Patent Publication Number: US-2022230515-A1

Title: Bioresistive-fingerprint based sobriety monitoring system

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     The present application is a continuation of U.S. patent application Ser. No. 17/178,240, filed Feb. 17, 2021, which is a continuation of U.S. patent application Ser. No. 16/880,976, filed May 21, 2020, now abandoned, which is a continuation of U.S. patent application Ser. No. 16/521,484, filed Jul. 24, 2019, now abandoned, which is a continuation of U.S. patent application Ser. No. 15/894,781, filed Feb. 12, 2018, now abandoned, which is a continuation of U.S. patent application Ser. No. 15/289,881, filed Oct. 10, 2016, now issued as U.S. Pat. No. 9,922,508, which claims priority pursuant to U.S.C § 119(e) to U.S. Provisional Application No. 62/239,648, filed Oct. 9, 2015, the disclosures of all of which are hereby incorporated by reference in their entireties. 
    
    
     TECHNICAL FIELD 
     Embodiments of the present invention generally relate to remote sobriety monitoring, and more particularly to a method and system utilizing a breath testing and biometric identification device for periodically analyzing the alcohol content or other substance content of the breath of a user. 
     BACKGROUND OF THE INVENTION 
     One of the challenges in remotely monitoring someone&#39;s sobriety with a mobile breathalyzer is being able to say with certainty that the person being monitored was the same person taking a given breath test. Some current state of the art devices use a digital imager to take a photograph of the user as they blow into the device, and also rely on breath temperature and pressure sensors to determine if an air source other than the user&#39;s breath is being used. These devices were described in U.S. application Ser. No. 13/357,494 (which is now U.S. Pat. No. 8,707,758, to Keays), U.S. application Ser. Nos. 13/274,553, and U.S. application Ser. No. 12/882,323 (which is now U.S. Pat. No. 8,381,573, to Keays), the entire contents and disclosures of which are herein incorporated by reference. This works well, however, the use of a digital imager presents several issues that are less than desirable. First, because the imager is typically close to the user&#39;s face when they blow into the device, a wide-angle lens is used to capture an image of the whole face. This results in an image with a “fish eye” effect, making user hard to recognize. Second, the digital image is sent with the test report. The smallest image that is practical to use is a 320×240 jpeg image. The maximum size of these images is roughly 20 Kbytes and is by far the largest piece of data contained in the breath test. The method outlined herein provides a means by which a user can be positively identified without the need for a digital image. 
     It would therefore be desirable to provide a method and system of providing supervisory monitoring of sobriety that is discrete, portable, tamper-proof, effective, and including bioresistive-fingerprint identification, and that can automatically alert a monitoring station of the need for attention and possible corrective or medical action by such a supervisory sober buddy or sober companion on an on-call basis. The present invention meets these and other needs. 
     SUMMARY OF THE INVENTION 
     Provided herein are embodiments of a handheld device for monitoring the sobriety of a user. The handheld device includes a mouth piece for receiving a user&#39;s mouth, a conductive area positioned on the mouthpiece, a user identification device positioned on a case of the handheld device, and a conductive area positioned on said user identification device. 
     In some embodiments, a handheld device is provided for monitoring the sobriety of a user. The handheld device includes a mouth piece for receiving a user&#39;s mouth and the user&#39;s breath, a conductive area positioned on said mouthpiece for receiving a first resistance measurement, a user identification device positioned on a case of the handheld device for receiving the user&#39;s fingerprint, a conductive area positioned on said user identification device for receiving a second resistance measurement, and a wireless transceiver. 
     These and other aspects and advantages of the invention will be apparent from the following detailed description and the accompanying drawing, which illustrates by way of example the features of the invention. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       Illustrated in the accompanying drawings is at least one of the best mode embodiments of the present invention In such drawings: 
         FIG. 1  is a perspective view illustrating a breath testing and identification device for monitoring sobriety, according to an embodiment of the invention; 
         FIG. 2  is a perspective view illustrating an exemplary operation of a breath testing and identification device for monitoring sobriety, according to an embodiment of the invention; 
         FIG. 3  is a schematic diagram illustrating the method and system for monitoring sobriety, according an embodiment of the invention; and 
         FIG. 4  is a schematic diagram illustrating another the method and system for monitoring sobriety, according to an embodiment of the invention. 
     
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
     The above described drawing figures illustrate the described apparatus and its method of use in at least one of its preferred, best mode embodiment, which is further defined in detail in the following description. Those having ordinary skill in the art may be able to make alterations and modifications to what is described herein without departing from its spirit and scope. Therefore, it should be understood that what is illustrated is set forth only for the purposes of example and should not be taken as a limitation on the scope of the present apparatus and its method of use. 
