Stephen Charles Lubard

6400396, Jun 4, 2002

Nov 13, 1995

08/556716

Kent Bowker - Essex MA
Stephen C. Lubard - Woodland Hills CA

Areté Associates - Sherman Oaks CA

H04N 718

348 81, 356 73, 356301, 356318, 356328

An imaging system for detecting the contents of a turbid medium which is at least partially transmissive of light. The system includes a light source for producing a series of discrete pulse beams which are substantially uniform in intensity to illuminate sections of the medium, a large aperture optical element for collecting and focusing the reflected portions of the pulse beam, a streak tube with a very large photocathode for collecting the maximum amount of light from weak returns, and a detector. A volume display of the medium is generated by translating the transmitted and received light beams normal to the longitudinal axis of the pulse beam to illuminate adjacent sections of the medium, and combining the sections to provide a volume display. The motion is used to provide the scan of the pulse beam.

6836285, Dec 28, 2004

Sep 3, 1999

09/390487

Stephen C. Lubard - Woodland Hills CA
John W. McLean - Tucson AZ
J. Kent Bowker - Essex MA
Anthony D. Gleckler - Tucson AZ

Arete Associates - Sherman Oaks CA

G01C 308

348 31, 348 81, 356 401

In some aspects of the invention, a LIDAR subsystem or other means at an elevated position emit thin fan-beam light pulses at a shallow angle, and detect reflected portions of the pulses at a like angle; a streak-tube subsystem or other means image successive reflected portions to detect objects, for example near a water craft if the elevated position is on such a craft (e. g. , a mast or high bridge). In some aspects, the imaging means perform the imaging in a way that tightly localizes reflection from a water surface near the objects, to facilitate detecting the objects despite proximity to the surface. Some preferred embodiments apply a correction for energy reduction, or depth errors, near lateral ends of the fan beam; a lenslet array is preferred for applying the correction. Preferably the shallow angle is in a range of approximately one to fifteen degrees, more preferably approximately two to ten degrees, ideally roughly five degrees.

6873716, Mar 29, 2005

Nov 4, 1999

09/125259

J. Kent Bowker - Essex MA, US
Stephen C. Lubard - Woodland Hills CA, US
John W. McLean - Tucson AZ, US

Areté Associates - Sherman Oaks CA

G06K009/00

382128, 356441, 424 96, 600310

The system images the volume of a turbid medium and detects the contents. The medium can be water or air, or living tissue, or almost any other material which is at least partially light-transmissive. The system includes a light source for producing a series of discrete fan-shaped pulse beams that are substantially uniform in intensity or have been peaked at the edges of the fan to illuminate sections of the medium, a streak tube with a large, thin-slit-shaped photocathode for collecting the maximum amount of light from weak returns, a field-limiting slit disposed in front of the cathode for removing multiply scattered light, a large-aperture optical element for collecting and focusing the reflected portions of the pulse beam on the field-limiting slit and the cathode, and an array of detectors. A volume display of the medium is generated by translating the transmitter and receiver normal to the longitudinal axis of the pulse beam, to illuminate adjacent sections of the medium, and combining the sections to provide a volume display. All, or substantially all, of the light returned from each pulse beam is used.

7683928, Mar 23, 2010

Dec 27, 2004

11/023042

Stephen C. Lubard - Woodland Hills CA, US
John W. McLean - Tucson AZ, US
J. Kent Bowker - Essex MA, US
Anthony D. Gleckler - Tucson AZ, US

Arete' Associates - Northridge CA

H04N 7/18
G01P 3/36

348144, 356 285

The system and method relate to detection of objects that are submerged, or partially submerged (e. g. floating), relative to a water surface. One aspect of the invention emits LIDAR fan-beam pulses and analyzes return-pulse portions to determine water-surface orientations and derive submerged-object images corrected for refractive distortion. Another defines simulated images of submerged objects as seen through waves in a water surface, prepares an algorithm for applying a three-dimensional image of the water surface in refractive correction of LIDAR imaging through waves—and also models application of the algorithm to the images, and finally specifies the LIDAR-system optics. Yet another emits nearly horizontal pulses to illuminate small exposed objects at tens of kilometers, detects reflected portions and images successive such portions with a streak-tube subsystem. Still others make special provisions for airborne objects.

