Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
Patent
1993-11-15
1995-08-08
Ro, Bentsu
Electricity: motive power systems
Positional servo systems
With particular motor control system responsive to the...
318567, 318696, 40466, 40467, 40446, H02P 800, G09F 1110
Patent
active
054402140
ABSTRACT:
A drive control and interface apparatus housed within an advertising display for driving a stepper motor coupled to a display device to sequentially display a plurality of images. The drive control and interface apparatus includes a microprocessor having program memory connected to the motor through a motor driver. A drive control program operates the microprocessor to drive the stepper motor to change the image displayed after a corresponding predetermined period of time. The program includes drive routines for fast and slow image changes that drive the stepper motor to minimize resonance. A control interface connects to the microprocessor. The program is responsive to the control interface to permit manual sequencing of the display and user selection of the corresponding display times for each image.
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Admotion Corporation
Ro Bentsu
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