System And Method For Determining A Time When The Blood Alcohol Concentration Has Passed A Threshold Level

Abstract

A system operable to determine a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value. The system includes an alcohol sensor operable to detect a current alcohol concentration in blood of the user, and a portable apparatus. The alcohol sensor and the portable apparatus each comprise a wireless communication apparatus. The wireless communication apparatus in the alcohol sensor is operable to wirelessly transmit the current alcohol concentration to the wireless communication apparatus in the portable apparatus.

1 - 13 . (canceled) 
     
     
         14 . A system operable to determine a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value, the system comprises an alcohol sensor operable to detect a current alcohol concentration in blood of the user, and a portable apparatus,
 wherein the alcohol sensor, and the portable apparatus each independently comprise a wireless communication device, wherein a first wireless communication device in the alcohol sensor is operable to wirelessly transmit the current alcohol concentration to a second wireless communication device in the portable apparatus, wherein the portable apparatus further comprises a controller, a clock, and a memory, wherein the controller is connected to the second wireless communication device, the clock, and the memory, and the controller is operable to store the current alcohol concentration and a time stamp from the clock in the memory,   wherein the controller is connected to a calculation device operable to calculate the future point of time in dependence of the current alcohol concentration detected by the alcohol sensor and of a known alcohol burn rate of the user stored in the memory means, and   wherein the calculation device is operable to be self-calibrated during use through software comprising formulas that are parameterized to the user.   
     
     
         15 . A system operable to determine a future point of time, at which the alcohol concentration in blood of the user is less than a threshold value according to  claim 14 , wherein:
 (i) the controller is connected to a calculation device operable to calculate the future point of time in dependence of the current alcohol concentration detected by the alcohol sensor and of a known alcohol burn rate of the user stored in the memory means, or   (ii) the controller is connected to a calculation device operable to calculate the future point of time in dependence of the current alcohol concentration detected by the alcohol sensor and of a an alcohol burn rate calculated by the calculation means in dependence of characteristics of the user which have an influence on the alcohol burn rate.   
     
     
         16 . A system operable to determine a future point of time, at which the alcohol concentration in blood of the user is less than a threshold value according to  claim 15 , wherein said characteristics of the user are selected from the group consisting of sex and weight and combinations thereof. 
     
     
         17 . A system operable to determine a future point of time, at which the alcohol concentration in blood of the user is less than a threshold value according to  claim 14 , wherein the alcohol sensor further comprises a device configured to receive exhalation air from the user. 
     
     
         18 . A system operable to determine a future point of time, at which the alcohol concentration in blood of the user is less than a threshold value according to  claim 14 , wherein the alcohol sensor also comprises a fuel-cell. 
     
     
         19 . A system operable to determine a future point of time, at which the alcohol concentration in blood of the user is less than a threshold value according to  claim 14 , wherein the wireless communication devices are radio transmitting and receiving devices. 
     
     
         20 . A system operable to determine a future point of time, at which the alcohol concentration in blood of the user is less than a threshold value according to  claim 14 , wherein portable apparatus is a mobile telephone, a mobile computer, a personal digital assistant, a handheld computer, a navigation equipment, or a portable computer. 
     
     
         21 . A system operable to determine a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value according to  claim 14 , wherein that portable apparatus can be connected to an ignition unit of a motor vehicle, whereby the vehicle is prevented from getting started if the current alcohol concentration is higher than a predetermined threshold value. 
     
     
         22 . A system operable to determine a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value according to  claim 14 , wherein the alcohol sensor is configured to communicate with the portable apparatus to cause the portable apparatus to automatically re-transmit the blood alcohol concentration to interested parties or external devices with no interference by the user. 
     
     
         23 . A system operable to determine a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value according to  claim 14 , wherein the formulas are parameterized to allow for individual forecasting of when the user can start driving cars, start to breast feed, start using a boat, or use other vehicles. 
     
     
         24 . A system operable to determine a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value according to  claim 14 , wherein the formulas are parameterized to allow for individual forecasting of when an employee can be entitled to proceed with his duties. 
     
     
         25 . A method for determining a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value, the method comprising the steps of:
 (a) having a user exhale exhalation air into an alcohol sensor;   (b) detecting a current alcohol concentration in blood of the user with the alcohol sensor;   (c) wirelessly transmitting the current alcohol concentration to a portable apparatus comprising a calculation device;   (d) inputting characteristics of the user, which have an influence on the alcohol burn rate selected from the group consisting of sex and weight and combinations thereof, using the portable apparatus; and   (e) using:
 (1) the wirelessly-transmitted current alcohol concentration, and 
 (2) a software that makes use of either:
 (i) a known alcohol burn rate of the user, or 
 (ii) an alcohol burn rate calculated through use of said software Based on characteristics of the user from step (d), which have an influence on the alcohol burn rate, to calculate the future point of time; 
 
   
       said method further comprising self-calibrating the calculation device during the method through use of said software; wherein said software comprises formulas that are parameterized to the user. 
     
     
         26 . A method for determining a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value according to  claim 25 , wherein the alcohol sensor also comprises a fuel-cell. 
     
     
         27 . A method for determining a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value according to  claim 25 , wherein the wireless transmission step is performed with a radio transmitting and receiving step. 
     
     
         28 . A method for determining a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value according to  claim 25 , wherein the portable apparatus is in the form of a mobile telephone, a mobile communicator, a personal digital assistant, a handheld computer, a navigation equipment, or a portable computer. 
     
     
         29 . A method for determining a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value according to  claim 25 , wherein at least one computer program product directly loadable into the internal memory of at least one digital computer, comprising software code portions for performing the steps of  claim 25  when at least one product is run on at least one computer.