turning now to fig1 , access control system 10 is illustrated . example applications of the invention include , but are not limited to , movie theaters , concert or other event venues , theme park attractions , airport security screening areas where individuals may benefit from having different access privileges to shorten their time in queues or avoid queues altogether . access control system 10 may manage any number of different levels of access . for example , an airport may have two levels of access , priority and non - priority , with priority access being associated with a greater level of service , and possibly cost , than non - priority access . a traveler with priority access may be entitled to wait in a shorter line or pass through airport security faster than a traveler with non - priority access . example access control system 10 includes registration system 12 . registration system 12 includes a processor , memory , and program and data storage . registration system 12 may execute an operating system such as a microsoft or linux operating system . registration system 12 further includes network circuitry for connecting to network 90 , and may include other circuitry for connecting to peripherals . registration system 12 may include a web server connected to the world wide web ( www or “ web ”) and provide web content , including web pages for facilitating registration . registration system 12 is also capable of sending messages , such short message service ( sms or “ text ”), e - mail , automated voice , and / or other messages . network 90 may include any combination of wireless or wired networks , including local area , wide area , virtual private , and global communication networks , such as the internet . registration system 12 maintains records 20 . records 20 include an individual identifier 22 , a mobile device identifier 24 , and a electronic pass 26 . individual identifier 22 may include an individual &# 39 ; s name , address , and / or other information . mobile device identifier 24 may include an electronic mail ( e - mail ) address and / or phone number . electronic pass 26 provides an individual with access at an authorized level . in an example embodiment , electronic pass 26 includes a barcode for display on an individual &# 39 ; s mobile communication device 70 and for scanning , also known as a “ mobile barcode ”. the mobile barcode is optimized for display based upon the display characteristics / capabilities of mobile communication device 70 . an example method of optimizing a barcode for display on a mobile communication device 70 is disclosed in commonly assigned u . s . pat . no . 7 , 693 , 744 to forbes . this patent is hereby incorporated by reference . other indicia besides barcodes are also envisioned . an individual may register for an access level separately from or in connection with a different transaction , such as the purchase of a movie theater ticket , a concert or other event ticket , a theme park ticket , or an airline ticket . with reference to fig2 , an example registration process is illustrated . in this context , a successful registration process results in registration system 12 granting requested access rights to an individual . the registration process may or may not also involve remittance of payment from the individual . the registration process may or may not also be part of or connected with a different transaction , such as the purchase of a ticket . an individual operates a computer , such as personal computer 60 or mobile communication device 70 to connect to registration system 12 through network 90 . for this purpose , the computer may connect to a registration web site hosted by registration system 12 and download a web page to facilitate registration . the web page may include a registration form . in step 100 , registration system 12 receives a request from an individual for an access level , such as a priority access level , entered by the individual in the registration web page . in step 102 , registration system 12 receives a mobile device identifier 24 , such as a mobile phone number , e - mail , or other address , entered by the individual in the registration web page . the individual may also provide additional information including an individual identifier 22 , such as a name , and / or a user name and password for logging into the web site and for accessing the individual &# 39 ; s record 20 . in step 104 , registration system 12 generates electronic pass 26 , granting the individual access at the access level . registration system 12 may also create record 20 associated with individual identifier 22 , mobile device identifier 24 , and electronic pass 26 . in step 106 , registration system 12 makes electronic pass 26 available to the individual . in one example embodiment , registration system 12 sends a link to electronic pass 26 at reservation system 12 to mobile communication device 70 using mobile device identifier 24 . in another example embodiment , mobile communication device 70 connects to registration system 12 under individual control , logs in with a user name and password established by the individual during registration , and accesses the link . the link includes software which , when executed by mobile communication device 70 as a result of the individual clicking , tapping , or otherwise selecting the link , captures and sends information about the individual &# 39 ; s mobile communication device 70 , including display capabilities and / or characteristics , to registration system 