1. A system for monitoring the behaviour of a person and comparing it with certain desirable or safe conditions and with certain undesirable or unsafe conditions, wherein if the actual behaviour reaches a level close to or exceeds the undesirable conditions, then the system would provide indications, signals and possibly suggestions, for the person, to alter hisher behaviour so as to reduceminimize the potential detrimental effects, which could result if the originalactual behaviour would continue unchanged or unchecked.
2. A system as in claim 1, wherein
said system comprises
a) a sensing means capable of
b) sensing the behaviour or activities of the person andor the elements of said behaviour, and the physical conditions of the person, during hisher active period of time, which will be referred to as the \u201cwork period\u201d, and
c) collecting and translating these sensed elements into data that can be used by a comparison device, such as a computing device or computing chip;
d) means of sending the sensed data from the sensing means to the comparison device,
e) a comparison device, capable of receiving the sensed and collected data,
f) an algorithm or a software program capable of controlling the comparison device so that it would manipulate the sensed data and compare them against a set of preset predetermined levels and limits of said behaviour, and to determine and to make proper conclusions and decisions as to whether the sensed behaviour is reaching, or has already reached, those undesirable or unsafe levels and limits, and
wherein
g) when the system detects that the person’s behaviour has reached the undesirable or unsafe preset levels or limits, then the system would issue signals, so that the person would become aware and would have the option of changing hisher behaviour, e.g. by taking a \u201crest period\u201d to prevent the person from hurting himself or herself, and wherein
h) the system could also suggest certain new activities, during the rest periods or otherwise, to counteract the ill effects of the original activities.
3. A system as in claim 2, wherein
the monitored or sensed behaviour or activities of the person is any one or a combination of one or more items or \u201cacts\u201d from the following group:
a) operating a computer or just sitting in front of a computer,
b) sitting in front of a television set,
c) sitting on a chair or sofa,
d) lying down on a bed or sofa,
e) driving a car,
f) riding a bicycle,
g) operating a motorized jack hammer,
h) doing various physical exercises, such as swimming, walking, lifting weights and the like.
4. A system as in claim 2, wherein
the sensed behaviour elements or the physical conditions of the person is any one or a combination of one or more items or \u201cactivity elements or characteristics\u201d from the following group:
a) the duration or length of time that the person is doing any one of the monitored activities;
b) the intensity and level of energy exerted during these activities;
c) the physical conditions of the person, such as body temperature, the heart pulse rate, the eye blinking rate, the size of the eye pupils, the blood pressure, blood sugar level, blood alcohol level, etc. of the person, or even
d) the emotional status of the person.
5. A system as in claim 2, wherein
the sensing means can be any one or a combination of one or more of the items from the following group:
a) a sensor or an embedded algorithm built into the keyboard or the mouse of a computer or programmed into the electronic components of the computer to monitor and count the number of mouse clicks or keyboard strokes and their speed and intensity;
b) a \u201cpresence\u201d sensor and \u201ccondition\u201d sensor such as a pressure sensor built into the chair or seat or sofa or bed carrying the person, or built into an office chair, a car seat or a bicycle or motorcycle seat, to determine the presence and seating position of the person;
c) incorporated into a glove that the person would wear on his hand, or in the handle of a golf club, or in the steering wheel of a car, for detecting the articulation of the fingers and of the wrist etc, andor the intensity of his grip andor the intensity and number of stroke or hits exerted say from a golf club or a mechanical jack hammer or from the vibration of the steering wheel, and their effects on his hand and wrist;
d) a thermal probe attached to the body of the person to determine say whether he will contract hypothermia or will get a heat stroke;
e) a photo cell to detect the size of the eye pupil or the rate of eye blinking to detect whether he is falling asleep at the wheel;
f) a simple counter like a pedometer, which would count the number of walking steps or the number of repetitions of a certain activity; and the like; in other words, an appropriate sensing device for each of the various activities and physical conditions listed above, which the system is designed to monitor and control.
