# US 2014/0192367 A1 · Laser Detection and Warning System

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2014/0192367 A1
- Document ID: US20140192367A1
- Status: Published application
- Kind: A1
- Application number: 13/735,889
- Filed: 2013-01-07
- Published: 2014-07-10
- Earliest claimed: 2013-01-07
- Assignees: The Boeing Company
- Inventors: Douglas R. Jungwirth
- Web page: https://patentgrep.com/patent/US20140192367A1

## CPC

- G01J 1/44: Electric circuits {(for command of an exposure part G03B7/02)}
- F41H 13/00: Means of attack or defence not otherwise provided for {(details of radar or sonar systems G01S7/00)}
- G01B 11/14: for measuring distance or clearance between spaced objects or spaced apertures (G01B11/26 takes precedence; rangefinders G01C3/00)
- G01J 3/50: using electric radiation detectors
- G01J 3/51: using colour filters
- G01S 7/4804: {Auxiliary means for detecting or identifying lidar signals or the like, e.g. laser illuminators}
- G01S 7/495: Counter-measures or counter-counter-measures {using electronic or electro-optical means}
- A61F 9/022: {Use of special optical filters, e.g. multiple layers, filters for protection against laser light or light from nuclear explosions, screens with different filter properties on different parts of the screen; Rotating slit-discs (optical filters per se G02B5/20)}
- G01S 7/003: {Transmission of data between radar, sonar or lidar systems and remote stations}
- G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N)
- F41H: ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)

## Abstract

A laser detection and warning system and associated methods of warning a pilot of an aircraft of incoming laser radiation and determining a location of a source of laser radiation including a detector configured to be mounted to an aircraft, the detector having an optical subsystem, a detector subsystem, and a processor subsystem to determine characteristics of incoming laser radiation and transmit a laser warning output signal, wherein the laser warning output signal may include wavelength characteristics of the laser radiation, corresponding protective eyewear type, and location of the source of the laser radiation.

## Claims

### Claim 1

A laser detection and warning system comprising:
a vehicle;
a detector connected to said vehicle, said detector comprising an optical subsystem, a detector subsystem, and a processor subsystem to determine characteristics of incoming laser radiation and transmit a laser warning output signal in response to said laser radiation.

### Claim 2 (depends on 1)

The system of claim 1 wherein said laser warning output signal is indicative of a wavelength of said laser radiation.

### Claim 3 (depends on 1)

The system of claim 1 wherein said laser warning output signal provides an indication of eyewear protective against said wavelength.

### Claim 4 (depends on 1)

The system of claim 1 wherein said vehicle is an aircraft.

### Claim 5 (depends on 1)

The system of claim 1 wherein said optical subsystem comprises a spectrum filter.

### Claim 6 (depends on 1)

The system of claim 1 wherein said detector subsystem comprises a photosensor.

### Claim 7 (depends on 1)

The system of claim 1 further comprising a base mounted to said vehicle and a head connected to said base, said head surrounding said detector.

### Claim 8 (depends on 7)

The of claim 7 wherein an array of detectors is disposed within said head configured to provide a three hundred and sixty degree field of view.

### Claim 9 (depends on 1)

The system of claim 1 wherein said laser warning output signal is indicative of at least one of a direction of approach of said laser radiation and;
a location of a source of said laser radiation.

### Claim 10

A method of warning a pilot of an aircraft of a presence of laser radiation, said method comprising the steps of:
providing a detector mounted to said aircraft, said detector comprising an optical subsystem, a detector subsystem, and a processor subsystem;
detecting incoming laser radiation with said optical subsystem;
focusing and directing said laser radiation to said detector subsystem;
generating a digital signal in response to said laser radiation;
transmitting said digital signal to said processor subsystem;
processing said digital signal to determine a wavelength characteristic of said laser radiation; and
transmitting a laser warning output signal to said pilot based on said wavelength characteristic.

### Claim 11 (depends on 10)

The method of claim 10 further comprising the step of determining a direction of approach of said laser radiation.

### Claim 12 (depends on 10)

The method of claim 10 further comprising the step of determining a location of a source of said laser radiation.

### Claim 13 (depends on 10)

The method of claim 10 wherein said detector subsystem comprises a photosensor.

### Claim 14

A laser detection method comprising the steps of:
providing a vehicle;
mounting a detector onto said vehicle;
detecting laser radiation with said detector, said laser radiation emanating from a source;
determining a direction of approach of said laser radiation;
determining a spatial position of said vehicle; and
determining a location of said source based on said direction of approach and said spatial position.

### Claim 15 (depends on 14)

The method of claim 14 wherein said vehicle is an aircraft.

### Claim 16 (depends on 14)

The method of claim 14 further comprising the step of notifying law enforcement of said location.

### Claim 17 (depends on 14)

The method of claim 14 wherein said step of determining said location comprises referencing topographical data.

### Claim 18 (depends on 14)

The method of claim 14 further comprising the step of generating a laser warning output signal when said laser radiation is detected.

### Claim 19 (depends on 18)

The method of claim 18 further comprising the step of communicating said laser warning output signal to a pilot of said vehicle.

### Claim 20 (depends on 18)

The method of claim 18 wherein said laser warning output signal comprises instructions for taking protective measures against said laser radiation.
