Inventor
ACKERMAN DAVID ALAN
US36 patents
⚠️ This page may combine multiple inventors who share the name “ACKERMAN DAVID ALAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRINCETON IDENTITY INC
19 patentsUS9836648B2Dec 5, 2017
Iris biometric recognition module and access control assembly
PRINCETON IDENTITY INC21 citations92
US9836647B2Dec 5, 2017
Iris biometric recognition module and access control assembly
PRINCETON IDENTITY INC16 citations90
US9514365B2Dec 6, 2016
Image sensor with integrated region of interest calculation for iris capture, autofocus, and gain control
PRINCETON IDENTITY INC16 citations89
US10042994B2Aug 7, 2018
Validation of the right to access an object
PRINCETON IDENTITY INC16 citations82
US10025982B2Jul 17, 2018
Collecting and targeting marketing data and information based upon iris identification
PRINCETON IDENTITY INC13 citations82
US10902104B2Jan 26, 2021
Biometric security systems and methods
PRINCETON IDENTITY INC5 citations72
US10373008B2Aug 6, 2019
Systems and methods of biometric analysis with adaptive trigger
PRINCETON IDENTITY INC2 citations72
US10762367B2Sep 1, 2020
Systems and methods of biometric analysis to determine natural reflectivity
PRINCETON IDENTITY INC1 citations71
US10643087B2May 5, 2020
Systems and methods of biometric analysis to determine a live subject
PRINCETON IDENTITY INC3 citations71
US10425814B2Sep 24, 2019
Control of wireless communication device capability in a mobile device with a biometric key
PRINCETON IDENTITY INC3 citations71
US10038691B2Jul 31, 2018
Authorization of a financial transaction
PRINCETON IDENTITY INC2 citations71
US10452936B2Oct 22, 2019
Systems and methods of biometric analysis with a spectral discriminator
PRINCETON IDENTITY INC3 citations67
US10943138B2Mar 9, 2021
Systems and methods of biometric analysis to determine lack of three-dimensionality
PRINCETON IDENTITY INC3 citations62
US10366296B2Jul 30, 2019
Biometric enrollment systems and methods
PRINCETON IDENTITY INC1 citations61
US11657133B2May 23, 2023
Systems and methods of multi-modal biometric analysis
PRINCETON IDENTITY INC1 citations57
US11380135B2Jul 5, 2022
Systems and methods of enhancing biometric matching accuracy and/or efficiency
PRINCETON IDENTITY INC0 citations56
US11157733B2Oct 26, 2021
Systems and methods of enhancing biometric matching accuracy and/or efficiency
PRINCETON IDENTITY INC0 citations56
US10643088B2May 5, 2020
Systems and methods of biometric analysis with a specularity characteristic
PRINCETON IDENTITY INC0 citations51
US10484584B2Nov 19, 2019
System and method for mobile device biometric add-on
PRINCETON IDENTITY INC0 citations40
Princeton Identity
6 patentsUS12190638B2Jan 7, 2025
Compact system and method for iris recognition
Princeton Identity0 citations56
US11922727B2Mar 5, 2024
Compact system and method for iris recognition
Princeton Identity0 citations56
US12131587B2Oct 29, 2024
Method and system for detection of weighted contact lenses imprinted with iris images
Princeton Identity0 citations50
US11488417B2Nov 1, 2022
Iris and periocular region biometric recognition
Princeton Identity0 citations50
US12511360B2Dec 30, 2025
Face biometric recognition with anti-spoofing
Princeton Identity0 citations38
US12380188B2Aug 5, 2025
Method and system for seamless biometric system self-enrollment
Princeton Identity0 citations33
LUCENT TECHNOLOGIES INC
3 patentsUS6064681AMay 16, 2000
Wavelength stabilized, tunable optical transmitter with high SMSR
LUCENT TECHNOLOGIES INC48 citations92
US6028881AFeb 22, 2000
Wavelength selectable laser source
LUCENT TECHNOLOGIES INC19 citations92
US6215801B1Apr 10, 2001
Wavelength stabilized laser
LUCENT TECHNOLOGIES INC21 citations91
AGERE SYSTEMS INC
3 patentsUS6486999B1Nov 26, 2002
Using crystalline materials to control the thermo-optic behavior of an optical path
AGERE SYSTEMS INC21 citations89
US6545788B1Apr 8, 2003
Multiple path digital wavelength stabilization
AGERE SYSTEMS INC12 citations73
US6535532B1Mar 18, 2003
Method and apparatus to select optimal operating conditions in a digital wavelength stabilized control system
AGERE SYSTEMS INC8 citations73