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8899401 Differential detection coin discrimination systems and methods for use with consumer-operated kiosks and the like  
Systems and associated methods for coin discrimination are disclosed herein. In one embodiment, a method for discriminating coins includes obtaining an electromagnetic sensor signal of a coin,...
8668069 Differential detection coin discrimination systems and methods for use with consumer-operated kiosks and the like  
Systems and associated methods for coin discrimination are disclosed herein. In one embodiment, a method for discriminating coins includes obtaining an electromagnetic sensor signal of a coin,...
8622190 Coin sensor  
A coin tester includes a coin sensor which outputs a measurement signal which is influenced by the presence of a coin. A memory device stores an impedence model of the coin sensor and the model...
8561777 Coin sensor  
A coin sensor performs time-domain eddy-current testing using an inductance in one arm of a Maxwell bridge which is driven by a bipolar square wave having randomly-selected intervals between...
8550227 Auto-positioning sensors for coin counting devices  
Systems and methods for automatically positioning a coin sensor are disclosed herein. An auto-positioning coin sensor configured in accordance with one embodiment of the disclosure includes a coin...
8167110 Coin discrimination apparatus  
A coin discrimination apparatus according to the present invention which discriminates a bimetallic coin having a ring part, and a core part provided on an inner side of the ring part and composed...
8023121 Method for optically collecting numismatic data and associated algorithms for unique identification of coins  
A method to generate an optical signature of a coin is disclosed. A plurality of parameters are generated and recorded related to rotational positions around the circumference of a coin. The data...
7916281 Apparatus for producing optical signatures from coinage  
An apparatus for producing scattering signatures from a coin comprises a platform configured to hold the coin and an electromagnetic radiation source configured to produce a beam directed toward a...
7708130 Method for testing coins  
A method for testing coins which move along a runway, using a coil assembly which, on either side of the runway, has a transmission coil C, D adapted to be admitted by a transmission signal and a...
7549526 Coin identifying sensor and a coin selector with coin identifying apparatus  
A coin identifying sensor and a coin identifying apparatus has coin detecting sections (25X and 25Z) that are formed by relatively disposing a group of coin identifying sensors (21A, 21B, 21C and...
7520374 Coin discrimination apparatus and method  
A coin discrimination apparatus and method is provided. Coins, preferably after cleaning, e.g. using a trommel, are singulated by a coin pickup assembly configured to reduce jamming. A coin rail...
7481428 Paper leaf detecting device  
A paper leaf detecting device includes a plurality of sensors positioned at an oblique angle relative to a transporting direction of leaves of paper, the plurality of sensors being arranged in a...
7464802 Method and apparatus for conditioning coins prior to discrimination  
A coin conditioner is provided for cleaning or otherwise conditioning coins in a coin discriminator apparatus prior to transfer to a coin sensor. Coins enter through a feed tray and move down the...
7108120 Coin inspection method and apparatus therefor  
A coin inspection method and apparatus capable of inspecting coins having different materials and surface patterns with high accuracy by a simple coil arrangement. An exciting coil is arranged in...
7104384 Method and apparatus for measuring the diameter of coins  
A method for measuring the diameter of coins in coin validators, comprising the steps below: The coins traverse an electromagnetic field which is formed such as to partially hide the field, at...
7073654 Coin selector for bimetal coins  
A coin selector assembly includes a coin passageway having at least a pair of thickness sensor unit operatively positioned along the coin passageway to provide respective measurements of the...
7048108 Currency validation apparatus and method  
A currency validator operates by comparing measured properties of inserted articles with acceptance criteria. A set of acceptance criteria can be either enabled or disabled automatically. Some...
6892873 Coin detector for use in a coin acceptor  
A coin detector installed in the track of a coin acceptor at a back side of a face panel is constructed to include a frequency oscillation circuit, the oscillation circuit assembly being formed of...
6739444 Inductive coin sensor with position correction  
A coin sensor utilizes time-multiplexing of LC oscillators having natural frequencies F1A, F1B, F2, and F3 to produce magnetic fields in three sets of windings. As a coin passes through the coin...
6685000 Coin discrimination method and device  
A coin discrimination method and device reliably acquires stable two-dimensional images of the surfaces of coins, and using the acquired two-dimensional images is able to perform discrimination,...
6668999 Coin sensor  
A coin sensor is provided for more accurately assessing the authenticity of a coin passing through a vertical channel where the channel is sized to accommodate different diameter coins. In the...
6536578 Sensor for coin acceptor  
A sensor for a coin acceptor includes an inductor connected in a series resonant circuit. The sensor coils are arranged in a series resonant configuration with the resonant capacitance made up of...
6499581 Coin discriminating apparatus  
A coin discriminating apparatus includes a magnetic sensor for detecting magnetic properties of a coin being transported and producing magnetic data of the coin, an optical sensor for producing...
6471030 Coin sensing apparatus and method  
A coin discrimination apparatus and method is provided in which an oscillating electromagnetic field is generated on a single sensing core. The oscillating electromagnetic field is composed on one...
6404090 Apparatus for obtaining certain characteristics of an article  
Apparatus for obtaining certain characteristics of an article (60, 62), the apparatus including an electromagnet inductor (10, 30) with a first end (20, 54) and a second end (20, 54) with an air...
