Exhibition Highlights New Sensors, Devices for Perimeter Security, Law Enforcement

By Meadows, Sandra I. | National Defense, September 1997 | Go to article overview

Exhibition Highlights New Sensors, Devices for Perimeter Security, Law Enforcement


Meadows, Sandra I., National Defense


A number of manufacturers of security products displayed sophisticated systems at ADPAJNSIA's Security Technology Symposium in Virginia Beach, Virginia, earlier this summer

A compact chemical agent detector by Microsensor Systems Inc., Bowing Green, Kentucky, picks up trace levels of the gases. The instrument, called CW Sentry, is fully automated and designed for fixed installation, where 24 hour-a-day monitoring is needed, says company Vice President N. Lynn Jarvis

A cargo X-ray system made by EG&G Astrophysics, Bethesda, Maryland, gives a detailed inspection of large, loaded trucks and containers without having to open them. Company officials say the system is useful for catching illegal goods, arms, ammunition, and other contraband. Potential users include customs authorities, carriers, port authorities, and cargo owners.

Lockheed Martin Command and Control Integration Systems, Manassas, Virginia, offers a portable intrusion detection system-a stand-along, battery operated set up designed to travel with the asset it is to protect It operates in an intrusion detection mode or in conjunction with closed circuit television. When a perimeter barrier is violated, a radio message is transmitted via very high frequency to designated receivers.

A perimeter security system called Intrepid by Southwest Microwave Inc., Tempe, Arizona, offers security for fenced outdoor areas. Using Micro Point cable, the system detects any fence disturbance and locates itto within 3 meters, say company officials. Precise location allows digital signal processing algorithms to detect any attempt to climb the fence while ignoring distributed noise from wind, rain, or heavy vehicles.

Metalfrisk, a hand-held metal detector, uses a digital computer circuit This technology ,says its manufacturer Control Screening LP, Greensburg, Pennsylvania, enables these units to have higher reliability and operational effectiveness. Company officials point out that with Metafrisk, law enforcement personnel can search persons without having to touch them.

Perimeter Products Inc., Mountain View, Califomia, makes a bi-static microwave sensor system for outdoor security. It consists of a transmitter and a receiver located up to 600 feet apart. Detection of intruders is achieved by using a modulated amplitude sensitive muitipath system. Intrusion is captured by an invisible pattern of microwave energy existing between the transmitter and the receiver.

A Willow Grove, Pennsylvania-based firm, INS Inc., specializes in developing covers for electronic and surveillance equipment that is meant to operate covertly. …

The rest of this article is only available to active members of Questia

Already a member? Log in now.

Notes for this article

Add a new note
If you are trying to select text to create highlights or citations, remember that you must now click or tap on the first word, and then click or tap on the last word.
One moment ...
Default project is now your active project.
Project items

Items saved from this article

This article has been saved
Highlights (0)
Some of your highlights are legacy items.

Highlights saved before July 30, 2012 will not be displayed on their respective source pages.

You can easily re-create the highlights by opening the book page or article, selecting the text, and clicking “Highlight.”

Citations (0)
Some of your citations are legacy items.

Any citation created before July 30, 2012 will labeled as a “Cited page.” New citations will be saved as cited passages, pages or articles.

We also added the ability to view new citations from your projects or the book or article where you created them.

Notes (0)
Bookmarks (0)

You have no saved items from this article

Project items include:
  • Saved book/article
  • Highlights
  • Quotes/citations
  • Notes
  • Bookmarks
Notes
Cite this article

Cited article

Style
Citations are available only to our active members.
Buy instant access to cite pages or passages in MLA, APA and Chicago citation styles.

(Einhorn, 1992, p. 25)

(Einhorn 25)

1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

Cited article

Exhibition Highlights New Sensors, Devices for Perimeter Security, Law Enforcement
Settings

Settings

Typeface
Text size Smaller Larger Reset View mode
Search within

Search within this article

Look up

Look up a word

  • Dictionary
  • Thesaurus
Please submit a word or phrase above.
Print this page

Print this page

Why can't I print more than one page at a time?

Help
Full screen

matching results for page

    Questia reader help

    How to highlight and cite specific passages

    1. Click or tap the first word you want to select.
    2. Click or tap the last word you want to select, and you’ll see everything in between get selected.
    3. You’ll then get a menu of options like creating a highlight or a citation from that passage of text.

    OK, got it!

    Cited passage

    Style
    Citations are available only to our active members.
    Buy instant access to cite pages or passages in MLA, APA and Chicago citation styles.

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn, 1992, p. 25).

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences." (Einhorn 25)

    "Portraying himself as an honest, ordinary person helped Lincoln identify with his audiences."1

    1. Lois J. Einhorn, Abraham Lincoln, the Orator: Penetrating the Lincoln Legend (Westport, CT: Greenwood Press, 1992), 25, http://www.questia.com/read/27419298.

    Cited passage

    Thanks for trying Questia!

    Please continue trying out our research tools, but please note, full functionality is available only to our active members.

    Your work will be lost once you leave this Web page.

    Buy instant access to save your work.

    Already a member? Log in now.

    Author Advanced search

    Oops!

    An unknown error has occurred. Please click the button below to reload the page. If the problem persists, please try again in a little while.