Gestural control dimmer switch

• US 9,119,239 B2
• Filed: 05/06/2013
• Issued: 08/25/2015
• Est. Priority Date: 05/04/2012
• Status: Active Grant

• Current Assignee: ABL IP Holding LLC (Acuity Brands, Inc.)
• Original Assignee: ABL IP Holding LLC (Acuity Brands, Inc.)
• Inventors: Engel-Hall, Aaron Mathew, Ngai, Peter Y. Y.
• Primary Examiner(s): Donovan, Lincoln
• Assistant Examiner(s): Skibinski, Thomas
• Application Number:
  US13/888,184
• Publication Number:
  US 20130300316A1
• Time in Patent Office: 841 Days
• Field of Search: 315/307, 315/294, 315/291, 315/292, 315/308, 702/150, 356/615, 356/614, 345/175, 345/173, 250/221, 340/555, 340/567
• US Class Current: 1/1
• CPC Class Codes: H05B 47/115 by determining the presence or movement of objects or living beings
• CPC Class Codes: H05B 47/175 by remote control
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

A gestural control dimmer switch for controlling the illumination level of a light using hand movements comprises a dimmer panel in operative communication with a light, the dimmer panel having a plurality of hand position sensors corresponding to a spectrum of illumination levels of the light, wherein when a hand is detected by the hand position sensors the illumination level of the light is set until the hand reaches a dimmer trigger position when the switch enters a dimming mode during which the illumination level is adjusted to the illumination level corresponding to the hand position sensor the presence of the hand is detected until a release condition is satisfied.

Claims

1. A gestural control dimmer switch for controlling an illumination level of a light using hand movements, the gestural control dimmer switch comprising:

a dimmer panel in operative communication with the light, the dimmer panel having a plurality of hand position sensors disposed in contiguous disposition and having a first end and a second end opposite said first end, each of said plurality of hand position sensors capable of detecting the presence of a nearby hand,

a hand position along said dimmer panel determined from said plurality of hand position sensors,

a spectrum of illumination levels extending from a full on condition to a full off condition, said spectrum of illumination levels corresponding to a continuum of positions along said dimmer panel, said full on condition corresponding with said first end of said plurality of hand position sensors said full off condition corresponding with said second end thereof,

a dimming trigger position set along said dimmer panel,

a dimming exit position located at one of said plurality of hand position sensors where the presence of a hand is last detected,

a release condition,

a waiting mode during which the illumination level is set at a preexisting illumination level,

a tracking mode during which when the presence of a hand is detected by any one of said plurality of hand position sensors the illumination level of the light is maintained at said preexisting illumination level,

a dimming mode during which when the presence of a hand is detected by any one of said plurality of hand position sensors the illumination level of the light is adjusted to the illumination level corresponding to said hand position,

wherein during said waiting mode if a hand is detected by any one of said plurality of hand position sensors said plurality of hand position sensors enter said tracking mode, during said tracking mode when said hand position is determined to be located at said dimming trigger position said plurality of hand position sensors enter said dimming mode, and during said dimming mode when said release condition is detected said plurality of hand position sensors enter said waiting mode and said dimming trigger position is set at said dimming exit position.

2. The gestural control dimmer switch of claim 1 wherein:

said plurality of hand position sensors are disposed in a vertical array.

3. The gestural control dimmer switch of claim 2 wherein:

said plurality of hand position sensors includes a top hand position sensor and a bottom hand position sensor, and said full on condition of said illumination levels corresponds with said top hand position sensor, and said full off condition of said illumination levels corresponds with said bottom hand position sensor.

4. The gestural control dimmer switch of claim 1 wherein:

a hand detection field within which the presence of a hand is detectable by one or more of said plurality of hand position sensors, and

said release condition includes removal of a hand from said hand detection field.

5. The gestural control dimmer switch of claim 1 further comprising:

a plurality of indicator lights, each indicator light positioned adjacent one of said plurality of hand position sensors,

wherein during said tracking mode the indicator light positioned at said dimming trigger position is illuminated and all the other of said plurality of indicator lights are not illuminated,

during said dimming mode the indicator light adjacent the hand position sensor nearest said hand position is illuminated and all the other of said plurality of indicator lights are not illuminated.