     In the following description and in the figures, like elements are identified with like reference numerals. The use of “e.g.,” “etc.,” and “or” indicates non-exclusive alternatives without limitation, unless otherwise noted. The use of “including” or “includes” means “including, but not limited to,” or “includes, but not limited to,” unless otherwise noted. 
     As used herein, the term “and/or” placed between a first entity and a second entity means one of (1) the first entity, (2) the second entity, and (3) the first entity and the second entity. Multiple entities listed with “and/or” should be construed in the same manner, i.e., “one or more” of the entities so conjoined. Other entities may optionally be present other than the entities specifically identified by the “and/or” clause, whether related or unrelated to those entities specifically identified. Thus, as a non-limiting example, a reference to “A and/or B”, when used in conjunction with open-ended language such as “comprising” can refer, in one embodiment, to A only (optionally including entities other than B); in another embodiment, to B only (optionally including entities other than A); in yet another embodiment, to both A and B (optionally including other entities). These entities may refer to elements, actions, structures, steps, operations, values, and the like. 
     Referring now to the drawings, wherein like reference numerals designate identical or corresponding parts throughout the several views and embodiments,  FIGS. 1 to 4  illustrate embodiments of a system and method for sobriety monitoring, utilizing a breath testing and biometric identification device for analyzing the alcohol content or other substance content of the breath of a user in combination with a wireless or cellular transmitter or transceiver device to transmit an alcohol content or other substance content signal to a wireless or cellular signal receiver and/or monitoring station. 
     Briefly, and in general terms, the present invention provides for a method and system for monitoring sobriety of a user on an automated basis, utilizing a hand-held breath testing device, a wireless or cellular transmitter or transceiver device for wirelessly transmitting results of the breath testing to a wireless or cellular receiver monitoring station. The monitoring station receives the breath testing results (and optionally identification such as a fingerprint) from the wireless or cellular transmitter or transceiver device, and indicates an alarm or otherwise alerts an on-call monitor when the wireless or cellular transmitter or transceiver is indicated to be off, or when the breath testing results indicate a breath test content greater than a predetermined threshold, or when the received breath is not the breath of the user (which can be determined from the fingerprint and a resistance measurement as described herein in more detail). The method and system can be used in connection with a traditional sober buddy, chaperone service on an on-call basis only, to limit the expense and labor intensiveness of the supervisory care. Such a systems may also be used to monitor abstinence from other drugs which can be taken orally and tested by breath analyzer or the like without the use of a chaperone on a continuing basis. 
     A cellular module can alternatively be provided inside the breath testing and identification device that can send a breath test report directly through WiFi, cell towers, or through other mobile wireless networks such as those that do not rely on fixed infrastructure, for example. 
     Described now in detail is a method and system for monitoring sobriety of a user, for example, a recovering alcoholic, as an intermediate, automated way of engaging the services of a sober buddy, sober companion, sober coach, or other supervisory care for the user to help, for example, ensure against relapse of the user, and to help the user maintain sufficient abstinence from alcohol or another substance to reside and function outside of a treatment facility. 
     Fingerprint identification modules allow fingerprints to be used in lieu of a password in mobile devices such as phones, personal digital assistants (PDAs) and tablets. In order to use fingerprint identification, these devices train the module on what the users&#39; fingerprints look like by having them place their finger on the module in several different orientations. Once trained, the module compares future fingerprints against these reference prints to determine if a known user is trying to access the device. However, using a fingerprint reader module alone in a breathalyzer is often not enough, for example, the user could simply use his own fingerprints but has someone else blow into the breathalyzer device. There needs to be a way to confirm that the person blowing into the device is the one whose fingerprints were used to initiate the test. 
     To solve this problem, generally, the system of the invention uses a “smart” mouthpiece for the user to blow into the device when taking a test. In some embodiments, the end of the device, where the user places his or her mouth during the blow, is conductive. A conductive element may also be placed at the fingerprint reader on the breathalyzer, so that when the user&#39;s finger is on the reader it comes in contact with the conductive element. After one or more fingerprints of the user have been used to positively identify the user, the device will take a resistance measurement between the fingerprint reader and the mouthpiece. If the resistance falls within a specified range, the device will determine that the finger currently on the fingerprint reader is “connected” to the mouth currently on the mouthpiece, and the fingerprint can be positively connected to the breath used for the test. 
