Communications: electrical – Pedestrian guidance
Patent
1983-03-18
1986-05-20
Caldwell, Sr., John W.
Communications: electrical
Pedestrian guidance
340925, 340407, G08G 1095
Patent
active
045904740
ABSTRACT:
A street crossing signal device for blind pedestrians. The device indicates the directions of pedestrian crosswalks at an intersection, so that the blind person can orient himself in a desired direction for crossing the street at one of the crosswalks, and provides a signal to that person when that crosswalk is safe for pedestrian crossing. The device comprises a pair of rigid hand rails secured to a post at the corner of the intersection, each hand rail having at least a portion thereof oriented in the direction of a corresponding crosswalk. The device further comprises a vibrator means which is secured within each hand rail. The vibrator means when actuated causes its associated hand rail to vibrate. Also provided is means to mechanically isolate each hand rail from the post so that vibrations from the hand rails are not transmitted to the post. Electric circuit means associated with traffic control lights at the crossing are also provided, so that when the lights at the crosswalk are in a designation inviting pedestrian crossing, the vibration means for the particular hand rail having a portion oriented in the direction of that crosswalk is actuated.
REFERENCES:
patent: 3020023 (1962-02-01), MacIntyre et al.
"Traffic Signals for the Blind", The American City, May 1979.
Patterson Albert W.
Patterson David G.
Brier Jeffery A.
Caldwell Sr. John W.
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