Simple and portable parking meter

Details Simple and portable parking meter Simple and portable parking meter

1993-04-27

1994-05-03

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Parking meter type

235380, 364463, G04F 100, G07C 130, G06K 1500

Patent

active

053094140

ABSTRACT:
A portable parking meter including a main device and at least a sub-device; The body of the main device has two inserting slots for some sub-devices and is provided on the front face thereof with a control panel, the inserting slots are provided with some card interfaces capable of communicational connection with the main device when the sub-devices insert therein; The main device has a CPU which uses a reset loop connected peripherally with a keyboard interface, an oscillating loop and a LCD loop, and which has its internal timing program to establish the communication between it and the sub-devices, and it can count sequentially by the rate of value preset in the sub-devices for timing or reckonning times and deducting amount of charges in the sub-devices as a parking fee.

REFERENCES:
patent: 4460965 (1984-07-01), Trehn
patent: 4532418 (1985-07-01), Meese et al.
patent: 4717815 (1988-01-01), Tomer
patent: 4861971 (1989-08-01), Chan
patent: 4880097 (1989-11-01), Speas
patent: 5166680 (1992-11-01), Ganot
patent: 5173883 (1992-12-01), Ilie et al.

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