Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent
1970-06-09
1976-03-09
Cook, Daryl W.
Registers
Calculators
Input-output calculator to indicator, printer, etc.
235 6112N, 250570, G06K 710, G06K 1906, G08C 906
Patent
active
039433366
ABSTRACT:
There is disclosed a photoelectric scanner head for reading information pertaining to actual time, elapsed time or the like from a card or other record-bearing member, and for providing output signals that are a function of the information read; the output signals are used to obtain a useable electrical analogue of the information read from the member. The scanner comprises a rotatably driven body member mounting a source of light, read photoelectric devices and a switching circuit for retrieving information from the record member. A source of signals is supported by the body member and operably connected to the photoelectric devices by the switching circuit such that the source generates scanner output signals as a function of the information retrieved. Scanner output signals are detected, and in most disclosed embodiments, are used to controllably gate timing pulses into counters such that the counters provide on their outputs a raw electrical analogue of the information read from the record member. Means may be connected to the counters for correcting the analogue to account for error in the recording made on the record member.
REFERENCES:
patent: 3412256 (1968-11-01), Cronin
patent: 3474234 (1969-10-01), Rieger et al.
Dillard John W.
Tringali Dominick
Cook Daryl W.
Universal Business Machines
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