LandOfFree - US Patents - Listing for Check-actuated control mechanisms

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validation apparatus

Check-actuated control mechanisms – With additional – disparate means preventing fraudulent... – Means preventing use of tethered check

Coin validation apparatus and method

Check-actuated control mechanisms – With additional – disparate means preventing fraudulent... – Means preventing use of tethered check

Coin validation apparatus and method for detecting stringing of

Check-actuated control mechanisms – Including means to test validity of check

Coin validation by signal processing

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validation device

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validator

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validator

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validator

Check-actuated control mechanisms – Including noncontacting – relatively movable parts connected...

Coin validator

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validator

Check-actuated control mechanisms – With additional – disparate means preventing fraudulent... – Means preventing use of tethered check

Coin validator

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validator

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validator calibration

Check-actuated control mechanisms – Including value accumulator for plural checks – Having solid state circuitry

Coin validator for a payphone

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validator for testing the mass of a coin

Check-actuated control mechanisms – Including noncontacting – relatively movable parts connected...

Coin validator modification

Check-actuated control mechanisms – Including value accumulator for plural checks

Coin validator with optical coupling

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validators

Check-actuated control mechanisms – Including means to test validity of check – By testing material composition

Coin validators