Portable programmer for time-of-day metering register system and

Details Portable programmer for time-of-day metering register system and Portable programmer for time-of-day metering register system and

1976-09-17

1978-06-06

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 100

Patent

active

040939979

ABSTRACT:
A portable programmer is disclosed for programming and testing a multiple rate meter such as an electronic time-of-day meter system. The portable programmer includes a quartz crystal controlled seven-day clock. A time comparator is driven in synchronism with a signal which drives the clock in the time-of-day meter. When the time of the time comparator is equal to that of the programmer's timer, a compare signal is generated to switch the time in the meter to its standard time base. A programmable read-only memory in the portable programmer stores a plurality of different programs, each of which can be selectively read into the time-of-day meter. The output of the programmable read-only memory is read out and compared with the time generated by the time comparator. When a comparison exists an output is generated to a program comparator which compares the control output of the time-of-day meter with the control output signal from the portable programmer, and if a comparison exists an indication is given indicating that the program has been properly read into the time-of-day meter. A method of programming and testing a multiple rate metering system by using the portable programmer is also disclosed.

REFERENCES:
patent: 3913014 (1975-10-01), Halstead et al.
patent: 3944984 (1976-03-01), Morley et al.
patent: 4008458 (1977-02-01), Wensley

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