     Referring now to  FIG. 1 , an exemplary embodiment of a substance testing device  10  is shown. In this embodiment, the substance testing device  10  is a breath testing device. The substance testing device  10  may include a mouthpiece  22  and a user identification device (UID)  24 . The UID  24  is located on a wall of the case of the substance testing device  10 . The UID  24  may be operable to generate a user identification data. In this example, the UID  24  is a fingerprint reader. In  FIG. 1 , area A is the conductive portion of the mouthpiece  22 , area B is the conductive element of the UID  24 . Area A is sized to ensure that the user&#39;s mouth will be in contact therewith while the user&#39;s mouth is placed on the mouthpiece  22 . The UID  24  and area B will be in contact with, for example, a user&#39;s thumb (though any finger or multiple fingers may be used), while the user is operating (e.g., holding) the substance testing device  10 . Although shown as a horizontally elongated tube, the mouthpiece  22  may be in other shape suitable for the user to place his or her mouth over and to breath into. 
     Referring to  FIG. 2 , an exemplary operation of the substance testing device  10  is shown. The substance testing device  10  may be a hand held substance testing device operable to test for the presence of alcohol or other substance in the breath of the user. The testing device  10  may also operate to test the quantity of alcohol or other substance in the breath of the user. One or more components of the substance testing device  10  can be found in the embodiments described in the incorporated references mentioned herein. For example, the substance testing device  10  may include a breath testing sensor, a printed circuit board (PCB) assembly, a transceiver unit, a GPS module, a camera, and so on. 
     A shown, when the user operates the substance testing device  10 , the user places his or her mouth over the mouthpiece  22  and area A, so that area A is in contact with the user&#39;s mouth. The user holds the substance testing device  10  so that his or her fingerprint (e.g., thumb&#39;s fingerprint as shown) will be on the UID  24  and in contact with area B. The user blows into the substance testing device  10  while holding the substance testing device  10 . 
     Referring to  FIG. 3 , in an exemplary embodiment, a substance testing device  10 , a transceiver unit  12 , a receiving station  14 , and a supervisory monitor  16  may be provided for testing and positively identifying a user. The transceiver unit  12  may be configured to transmit a content signal  11  to the receiving station  14 . The content signal  11  is generated by the substance testing device  10  and includes at least substance content data. For example, the testing device  10  may be a breathalyzer type testing device operable to analyze the alcohol content of the breath of a user and generate an alcohol content signal indicative of the alcohol content of the user&#39;s breath. 
     The substance content signal  11  may also include a user identification data, for example, fingerprint data. Alternatively, the user identification data may be transmitted to the receiving station  14  separately from the content signal  11 . 
     In some embodiments, the content signal  11  is generated by the substance testing device  10  only if the substance testing device  10  determines that the finger currently on the fingerprint reader is “connected” to the mouth currently on the mouthpiece, and the fingerprint can be positively connected to the breath used for the test as described herein. 
     In at least one embodiment, the content signal  11  includes a digitized report which may be accessible by a supervisory monitor  16 . All transmission described herein may occur over a wireless, wired, cellular, or any other type of network now known or hereafter developed. In at least one embodiment, the transceiver unit  12  is internal to the substance testing device  10  and is a hardware component thereof. 
     The receiving station  14  may be configured to receive the content signal  11 . The receiving station  14  may be configured to inform the supervisory monitor  16  if the content signal  11  is not received from the transceiver at a predetermined time, or if the content signal  11  indicates that the substance content levels exceed a predetermined threshold. For example, the typical legal limit of blood alcohol content (BAC) is 0.08%. Thus, receiving station may inform the supervisory monitor  16  if the content signal indicates the user&#39;s BAC is greater than 0.08%. Importantly, the predetermined threshold may be set at a higher or lower level as may be desired. Additionally, the receiving station  14  may be configured to convey the content signal  11 , or a report based thereon, directly to the supervisory monitor  16  so that the supervisory monitor  16  is made aware of the substance content data. Thus, for example, the receiving station may inform the supervisory monitor  16  (who may be, for example, a parent or guardian) that the user (who may be, for example, a teenage child of the parent or guardian) has a BAC of 0.03%. 
     In some embodiments, the receiving station  14  may include any location, device or system where the content signal  11  is received, including, for example: a monitoring station, a cellular/smart phone, an email account, a website, a network database, and a memory device. Additionally, the supervisory monitor  16  may comprise a parent, guardian, family member, friend, parole officer, court appointed supervisor, sobriety coach, sober buddy, sober companion, police department, or other supervisory care person, group, or authority. 
