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LTI Patents

Patent Filing Date Patent Title Country Product
5,291,262 * Laser Surveying Instrument United States Criterion 400
5,359,404 * Laser-Based Speed Measuring Device United States Marksman/LTI 20-20
5,521,696 * Laser Surveying Instrument United States Marksman/LTI 20-20
5,528,518 * System and Method for Collecting Data Used to Form a Geographic Information System Database United States Laser Walkabout
5,539,513 * System and Associated Method for Determining and Transmitting Positional Data Utilizing Optical Signals United States LaserCom
5,574,552 * Self-Calibrating Precision Timing Circuit and Method for a Laser Ranger Finder United States Yardage Pro
5,612,779 * Automatic Noise Threshold Determining Circuit and Method for a Laser Range Finder United States
5,617,199 * Device and Associated Method for Determining Distances Between Moving Objects United States
5,652,651 * Laser Range Finder Having Selectable Target Acquisition Characteristics and Range Measuring Precision United States Yardage Pro
5,696,705 * Systems and Method for Reconstruction of the Position of Objects Utilizing a Signal Transmitting and Receiving Distance Determining Device United States
5,703,678 * Self-Calibrating Precision Timing Circuit and Method for a Laser Ranger Finder United States Yardage Pro
5,715,045 5/15/1996 Countermeasure Detecting Circuit and Associated Method for a Laser Speed Detecting Apparatus United States
D390,483 * Design for Compact Laser-Based Distance Measuring Equipment United States
5,780,999 8/23/1996 Voltage Conversion Circuit for a Laser Based Distance Measurement and Ranging Instrument United States
5,781,147 5/9/1997 Fog Piercing Ranging Apparatus and Method United States
5,790,244 8/23/1996 Pre-Biasing Technique for a Transistor Based Avalanche Circuit in a Laser-Based Distance Measurement and Ranging Instrument United States
5,806,020 4/16/1997 Laser-Based Speed and Accident Reconstruction Measuring Apparatus and Method United States
5,859,693 8/26/1997 Modularized Laser-Based Survey System United States
5,880,821 * Self-Calibrating Precision Timing Circuit and Method for a Laser Ranger Finder United States Yardage Pro
5,889,583 7/31/1997 Distance Measurement and Ranging Instrument Having a Light Emitting Diode-Based Transmitter United States
5,926,260 * Compact Laser-Based Distance Measuring Equipment United States
5,938,717 * Speed Detection and Image Capture System for Moving Vehicles United States
5,949,529 10/28/1998 Modularized Laser-Based Survey System United States
6,040,897 4/29/1998 Remote Sensor Head for Laser Level Measurement Devices United States
6,043,868 1/27/1999 Distance Measurement and Ranging Instrument Having a Light Emitting Diode-Based Transmitter United States
714599 5/13/1997 Countermeasure Circuit for a Laser Speed Detector Australia
6,055,490 7/27/1998 Apparatus and Method for Determining Precision Reflectivity of Highway Signs and Other Reflective Objects Utilizing an Optical Range Finder Instrument United States
6,057,777 7/31/1997 Industrial Position Sensor United States
6,057,910 * Self-Calibrating Precision Timing Circuit and Method for a Laser Ranger Finder United States Yardage Pro
6,064,330 5/5/1998 Fog Piercing Ranging Apparatus and Method United States
6,073,352 3/19/1998 Laser Bow Sight Apparatus United States
718038 8/21/1997 Voltage Conversion Circuit for a Laser Based Distance Measurement and Ranging Instrument Australia
6,144,308 * Tilt Compression Apparatus and Method for Use with a Monopod Mounted Laser Range Finder United States
6,212,480 1/25/2000 Apparatus and Method for Determining Precision Reflectivity of Highway Signs and Other Reflective Objects Utilizing an Optical Range Finder Instrument United States
6,226,077 * Self-Calibrating Precision Timing Circuit and Method for a Laser Ranger Finder United States Yardage Pro
729572 8/21/1997 Pre-biasing Technique for a Transistor Based Avalanche Circuit Australia
729605 4/15/1998 Laser Based Speed and Accident Reconstruction Measuring Apparatus and Method Australia
729740 8/22/1997 Compact Laser-Based Distance Measuring Apparatus Australia
45799 * Device, and Associated Method, for Determining Distances Between Moving Objects Singapore
6,282,803 4/24/1998 Self-Calibration Circuit for Determining an Accurate Zero Compensation for a Fluxgate Compass United States
735001 8/7/1998 Modularized Laser-Based Survey System Australia
0776458 * System and Associated Method for Determining and Transmitting Positional Data Utilizing Optical Signals Great Britain
