by holding the hand within the range of the sensor (3), the transition T2 is triggered and a brightness control state S2 is reached, in which the brightness of the LED module (2) is continuously changed in one direction until a limit value is reached, and to continue the change, the hand must be briefly removed and brought back within the range of the sensor (3), wherein the system automatically reverses the direction of the brightness change, wherein when the hand is removed from the sensor (3) for more than 3 s, the transition T3 is triggered and a mode change state S3 is reached,in which, within a 3-s time window, transition T4 is triggered by again holding the hand within range of the sensor (3) and a color control state S4 is activated, in which the light color of the LED module (2) can be continuously changed between a warmest and a coldest color temperature. In color control state S4, in order to continue the color change after reaching a limit value, the hand must be briefly removed and again held within range of the sensor (3). The system automatically reverses the direction of the color change. Removing the hand for more than 3 s in color control state S4 triggers transition T7, which returns the system to operating state S1. In mode change state S3, if the hand is not held within range of the sensor (3) again within the 3-s time window, transition T5 is automatically triggered, which also returns the system to operating state S1.wherein, in addition, a second swipe gesture within range of the sensor (3) activates transition T0 and deactivates the LED module (2) from any state in which the LED module (2) is activated, and wherein, by continuously holding the hand within range of the sensor (3) for at least 5 s, transition T6 is triggered, which automatically sets the LED module (2) to the maximum brightness and then returns the system to the brightness control state S2. [2] Gesture-based control sequence for luminaires with adjustable brightness and light color using a single proximity sensor according to claim 1, characterized bythat the mode change state S3 comprises a time window of 3 s, within which the transition T4 can be activated and the color change mode S4 can be started by holding the hand within range of the sensor (3) again, whereby if the gesture is not made within this time window, the transition T5 is automatically triggered, which returns the system to the operating state S1. [3] Gesture-based control sequence for luminaires with adjustable brightness and light color using a single proximity sensor according to claim 1 or 2, characterized by that the switching on and off of the LED module (2) is carried out by a swipe gesture within the range of the sensor (3), during which the sensor (3) is occupied for less than 100 ms, whereby the transition T1 triggers the switching on and the transition T0 triggers the switching off. [4] Gesture-based control sequence for luminaires with adjustable brightness and light colour using a single proximity sensor according to one of the preceding claims, characterized by that when the hand is continuously held within range of the sensor (3) for at least 5 s, the transition T6 is triggered, whereby the LED module (2) is automatically set to the maximum brightness and the control then goes into the brightness control state S2. [5] Gesture-based control sequence for luminaires with adjustable brightness and light colour using a single proximity sensor according to one of the preceding claims, characterized by that in order to continue a brightness or colour change after a limit value has been reached, the hand must be briefly removed from the sensor (3) and then held within reach again, whereby the system automatically reverses the direction of the respective change. [6] Gesture-based control sequence for luminaires with adjustable brightness and light colour using a single proximity sensor according to one of the preceding claims, characterized by that when the maximum or minimum value of the brightness in the brightness control state S2 or the light color in the color control state S4 is reached, the LED module (2) flashes for a duration of 100 ms for visual feedback. [7] Gesture-based control sequence for luminaires with adjustable brightness and light colour using a single proximity sensor according to one of the preceding claims, characterized bythat in the brightness control state S2, in which the LED module (2) is continuously adjusted to be brighter or darker by keeping the hand within reach of the sensor (3), after the hand is removed from the sensor (3) for more than 3s, the transition T3 is triggered, whereby the currently set brightness is saved, the brightness control state S2 is exited and a mode change state S3 is reached, wherein the LED module (2) flashes once for a duration of 10 ms for visual confirmation of this transition. [8] Gesture-based control sequence for luminaires with adjustable brightness and light colour using a single proximity sensor according to one of the preceding claims, characterized bythat in the color control state S4, in which the LED module (2) is continuously controlled between the warmest and coldest color temperature by keeping the hand within reach of the sensor (3), after removing the hand from the sensor (3) for more than 3 s, the transition T7 is triggered, whereby the currently set color temperature is saved, the color control state S4 is exited and the system is transferred back to the operating state S1, in which the brightness can again be changed, the LED module (2) flashing once for a duration of 10 ms to confirm this transition.

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