Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2000-08-09
2001-08-28
Lee, Benjamin C. (Department: 2632)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S573100, C340S693500
Reexamination Certificate
active
06281800
ABSTRACT:
BACKGROUND OF THE INVENTION
Reports on crime continue to consume evening television and radio news broadcasts and fill the pages of newspapers throughout North America and other places in the world, particularly in urban areas. One practical solution is the use of devices by law-abiding citizens to attract attetion to themselves when confronted by a criminal intent on comitting a violent act. Various attempts have been made to address the forgoing problem of inconspicous crimes against persons, at least at the primary crime scene. For example, in my U.S. Pat. No. 5,748,089 and U.S. Pat. No. 6,130,616, both of which are hereby incorporated by reference in their entirety. I disclosed a portable personal security system having multiple distress signals for attracting attention to a crime scene. The system includes a battery pack and is contained within the body of a carrying bag having a carrying strap, an interior component compartment and a space for holding personal items. A siren and a visual signal generator disposed within the component compartment proximate openings selectively generate a loud distinguishable noise and a visual signal. Preferably, an arming switch is first placed in an “armed” position, such that a panic switch simultaneously activates the siren and the visual signal.
In my U.S. Pat. No. 5,748,089, the preferred visual signal generator included a spark flare and an igniter electrically mounted on a base plate disposed within the component compartment and connected with the battery pack. The visual signal could also be a high intensity strobe lamp electrically connected with the battery pack, whereupon actuation emits a high-intensity and high frequency light signal through the visual window. A panic switch comprised a rotatable key lock switch located on the inner front side of the external skin of the bag, having an “on” and “off” position operated by a removable key, where the system is activated only upon turning the key to the “on” position and can be deactivated upon turning the key to the “off” position. Alternatively, a key fob having a pressure sensitive switch coupled with an activation receiver disposed within the component compartment can serve as a panic switch, such that the system is activated only upon depression of the pressure sensitive switch and deactivated only upon turning the arming switch to the “unarmed” position. The system preferable included as a strap having a thin cable screwed into frame of the bag to avoid theft of the portable personal security system while being carried.
The aforementioned invention represented a significant improvement over the prior art. For example, one prior art approach is passive, as taught by U.S. Pat. No. 3,881,534, and includes a handbag provided with an detachable inner purse secured to a chain attached to the user. When a purse-snatcher attempts to forcibly steal the purse, the detachable inner purse holding the user's valuables remains attached to the user and defeats the objectives of the criminal. Although possibility “creating a scene” during the criminal event, such devices do not actively signal and accordingly do not effectively draw attention to the criminal act so that help can be summoned from other citizens or the police.
Other devices are disclosed in U.S. Pat. Nos. 3,701,140 and 4,067,290 as an audible alarm coupled between a woman's purse and purse handle. A sudden force exerted on the purse handle activates the audio alarm, such as during a purse snatching event. However, these devices are only operable during a purse snatching event and would be useless as a means of attracting attention for other, often more serious, crimes. Similarly, U.S. Pat. No. 4,759,309 discloses a hand-held audio alarm unit fueled by compressed gas that automatically activates when released, for example, through the sudden reaction of a crime victim. A drawback of this approach is that the automatic activation feature tends to promote false alarms and depletion of the compressed gas, possibly rendering it inoperative when needed.
U.S. Pat. No. 4,843,371 discloses an alarm system for inducing a thief to drop a stolen briefcase. A flashing light is taught that is triggered, along with other features, when an incorrect lock combination is used or the briefcase is stolen. Nothing is disclosed that allows a panic alarm for the rightful carrier of the briefcase while it is being carried. In fact, it is taught that the briefcase is to be charged with high voltage, rendering it impossible for the rightful carrier to simultaneously carry the briefcase and activate a visual and audio alarm.
While my U.S. Pat. No. 5,748,089 generally addressed and solved the aforementioned drawbacks in the prior art, it has been learned that improvements were still possible, particularly with regard to the nature of the bag, the compartment within which the alarm system is housed and concealed, the compartment within which personal articles might be carried and the location and nature of the panic switch. More particularly, it has been found that a more utilitarian design for use by both women and men is desired, particularly in urban college and hospital campus found in many, if not most, urban areas and that a separate arming switch may be, in some circumstances, undesirable.
Also sought were improved anti-theft capabilities and an improved location so that the alarm system is most efficiently employed. Bags carried by hand are usually at or near a user's knees and bags carried under an arm are usually partially hidden by the arm. Both locations tend to interfere with the visual signal and/or tend to muffle the audio signal, limiting the effective range of the security device. Moreover, it is desired that an improved panic switch be provided that is conveniently located for immediate activation under virtually all circumstances, yet incapable of being conveniently turned off. Finally, a more efficient manner of carrying the security device was sought. Improved access to the compartment within which the alarm system is housed was desired, in order to improve the convenience of replacing the alarm system batteries.
SUMMARY OF THE INVENTION
In accordance with the foregoing drawbacks associated with the state of the art prior, even in light of my U.S. Pat. No. 5,748,089 and co-pending U.S. application Ser. No. 09/314,365, it is an object of the present invention to universally provide women, men and children with an effective device for portable personal security while away from home, where the device is easily carried within a bag having the appearance of a conventional backpack, the backpack further being capable of carrying other necessary and desired items. It is a further object of the present invention to provide a portable personal security system that will emit distress signals at a higher relative height when activated that can be seen and heard for over great distances.
It is another object of the present invention to provide a portable personal security system which, once activated, will continue to function despite a criminal's attempt to shut the unit off.
It is still a further object of the present invention to provide women, men and children with a device that will carry everyday items within a large compartment, while the alarm system is housed in a separate and conveniently accessible compartment of the backpack.
A still further object of the present invention is to provide a portable personal security system provided with an anti-theft strap that fastens to both shoulder straps of the backpack, across the user's chest, such that the anti-theft strap prevents the personal security system from easily being taken from the user when activated.
Another object of the present invention is to provide a personal security backpack with a readily accessible panic switch mounted to one of the shoulder straps of the backpack.
These and additional objects of the present invention may be determined from a review of the instant disclosure, disclosing a personal security backpack having multiple distress sign
Lee Benjamin C.
Price Heneveld Cooper DeWitt & Litton
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