Daniel P Lieberman

US Patent:

7159298, Jan 9, 2007

Filed:

Mar 15, 2001

Appl. No.:

09/809121

Inventors:

Daniel Lieberman - San Diego CA, US

International Classification:

H01Q 13/00

US Classification:

29601, 29417, 29600, 296021, 29847, 216 13, 216 91, 216100, 216102, 216105, 343726, 343741, 343895, 343700 MS

Abstract:

A thin and flexible radio frequency (RF) antenna tag or label is disclosed which contains an RF circuit connected to an antenna which is created by demetallizing the area around the antenna pattern on a thin, metallized substrate such as a film or paper web. Antenna(s) may be formed on one or both sides of the substrate and can contain printed, holographic, optical variable device, diffractive, dot matrix, computer-generated holograms or computer-generated optical images. The demetallized RF antenna on the substrate can optionally further be transferred to a second substrate or web by means of a cold foil stamping process. The tag or label is thin and flexible, enabling a wide range of applications including RF tagging of anti-theft devices, product packaging of all types, credit cards, passports, admission tickets, stamps, vehicles, badges, fare cards, roadway tolls, customs and immigration checkpoints identification, and animal identification/tracking devices.

US Patent:

20020130104, Sep 19, 2002

Filed:

Mar 15, 2001

Appl. No.:

09/809141

Inventors:

Daniel Lieberman - San Diego CA, US

International Classification:

B44C001/22
C03C015/00
C03C025/68

US Classification:

216/035000

Abstract:

A method is described wherein a pre-printed film or paper web is selectively demetallized in register with the images pre-printed on the web. This provides the ability to demetallize micro-text, photographs or pictures, or demetallize a pattern (wallpaper) over an already demetallized area, or demetallize in patterns to create moiré patterns for security applications and/or for enhancing the attractiveness of internal and external packaging.

US Patent:

20060272534, Dec 7, 2006

Filed:

Jun 3, 2005

Appl. No.:

11/144349

Inventors:

Daniel Lieberman - San Diego CA, US

International Classification:

B41F 5/00

US Classification:

101487000, 101216000, 101491000

Abstract:

The present invention provides a system for printing surface relief structures onto a substrate, wherein the system comprises an anilox roller carrying a high refractive index material, a surface relief tool, a flexographic tool including raised features for picking up the high refractive index material from the anilox roller and depositing the high refractive index material onto the surface relief tool, and a curing tool that cures the high refractive index material in a single pass as the substrate is pressed against the surface relief tool. The surface relief structures may be printed in register to conventional printing being done on the same equipment.

US Patent:

20060275625, Dec 7, 2006

Filed:

Aug 5, 2005

Appl. No.:

11/198625

Inventors:

Daniel Lieberman - San Diego CA, US

International Classification:

B32B 9/00
B32B 19/00

US Classification:

428697000, 428689000, 428701000, 428702000

Abstract:

The present invention provides articles comprising a substrate, a high (or low) refractive index and/or metallic surface relief coating that is applied to the substrate and surface relief structures that are applied to the coating at substantially the same speeds and widths of conventional printing systems, and in substantially perfect register to conventional printing systems, thereby obviating the need for already-embossed substrates including films and hot-stamping foils.

US Patent:

20070098959, May 3, 2007

Filed:

Oct 19, 2006

Appl. No.:

11/551205

Inventors:

Daniel Lieberman - San Diego CA, US

International Classification:

B32B 3/00

US Classification:

428172000

Abstract:

The present invention provides articles comprising a substrate, a coating that is applied to the substrate, and surface reliefs that are cast or embossed onto the coating at substantially the same speeds and widths of conventional printing, and in substantially perfect register to conventional printing, wherein the coating is selected from the group consisting of HRISR coatings, LRISR coatings, water-based coatings, solvent-based coatings, UV/EB based coatings, sol-gel based coatings, conductive coatings, silver reduction based coatings and metallic coatings. A protective or printed layer may (or may not) be applied on top of the coating. Specifically, if the coating is an HRISR or LRISR coating, then it is unnecessary to apply a special high refractive layer because HRISR and LRISR coatings inherently contain the refractive index properties that are necessary to keep the surface reliefs viewable despite any printing on top of the coating. Otherwise, if the coating does not comprise an HRISR or LRISR coating, then a high refractive protective layer is applied on top of the coating, wherein the protective layer follows a topography of the surface reliefs such that a thickness of the protective coating is substantially uniform.

US Patent:

20090269510, Oct 29, 2009

Filed:

Apr 25, 2008

Appl. No.:

12/109740

Inventors:

Daniel Lieberman - San Diego CA, US
Peter W. de Oliveira - Saarbrucken, DE
Karsten Moh - Saarbrucken, DE
Sarah Schumacher - Saarbrucken, DE
Michael Veith - Ingbert, DE

International Classification:

B05D 3/06
B05D 5/12
B05C 9/14

US Classification:

427555, 4271261, 427553, 427554, 118620

Abstract:

Methods and systems for applying printed electronics to various substrates are provided. In specific embodiments methods and systems for providing a highly reflective silver coating to a substrate are provided. Such methods include use of a photocatalytic material to initiate the reduction of a silver complex applied to the substrate to provide the highly reflective silver coating. The silver coating may conduct electricity.

US Patent:

20190025758, Jan 24, 2019

Filed:

Sep 17, 2018

Appl. No.:

16/133254

Inventors:

- SAN DIEGO CA, US
DANIEL LIEBERMAN - SAN DIEGO CA, US

Assignee:

NANOGRAFIX CORPORATION - SAN DIEGO CA

International Classification:

G03H 1/04
G06K 15/02
B42D 25/305
B42D 25/328
B42D 25/425
G03H 1/02
G03H 1/00
G02B 5/32
G02B 5/20
G02B 27/22
B41J 3/407

Abstract:

Variable digital optical images may be fabricated using generic optical matrices. A generic optical matrix may have a substrate and a plurality of pixels corresponding to color and sub-pixels corresponding to non-color effects. The pixels may include first pixels corresponding to a first color and second pixels corresponding to a second color. The sub-pixels may include first sub-pixels corresponding to a first non-color effect and second sub-pixels corresponding to a second non-color effect. Individual ones of the pixels and sub-pixels of the generic optical matrix may be obliterated according to a negative while remaining pixels and/or sub-pixels may be preserved. The remaining pixels and sub-pixels may form an optical image corresponding to a base image. The optical image may be colored based on the remaining pixels. The optical image may exhibit non-color effects corresponding to the remaining sub-pixels. The optical image may comprise a hologram or a stereo image.

US Patent:

20160284231, Sep 29, 2016

Filed:

Mar 25, 2016

Appl. No.:

15/081072

Inventors:

- Cambridge MA, US
Stephanie Hsiang-Ting Liu - Palo Alto CA, US
Panagiotis Polygerinos - Gilbert AZ, US
Daniel E. Lieberman - Cambridge MA, US

International Classification:

G09B 19/00
A61B 5/11
G01P 15/02
G09B 5/02
A63B 24/00

Abstract:

Methods and systems for detecting overstride in runners include measuring, using an inertial measurement unit affixed to a shank of a person, an acceleration and an angle of the shank during a stride, monitoring, using a microprocessor, the shank acceleration measurements to detect an acceleration profile indicative of the corresponding foot making initial contact with the ground during the stride, determining, using the microprocessor, the corresponding shank angle at initial contact from the shank angle measurements, comparing, using the microprocessor, the shank angle at initial contact to a threshold shank angle, and identifying, using the microprocessor, an overstride of the corresponding leg if the shank angle at initial contact exceeds the threshold shank angle.