     Preferably, the entire test and fingerprint reading and user identification process should take less than 60 seconds. The receiving station  14 , for example, a monitoring station, website or server, can automatically evaluate the content signal  11  and maintain a history of the test time, result and the user identification data for each test. The receiving station  14  can also include a database and software for analysis of user identification data to confirm or reject the test results, and to determine whether corrective action is required. As explained herein, identification of the user in association with the content signal  11  may be aided by fingerprint recognition. Other recognition techniques now known or developed hereafter, for example, facial recognition, voice recognition, DNA recognition, and iris recognition may also be considered. Additionally, a supervisor may compare the received user identification data with a stored user identification reference in order to positively identify the user. The monitoring station can also provide a variety of reports of the user&#39;s testing history or individual test results to allow comprehensive and detailed analysis of the user&#39;s testing history, which can be accessed via the Internet as desired. The generated reports may be official Department of Transportation Evidential Breath Testing (EBT) reports, or may be of any other custom or preset format. In some embodiments, still frame photographs or movies used in identification of the user may also be included in the reports. 
     It will be appreciated that user identification may occur independent of the receiving station  14 . For example, a user identification module of the substance testing device  10  may include a memory that may store a reference user identification data for comparison with the generated user identification data. Upon successful comparison, i.e. the actual user is the intended user, the user identification module may communicate a pass signal which may be added to the content signal  11 . 
     As previously described, the substance testing device  10  may include a breathalyzer type device, which includes a mouthpiece  22  configured to be placed at or in a user&#39;s mouth during breath testing, and a fingerprint reader device  24 . The mouthpiece  22  may be mounted to an end of an extension portion which is in turn connected to a breath analysis and processing portion of the breath testing device  10 . The fingerprint reader device  24  may be suitably configured where the user places his thumb during breath testing, and may be configured to read the user&#39;s fingerprint in synchronization with the testing of the user&#39;s breath, to provide identification information for later use in positive identification of the user with the test results. After the fingerprints have been used to positively identified the user, the testing device  10  will take a resistance measurement between the fingerprint reader  24  and the mouthpiece  22 . If the resistance falls within a specified range, the testing device  10  will know that the finger currently on the fingerprint reader  24  is “connected” to the mouth currently on the mouthpiece  22 , and the fingerprint can be positively connected to the breath used for the test. For example, if a test is initiated and the resistance value between the mouthpiece  22  and the fingerprint reader  24  is equal to or greater than 4 mega-Ohms, it can be concluded that the mouth and finger do not belong to the same person. If the resistance value between the mouthpiece and the fingerprint reader is less than 4 mega-Ohms it can be concluded that the mouth and finger belong to the same person. 
     In some embodiments, the mouthpiece  22  may be removable. 
     The substance testing device  10  may include a status LED, for example, for indicating when the device is ready for use and when the device has completed breath testing and identification. 
     In some embodiments, the breath testing sensor (not shown) of the testing device  10  includes a sensor capable of detecting the presence of at least one controlled substance or narcotic. The sensor may utilize, for example, a chromatography sensors, mass spectroscopy sensors, fiber optic fluorescent sensors, or surface acoustic wave sensors to detect the presence of controlled substances or narcotics and their derivatives, such as, for example: methamphetamines, amphetamines, barbituates, tetrahydrocannabinol or other cannibanoids, benzoylmethylecgonine, diacetylmorphine or other opiates/opioids, lysergic acid diethylamide, psilocin, phencyclidine and the like, in a user&#39;s breath. 
     The PCB assembly is configured to receive the substance content data and generate a breath test signal  11  therefrom. The PCB assembly is also configured to receive user identification data generated by the fingerprint reader  24  and to generate the breath test signal  11  from the user identification data (which may be compressed) and the substance content data. In some embodiments, the PCB is configured to operate a compression process to compress the user identification data. 
     Additionally, the substance testing device  10  may utilize software algorithms analyzing pressure and temperature sensor data to ensure that the breath being analyzed is that of a person. Accordingly, the substance testing device  10  may comprise one or more pressure gauges (not shown) and/or temperature sensors (not shown) at various points thereon. 
     In some embodiments, the substance testing device  10  may be connected to a mobile wireless or cellular transmitter or transceiver device, which may be connected to the substance testing device  10  either directly, such as by an electrical connection, or wirelessly, to receive the breath test signal  11  including breath test data, fingerprint data, photograph, movie, or other user identification data, as well as any GPS location data. 
     In some embodiments, the substance testing device  10  can also be usable in combination with an iPad™, iPhone™, or other wireless or cellular device, or any other computing device, for example, which can serve as a wireless or cellular transmitter or transceiver device, as discussed herein. 
     In some embodiments, the content signal  11  including at least one of: content data, user identification data, and location data, can be sent directly from one mobile wireless or cellular transmitter or transceiver device to another mobile wireless or cellular transmitter or transceiver device, without storing one or more of the content data, user identification data, or location data. 
