Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Donald L. Roberts Patents
Inventor:
Roberts; Donald L.
Address:
Escondido, CA
No. of patents:
22
Patents:




Patent Number Title Of Patent Date Issued
7064664 Graffiti detection system and method of using the same June 20, 2006
The present invention involves a system and method for detecting a graffiti-making act such as the spray of a spray paint can, the writing with a felt-marker pen on a surface, and the scratching with an abrasive instrument on a surface. The system includes one or more sensors adapted
6961002 Sonic detection system and method of using the same November 1, 2005
A method of sonically detecting a sonic act such as a graffiti-making act or firearm shot includes providing a sonic act detection system to sonically detect a sonic act and a camera to take an image of a perpetrator of the sonic act; locating the sonic act detection system and the c
6632168 Magnetic therapeutic device and method of use October 14, 2003
A magnetic therapeutic device for application to a target pain or injury area under a user's skin includes a plurality of hook-like members for attaching to an inner surface of a user's clothing adjacent the target pain or injury. In an embodiment, the device further comprises a plastic
6600417 Graffiti detection system and method of using the same July 29, 2003
The present invention involves a system and method for detecting a graffiti-making act such as the spray of a spray paint can, the writing with a felt-marker pen on a surface, and the scratching with an abrasive instrument on a surface. The system includes one or more sensors adapted
6288643 Graffiti detection system and method of using the same September 11, 2001
The present invention involves a system and method for detecting a graffiti-making act such as the spray of a spray paint can, the writing with a felt-marker pen on a surface, and the scratching with an abrasive instrument on a surface. The system includes one or more sensors adapted
6281792 Firearm shot detection system and method of using the same August 28, 2001
The present invention involves a system and method for detecting a firearm shot. The system includes one or more sensors adapted to sense the firearm shot and transmit a signal representative of the firearm shot, and a base unit including electronics adapted to process the signal and det
6281787 Vehicle tire leak detection system and method of using the same August 28, 2001
The present invention involves a system and method for detecting a vehicle tire leak. The system includes one or more sensors adapted to detect the vehicle tire leak and transmit a signal representative of the vehicle tire leak, and a base unit including electronics adapted to process th
4986286 Tobacco treatment process January 22, 1991
Flavorful tobacco substances are provided by extracting tobacco with water, spray drying the resulting liquid tobacco extract, contacting the spray dried extract with a glycerine carrier, and subjecting the extract and carrier to a temperature above 150.degree. C. for a period of time
4949736 Variable ventilation mouthpiece for a smoking article August 21, 1990
A variable ventilation mouthpiece for a smoking article includes first and second sets of vents, the first set serving to admit ambient air into the mouthpiece, and the second set adapted to variably introduce the admitted air into the smokestream for varying the level for dilution of th
4947875 Flavor delivery articles utilizing electrical energy August 14, 1990
Flavor delivery articles employ an electrical resistance heating element and an electrical power source to provide a flavored aerosol. The articles advantageously comprise a disposable portion and a reusable controller. The disposable portion normally includes a flavor substance and an a
4947874 Smoking articles utilizing electrical energy August 14, 1990
Smoking articles employ an electrical resistance heating element and an electrical power source to provide a tobacco-flavored smoke or aerosol and other sensations of smoking. The smoking articles advantageously comprise a disposable portion and a reusable controller. The disposable port
4922901 Drug delivery articles utilizing electrical energy May 8, 1990
Drug delivery articles employ an electrical resistance heating element and an electrical power source to provide a dose of a drug in aerosol form. The articles advantageously comprise a disposable portion and a reusable controller. The disposable portion, normally includes a drug and an
4867182 Temperature/humidity controlled valve for a smoking article September 19, 1989
A smoking article having a valve system for closing off the flow of smoke to the user in response to an increase in temperature or humidity. The valve system includes a plastic body with a hollow valve chamber communicating with a smoke passage. A valve element is located in the cham
4819665 Aerosol delivery article April 11, 1989
An aerosol delivery article is capable of producing substantial quantities of smoke, both initially and over the useful lifetime of the product, without significant thermal degradation of the aerosol former and without the presence of substantial pyrolysis or incomplete combustion produc
4735636 Nucleation separator for flue gas April 5, 1988
Processes and apparatus are disclosed for the separation and collection of contaminants from combustion chamber flue gas by means of heterogeneous nucleation and droplet accretion. The embodiment of the invention is based on: (1) A means of saturating the flue gas proportional to the con
4729391 Microporous materials in cigarette filter construction March 8, 1988
Flavor-carrying microporous polymer material is incorporated with a cigarette filter to release flavor into the smoke-stream during smoking of the cigarette.
4643205 Smoking product February 17, 1987
A smoking product having an improved flavor is prepared by applying a naturally occurring terpenoid glycoside sweetener to the portion of the product that is intended to be contacted by the smoker's lips.
4638820 Puff control cigarette January 27, 1987
A smoking article which delivers to a smoker during each puff a flowstream having a higher concentration of smoke during the first portion of the puff and a lower concentration of smoke during the remainder of the puff.
4293792 Color picture tube having improved slit type shadow mask October 6, 1981
A color picture tube having a cathodoluminescent screen, electron gun and a slit type apertured mask located between the screen and gun, wherein the slits in such mask are arranged in columns and the slits in each column are separated by webs, has an improved web configuration. Alternate
4035579 Pulse-code modulated video reproducer utilizing linear arrayed lenses July 12, 1977
A video playback system utilizing a vertically moving strip of photosensitive film on which linear bit fields containing a pulse-code modulated (PCM) representation of a television picture have been recorded. The system includes an illuminating means which successively scans a horizo
3996940 Tobacco product December 14, 1976
Addition of substituted pyrrole compounds to tobacco to enhance the flavor and/or aroma thereof.
3996570 Optical mass memory December 7, 1976
A data recording and retrieval system wherein a beam of coherent radiation is optically formed into an intense spot and deflected by first and second deflecting means to impinge upon a storage medium. The beam is spot-focused by a lens system which includes a multiple lens array, and


 
 
  Recently Added Patents
Integrated circuit capable of marker stripping
Portion of a connector
Plate
Automobile
Autonomous interrogating transponder for direct communications with other transponders
Distributed workflow techniques
Integrated circuit device including interface circuit and electronic apparatus
  Randomly Featured Patents
Interconnector
6,11-Dihydro-11-(N-substituted-4-piperidylidene)-5H-benzo(5,6)cyclohepta( 1,2-B)pyridines and compositions and methods of use
Fan device
Wound roll of fibrous material
Sewing machine capable of embroidering
Accurate UHF television tuning system and method of fabricating same
Method of testing semiconductor elements
Electrical cable with reinforcement
Storage battery
Pruners