7688348, Mar 30, 2010

Dec 27, 2004

11/023299

Stephen C. Lubard - Woodland Hills CA, US
John W. McLean - Tucson AZ, US
J. Kent Bowker - Essex MA, US
Anthony D. Gleckler - Tucson AZ, US

Arete' Associates - Northridge CA

H04N 7/18
G01P 3/36

348144, 356 285

The system and method relate to detection of objects that are submerged, or partially submerged (e. g. floating), relative to a water surface. One aspect of the invention emits LIDAR fan-beam pulses and analyzes return-pulse portions to determine water-surface orientations and derive submerged-object images corrected for refractive distortion. Another defines simulated images of submerged objects as seen through waves in a water surface, prepares an algorithm for applying a three-dimensional image of the water surface in refractive correction of LIDAR imaging through waves—and also models application of the algorithm to the images, and finally specifies the LIDAR-system optics. Yet another emits nearly horizontal pulses to illuminate small exposed objects at tens of kilometers, detects reflected portions and images successive such portions with a streak-tube subsystem. Still others make special provisions for airborne objects.

7831061, Nov 9, 2010

Nov 24, 2008

12/313743

Stephen C. Lubard - Woodland Hills CA, US
J. Jerome Holton - Alexandria VA, US

Defense Group, Inc. - Falls Church VA

G06K 9/00

382100

A system and method for unobtrusively and noninvasively subjecting a living subject to tests for the purpose of determining whether that subject is truthful or is under stress, or both. A series of radiation pulses, preferably infrared laser pulses, is directed by a lidar transceiver toward the subject—which returns (e. g. reflects or scatters) the pulses back to the transceiver, which time-resolves that return to segregate and isolate phenomena at, within or in front of the subject's skin. The transceiver is connected to an information processing device capable of determining various physiological characteristics exhibited by the subject in these several regions, respectively. A display associated with the processor visually indicates these physiological characteristics.

20130125806, May 23, 2013

Nov 19, 2011

13/373571

STEPHEN C. LUBARD - Woodland Hills CA, US

B63H 21/38
B63G 8/08

114337, 220562

In one aspect, the invention is a vehicle working in ambient-pressure liquid or gas medium; in a second, it is a fuel tank for such craft—usually with a housing and related propulsion; the tank is craft-mounted, at least partly outside all other parts, contacting the medium; and best at least partly pressure compliant; propulsion consumes fuel; drag depends on structure shape, and fuel volume. Shape decreases longitudinally and/or laterally, reducing drag with fuel use; housing is cylindrical, structure annular (outside the housing); drag depends partly on structure radial thickness, in turn on fuel quantity. Pressure may compress fuel against housing. The structure best is made of or has embedded skin-drag reducing material; materials (soaking-replenished) are best low-friction and/or high-compliance; the surface-noise-absorbing (for underwater craft) structure has shape and size reduction some 20 to 80% of like fixed-geometry craft.

59375574, Aug 17, 1999

Dec 16, 1997

8/991071

J. Kent Bowker - Essex MA
Stephen C. Lubard - Woodland Hills CA

Arete Associates - Sherman Oaks CA

F41A 1706

42 7001

At a first end of an optic-fiber prism assembly are fiber terminations to contact a relieved surface, e. g. finger (stabilized by a handgrip). In a region where fiber diameter is essentially constant with longitudinal position, light enters the prism, crosses the fibers and enters individual fibers through their sidewalls, lighting the terminations. To allow crosslighting of the assembly, the fiber-optic numerical aperture (NA) is small: preferably not exceeding one-half. Due to fingerprint etc. detail, fractions of light pass along the fibers; at the assembly second end a detector responds with an electrical-signal array based on the surface relief. The signals are processed to check finger etc. identity and applied to control access to a personal weapon, other equipment, facilities, data, or a money service. FTIR ("frustrated total internal reflection") bright- and dark-field versions have various benefits.