Inventor

CARVER JOHN F

US25 patents

⚠️ This page may combine multiple inventors who share the name “CARVER JOHN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CARVER JOHN F

CROSS MATCH TECHNOLOGIES INC

Biometric imaging system and method

Biometric imaging system and method

Fingerprint sensors

Palm print scanner and methods

System having a rotating optical system and a non-planar prism that are used to obtain print and other hand characteristic information

System for obtaining print and other hand characteristic information using a non-planar prism

Systems and methods for illuminating a platen in a print scanner

Adjustable, rotatable finger guide in a tenprint scanner with movable prism platen

Fingerprint scanner

System and method for biometric image capturing

Platen heaters for biometric image capturing devices

Systems and methods for illuminating a platen in a print scanner

Non-planar prism

System for print imaging with prism illumination optics

Live print scanner with holographic platen

Live print scanner with holographic imaging a different magnifications

Apparatus for reducing ambient light into an optical print scanner

Light integrating column

RAGUIN DANIEL H

Ambient light rejection for non-imaging contact sensors

Ambient light illumination for non-imaging contact sensors

ELLIOTT ENERGY SYSTEMS INC

Balanced boost/buck DC to DC converter

MCCLURG GEORGE W

Biometric imaging system and method

CROSS MATCH TECHNOLOGIES

Method, system, and computer program product for control of platen movement during a live scan

CROSS MATCH TECH INC

Fingerprint sensors

MILTON ROY CO

Ultrasonic streaming current detector