6,339,468 3/17/2000 Remote Sensor Head for Laser Level Measurement Devices United States
6,377,186 4/19/2000 Industrial Position Sensor United States
6,445,444 * Self-Calibrating Precision Timing Circuit and Method for a Laser Ranger Finder United States
760744 4/28/1999 Remote Sensor Head for Laser Level Measurement Devices Australia
6,681,195 3/19/2001 Compact Speed Measurement System with Onsite Digital Image Capture, Processing, & Portable Display United States
6,738,148 6/18/2001 Upper Stem Diameter Measurement and Basal Area Determination Device and Method for Utilization in Timber Cruising Applications United States Criterion RD 1000
2,263,920 8/21/1997 Pre-biasing Technique for a Transistor Based Avalanche Circuit Canada
2,263,918 8/21/1997 Voltage Conversion Circuit for a Laser Based Distance Measurement and Ranging Instrument Canada
6,985,827 11/18/2003 Speed Measurement System with Onsite Digital Image Capture and Processing for Use in Stop Sign Enforcement United States
7,057,173 1/5/2004 Magnetoresistive (MR) Sensor Temperature Compensation and Magnetic Cross-Term Reduction Techniques Utilizing Selective Set and Reset Gain Measurements United States MapStar Compass
MY-125592-A 2/28/1997 Speed Detection and Image Capture System for Moving Vehicles Malaysia
2,203,278 * Laser Range Finder Canada
7,112,793 12/22/2004 One-Chip Compass Implemented Using Magnetoresistive (MR) Sensor Temperature Compensation and Magnetic Cross-Term Reduction Technique United States
2,254,897 5/13/1997 Countermeasure Circuit for a Laser Speed Detector Canada
2,263,853 8/22/1997 Compact Laser-Based Distance Measuring Apparatus Canada
2,303,843 8/7/1998 Modularized Laser-Based Survey System Canada
7,349,073  8/20/2004 Efficient optical system and beam pathway design for laser-based distance measuring device United States
7,450,282 6/9/2006 High precision optical system and beam pathway design for a laser-based distance measuring device. United States
2,330,626 4/28/1999 Remote Sensor Head for Laser Level Measurement Devices Canada
7,619,548 6/20/2008 Correlated Noise and Spurious Signal Reduction United States
7,920,251 9/23/2008 Integrated Still Image, Motion Video and Speed Measurement System United States
7,920,080 10/19/2009 Correlated Noise and Spurious Signal Reduction United States
2010/02007 9/23/2008 Integrated Still Image, Motion Video and Speed Measurement System South Africa
8,240,186 6/9/2008 Magnetic Sensor and Accelerometer Calibration Techniques United States TruPulse 360
8,311,343 2/12/2009 Vehicle Classification By Image Processing With Laser Range Finder United States TruCam
8,411,257 5/11/2010 Folded Path Laser Rangefinder Architecture and Technique Incorporating a Single Circuit Board for Mounting of Both Laser Emitting and Detecting Elements United States Bushnell
8,411,257 5/11/2010 Folded Path Laser Rangefinder Architecture and Technique Incorporating a Single Circuit Board for Mounting of Both Laser Emitting and Detecting Elements United States Bushnell
10-1534363 9/23/2008 Integrated Still Image, Motion Video and Speed Measurement System Korea South
2,012,304,392 9/7/2012 Intelligent Laser Tracking System and Method for Mobile and Fixed Position Traffic Monitoring and Enforcement Applications Australia
9,135,816 9/8/2011 Intelligent Laser Tracking System and Method for Mobile and Fixed Position Traffic Monitoring and Enforcement Applications United States
9,151,603 9/13/2012 Compact Folded Signal Transmission and Image Viewing Pathway Design and Visual Display Technique for Laser Rangefinding Instruments United States
9,151,604 10/6/2011 Non-Saturating Receiver Design and Clamping Structure for High Power Laser Based Rangefinding Instruments United States
9,213,101 9/13/2012 Self-Aligned Aiming System and Technique for a Laser Rangefinder Incorporating a Retroreflector United States
9,354,051 9/13/2012 System and Method for a Rangefinding Instrument Incorporating Pulse and Continuous Wave Signal Generating and Processing Techniques for Increased Distance Measurement Accuracy United States
9,400,326 8/27/2015 Non-Saturating Receiver Design and Clamping Structure for High Power Laser Based Rangefinding Instruments United States
Awaiting Patent No. 3/1/2013 System and Method for Monitoring Vehicular Traffic with a Laser Rangefinding and Speed Measurement Device Utilizing a Shaped Divergent Laser Beam Pattern South Africa

Note: * means patent is expired.

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