# US 10,502,399 B2 · Method and system for alignment of illumination device

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- Number: US 10,502,399 B2
- Document ID: US10502399B2
- Status: Granted
- Kind: B2
- Application number: 15/392,178
- Filed: 2016-12-28
- Published: 2017-06-29
- Granted: 2019-12-10
- Earliest claimed: 2015-12-28
- Assignees: Eaton Intelligent Power Limited
- Applicants: Eaton Intelligent Power Limited
- Inventors: Christopher D. Nolan; Joseph J. Witkowski; Joseph R. Casper; Banjamin David Vollmer
- Web page: https://patentgrep.com/patent/US10502399B2

## CPC

- F21V 21/15: specially adapted for power operation, e.g. by remote control
- F21V 21/14: Adjustable mountings
- G01C 5/00: Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels (G01C3/20, G01C3/30 take precedence)
- G01C 19/02: Rotary gyroscopes
- G01P 15/18: in two or more dimensions
- F21S 8/08: with a standard {(F21S6/00 takes precedence)}
- F21V 21/30: Pivoted housings or frames
- F21V 23/0442: {activated by means of a sensor, e.g. motion or photodetectors}
- F21V 23/0492: {the sensor detecting a change in orientation, a movement or an acceleration of the lighting device, e.g. a tilt switch}
- F21V 29/507: of means for protecting lighting devices from damage, e.g. housings
- F21V 29/75: with fins or blades having different shapes, thicknesses or spacing
- F21W 2131/105: of arenas or the like
- F21Y 2115/10: Light-emitting diodes [LED]
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S)
- G01P: MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A61B5/02, A61B8/06; monitoring speed or deceleration of electrically-propelled vehicles B60L3/00; vehicle lighting systems adapted to indicate speed B60Q1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G01C; combined measuring devices for measuring two or more variables of movement G01C23/00; measuring velocity of sound G01H; measuring velocity of light G01J7/00; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; measuring speed of nuclear radiation G01T; measuring acceleration of gravity G01V; {measuring or recording the speed of trains B61L23/00; speed indicators incorporated in motor vehicles B60K35/00; measuring frequency or phase G01R; traffic control G08G})
- F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21W: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED

## Abstract

A method for providing assistance in aiming of one or more illumination devices in an area may include, by a processor, receiving photometric data for an area, and using the photometric data to determine an aiming vector for the illumination device. the area may include the illumination device. the method may further include receiving, from an orientation sensor module of the illumination device, orientation data for the illumination device, and using the orientation data and the aiming vector to determine if there is an error in the aiming of the illumination device.

## Claims

### Claim 1

A method for providing assistance in aiming of one or more illumination devices in an area comprising, by a processor:
receiving photometric data for an area that comprises an illumination device;
using the photometric data to determine, for the illumination device, an aiming vector corresponding to the photometric data;
receiving, from an orientation sensor module of the illumination device, current orientation data for the illumination device;
analyzing the current orientation data and comparing the current orientation data to the aiming vector to determine if there is an error in the aiming of the illumination device; and
in response to making the determination that there is an error in the aiming of the illumination device, wirelessly transmitting instructions by the processor to present an error message on a user interface of an electronic device, wherein the error message comprises a set of instructions to accurately aim the illumination device,
wherein the photometric data comprises a desired measure of at least one light characteristic corresponding to light received from the illumination device at one or more reference points in the area when the illumination device is oriented in accordance with the aiming vector.

### Claim 2 (depends on 1)

The method of claim 1, wherein the orientation data comprises one or more of the following: orientation vectors, a linear acceleration, a yaw, a pitch, or a roll of the illumination device.

### Claim 3 (depends on 1)

The method of claim 1, further comprising providing control signals to a controller associated with a driving means of the illumination device for correcting the error in the aiming of the illumination device, wherein the driving means control movement of at least one component of the illumination device.

### Claim 4 (depends on 1)

The method of claim 1, wherein the orientation sensor module comprises one or more of the following: an accelerometer, a gyroscope, an altimeter, or a magnetometer.

### Claim 5 (depends on 1)

The method of claim 1, wherein using the current orientation data and the aiming vector to determine if there is an error in the aiming of the illumination device comprises determining whether there is a threshold difference between a current orientation of the illumination device and a desired orientation of the illumination device, wherein the desired orientation corresponds to the aiming vector.

### Claim 6 (depends on 1)

The method of claim 1, further comprising determining a rate of change of orientation of the illumination device, wherein the rate of change of orientation is indicative of an event that resulted in the error in the aiming of the illumination device.

### Claim 7 (depends on 1)

The method of claim 1, further comprising providing a control signal to a controller associated with a motor for correcting the error in the aiming of the illumination device, wherein the motor is configured to control orientation of the illumination device or a light emitting diode (LED) module included in the illumination device.

### Claim 8

A lighting control system, comprising:
an illumination device comprising one or more orientation sensors;
a processor of the illumination device configured to transmit wireless communication signals to an electronic device; and
a non-transitory computer-readable medium containing programming instructions that, when executed, will cause the processor of the illumination device to:
receive photometric data for an area;
use the photometric data to determine, for the illumination device, an aiming vector corresponding to the photometric data;
receive, from the one or more orientation sensors of the illumination device, current orientation data for the illumination device;
analyze the current orientation data and compare the current orientation data to the aiming vector to determine if there is an error in the aiming of the illumination device; and
in response to making the determination that there is an error in the aiming of the illumination device, wirelessly transmit instructions to present an error message on a user interface of the electronic device, wherein the error message comprises a set of instructions to accurately aim the illumination device,
wherein the photometric data comprises a desired measure of at least one light characteristic corresponding to light received from the illumination device at one or more reference points in the area when the illumination device is oriented in accordance with the aiming vector.

### Claim 9 (depends on 8)

The system of claim 8, wherein the orientation data comprises one or more of the following: orientation vectors, a linear acceleration, a yaw, a pitch, or a roll of the illumination device.

### Claim 10 (depends on 8)

The system of claim 8, wherein: the illumination device further comprises a controller associated with a driving means of the illumination device, wherein the driving means is configured to control movement of at least one component of the illumination device.

### Claim 11 (depends on 8)

The system of claim 8, wherein the one or more orientation sensors comprise one or more of the following: an accelerometer, a gyroscope, an altimeter, a global positioning system (GPS) or a magnetometer.

### Claim 12 (depends on 8)

The system of claim 8, wherein the programming instructions that, when executed, will cause the processor to use the current orientation data and the aiming vector to determine if there is an error in the aiming of the illumination device comprise programming instructions to determine whether there is a threshold difference between a current orientation of the illumination device and a desired orientation of the illumination device, wherein the desired orientation corresponds to the aiming vector.

### Claim 13 (depends on 8)

The system of claim 8, further comprising programming instructions that, when executed, will cause the processor to determine a rate of change of orientation of the illumination device, wherein the rate of change of orientation is indicative of an event that resulted in the error in the aiming of the illumination device.

### Claim 14 (depends on 8)

The system of claim 8, further comprising programming instructions that, when executed, will cause the processor to provide a control signal to a controller associated with a motor for correcting the error in the aiming of the illumination device, wherein the motor is configured to control orientation of the illumination device or a light emitting diode (LED) module included in the illumination device.

### Claim 15 (depends on 1)

The method of claim 1, wherein the at least one light characteristic comprises at least one of the following: intensity of light, amount of light, color of light, or flux of light.