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HVAC fan-powered terminal unit having preset fan CFM

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Analog armature control
Reissue Patent

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IC chips with self-aligned thin film resistors

Electricity: motor control systems – Specific feedback condition or device – Load or torque
Patent

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Impact wrench having speed control circuit

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Analog armature control
Patent

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Integrated motor controller

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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Inverter-fed three-phase motor for household appliance,...

Electricity: motor control systems – Specific application:
Reexamination Certificate

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Limited-pool random frequency for DC brush motor low...

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...
Reexamination Certificate

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Load control system for motor

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Reexamination Certificate

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Load current sampling technique

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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Loading drive system

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Analog armature control
Reexamination Certificate

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Machine tool and method for operating a machine tool

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator
Reexamination Certificate

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Magneto-resistance effect device with improved thermal resistanc

Electricity: motor control systems – Specific feedback condition or device – Load or torque
Patent

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Manual rotary sphere control of an electronic equipment with tou

Electricity: motor control systems – Open loop speed control system for dc motor with commutator
Patent

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Mass flow rate control system and method

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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Method and apparatus for automatically controlling and scaling m

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Field control – or field and armature control
Patent

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Method and apparatus for controlling a DC electric motor

Electricity: motor control systems – Open loop speed control system for dc motor with commutator – Analog armature control
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Method and apparatus for controlling a physical parameter

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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Method and apparatus for controlling electronically...

Electricity: motor control systems – Open loop speed control system for dc motor with commutator
Reexamination Certificate

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Method and apparatus for controlling motor

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...
Reexamination Certificate

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Method and apparatus for controlling single or polyphase a.c. po

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent

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Method and apparatus for controlling the speed of a motor

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
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