Deka Products Limited Partnership

Quadrum Telecommunications, Inc.

Qvex, Inc.

Gregory Lee Distler

Jason A Demers

Geoffrey P Spencer

Carl Ray Distler

Robert J Bryant, Jr

Robert Bryant

Gary Grantland

David E Collins

Joseph Ralph McGinty

Steven Michael Faes

Eugene Gray Heathershaw

A method for delivering a target volume of fluid to a destination is provided. The method includes delivering a first volume of fluid to the destination in increments each having approximately a first incremental volume, the first volume of fluid being less than the target volume and delivering a second volume of fluid to the destination in increments each having approximately a second incremental volume, the second incremental volume being less than the first incremental volume, such that the sum of the first volume and the second volume is approximately equal to the target volume.

System and method for delivering a target volume of fluid

Display screen with vertically centered text lines

A coin validation mechanism for evaluating coins and the like inserted therein and for validating acceptable coins includes a coin chute defining a coin path and a sensor for evaluating the type of material of which the object in the coin chute is made of. The sensor for evaluating includes a coil sensor positioned adjacent the coin path and a non-resonant electrical circuit for operation of the coil sensor. The coin validation mechanism also includes a light source for directing light across the coin path and a light sensor for sensing light directed across the coin path. An electronic unit is provided for evaluating an electromagnetic perturbation caused by an object moving past the coil sensor and for determining the amount of light blocked by the object in the coin path by comparing the amount of light sensed by the light sensor with the object in the coin with the amount of light sensed by the light sensor in the absence of an object in the coin path. The electronic unit further compares the amount of light blocked by the object in the coin path and the electromagnetic perturbation with known values for valid coins to evaluate whether the object in the coin path is a valid coin or not.

Coin validation apparatus

A coin box monitoring circuit for use in pay telephones, providing coin detection, coin volume totalization, and full coin box signaling to the telephone central office. An included coin chute assembly has three channels that cause nickels, dimes, and quarters to pass through specific locations within each channel. Light sources and light detectors detect the passage of coins. A microprocessor is utilized to control the light sources, monitor the detectors, and volumetrically count the coins passing through the coin chute. On reaching a full condition, a microprocessor then controls a relay to signal that the predetermined coin box level has been reached.

Full coin box signalling device for use with coin telephones

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Huntsville, AL, United States of America

Gregory Lee Distler