12 . registration system 12 uses the information about the individual &# 39 ; s mobile communication device 70 to optimize electronic pass 26 , including optimizing the barcode , for display and for scanning by barcode readers 44 and 54 . in one example , the software associated with the link may be written in a programming language such as the java programming and be hosted within the browser software . as another example , the software associated with the link may include a script , such as javascript , combined with hypertext markup language ( html ) or other suitable web page language . the script may send a request for the electronic pass and information about display capabilities of mobile communication device 70 and receive an optimized electronic pass from registration system 12 . as an alternative to accessing the link , mobile communication device 70 may execute a software applet written to be executed within the operating system of mobile communication device 70 that connects to registration system 12 and obtains electronic pass 26 . the mobile software applet may send a request for the electronic pass and information about display capabilities of mobile communication device 70 and receive an optimized electronic pass from registration system 12 . returning to fig1 , personal computer 60 includes a processor , memory , and program and data storage . personal computer 60 may execute an operating system such as a microsoft , apple , linux , or other operating system . personal computer 60 may include web browser software for connecting to the web site of registration system 12 . personal computer 60 further include graphics circuitry for connecting to a display , network circuitry for connecting to network 90 , and other circuitry for connecting to other peripherals , such as a printer , a mouse , and a keyboard . mobile communication device 70 may include a smartphone , personal digital assistant , or other portable communication device . mobile communication device 70 includes a processor , memory , and program and data storage . mobile communication device 70 may execute an operating system such as a microsoft , apple , google , or other operating system . mobile communication device 70 may include web browser software for connecting to the web site of registration system 12 . mobile communication device 70 further include graphics circuitry for connecting to a display , network circuitry for connecting to network 90 , and other circuitry for connecting to other peripherals , such as a touchscreen . access control system 10 further includes a scanning station at each access control location , such as at entrance to a queue or at the head of a queue . an example scanning station may include a network barcode reader 30 operated by an attendant . during check - in , an attendant operates network barcode reader 30 to scan a mobile barcode and determine an authorized level of access for the individual from the contents of the mobile barcode . in one example embodiment , network barcode reader 30 may also verify that the mobile barcode is valid by connecting to registration system 12 and comparing the pass information , including the mobile barcode , to information in records 20 . in another example embodiment , network barcode reader 30 may be programmed with business rules that establish permitted time windows , scanning locations , and other context - aware cues that determine valid and invalid mobile barcodes . network barcode reader 30 may store scanned information for later sending to registration system 12 . network barcode reader 30 may include a portable or hand - held or stationary barcode reader or scan terminal with built - in barcode reader with wireless or wired access to network 90 . as another example , the scanning station may include attendant computer 40 and barcode reader 44 , which are operated by an attendant . attendant computer 40 includes a processor , memory , and program and data storage . attendant computer 40 may execute an operating system such as a microsoft , apple , linux , or other operating system . attendant computer 40 includes barcode reader 42 for scanning mobile barcodes . attendant computer 40 further include graphics circuitry for connecting to a display , network circuitry for connecting to network 90 , and other circuitry for connecting to other peripherals , such as a printer , a mouse , and a keyboard . attendant computer 40 executes check - in software 42 . during check - in , an attendant operates check - in software 42 to scan a mobile barcode and determine an authorized level of access for the individual from the contents of the mobile barcode . check - in software 42 may also verify that the mobile barcode is valid by connecting to registration system 12 and comparing the pass information , including the barcode , to information in records 20 . after determining the authorized level of access for the individual , the attendant directs the individual to an appropriate entrance , queue , aisle or other path . as yet another example , the scanning station may include self - service computer 50 and barcode reader 54 , which are operated by an individual . self - service computer 50 includes a processor , memory , and program and data storage . self - service computer 50 may execute an operating system such as a microsoft , apple , linux , or other operating system . self - service computer 50 includes barcode reader 52 for scanning mobile barcodes . self - service computer 50 further include graphics circuitry for