6. A system as in claim 2, wherein
the comparison device can be any one or a combination of one or more of the items from the following group:
a) a sensor or an algorithm built inembedded into the keyboard or the mouse of a computer;
b) built in or programmed into the electronic components of the computer itself, to watch for potential causes of carpal tunnel syndrome and the like;
c) a simple temperature measuring and differentiating device, similar to a thermostat;
d) a counter or a timer to compare the actual number of repetitions that have already taken place;
or
e) the elapsed time duration of a certain activity; against the preset predetermined count or time, preset in advance;
7. A system as in claim 2, wherein
the collecting and translating the sensed elements into data can be accomplished by any one or a combination of one or more of the items andor methods from the following group:
a) a simple mechanical or electrical or electronic counter can collect say the number of clicks on the computer keyboard or mouse;
b) a mechanical or electrical pedometer can count and collect the number of steps that the person has taken during a certain hike up a mountain trail or during hisher work in the office or at home;
c) these counters could show the \u201ctotal counts\u201d in a simple window like the inexpensive mechanical pedometers, or
d) translate the total counts to an electrical or electronic signal that the computing device can utilize; in order to accomplish the rest of the process;
8. A system as in claim 2, wherein
the means and acts of sending the sensed data from the sensing means to the comparison device can encompass any one or a combination of one or more of the devices in the following group, and the act of sending the data can be accomplished by any one or a combination of one or more of the methods from the following group:
a) in a simple mechanical pedometer the data is sent by the mechanical components, e.g. gears, levers, etc. inside the pedometer mechanism from the mechanism directly to the \u201creadout window\u201d which shows the number of steps taken;
b) in a more complex monitoring system, the system elements could be \u201chard wired\u201d together, so that the data would be sent directly from the \u201csensors\u201d to the comparison device; or
c) the data could be sent by \u201cwireless\u201d, using say short distance wireless communications means, such as \u201cBluetooth\u201d technology\u201d, say between a sensor glove and the computer chip that will process the data further.
9. A system as in claim 2, wherein
the comparison device can encompass any one or a combination of one or more of the devices in the following group:
a) a computer or a computer chip, say for the number of clicks on the keyboard or the mouse;
b) a tripping mechanism for the pedometer, similar to the electro-mechanical timers used to turn on and off Christmas tree lights;
c) a bimetal strip with corresponding contact points, like the conventional home thermostat to compare the temp of the person’s body against the preset temp limit;
10. A system as in claim 2, wherein
the algorithm or software program can encompass any one or a combination of one or more of the items in the following group:
a) a mathematical algorithm or software prepared for the specific computer or the computer chip, and which could be \u201cinstalled\u201d in the individual stand-alone computer, or embedded in the computer chip or in the glove say; or
b) if the computer is a part of a network, then the software could be installed in the central server of the network and then the individual \u201csatellite\u201d computers would be utilizing this central software to accomplish their intended operations, i.e. to manipulate the data and to control their process; or
c) the software could be pre-packaged and stored on a memory device, like a CD disk and sold to the individual users, to be installed on their individual computers;
11. A system as in claim 2, wherein
the preset predetermined levels and limits of said behaviour and behaviour elements can encompass any one or a combination of one or more of the items in the following group:
a) a simple preset predetermined time duration for a specific activity, say 55 minutes of working on a keyboard, regardless of the number of clicks, or say if the patient has been lying in bed in one position for three or four hours without changing that position; or
b) the total number of events, without regard to the time it takes to reach that number, such as the number of clicks on the keyboard, say 3,000 clicks; or to include the clicks on the mouse in addition to the clicks on the keyboard; or say 1,000 steps on the pedometer; or
c) a combination of number of events together with the time duration, such as number of clicks accomplished in a certain length of time, so that if the speed is high then the total length of time allowed would be shorter, andor to include into consideration the \u201cintensity\u201d of the specific activity andor the magnitude of the effort exerted by the person;
12. A system as in claim 2, wherein
the combination of the algorithm or software program and the comparison device will give the system the capability of manipulating the collected data and of comparing them against the preset predetermined levels and limits,
13. A system as in claim 2, wherein
the signals issued by the system can encompass any one or a combination of one or more of the items in the following group: I) Warning Signals, such as
a) an audible sound, which can be continuous or intermittent andor could have different sound (decibel) levels or tones;
b) a visible light indication, which can be continuous or blinking or can have different colours or change in intensity according to the severity of the situation, i.e. the magnitude of the difference between the actual conditions and the preset limits;
c) a vibration signal, like on some cell phones; or the like; or II) Action Signals, such as
d) Raise a flag,
e) inform the user that the system will shut down the computer; or
f) physically shut down the systemcomputer, either for a certain length of time, or totally shut down the whole computer, maybe after saving any open files and the like.
