Patents Assigned to Valor Fire Safety, LLC

System and method of smoke detection using multiple wavelengths of light

Patent number: 11002675

Abstract: In accordance with certain embodiments, detection of a fire event via detection of scattered light of at least two wavelengths is based on rates of change between measurements of the scattered light of the different wavelengths.

Type: Grant

Filed: January 26, 2018

Date of Patent: May 11, 2021

Assignee: VALOR FIRE SAFETY, LLC.

Inventor: Matthew Erdtmann
Smoke detection using two different wavelengths of light and additional detection for measurement correction

Patent number: 10712263

Abstract: In accordance with certain embodiments, a smoke detector determines the presence of smoke particles outside its housing based on measurements of light detected at different wavelengths and corrected based on an ambient light level.

Type: Grant

Filed: July 6, 2018

Date of Patent: July 14, 2020

Assignee: VALOR FIRE SAFETY, LLC

Inventor: Matthew Erdtmann
Smoke detection using two different wavelengths of light and additional detection for measurement correction

Patent number: 10041877

Abstract: In accordance with certain embodiments, a smoke detector determines the presence of smoke particles outside its housing based on measurements of light detected at different wavelengths and corrected based on an ambient light level.

Type: Grant

Filed: October 5, 2016

Date of Patent: August 7, 2018

Assignee: VALOR FIRE SAFETY, LLC

Inventor: Matthew Erdtmann
System and method of smoke detection using multiple wavelengths of light

Patent number: 9915609

Abstract: In accordance with certain embodiments, detection of a fire event via detection of scattered light of at least two wavelengths is based on rates of change between measurements of the scattered light of the different wavelengths.

Type: Grant

Filed: July 12, 2016

Date of Patent: March 13, 2018

Assignee: VALOR FIRE SAFETY, LLC

Inventor: Matthew Erdtmann
System and method of smoke detection using multiple wavelengths of light and multiple sensors

Patent number: 9835549

Abstract: In accordance with certain embodiments, detection of a fire event via detection of scattered light of at least two wavelengths is initiated only after a signal from a light detector and/or a sensor for detecting one or more fire signatures other than smoke exceeds a triggering threshold.

Type: Grant

Filed: July 12, 2016

Date of Patent: December 5, 2017

Assignee: VALOR FIRE SAFETY, LLC

Inventor: Matthew Erdtmann
Methods of smoke detecting using two different wavelengths of light and ambient light detection for measurement correction

Patent number: 9482607

Abstract: In accordance with certain embodiments, a smoke detector determines the presence of smoke particles outside its housing based on measurements of light detected at different wavelengths and corrected based on an ambient light level.

Type: Grant

Filed: August 7, 2015

Date of Patent: November 1, 2016

Assignee: Valor Fire Safety, LLC

Inventor: Matthew Erdtmann
Method of smoke detection with direct detection of light and detection of light reflected from an external sampling volume

Patent number: 9470626

Abstract: In accordance with certain embodiments, a smoke detector comprises a housing, a light source, one or more light detectors, and an evaluation circuit for determining the presence of smoke particles outside the housing based on light emitted from and reflected back into the housing, as well as light emitted within the housing without emission therefrom.

Type: Grant

Filed: January 5, 2015

Date of Patent: October 18, 2016

Assignee: VALOR FIRE SAFETY, LLC

Inventor: Matthew Erdtmann
Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction

Patent number: 9140646

Abstract: In accordance with certain embodiments, a smoke detector determines the presence of smoke particles outside its housing based on measurements of light detected at different wavelengths and corrected based on an ambient light level.

Type: Grant

Filed: October 24, 2014

Date of Patent: September 22, 2015

Assignee: Valor Fire Safety, LLC

Inventor: Matthew Erdtmann
Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction

Patent number: 9142112

Abstract: In accordance with certain embodiments, a smoke detector determines the presence of smoke particles outside its housing based on measurements of light detected at different wavelengths and corrected based on an ambient light level.

Type: Grant

Filed: November 4, 2014

Date of Patent: September 22, 2015

Assignee: Valor Fire Safety, LLC

Inventor: Matthew Erdtmann
Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction

Patent number: 9142113

Abstract: In accordance with certain embodiments, a smoke detector determines the presence of smoke particles outside its housing based on measurements of light detected at different wavelengths and corrected based on an ambient light level.

Type: Grant

Filed: November 4, 2014

Date of Patent: September 22, 2015

Assignee: Valor Fire Safety, LLC

Inventor: Matthew Erdtmann
Smoke detector utilizing ambient-light sensor, external sampling volume, and internally reflected light

Patent number: 8952821

Abstract: In accordance with certain embodiments, a smoke detector utilizes a reflected-light signal and sensed ambient light to determine the presence of smoke particles.

Type: Grant

Filed: March 13, 2013

Date of Patent: February 10, 2015

Assignee: Valor Fire Safety, LLC

Inventor: Matthew Erdtmann
Smoke detector with external sampling volume and utilizing internally reflected light

Patent number: 8947243

Abstract: In accordance with certain embodiments, a smoke detector comprises a housing, a light source, one or more light detectors, and an evaluation circuit for determining the presence of smoke particles outside the housing based on light emitted from and reflected back into the housing, as well as light emitted within the housing without emission therefrom.

Type: Grant

Filed: March 13, 2013

Date of Patent: February 3, 2015

Assignee: Valor Fire Safety, LLC

Inventor: Matthew Erdtmann
Smoke detector utilizing broadband light, external sampling volume, and internally reflected light

Patent number: 8947244

Abstract: In accordance with certain embodiments, a smoke detector utilizes broadband light with a plurality of wavelengths to determine the presence of smoke.

Type: Grant

Filed: March 13, 2013

Date of Patent: February 3, 2015

Assignee: Valor Fire Safety, LLC

Inventor: Matthew Erdtmann
Smoke detector with external sampling volume and ambient light rejection

Patent number: 8907802

Abstract: In accordance with certain embodiments, a smoke detector determines the presence of smoke particles outside its housing based on measurements of light detected at different wavelengths and corrected based on an ambient light level.

Type: Grant

Filed: October 30, 2013

Date of Patent: December 9, 2014

Assignee: Valor Fire Safety, LLC

Inventor: Matthew Erdtmann