16 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "burglar alarms"  
Results: 1 - 16

Burglar-Alarm.

Description: Patent for a burglar alarm, designed to be simply constructed and installed.
Date: November 29, 1921
Creator: Stephens, William B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar-Alarm.

Description: Patent for a burglar alarm device that is triggered by the movement of a door or window, including illustrations.
Date: October 30, 1917
Creator: Alderman, Joseph S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar Alarm.

Description: Patent for a new and improved burglar alarm. This design "consists in the combination of the lock-frame with a pivoted plate which is connected to it at one end, and which plate carries the nipple to receive the catch, and is provided with sharp points to catch in the jamb of the door, with a sidewise-moving trigger, which is operated by the door, and a set-screw for securing the lock-plate in position upon the door" (lines 13-21).
Date: June 26, 1883
Creator: Wright, William Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar Alarm.

Description: Patent for a new and improved burglar alarm. This design "consists in a wire attached to the anchor or escapement-lever of a clock-work for ringing or sounding an alarm bell, which wire has a hook at its outer end, which is passed into a loop, ring, or hook at the end of a wire connected with the key-bolt or knob-bolt of a lock, or with a wire leading to places a considerable difference from the alarm" (lines 11-18).
Date: September 20, 1881
Creator: Holloman, Harvey Allen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric Fire and Burglar Alarm

Description: Patent for new and useful improvements to fire and burglar alarms. The invention includes improvements so that frequent battery changes are not necessary.
Date: February 5, 1918
Creator: Bates, Lewis E. & Hanks, Vollie V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar Alarm.

Description: Patent for a new and improved burglar alarm. This design "consists in the combination of the door provided with a rod for catching under the spring, a cylinder for receiving powder, a spring-actuated cover for the end of the cylinder, and a spring which explodes the cap . . . The object of [the] invention is to provide a burglar-alarm which will make a loud noise when the door is opened, and in which a spring-actuated cover is made to take the place of a wad or ball" (lines 13-24).
Date: August 10, 1886
Creator: Bray, Horace Bradford
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Burglar Alarm.

Description: Patent for a new and improved burglar alarm. This design consists in "[t]he combination of the casing, the shaft having the winding-drum, the rope connected to the latter passing over a pulley and having a weight attached thereto, a ratchet-wheel at one end of the shaft, a pitman connecting said ratchet-wheel with the alarm-sounding mechanism, a spring-latch engaging the ratchet-wheel and having a cam-lever pivoted in a notch at its front end, the lamp having a scratch-plate attached to its bur… more
Date: August 27, 1889
Creator: Carter, Elmira
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Crime prevention]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: May 28, 1982, 10:00 p.m.
Duration: 2 minutes 41 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Home security]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5 P.M.
Date: November 19, 1980
Duration: 1 minute 44 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Burglar alarms]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: June 18, 1980, 6:00 p.m.
Duration: 1 minute 46 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Alarm]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: November 17, 1981, 10:00 p.m.
Duration: 1 minute 57 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Fort Worth crime]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: September 6, 1980, 11:00 p.m.
Duration: 1 minute 57 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Phone alarm]

Description: Video footage from the WBAP-TV station in Fort Worth, Texas to accompany a news story about a telephone company that will set silent burglar alarms to stop the burglary of coins in pay phones.
Date: August 9, 1964
Duration: 1 minute 15 seconds
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
Back to Top of Screen