Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2002-05-20
2004-07-13
Pham, Toan (Department: 2632)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S545300, C340S541000, C340S565000, C340S628000, C379S040000, C379S043000, C379S044000
Reexamination Certificate
active
06762686
ABSTRACT:
FIELD OF THE INVENTION
The present invention is directed to an interactive wireless home security system, utilizing wireless interactive programmable detectors to provide direct wireless communication to the police department and/or the fire department, when a dangerous condition is sensed.
BACKGROUND OF THE INVENTION
Each year thousands of people die horrible deaths from fires in America. Eighty percent of these fires are residential fires. When undetected, these fires may lead to serious injury or death. Current home security devices are intended to get the attention of the occupants inside the home.
Burglary and fire hazard accidents are the leading cause of death in the US. Monitoring stations are sometimes used to monitor a home when the occupants are away. These monitoring stations are expensive,
The government has made it a law that all businesses have fire extinguishers and many other fire protection devices. But homes are not tied to this law. Most fires start from residential areas. More civilian deaths are from fire rather than car accidents. Yet, more emphasis is placed on car safety, than on home safety. It is far more expensive to repair damages caused by fire than it is to repair damages caused by car accidents.
Fire often occurs in places that are not easily noticed during the initial phase, when the fire is most easily controlled. The sooner a fire or burglar is detected, the more quickly the fire or police department can respond.
Statistics show that a burglary is committed some where in America every ten seconds. Only 16.5% of U.S homes have burglar alarms. The burglary rate in neighboring geographical areas often varies according to the residents age and lifestyles, the proximity to high crime areas, zoning regulations, and land use. The burglar is sometimes equipped to kill. Thus knowledge of the location of the burglar is essential to quick apprehension.
SUMMARY OF THE INVENTION
The interactive wireless home security detector disclosed herein, is designed to protect homes from burglary, fire, smoke, carbon monoxide poisoning, and forced entry. In an emergency, the interactive wireless home security detector is programmed to call the Police, Fire department, relatives, and/or the homeowner's office or cell phones. The wireless home security detector communicates with other detectors when activated, and an alarm for the detected activity is enabled to alert the environment about such activity. The activated alarm will enable an inferred detector, which will emit rays to detect the presence of human body temperature in the area of the alarm. When a human body temperature is sensed, the alarm will stay on, to identify the location of the person. If the person moves from room to room, the alarm will follow the movement of the person to aid in locating the person. The interactive security alarm system is self monitoring, and designed to monitor all activities in the home, using digital wireless and line communication and a sensing means to transfer data from homes directly to the proper authorities. Detectors take pictures of any unauthorized entry, and broadcast a human voice response in addition to notifying authorities. Signs may be used to warn an unauthorized person of the presence of the security device.
The interactive system is programmable and monitors the entire house. Radio wave signals and/or microwave signals are used to communicate an alarm condition to the authorities. The microprocessor and sensors are installed in the system to allow the systems to communicate and recognize the unique identification codes of each sensor. A control panel touch pad is used to program the interactive security detectors. Batteries are used to energize the remote sensors. The receiver uses redundant, spatially diverse antennas that virtually eliminate the chance of missing signals. The interactive detecting system also uses phone lines and radio transmissions to send signals to the proper authorities. The reporter has a built in energy storage capacity that will allow it to communicate with the proper authorities, even if the home power is out. The sensors pick up signals when activated, and emit a radiant code that is energized by the radio waves or microwaves and absorbed by other sensors in the house. The radio frequency of the signals varies during use, to improve reliability.
The sensors are programmed with a unique identification code so that no two sensors within the range of the control panel have the same identity. A built in microprocessor controls intelligence, and includes sophisticated decoding capabilities that won't allow signals from the wrong sensor to trip the alarm. The wireless security system won't communicate with another wireless device such as cordless phone unless they are coded to communicate to each other. The system uses two antennas with “spatial diversity” for receiving signals.
In the learn mode, the reporter will automatically program each function introduced to it. Sensors can be added or deleted from the system to meet the need for an improved home security system.
Wireless sensors, when activated, will allow communication between the sensor and the reporter. The sensors have two basic functions; the first is to detect a change of state, and the second is to communicate or send a message about the change of state to various authorities. The messages sent by the interactive security detectors are very specific and are sent to selected receivers. The receivers include other motion detectors and fire alarms, and also include messages to the proper authorities. This system encodes information by modulating an electromagnetic wave, which radiates out in all directions from the transmitter's antenna. Battery power empowers the transmitter antenna, and allows the sensors to propagate through space to reach the receiver antenna.
The interactive detecting device uses radio waves and/or microwaves as the communication medium, which is intended to incorporate human voice into the transmitted messages. When the coded signal reaches the receiver antenna, the receiver will then interpret and decode the received information, translate it into a message that is indicative of the danger, and passes the information and the location of the sensor through the reporter to the authorities, whether it is an intrusion, fire, medical, or environmental sensor.
The emitting code for each sensor is different. The sensors are programmed with unique coded sensor numbers, to avoid false activation.
The transmitter consists of a radio frequency oscillator that will generate the carrier frequency and also modulates to impose the message into the carrier frequency while the antenna emits or radiates the signal. The sensor will detect the environmental changes and also allows the transmitter to communicate these changes to the proper authorities.
An automatic controller controls the different signals transmitted from a burglar entering the home, or the existence of fire inside the home. The controller has a diode that is used for diffusion to allow the controlled circuit to be integrated. The semiconductor, which draws very little current from the battery, allows the free electrons to be drawn towards the positive potentials, permitting the resulting movement of the electron to drift each time there is a detection.
When smoke is detected, the charge carrier will repel each other from the areas of higher concentration to lower concentration to allow for a precise detection of the location of a fire. The low current will flow when sensing an intruder due to diffusion, to activate the alarm even without an applied voltage. Due to the diffusion, a potential difference will develop as the detector is activated. Since the receiver is programmed to only hear certain codes, false alarms will not be caused by radio signals from sources like garage doors or TV remote control, or airplanes passing overhead. The stay mode will allow the system to be on, but the occupants can move inside the protected area without setting the alarms off. When in the away mode
Krieg DeVault Lundy LLP
Pham Toan
LandOfFree
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