     The wireless or cellular receiver monitoring station  16  can be configured to receive the content signal comprising at least one of: content data, user identification data, and location data, and to indicate an alarm condition or alert a supervisory monitor either directly or via a network. 
     In some embodiments, the substance testing device  10  may also be included in or connected to a vehicle ignition interlock signal generating system. The output of the substance testing device  10  may be provided to enable/disable a vehicle ignition lock based on the data received in accordance with the algorithms described above. In addition, an on-call supervisory person may be alerted, and a receiving station  16  may also receive the enable/disable signal as well as the content signal  11  described above. 
     Referring to  FIG. 4 , in an exemplary embodiment, a schematic of a substance testing device  10  is shown. In the example, the substance testing device  10  is a breath testing device. The testing unit  10  may comprise an internal cell module  500 , the testing unit  10  here being a stand-alone unit. 
     The testing unit  10  may include at least: the user identification module  24 , the breath analysis module  340 , the control module (CPU)  360 , the cellular module  500  and a GPS module  310 , and so on. 
     The cellular module  500  may include a transceiver operable to transmit the breath test data to the monitoring station  600 . The GPS module  310  may enable the tracking of the testing unit  10  by the generation of location data. A breath test signal may be generated, at least in part, by the location data. 
     The testing unit  10  may also include a personal area network (PAN) or Bluetooth (or suitable short-range communication) module  380 , enabling the testing unit  10  to be in communication with the monitoring station  600 . The module  380 , for example a vehicle interlock  700 . 
     Communication between the module  380  and the monitoring station may be secured by data encryption techniques now known or hereafter devised. For example, data may be encrypted by means of a random security PIN. Devices that are compromised may be forced from the monitoring station server and may require re-activation and authentication. 
     The testing unit  10  may also include a graphical user interface  330  (GUI). The GUI may permit the user to interactively control the breath testing process, calibrate the breath testing unit, schedule breath test times, retrieve past breath test reports, and/or access other information stored in the testing unit  10 . 
     The GUI  330  may be configured to display a reminder at a predetermined time, the reminder reminding the user that a breath testing session is due. Additionally, the testing unit  10  may cause users to receive electronic reminders via SMS, email, or bi-directional communication between the testing unit  10  and a receiving station. Additionally, the testing unit  10  may enable the user to receive breath test requests from the monitoring station  600 . Such requests may be remotely or directly transmitted to the testing unit  10 . Such requests may also be randomly timed. 
     The testing unit  10  may also include an audio means, such as a speaker, for generating an audio reminder that a breath testing session is due. The tone and/or duration of the audio alert may indicate the urgency of the required breath testing session. For example, three beeps may indicate a session is required immediately, while one beep may indicate a session will be due shortly. The audio means may also be configured to generate a vibration reminder according to methods known in the art. 
     It will be appreciated, that while at least one embodiment is herein described through example as testing for alcohol use, such embodiments may be equally applicable to testing for the use of controlled substances or other narcotics, as described herein. 
     Other exemplary embodiments and processes of the substance testing device are further described in the references mentioned above and are incorporated in entirety by reference herein. 
     The embodiments described in detail above are considered novel over the prior art of record and are considered critical to the operation of at least one aspect of the apparatus and its method of use and to the achievement of the above described objectives. The words used in this specification to describe the instant embodiments are to be understood not only in the sense of their commonly defined meanings, but to include by special definition in this specification: structure, material or acts beyond the scope of the commonly defined meanings. Thus if an element can be understood in the context of this specification as including more than one meaning, then its use must be understood as being generic to all possible meanings supported by the specification and by the word or words describing the element. 
     The definitions of the words or drawing elements described herein are meant to include not only the combination of elements which are literally set forth, but all equivalent structure, material or acts for performing substantially the same function in substantially the same way to obtain substantially the same result. In this sense it is therefore contemplated that an equivalent substitution of two or more elements may be made for any one of the elements described and its various embodiments or that a single element may be substituted for two or more elements. 
     Changes from the claimed subject matter as viewed by a person with ordinary skill in the art, now known or later devised, are expressly contemplated as being equivalents within the scope intended and its various embodiments. Therefore, obvious substitutions now or later known to one with ordinary skill in the art are defined to be within the scope of the defined elements. This disclosure is thus meant to be understood to include what is specifically illustrated and described above, what is conceptually equivalent, what can be obviously substituted, and also what incorporates the essential ideas. 
     The scope of this description is to be interpreted only in conjunction with the appended claims and it is made clear, here, that each named inventor believes that the claimed subject matter is what is intended to be patented.