6. The gestural control dimmer switch of claim 1 further comprising:

a plurality of level indicia, each level indicia adjacent one of said plurality of hand position sensors.

7. A gestural control dimmer switch for controlling an illumination level of a light using hand movements, the gestural control dimmer switch comprising:

a dimmer panel in operative communication with the light, the dimmer panel having a plurality of hand position sensors disposed in a vertical array and having a top hand position sensor and a bottom hand position sensor opposite said top hand position sensor, each of said plurality of hand position sensors capable of detecting the presence of a nearby hand,

a hand position along said dimmer panel determined from said plurality of hand position sensors,

a spectrum of illumination levels of the light extending from a full on condition to a full off condition, said spectrum of illumination levels corresponding to positions along said dimmer panel, said full on condition corresponding with said top hand position sensor, said full off condition corresponding with said bottom hand position sensor,

a hand detection field within which the presence of a hand is detectable by one or more of said plurality of hand position sensors,

each of said plurality of hand position sensors having an active state and a passive state, in said active state when the presence of a hand is detected the illumination level of the light is adjusted to the illumination level corresponding to said hand position, and in said passive state when the presence of a hand is detected the illumination level of the light is not adjusted,

a dimming trigger position set along said dimmer panel,

a dimming exit position located at one of said plurality of hand position sensors where the presence of a hand is last detected,

a release condition defined by removal of a hand from the hand detection field,

a waiting mode during which the illumination level is static,

a tracking mode during which all of said plurality of hand position sensors are in said passive state,

a dimming mode during which all of said plurality of hand position sensors are in said active state,

wherein during said waiting mode if a hand is detected by any one of said plurality of hand position sensors said plurality of hand position sensors enter said tracking mode, during said tracking mode when said hand position is determined to be located at said dimming trigger position said plurality of hand position sensors enter said dimming mode, and during said dimming mode when said release condition is detected said plurality of hand position sensors enter said waiting mode and said dimming trigger position is set at said dimming exit position.

8. A method for controlling an illumination level of a light using hand gestures performed along a dimmer panel, the method comprising:

detecting the presence of a hand in a hand detection field near the dimmer panel,

tracking hand movements within said hand detection field,

maintaining the illumination level of the light at a preexisting illumination level during said tracking of said hand movements,

detecting the presence of the hand in a preset dimming trigger position associated with said preexisting illumination level,

adjusting the illumination level of the light dynamically according to the tracked movements of the hand within said hand detection field,

detecting the removal of the hand from said hand detection field at a dimming exit position,

setting the illumination level of the light at a level associated with said dimming exit position, and

setting a new dimming trigger position at the location of said dimming exit position.

9. The method for controlling the illumination level of a light of claim 8 further comprising:

detecting the presence of a hand in said hand detection field by one or more of a plurality of hand position sensors disposed in a vertical array, said plurality of hand position sensors having a top end and a bottom end, and

adjusting the illumination level of the light along a spectrum of illumination levels extending from a full on condition to a full off condition, said full on condition corresponding with the top end of said plurality of hand position sensors, and said full off condition corresponding to the bottom end thereof.

10. The method for controlling the illumination level of a light of claim 9 further comprising:

maintaining the illumination level of the light at a preexisting illumination level during said tracking of said hand movements by not adjusting the illumination level of the light when the presence of a hand is detected by any one of said plurality of hand position sensors, and

adjusting the illumination level of the light dynamically according to the tracked movements of the hand within said hand detection field by adjusting the illumination level of the light to the illumination level corresponding to the position of the hand along the dimmer panel as determined by said plurality of hand position sensors.

11. The gestural control dimmer switch of claim 8 further comprising:

detecting the presence of a hand in said hand detection field by one or more of a plurality of hand position sensors disposed in a vertical array, each of said plurality of hand position sensors corresponding to one illumination level in a spectrum of illumination levels of the light extending from a full on condition to a full off condition.