REMOTE SIGNALING DEVICE
FIELD: remote signaling and control devices such as door interconnection systems. ^ SUBSTANCE: device has primary power supply, secondary power supply, control unit, keyboard, locking unit, floor switches, and also controlled power supply. Locking unit has door condition sensor, flip-flop, amplifier...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: remote signaling and control devices such as door interconnection systems. ^ SUBSTANCE: device has primary power supply, secondary power supply, control unit, keyboard, locking unit, floor switches, and also controlled power supply. Locking unit has door condition sensor, flip-flop, amplifier, key unit, actuating unit, and locking unit power supply; floor switch has zero shaper, unity shaper, microprocessor unit, amplifiers, resistors, signaling units, and floor switch power supply; each signaling unit has capacitor and loudspeaker with remote entrance door unlocking button connected thereto; controlled power supply has inverter and four electronic switches. ^ EFFECT: enhanced reliability of device due to transfer of control signals overpower circuit. ^ 2 cl, 8 dwg |
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