Method and apparatus for optimization of wireless communications
These and other objects of the present invention are achieved by the method and apparatus according to the present invention. The present invention comprises a unique wireless transmission structure, ... Read More
Inventors: Addy, Kenneth Lyle;, Assignee: Pittway Corporation (Chicago, IL) |
Anti-theft method for detecting the unauthorized opening of containers and baggage
The present invention introduces a method for protecting against the unauthorized opening of shipping containers which is disclosed in the several embodiments following. A first embodiment comprises a... Read More
Inventors: Tuttle, John R.;, Assignee: Micron Communications, Inc. (Boise, ID) |
Remote detecting system and method
It is an object of the present invention to provide remote detecting systems and methods which overcome the inherent disadvantages of battery-powered detectors which detect the existence of hazardous ... Read More
Inventors: Weiss, John; Bodner, Gerald T.;, Assignee: Micro Weiss Electronics (West Babylon, NY) |
Apparatus and method for local encryption control of a global transport data stream
OF PREFERRED EMBODIMENTS FIG. 4 is a format diagram of a representative transport data stream. Video and audio data are prepared in the form a packetized elementary stream having a header, a presenta... Read More
Inventors: Thatcher, William Bradford; Wasilewski, Anthony J.;, Assignee: Scientific-Atlanta, Inc. (Norcross, GA) |
Wireless activation of multiple alarm devices upon triggering of a single device
In accordance with the present invention, a method for activating an alarm notification device in response to occurrence of an alarm condition is provided comprising the steps of sensing an alarm cond... Read More
Inventors: Addy, Kenneth L.;, Assignee: Pittway Corporation (Chicago, IL) |
Frequency hopping system for intermittent transmission
Referring to FIG. 4, the frequency hopping system includes a radio receiver 401 and a plurality of radio transmitters 402, 403, 404 and 405. The radio receiver includes a system interface 410 through... Read More
Inventors: Partyka, Andrzej;, Assignee: |
Automated home control using existing electrical lines as a communications medium
The invention includes a home automation system that utilizes a combination of high-bandwidth and low-bandwidth communication protocols over the same household electrical wiring. A system in accordanc... Read More
Inventors: Odinak, Gilad;, Assignee: Microsoft Corporation (Redmond, WA) |
United home security system
Accordingly, it is an object of the present invention to provide a united home security system, which needs no wiring work and which can provide better security a tremendous amount of customers. Under... Read More
Inventors: Chen, Scanner;, Assignee: Tempa Communication Inc. (Taipei, TW) |
Anti-theft device using code type transponder
It is therefore an object of the present invention to provide a method and a device with which it is possible to register a new key having a code type transponder. The above object is achieved accordi... Read More
Inventors: Honda, Takayoshi;, Assignee: Denso Corporation (Kariya, JP) |
Security system for a building complex having multiple units
FIG. 1 is a functional block diagram of a security system 10 for use in a building complex having multiple units. As shown in FIG. 1, security system 10 includes a main controller 12, unit systems 14... Read More
Inventors: Brunius, Robert;, Assignee: Interactive Technologies, Inc. (North St. Paul, MN) |
Reduced power supervisory message transmission in a wireless alarm system
OF THE PREFERRED EMBODIMENT FIG. 1 illustrates a block diagram of an alarm system 10, which comprises a central receiver control unit 12, a plurality of alarm sensor transmitters 14, and a console 16... Read More
Inventors: Addy, Kenneth L.;, Assignee: Pittway Corp. (Chicago, IL) |
Inexpensive modulated backscatter reflector
The present invention claims an inexpensive modulator for an RFID system for short range applications. An inexpensive Complementary Metal Oxide Semiconductor (CMOS) gate is used in place of the typic... Read More
Inventors: Shober, R. Anthony; Sweetman, Eric; Wright, Gregory Alan;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Remote indication device for use in wireless security systems
In accordance with the present invention a method provides status to a user in wireless communication systems which comprises the steps of receiving a first radio frequency signal while operating in a... Read More
Inventors: Addy, Kenneth L.;, Assignee: Pittway Corp. (Chicago, IL) |
High power control signal transmission and low power data signal transmission in a wireless security system
In accordance with the present invention, a method for maximizing transmission power levels in wireless security systems is provided, which comprises the steps of generating a message, generating a tr... Read More
Inventors: Addy, Kenneth L.; Schmit, Thomas P.; Adamo, Patrick;, Assignee: Pittway Corp. (Chicago, IL) |
Communications systems and methods
In accordance with the present invention, processors in electrical devices which are a part of a multiple processor communication system can be loaded with a variety of executable programs or data fil... Read More
Inventors: Tice, Lee D.; McCuen, Steven W.; Kurtz, Edward J.; Hawkinson, Daniel C.;, Assignee: Pittway Corporation (Chicago, IL) |
Spread spectrum frequency hopping system and method
The present invention recognizes and addresses the foregoing disadvantages, and others, of prior art constructions and methods. Accordingly, it is an object of the present invention to provide an impr... Read More
