Controlled Access System

    Automatic license plate recognition system (ALPR), which detects and segments the license plate area on the vehicle image obtained with anolog/network cameras; It is a system that reads the characters on the plate by optical character recognition (OCR) methods. ALPR consist of three main elements which are anolog/network camera with IR leds, license plate recognition software and hardware of the system (PC or processor boards) In this article, detailed information will be given with the license plate recognition system software. License plate recognition system software generally consists of 3 main elements. These are: finding the license plate region, segmenting the letters/numbers in the found plate region, recognizing the segmented character by optical character recognition methods. Various methods are preferred in plate region detection algorithms. The most popular of these are artificial intelligence methods. Plate region visuals are taught to the system, allowing...

  ·        A turnstile controls the way into or out of a building, room, or area of land, especially one that you have to pay to enter. ·        A cage type full height turnstile is a form of gate which allows one person to pass at a time. ·        Cage Type Full Height Turnstiles can be preferred especially for high security required places. ·        Turnstile rotating arms covered a separate structure for obstructing climbing which is called cage. ·        Their design is similar turnstile canopy that it is very helpful to protect sun light directly. Thus, a spotlight is available on the turnstile roof. ·        Stainless steel turnstiles have aesthetic and slim body which is made with AISI 316 stainless steel commonly. ·        Full height turnstiles have four ...

  ·        Drop arm turnstile is a type of motorised turnstile. It is also called in different form like; barrier turnstile, VIP turnstiles, automatic turnstile etc. ·        Drop arm turnstiles are used to controlled at pedestrian entrances. ·        Drop arm barrier turnstiles are very common near the other turnstiles because materials entrances as it is motorised. ·        It is possible to see automatic turnstiles at commercial centres, university, governments, private sector buildings etc. ·        Barrier turnstiles may be preferred for handicap access. Because the arms drop down automatically for passage. For more information, visit Optima Engineering. How does a motorised drop arm turnstile seem? ·        Drop arm turnstiles seem like a classic waist height turnstile. It is a type of h...

  ·        Revolving doors seem like glass flaps in a cabin which is going to revolve while people are passing inside or outside. The good thing is that entry and exit at same time is possible with automatic revolving doors. ·        Revolving doors cannot be classified in turnstiles. It can be classified in pedestrian gate categories. ·        They have aesthetic and slim body which is made with stainless steel or aluminium and combined with tempered glasses. ·        The body of revolving door is usually cylinder shape. This oval shape is tinged an elegant appearance. ·        Indication led lights have been on some of revolving doors for guidance. For more information, visit Optima Engineering How does a revolving door work? ·        There are photoelectric sensors on the door cabin which i...

  ·        There are two separate mechanism on the double turnstile, each of them is for per passage. ·        Double Full Height Turnstiles often use ratchet mechanisms to allow the rotation of the stile in one direction allowing ingress but preventing rotation in the other direction. ·        A lock up arm ( pawl ) is used to locking at the double full height turnstile mechanism. ·        Solenoids push or pull the pawls. ·        A drive spring provides the double turnstile arm to return its correct position when passage occurs. Drive spring mechanism has a spring inside its housing used to store mechanical energy. If this spring is compressed more than desired, force applied to turnstile arm rotating force will increase. ·        Shock absorber provides the smooth operation of the double t...

  ·        It is also called in different forms like; swing gate turnstile, cylinder swing turnstile, swing barrier turnstile, swing barrier, flap barrier, flap gate, glass line, VIP turnstiles, rotary gate, rotary automatic swing gate etc. ·        Automatic swing turnstiles are used to controlled at pedestrian entrances. ·        Swing barriers are very common near the other turnstiles because materials entrances ·        It is possible to see swing turnstiles at commercial centres, university, governments, private sector buildings etc. ·        Swing gate turnstiles may be preferred for handicap access. Because the flaps open the passage automatically. For more information, visit Optima Engineering. How does a swing gate turnstile seem? ·        Swing gate turnstiles seem like a glass flap ...