Joseph Katz

US Patent:

6448490, Sep 10, 2002

Filed:

Jul 7, 1998

Appl. No.:

09/111172

Inventors:

Joseph M. Katz - Old Westbury NY 11568

International Classification:

H05K 900

US Classification:

174 35R, 361816, 455 90, 455117

Abstract:

An assembly for shielding EMF/RF radiation emitted from portable telephones including a case having a shielding material capable of attenuating EMF/RF radiation. The case substantially encloses a portable telephone and includes at least one aperture for passage of a connector base. The assembly further includes an antenna capable of radial and tilt motion with respect to the portable telephone. The antenna is mounted to the connector base which is removably attached to the portable telephone and in contact with the case. A handle portion is attached along an exterior portion of the case. A shielding antenna case for shielding EMF/RF radiation emitted from portable telephones is also disclosed. The antenna case includes a shielding material capable of attenuating EMF/RF radiation and substantially encloses an antenna portion of the portable telephone. Attachment tabs are used for affixing the case to the portable telephone by way of fasteners.

US Patent:

6469781, Oct 22, 2002

Filed:

Aug 1, 2000

Appl. No.:

09/629468

Inventors:

Joseph L. Katz - Baltimore MD
Heikki Lihavainen - Masala, FI
Markus M. Rudek - Bruchkoebel, DE
Brian C. Salter - New Market MD

Assignee:

The United States of America as represented by the United States Department of Energy - Washington DC

International Classification:

G01N 100

US Classification:

356 37, 356335, 356336, 356337

Abstract:

A method and apparatus for determining the presence of molecules in a gas at concentrations of less than about 100 ppb. Light having wavelengths in the range from about 200 nm to about 350 nm is used to illuminate a flowing sample of the gas causing the molecules if present to form clusters. A mixture of the illuminated gas and a vapor is cooled until the vapor is supersaturated so that there is a small rate of homogeneous nucleation. The supersaturated vapor condenses on the clusters thus causing the clusters to grow to a size sufficient to be counted by light scattering and then the clusters are counted.

US Patent:

6633433, Oct 14, 2003

Filed:

May 31, 2001

Appl. No.:

09/867399

Inventors:

Leonard Bergstein - Teaneck NJ
Emanuel Marom - Tel Aviv, IL
Yajun Li - Oakdale NY
Joseph Katz - Stony Brook NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G02B 2742

US Classification:

359569, 359558, 359641, 359900, 235454, 23546201, 23546222

Abstract:

A beam generator, or beam shaping system, for example for use in an optical scanner, creates a non-Gaussian beam which provides improved indicia-reading characteristics. In one embodiment, diffractive optical elements are used to create a Bessel-Gaussian scanning beam, which comprises a coherent combination of a Gaussian beam and a Bessel beam.

US Patent:

6663690, Dec 16, 2003

Filed:

Sep 23, 2002

Appl. No.:

10/252124

Inventors:

Joseph L. Katz - Baltimore MD

Assignee:

Johns Hopkins University - Baltimore MD

International Classification:

B03C 3014

US Classification:

95 57, 95 71, 96 16, 96 52, 96224, 422 24, 42218604

Abstract:

Elemental mercury is removed from emissions of coal-fired utilities by the selective photoionization of mercury atoms using ultraviolet light, followed by electrostatic precipitation of the mercury ions. Mercury is first exposed to light of a wavelength which boosts the mercury to an excited state. Then mercury is ionized using light of a different wavelength. The ionized mercury atoms are exposed to supersaturated water vapor to produce charged droplets which are precipitated, such that the exhaust effluent is substantially devoid of mercury or the mercury level is substantially reduced.

US Patent:

6688947, Feb 10, 2004

Filed:

Feb 5, 2002

Appl. No.:

10/067591

Inventors:

Umang Anand - Baltimore MD
Joseph Katz - Baltimore MD

Assignee:

The Johns Hopkins University - Baltimore MD

International Classification:

B24B 100

US Classification:

451 40, 451 38, 451 53, 451 56, 451102, 451449

Abstract:

