Device and controlling method for displaying stationary/dynamic

Details Device and controlling method for displaying stationary/dynamic Device and controlling method for displaying stationary/dynamic

1996-12-09

1998-06-23

Lefkowitz, Edward

Communications: electrical

Land vehicle alarms or indicators

External alarm or indicator of movement

340464, 340466, 340467, 340479, 307 108, B60Q 100

Patent

active

057709980

ABSTRACT:
Device for displaying stationary/dynamic status of a car for assuring safety including a car stationary/dynamic state sensing part for detecting a change of speed of a predetermined time period sensed by a rotating slit plate mounted on a speed meter cable connecting device and a photo interrupter; a pulse generating part for converting an analog signal from the state sensing part into digital pulses and applying to an microcomputer; the microcomputer for reading in a driving data programmed in a built-in ROM in response to a signal from the pulse generating part and applying driving pulses to a relevant output port; a red LED operating part and a green LED operating part for turning on respective LEDs in a red LED array part and a green LED array part in response to the microcomputer operation output, thereby running states of car can be expressed in stationary/dynamic states of stop, slow running, acceleration, equal speed running, deceleration and reversing under the control of a microcomputer.

REFERENCES:
patent: 4357594 (1982-11-01), Ehrlich et al.
patent: 4556862 (1985-12-01), Meinershagen
patent: 4894641 (1990-01-01), Yang
patent: 5148147 (1992-09-01), Kobres
patent: 5231373 (1993-07-01), Freeman et al.

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