Methods and taximeters for calculating a taxi fare
US4409685A · kind A · utility
7Cited by
7References
6Claims
0Family size
Inventor
Key dates
| Filing date | Jan 27, 1981 |
| Grant date | Oct 11, 1983 |
| Priority date | — |
| Expiry date | Jan 27, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/0284
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Electronic taximeter comprising a clock, a distance pick-up, a counter registering the number n1 of clock pulses delivered between two distance pulses, three registers R2, R3, R4 in which are recorded constant numbers n2, p2 and p1, a multiplier circuit, a selector circuit, a totalizing counter and a luminous display unit. Each taxi run is split into successive portions of equal length, and the fixed unit price p2 and the price n1.p1 variable with the speed are worked out for each portion, after what the highest of the two is selected and a total fare is displayed by adding up the partial prices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.