Apparatus and method for determining messages transmission perio

Details Apparatus and method for determining messages transmission perio Apparatus and method for determining messages transmission perio

1997-10-17

1999-04-06

Nappi, Robert E.

Elevator, industrial lift truck, or stationary lift for vehicle

Having computer control of elevator

187391, B66B 128, B66B 134

Patent

active

058921893

ABSTRACT:
The present invention relates to a method for transmitting messages in an elevator group control apparatus wherein a plurality of elevator controllers and a separate group controller transmit data using a covalent bus line. The invention comprises the steps of (a) transmitting, through the serial communication bus line, a data transmission period and a data transmission star point of each elevator controller, which are determined in accordance with the number of elevator cars connected with the serial communication bus line by the group controller, to the corresponding elevator controller; and (b) receiving the data transmission period and the start point which are transmitted through the serial communication line from the group controller; and (c) storing the data transmission period.

REFERENCES:
patent: 4497391 (1985-02-01), Mendelsohn et al.
patent: 4700810 (1987-10-01), Otala
patent: 4872532 (1989-10-01), Tobita et al.
patent: 5360952 (1994-11-01), Brajczewski et al.

Affiliated with

Also associated with

Rating

Apparatus and method for determining messages transmission perio does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus and method for determining messages transmission perio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus and method for determining messages transmission perio will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1373420