Inventors: Brennan, Jr., William J.;, Assignee: Neptune Technology Group Inc. (Tallassee, AL) |
QPSK modulated backscatter system
One class of RFID applications involves using RFID technology to read information from a Tag affixed to a container or pallet. In this application, the container is moved across the reading field of ... Read More
Inventors: MacLellan, John Austin; Shober, R. Anthony; Vannucci, Giovanni; Wright, Gregory Alan;, Assignee: Lucent Technologies Inc. (Murray Hill, NJ) |
Meshed telemetry system using frequency hopping for intermittent transmission
The illustrative embodiment of the present invention comprises a plurality of telemetry systems where each system comprises several remote telemetry transmitters to intermittently transmit short durat... Read More
Inventors: Partyka, Andrzej;, Assignee: |
System and method for selective recovery of a failed overhead channel in a wireless network
To address the above-discussed deficiencies of the prior art, it is a primary objective of the present invention to provide, for use in a wireless network base station, the base station capable of com... Read More
Inventors: Ji, Li; Thao, Laly;, Assignee: Samsung Electronics Co., Ltd. (Suwon, KR) |
Apparatus and method for recovering a clock signal for use in a portable data carrier
OF A PREFERRED EMBODIMENT The present invention encompasses a portable data carrier (e.g. a smart card) that includes a radio frequency (RF) receiving circuit that is tuned to receive power signals o... Read More
Inventors: Hill, Michael John;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for controlling an extensible computing system
According to one aspect of the invention, the foregoing needs, and other needs and that will become apparent from the following description, are achieved by a method and apparatus for controlling and ... Read More
Inventors: Aziz, Ashar; Markson, Tom; Patterson, Martin; Gray, Mark;, Assignee: Terraspring, Inc. (Fremont, CA) |
Event-recording devices with identification codes
The present invention provides a device that can be interrogated to determine its identity and its state. The state indicates whether one or more particular physical or chemical events have taken plac... Read More
Inventors: Watters, David G.; Huestis, David L.; Bahr, Alfred J.; Vidmar, Robert J.;, Assignee: SRI International (Menlo Park, CA) |
Radio frequency security system and method for a building facility
The method of the present invention is arranged to reduce security risks in or adjacent to a building facility where there are in, or proximate to, the building facility components which comprise one ... Read More
Inventors: Runyon, Larry; Gunter, Wayne M.; Gilbert, Ronald W.;, Assignee: Battelle Memorial Institute (Richland, WA) |
Wireless identification device, RFID device with push-on/push off switch, and method of manufacturing wireless identification device
The invention provides a wireless identification device including a housing, and circuitry in the housing configured to provide a signal to identify the device in response to an interrogation signal. ... Read More
Inventors: Tuttle, Mark E.;, Assignee: Micron Technology, Inc. (Boise, ID) |
Personal alerting apparatus and methods
OF THE INVENTION The present invention includes methods and apparatus for detecting an event, and for alerting a user of the occurrence of the event by way of a message, wherein the user can be at ne... Read More
Inventors: Skinner, Davey N.;, Assignee: Hewlett-Packard Development Company, L.P. (Houston, TX) |
Wireless event-recording device with identification codes
The present invention provides a device that can be interrogated to determine its identity and its state. The state indicates whether a particular physical or chemical event has taken place. In effect... Read More
Inventors: Watters, David G.; Huestis, David L.; Bahr, Alfred J.;, Assignee: SRI International (Menlo Park, CA) |
ID registration method for tire pressure sensor, ID registration apparatus, ID registration tool for tire pressure monitoring system, and tire with air pressure sensor
It is therefore an object of the present invention to prevent mistaken ID registration in a tire pressure monitoring system. For this purpose, in accordance with an aspect of the present invention, th... Read More
Inventors: Itou, Shintarou;, Assignee: Denso Corporation (Kariya, JP) |
Fluid dynamic linear accelerometer
It is therefore an object of the present invention to provide a fluid dynamic linear accelerometer. It is a further object of the present invention to provide said fluid linear accelerometer that does... Read More
Inventors: Keyser, David R.;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
Acceleration sensing ring laser gyroscope
The present invention discloses a ring laser gyroscope that functions both as a standard gyroscope and as an accelerometer. The accelerometer capability results from measurement of small optic axis sh... Read More
Inventors: Ficalora, Joseph P.; Grasso, Mark S.;, Assignee: AlliedSignal Inc. (Morris Township, Morris County, NJ) |
Micromechanical angular accelerometer with auxiliary linear accelerometer
OF THE INVENTION Referring to FIGS. 1 and 2, a micromechanical accelerometer 20 comprises a transducer element 22 which is suspended by a pair of flexible linkages 24 above a void 26 in a mass of sil... Read More
Inventors: Grieff, Paul; Boxenhorn, Burton; Weinberg, Marc S.;, Assignee: The Charles Stark Draper Laboratory, Inc. (Cambridge, MA) |
Communications 