14. A system as in claim 2, wherein
the suggested new activities can encompass any one or a combination of one or more of the items in the following group:
a) simply rest and do nothing for a certain preset predetermined length of time;
b) suggest to the operator to do certain exercises, which are intended to counter-act the ill effects of the previous activity, for example, to flex the hand, wrist, fingers, knuckles, elbows, shoulders, i.e. the upper extremities, in any way just to limber and reduce the stiffness, or to do a certain \u201croutine\u201d to accomplish a similar end result;
c) suggest similar exercises, but for the back or for the lower extremities or for the whole body;
d) change the suggested set of exercises every \u201cperiod\u201d, i.e. at the end of the first work period, flex and exercise the upper extremities, then at the end of the second work period, flex and exercise the lower extremities, and then at the end of the third work period, go back to the same exercises of the first work period, i.e. flexing the upper extremities, and so on;
e) change the suggested exercises at the end of every work period;
f) keep certain suggestions all the time, i.e. at the end of every work period, as \u201cbase\u201d exercises and then attach to those base exercises a variety of other exercises that would vary with each work period.
15. A system as in claim 2, wherein
the duration of the \u201cwork periods\u201d and the duration of the \u201crest\u201d periods could vary based on a preset predetermined plan, which could be modulated based on the type and nature of the original activities of the person, for example, the work period can be 55 minutes and the rest period can be 5 minutes, or they can be 45 and 15 minutes respectively or they can be 95 and 2 minutes respectively or any other combination that would be deemed desirable or effective for the intended purposes and wherein the individual durations do not have to be repeated exactly the same way all the time every cycle.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for generating respective stereo signals for at least two separate sound sources, comprising the steps of:
conducting a blind source separation of at least two microphone signals to acquire transfer functions of filters of a first filter device;
determining transfer functions of filters of a second filter device using the transfer functions of the filters of the first filter device, the transfer functions of the filters of the second filter device respectively corresponding to quotients of a power density spectral portion of the respective sound sources and the overall power density spectrum of the respective microphone signals, and
filtering the at least two microphone signals, respectively with at least two filters of the second filter device, to obtain two stereo signals for each microphone signal.
2. A method as claimed in claim 1 comprising employing Wiener filters as at least one of said filters of said first filter device and said filters of said second filter device.
3. A method for generating respective stereo signals for at least two separate sound sources, comprising the steps of:
conducting a blind source separation of at least two microphone signals with a first filter device to acquire two mono output signals; and
respectively filtering of the mono output signals with at least two second filters of a second filter device; and
calculating transfer functions for the filters of the second filter device from the transfer functions of the filters of the first filter device to obtain two stereo signals for each mono output signal.
4. A method as claimed in claim 3 comprising employing Wiener filters as at least one of said filters of said first filter device and said filters of said second filter device.
5. An acoustic system for generating respective stereo signals for at least two separate sound sources, comprising:
a microphone device that provides at least two microphone signals;
a first filter device for blind source separation of the at least two microphone signals based on the transfer functions of filters of the first filter device;
a second filter device for filtering of each of the microphone signals to obtain two stereo signals for each microphone signal; and
a calculation device that determines the transfer functions of filters of the second filter device from the transfer functions of the filters of the first filter device, the transfer functions of the filters of the second filter device respectively corresponding to quotients of a power density spectral portion of the respective sound sources and the overall power density spectrum of the respective microphone signals.
6. An acoustic system as claimed in claim 5 wherein at least one of said filters of said first filter device or said filters of said second filter device are Wiener filters.
7. An acoustic system as claimed in claim 5 wherein said sound sources are hearing devices.
8. An acoustic system for generating respective stereo signals for at least two separate sound sources, comprising:
a microphone device that provides at least two microphone signals;
a first filter device for blind source separation of the at least two microphone signals based on transfer functions of filters of the first filter device to obtain second mono output signals;
a second filter device for filtering of each of the microphone signals to obtain two stereo signals for each mono output signal; and
a calculation device that determines the transfer functions of filters of the second filter device from the transfer functions of the filters of the first filter device.
9. An acoustic system as claimed in claim 8 wherein at least one of said filters of said first filter device or said filters of said second filter device are Wiener filters.
10. An acoustic system as claimed in claim 8 wherein said sound sources are hearing devices.