A turnstile, also called a baffle gate, is a form of gate which allows one person to pass at a time. It can also be made so as to enforce one-way traffic of people, and in addition, it can restrict passage only to people who insert a coin, a ticket, a pass, or similar. Thus a turnstile can be used in the case of paid access (sometimes called a faregate when used for this purpose), for example public transport as a ticket barrier or a pay toilet, or to restrict access to authorized people, for example in the lobby of an office building.


Turnstiles are used at a wide variety of settings, including stadiums, amusement parks, museums, mass transit stations, office lobbies, retail sites, cafeterias, temporary exhibits, ski resorts, casinos and souvenir stands.


From a business/revenue standpoint, turnstiles give an accurate, verifiable count of attendance. From a security standpoint, they lead patrons to enter single-file, so security personnel have a clear view of each patron. This enables security to efficiently isolate potential trouble or to confiscate any prohibited materials.


Source: wikipedia.com



Turnstiles may be combined with RFID readers, providing data and resources for assessing and monitoring student and employee's time and attendance, visitor's movemement etc. aside from addressing security concerns.



Automatic Ticketing and Access Control system normally involves visitors passing their tickets through electronic readers that check the validity. It can be used at sport, leisure and recreation sites that handle high volumes of day visitors with no or minimum delay, such as: stadiums and arenas, museums, theme and amusement parks, public expos and convention centers, etc.





How Does Automatic Ticketing Work?

1. Selling tickets:
Visitors buy tickets as usual at the box office. The tickets, however, are more than paper - they bear electronic information. Tickets may take the form of "smart cards", "magnetic strips", Barcode, RFID contactless, etc. Tickets may be printed / pre-encoded prior to sale, or printed / encoded at the Point-of-Sale (POS) - at actual selling time.

2. Entry Readers ("Validators"):
Once the visitor has a ticket, he/she goes to the entrance, and inserts or presents it to the Validator. The Validator normally located on top of the turnstile.

3. Ticket's Validation:
The Validator reads the ticket's encoded data, checks and verifies that data according to pre-defined parameters. In standalone Access system, the validator itself checks and verifies all the parameters. In Online Access System, the ticket's ID is send to the host computer which hold a main data base of all tickets. The host checks and verifies the ticket ID validity in it's data base.

4. Ticket's canceling:

Once the ticket have been used, it must be canceled to avoid second use.

In Standalone Access System, if all parameters are found to be in order, the Validator updates the memory in the card (ticket) about this entry, to avoid misuse with this particular card (ticket).

In Online Access system, the host update the main data base, that this ticket's number have been used. Then, the Validator opens the turnstile, and let the visitor to enter

What is the difference of Standalone and Online Access systems?

STANDALONE Access System Each Entry Validator does not need communication network, central host or central data base to work. It verifies the card's validity by itself. If the ticket is valid it will allow entry to the turnstile and it will cancel the ticket's validity to prevent double usage for the current event.

ONLINE Access System
Online Access System works with a main host computer and a database. Each Entry Validator is connected by TCP/IP or RS232 or RS485 communication network. The main host computer verify the validity of each ticket and sends back to the validator for access. The main host computer also control ticket's printing, or encoding.

What is Double System?

Double System operates both as Standalone and/or Online. In normal operation, it act as Online but if there will be any problem with the communication network, the system will automatically divert to Standalone mode.

While in Standalone mode, the ticket validation will take place locally through the Entry Validator.

Once the communication restored, the Validator automatically goes back to normal Online mode.

The Validator then updates the host computer with all the ticket's ID which have been used to enter the site, as well as other information that was stored during the back-up time.

What are the advantages of Standalone Access System?

Efficient Self-contained
Standalone Ticket Validators don't need any external computer to verify and cancel a ticket. They have all the computing power, the data, and the controls to efficiently implement "automatic site entry system".

Simple Operation
Since no main computer is required, there are no backup problems, no communication lines, no complex software, etc. Each validator works by itself.

High Reliability
The Validator offers a high degree of reliability, since there is no need for the complex network of communication lines, computers and software problems.

Easy and Limited Maintenance
Since each unit is standalone, if a problem arises, it is limited to one unit only. All you have to do is replace that unit; all the other standalone units continue to work normally. The site's operations are never endangered.

Competitive Price
Without expensive hardware or software, the price is very affordable.

Easy Deployment
Wherever and whenever you want to control an entry, just place the Validator (often with a turnstile), plug in the power cord – and you're ready for business. It is so fast and easy, that one version is a wheeled, transportable turnstile with built-in Validator.