A nozzle apparatus for use with an abrasive fluid jet cutting system, and its method of construction and operation, are disclosed that reduce the wear and erosion problems typically experienced in the cutting jets nozzle. This improved nozzle apparatus comprises (a) a nozzle having an entry port for receiving a slurry consisting of a carrier fluid and abrasive particles, an inner wall for directing the flow of the slurry, and an outlet port through which the slurry exits the nozzle, (b) wherein at least a portion of the nozzle wall is porous, and (c) a lubricating fluid chamber that surrounds the porous portion of the outer wall of the nozzle, the chamber having a port where a lubricating fluid enters the chamber, with the chamber port connecting to an input pipe which connects to a filter for filtering contaminants that might clog the pores of the porous portion of the nozzle. The nozzle operates by having the lubricating fluid pass from the lubricating reservoir and through the porous wall to lubricate at least a portion of the surface of the nozzle inner wall so as to resist erosion of the wall, as well as result in an abrasive slurry jet with improved coherence and cutting efficiency.

US Patent:

6735445, May 11, 2004

Filed:

Aug 26, 2002

Appl. No.:

10/227683

Inventors:

Jacob Sharony - Dix Hills NY
Joseph Katz - Stony Brook NY

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

H04B 700

US Classification:

455517, 455 634, 4555621, 370338

Abstract:

Described is a method and system for an access control in a communication network which includes a first wireless unit, a second wireless unit and at least one further unit. The first unit generates a frame for the second unit. The frame includes a first portion and a second portion. The first portion includes data indicating that the first unit is about to establish a direct communication channel with the second unit. The first portion is transmitted to the second unit and is received by the at least one further wireless unit. The direct communication channel is established between the first unit and the second unit for transmission the second portion. During the transmission of the second portion, the at least one further unit abstains from communications using the direct communication channel.

US Patent:

6837775, Jan 4, 2005

Filed:

Dec 6, 2001

Appl. No.:

10/010663

Inventors:

Umang Anand - Baltimore MD, US
Joseph Katz - Baltimore MD, US

International Classification:

B24B 100

US Classification:

451 38, 451 40, 451102

Abstract:

An abrasive, fluid jet cutting apparatus, and its method of construction and operation, are disclosed that reduce the wear and erosion problems typically experienced in the cutting jet's mixing tube. This improved fluid jet cutting apparatus comprises (a) a chamber having an inlet for receiving a pressurized fluid jet, a port for receiving a flow of abrasive particles which are entrained into the fluid jet, and an exit through which the fluid jet and entrained abrasives exit the chamber, (b) a mixing tube having an entry port for receiving said fluid jet and entrained abrasives, an inner wall for directing the flow of said fluid jet and entrained abrasives, and an outlet port through which said fluid jet and entrained abrasives exit said tube, wherein the tube entry port is proximate the chamber exit, (c) a lubricating fluid reservoir that surrounds at least a portion of the outer wall of the mixing tube, (d) wherein at least a portion of the mixing tube wall is porous, and (e) wherein the lubricating fluid passes from the lubricating reservoir and through the porous wall to lubricate at least a portion of the surface of the mixing tube wall so as to resist erosion of the tube wall when the fluid jet and entrained abrasives flow through the mixing tube.

US Patent:

6935566, Aug 30, 2005

Filed:

Jun 27, 2000

Appl. No.:

09/604196

Inventors:

Altaf Mulla - Merrick NY, US
Frederick F. Wood - Medford NY, US
Miklos Stern - Flushing NY, US
Joseph Katz - Stony Brook NY, US
Shane MacGregor - Rocky Point NY, US
Chinh Tan - Centerreach NY, US

Assignee:

Symbol Technologies, Inc. - Holtsville NY

International Classification:

G06K007/10

US Classification:

23547201, 23546245

Abstract:

A portable instrument incorporates an electro-optical assembly for reading indicia during for projecting a bit-mapped image during a display mode. A manually operable switch on the instrument is disposed for selecting one of the modes. The image is formed by pulsing a laser at selected times on selected scan lines.

Author:

Joseph Katz

ISBN #:

0029172217

Author:

Joseph Katz

ISBN #:

0070504466

Author:

Joseph Katz

ISBN #:

0208014462

Author:

Joseph Katz

ISBN #:

0080063748

Author:

Joseph Katz

ISBN #:

0517478587

Author:

Joseph Katz

ISBN #:

0521662192

Author:

Joseph Katz

ISBN #:

0521665523

Author:

Joseph Katz

ISBN #:

0608309249