connecting to a display , network circuitry for connecting to network 90 , and other circuitry for connecting to other peripherals , such as a printer , a mouse , and an input device . the display and input device may be combined as a touch screen . self - service computer 50 executes check - in software 52 . during check - in , an individual operates check - in software 52 to scan a mobile barcode and determine an authorized level of access from the contents of the mobile barcode . check - in software 52 may also verify that the mobile barcode is valid by connecting to registration system 12 and comparing the pass information , including the mobile barcode , to information in records 20 . after determining the authorized level of access for the individual , check - in software 52 displays a message directing the individual to an appropriate entrance , queue , aisle or other path . to enhance security and reinforce access rights , any of network barcode reader 30 , attendant computer 40 , and self - service computer 50 may operate a gate system 80 to control access based upon the individual &# 39 ; s access level . in some environments , more than one scanning station may be employed . for example , a second scanning station may be situated at a queue end point so as to prevent “ line jumping ” or “ cutting ” into higher access level queues by unauthorized individuals . when two or more scanning stations are used for the same queue , information such as “ total wait time ” may be calculated by the scanning stations by comparing the time signature of the first and second scans ( and so forth for more than two scanning stations .). scanning stations may also provide numbers and timing of scanned barcodes to assist with statistical analysis of traffic patterns by registration system 12 . advantageously , these access control techniques authenticate individuals and minimize line - jumping , fraud and other abuse . in an example application of these access control techniques , a merchant selling subscriptions to priority access lanes at airport security checkpoints on an annual basis may instead or also offer one - day priority access passes directly or through an airline to boost enrollment . an individual may purchase an airline ticket and request a one - day priority pass from the airline . the individual receives a mobile airline boarding pass from the airline for display by the individual &# 39 ; s mobile communication device 70 . the mobile boarding pass contains a barcode that is encoded with additional information denoting the individual &# 39 ; s one - day pass . scanning of the barcode at a scanning station reveals the one - day pass . the individual is granted permission to use the priority access lane . in another example application of there access control techniques , a theme park has an attraction reservation system , allowing individuals to reserve a time to come back and get on a popular ride or see a show or other attraction with little to no wait . some theme parks offer this service for free and some for a fee . in some cases , attraction reservation systems may include kiosks for dispensing reservations at select attractions . in other cases , attraction reservation systems may provide reservations at a reservation location separate from the location of the attraction . using the techniques of the present invention , an individual may obtain a reservation from a theme park resort or from the theme park &# 39 ; s website using a personal computer or mobile communication device and a web browser or mobile application . the individual &# 39 ; s mobile communication device 70 receives a mobile barcode from the theme park reservation system . the theme park reservation system encrypts the mobile barcode to prevent fraudulent copies . existing reservation ticketing machines may also be modified to also dispense tickets with barcodes . the attraction host or hostess scans the mobile barcode displayed by the individual &# 39 ; s mobile communication device 70 using a handheld barcode reader . the barcode reader may be networked in order to perform a validation process on the mobile barcode . two barcode readers , one at a main entrance to the attraction ( end of the queue ) and a second at the attraction front of the queue , facilitate calculation of attraction wait times . using the techniques of the present invention , an individual may obtain a reservation from a theme park resort or from the theme park &# 39 ; s website using a personal computer or mobile communication device and a web browser or mobile application . the individual &# 39 ; s mobile communication device 70 receives a mobile barcode from the theme park reservation system . the theme park reservation system encrypts the mobile barcode to prevent fraudulent copies . existing reservation ticketing machines may also be modified to also dispense tickets with barcodes . the attraction host or hostess scans the mobile barcode displayed by the individual &# 39 ; s mobile communication device 70 using a handheld barcode reader . the barcode reader may be networked in order to perform a validation process on the mobile barcode . two barcode readers , one at a main entrance to the theme park and a second at the attraction , facilitate calculation of attraction wait times . although the present invention has been described with particular reference to certain preferred embodiments thereof , variations and modifications of the present invention can be effected within the spirit and scope of the following claims .