Master station stops polling a slave station if detecting no com

Details Master station stops polling a slave station if detecting no com Master station stops polling a slave station if detecting no com

1996-05-10

1998-09-29

Asta, Frank J.

39520062, 39520067, 39520078, 39520083, G06F 1300

Patent

active

058156607

ABSTRACT:
Monitoring a slave station's communication, a master station stops polling if no communication. To resume polling, the master station transmits subscription polling in a certain rate to inquiry in a broadcasting type necessity of polling. A slave station that is going to resume polling responds this and comprises means to re-transmit in random if a response of the slave station conflicts other slave station's response. In addition, the master station comprises means to monitor response conflict conditions and dynamically control the number of times of subscription polling.

REFERENCES:
patent: 4167730 (1979-09-01), Brown
patent: 4924461 (1990-05-01), Amemiya et al.
patent: 4937818 (1990-06-01), Sonetaka
patent: 5088094 (1992-02-01), Grauel et al.
patent: 5132680 (1992-07-01), Tezuka et al.
patent: 5166675 (1992-11-01), Amemiya et al.
patent: 5361260 (1994-11-01), Mito

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