Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Reexamination Certificate
2002-06-19
2004-05-11
Beaulieu, Yonel (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
Reexamination Certificate
active
06735506
ABSTRACT:
FIELD OF THE INVENTION
The present invention is related to methods and apparatus for sensing and determining the status of occupants in a vehicle prior to, during and/or after an accident or deployment of an airbag and transmitting data relating to the occupants to a remote facility such as an emergency response station.
The present invention also relates to methods and apparatus for diagnosing components in a vehicle and transmitting data relating to the diagnosis of the components in the vehicle and other information relating to the operating conditions of the vehicle.
BACKGROUND OF THE INVENTION
It is now generally recognized that it is important to monitor the occupancy of a passenger compartment of a vehicle. For example, U.S. Pat. No. 5,829,782 (Breed et al.) describes a vehicle interior monitoring system that utilizes pattern recognition techniques and wave-receiving sensors to obtain information about the occupancy of the passenger compartment and uses this information to affect the operation of one or more systems in the vehicle, including an occupant restraint device, an entertainment system, a heating and air-conditioning system, a vehicle communication system, a distress notification system, a light filtering system and a security system.
Of particular interest, Breed et al. mentions that the presence of a child in a rear facing child seat placed on the right front passenger seat may be detected as this has become an industry-wide concern to prevent deployment of an occupant restraint device in these situations. The U.S. automobile industry is continually searching for an easy, economical solution, which will prevent the deployment of the passenger side airbag if a rear facing child seat is present.
Another important aspect disclosed in Breed et al. relates to the operation of the cellular communications system in conjunction with the vehicle interior monitoring system. Vehicles can be provided with a standard cellular phone as well as the Global Positioning System (GPS), an automobile navigation or location system with an optional connection to a manned assistance facility. In the event of an accident, the phone may automatically call 911 for emergency assistance and report the exact position of the vehicle. If the vehicle also has a system as described below for monitoring each seat location, the number and perhaps the condition of the occupants could also be reported. In that way, the emergency service (EMS) would know what equipment and how many ambulances to send to the accident site. Moreover, a communication channel can be opened between the vehicle and a monitoring facility/emergency response facility or personnel to determine how badly people are injured, the number of occupants in the vehicle, and to enable directions to be provided to the occupant(s) of the vehicle to assist in any necessary first aid prior to arrival of the emergency assistance personnel.
Communications between a vehicle and a remote assistance facility are also important for the purpose of diagnosing problems with the vehicle and forecasting problems with the vehicle, called prognostics. Motor vehicles contain complex mechanical systems that are monitored and regulated by computer systems such as electronic control units (ECUs) and the like. Such ECUs monitor various components of the vehicle including engine performance, carburation, speed/acceleration control, transmission, exhaust gas recirculation (EGR), braking systems, etc. However, vehicles perform such monitoring typically only for the vehicle driver and without communication of any impending results, problems and/or vehicle malfunction to a remote site for trouble-shooting, diagnosis or tracking for data mining.
In the past, systems that provide for remote monitoring did not provide for automated analysis and communication of problems or potential problems and recommendations to the driver. As a result, the vehicle driver or user is often left stranded, or irreparable damage occurs to the vehicle as a result of neglect or driving the vehicle without the user knowing the vehicle is malfunctioning until it is too late, such as low oil level and a malfunctioning warning light, fan belt about to fail, failing radiator hose etc.
In this regard, U.S. Pat. No. 5,400,018 (Scholl et al.) describes a system for relaying information from an off road work site relating to the status of a vehicle to a remote location over a communications data link. The information consists of fault codes generated by sensors and electronic control modules indicating that a failure has occurred rather than forecasting a failure. Bi-directional communications are described in that a request for additional information can be sent to the vehicle from the remote location with the vehicle responding and providing the requested information but no such communication takes place with the vehicle operator and not of an operator of a vehicle traveling on a road.
U.S. Pat. No. 5,754,965 (Hagenbuch) describes an apparatus for diagnosing the state of health of a vehicle and providing the operator of the vehicle with a substantially real-time indication of the efficiency of the vehicle in performing as assigned task with respect to a predetermined goal. A processor in the vehicle monitors sensors that provide information regarding the state of health of the vehicle and the amount of work the vehicle has done. The processor records information that describes events leading up to the occurrence of an anomaly for later analysis. The sensors are also used to prompt the operator to operate the vehicle at optimum efficiency.
U.S. Pat. No. 5,955,942 (Slifkin et al.) describes a method for monitoring events in vehicles in which electrical outputs representative of events in the vehicle are produced, the characteristics of one event are compared with the characteristics of other events accumulated over a given period of time and departures or variations of a given extent from the other characteristics are determined as an indication of a significant event. A warning is sent in response to the indication, including the position of the vehicle as determined by a global positioning system on the vehicle. For example, for use with a railroad car, a microprocessor responds to outputs of an accelerometer by comparing acceleration characteristics of one impact with accumulated acceleration characteristics of other impacts and determines departures of a given magnitude from the other characteristics as a failure indication which gives rise of a warning.
Preferred embodiments of the invention are described below and unless specifically noted, it is the applicants' intention that the words and phrases in the specification and claims be given the ordinary and accustomed meaning to those of ordinary skill in the applicable art(s). If the applicant intends any other meaning, he will specifically state he is applying a special meaning to a word or phrase.
Likewise, applicants' use of the word “function” here is not intended to indicate that the applicants seek to invoke the special provisions of 35 U.S.C. §112, sixth paragraph, to define their invention. To the contrary, if applicants wish to invoke the provisions of 35 U.S.C. §112, sixth paragraph, to define their invention, they will specifically set forth in the claims the phrases “means for” or “step for” and a function, without also reciting in that phrase any structure, material or act in support of the function. Moreover, even if applicants invoke the provisions of 35 U.S.C. §112, sixth paragraph, to define their invention; it is the applicants' intention that their inventions not be limited to the specific structure, material or acts that are described in the preferred embodiments herein. Rather, if applicants claim their inventions by specifically invoking the provisions of 35 U.S.C. §112, sixth paragraph, it is nonetheless their intention to cover and include any and all structure, materials or acts that perform the claimed function, along with any and all known or later developed equivalent structures, materials or
Breed David S.
DuVall Wilbur E.
Johnson Wendell C.
Automotive Technologies International Inc.
Beaulieu Yonel
Roffe Brian
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