6382386 Eddy-current sensor for coin evaluation  
An improved eddy-current sensor for a coin validator uses a thin ferrite plate having a suitable aspect ratio for two coils. One of them serves to generate magnetic field and the other serves to...
6325197 Method and device for checking coin for forgery  
A method of and apparatus for determining authenticity of coins based on difference in surface irregularity pattern of coins. A coin passage is inclined at a predetermined angle, and an exciting...
6298973 Multiple coin analyzer system  
A method and apparatus for discriminating among a plurality of coin denominations includes sensing the characteristics of a test coin with a test coin sensor and comparing the characteristics of...
6173826 Method and apparatus for validating coins  
A device for validating a coin comprises an electro-magnetic sensor, means for monitoring a first signal generated by the sensor and means for deriving a measurement from a second signal generated...
6098778 Coin collecting mechanism with top coin slot and coin return function  
A coin collecting mechanism with top coin slot and coin return function is provided. The coin collecting mechanism has a main support onto which both a coin return mechanism and a coin comparison...
6098777 Method and apparatus for discriminating different coins in free fall  
A method and apparatus for identifying a coin in free fall employs a coin sensor that has a pair of drive coils for generating a horizontally elongated magnetic field across a free-fall path of...
5992603 Coin acceptance mechanism and method of determining an acceptable coin  
A coin acceptance mechanism and a method of determining an acceptable coin includes a pair of spaced apart coils between which a coin is passed. A signal is generated in one of the coils and...
5871075 Coin sorting machine  
A low-cost, high-performance coin sorting machine is provided by providing a plurality of coils which sense coins concurrently and using a simple oscillation circuit to provide oscillation signals...
5808466 Process and device for high speed measurement and characterization of magnetic materials  
A process for characterization of magnetic materials for validating documents carrying marks which include magnetic materials is based on an analysis of signals supplied by an oscillator...
5788047 Coin collecting machine  
A coin collecting machine including a coin sorting device and a sequential coin receiving device. The coin sorting device includes a coin way and coin detecting oscillators disposed on two sides...
5767506 Optical coin sensing station having a passageway and beam splitters  
In a coin sensing station, coins pass edgewise along a passageway through a transparent block and interrupt three optical sensing beams that transverse the passageway at spaced locations. The...
5743372 Coin discriminating apparatus  
A coin discriminating apparatus for discriminating coins transported in a coin passage includes a magnetic sensor having oscillating inductors and receiving inductors, the receiving inductors...
5743373 Coin discrimination sensor and coin handling system  
A coin discrimination sensor for discriminating among desired and undesired coins, comprised of an excitation coil for producing an alternating magnetic field. These alternating magnetic fields...
5697484 Electronic coin-collecting mechanism  
Disclosed is an electronic coin-collecting mechanism including a vertically movable sensor to examine qualified coins inserted into the mechanism so as to actuate a game on which the mechanism is...
5687830 Item discrimination apparatus and method  
An item discriminating method and apparatus are provided for discriminating between an acceptable and unacceptable item. An apparatus for item discriminating preferably includes characteristics...
5647469 Coin sorting device  
The coin sorting device is equipped with a coin passage which guides coins that are inserted via a coin insertion opening, a gate plate for opening and closing the coin passage, a coin jamming...
5614824 Harmonic-based verifier device for a magnetic security thread having linear and non-linear ferromagnetic characteristics  
A security thread for use in a paper-based value document, such as currency or banknote paper, includes a plastic substrate coated with one or more regions of "soft" magnetic material. A device...
5573100 Device for checking metallic pieces, in particular coins  
Device for checking metallic pieces, in particular coins, characterized in that it includes: two motorized, integral, concentric disks (3, 4) rotating in a plane that is inclined in relation to...
5568854 Coin discrimination method  
An electronic coin detector and method for sensing the presence of a valid coin and for providing an indication of the valid coin's type. A coin is guided into position between a first set of...
5507379 Coin handling system with coin sensor discriminator  
A coin sorter for sorting mixed coins by denomination includes a rotatable disc, a drive motor for rotating the disc, and a stationary sorting head having a lower surface generally parallel to the...
5489015 Coin discrimination apparatus  
An apparatus for identifying coins uses inductive coupling of the coin with a pair of inductors. The apparatus includes a path for coins to be tested, first and second inductors for forming...
5480019 Coin-distinguishing method and apparatus therefor  
The present invention provides a coin-identifying method that is fast and that can reject any counterfeit coin that closely resembles a genuine coin, or a counterfeit coin that has a distribution...
5476168 Coin validator  
A coin validator (10) has a coin path (26) which passes between one set of detect coils (40, 42). The set of coils (40, 42) is connected in a detect circuit, and the coils (40, 42) are adapted to...
5462151 Method and apparatus for coin validation  
A system for validating coins comprises a transmitter coil for transmitting low-frequency electromagnetic radiation through a coin to be validated and a receiver coil for receiving radiation...
5458225 Coin discriminating apparatus  
The present invention relates to a coin discriminating apparatus for discriminating the thickness, material, diameter, and the like of a coin at high precision. A transmission coil (11) receives...

Matches 1 - 50 out of 127 1 2 3 >