Servicing a software-controlled elevator

Details Servicing a software-controlled elevator Servicing a software-controlled elevator

1983-02-22

1985-12-24

Smith, Jerry

Excavating

324 73R, G06F 1100, G01R 3100

Patent

active

045610932

ABSTRACT:
A computer-controlled system, such as an elevator, is tested by augmenting computer operation with a diagnostic device containing a computer and coded diagnostic programs that a service technician identifies through a keyboard using diagnostic test codes that appear on an overlay which contains special codes and identifiers associated with numerical displays and lights on the diagnostic device for correlating test results to the test performed according to the program.

REFERENCES:
patent: 4002973 (1977-01-01), Wiesendanger
patent: 4055801 (1977-10-01), Pike et al.
patent: 4108358 (1978-08-01), Niemaszyk et al.
patent: 4168796 (1979-09-01), Fulks et al.
patent: 4308615 (1981-12-01), Koegel et al.
patent: 4348636 (1982-09-01), Doundoulakis
patent: 4393498 (1983-07-01), Jackson et al.

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