Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Determining machine or apparatus operating time or...
Patent
1989-01-10
1990-11-27
Heyman, John S.
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Determining machine or apparatus operating time or...
377 13, 377 20, 377 26, 377 15, 36455101, G06M 127, G06K 1100, G06F 1130
Patent
active
049742388
ABSTRACT:
Equipment using consumables that require replacement after a predetermined number of uses includes counter arrangements for keeping track of the number of uses of each consumable. Even though some of the consumables may replace the same item, the usage count is maintained for each individual consumable. For the consumables, automatic identification of replaced items is provided whereby the counter arrangement is enabled to accumulate usage counts on the correct consumables.
REFERENCES:
patent: 4389709 (1983-06-01), Knibiehler et al.
patent: 4441197 (1984-04-01), Baun et al.
patent: 4531826 (1985-07-01), Stouchton et al.
patent: 4639876 (1987-01-01), Deeds
patent: 4719587 (1988-01-01), Berte
patent: 4737910 (1988-04-01), Kimbrow
patent: 4852104 (1989-07-01), Finger
Kobayashi Shigetaka
Shibata Yuuichi
Tanaka Shuuhei
Heyman John S.
International Business Machines - Corporation
Wright Carl M.
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