Types of Slot Machines


Slot machines are games that accept paper tickets or cash for a bet. Activated by a lever or button, the reels spin and winning combinations earn credits according to the paytable. The symbols used on slot machines vary according to the game theme, but classic symbols include bells, lucky sevens, and fruits. Bonus features usually coincide with the theme as well.

Classic slot machine design

A classic slot machine design uses an elaborate system of gears and levers to operate the reels. A central metal shaft supports the reels and connects to a handle mechanism. The mechanism controls the speed and stops the reels when they stop spinning. It is also equipped with sensors to determine the current reel position and payout system. The payout mechanism also features a coin detector that unlocks the brake when a coin is inserted.

Some games feature a jackpot and offer cash prizes. A typical jackpot payout is about 2,000 times your bet. These jackpots can be won by lining up three or more identical symbols on the reels. There are six levels in a classic machine. Players can win anywhere from one to five coins for each row of symbols.

Tilt switch

The slot tilt switch is a simple electromechanical device used to detect tilt angles. It is typically found in pinball machines, position-activated toys, and consumer electronics. It is also used in safety and security control systems. Conventional tilt sensors use a mercury-filled casing and open and close contacts when the device is tilted. When the casing is opened or closed, mercury vapor escapes, which is toxic.

The basic design of the slot tilt switch is a simple circuit that consists of two signal pins connected to GND and 3.3V. When a player tilts the object, the tilt switch detects this and emits a low-level signal. Once the signal reaches the second device, the player can activate the bonus rounds. However, if the slot tilt switch is malfunctioning, the game will not function properly. Therefore, it is important to understand its function so that it will work properly.

Hopper fill slip

The Hopper fill slip is a record of the replacement of coins into a slot machine’s hopper. Each time a slot machine is used, the hopper fills up and needs more coins. This record contains the date and time of the Hopper Fill, the number of coins placed into the hopper, and signatures of the employees involved in the transaction. In addition, the document specifies the location, date, and slot machine number on which the Hopper fill took place.

The hopper fill slip is deposited in a locked box by security. The security staff then reconciles the Duplicative Security part of the slip with the Original Cashier portion.

MEAL book

A MEAL book slot machine is a record keeping system that stores information such as the date of entry, employee signature, amount of coins inserted and winnings. This information is then submitted to the gaming commission for validation. The machine can be either upright or low-level and can have several paylines. It may also record the employee’s personal information, such as name, address, and phone number. However, there are other kinds of MEAL book slot machines.