Process for transmitting signals between two elements and device for carrying out said process
US4935738A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 26, 1988 |
| Grant date | Jun 19, 1990 |
| Priority date | — |
| Expiry date | Jan 26, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08C19/24
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and apparatus are provided wherein there is associated with each value of a measurement of a parameter such as pressure, for transmission through an electromagnetic coupling device, a time duration or period which is a function of the measured value. A first, start signal of relatively short duration is transmitted and thereafter, at the end of a period which is a function of the parameter, a second, ending signal of relatively short duration is transmitted. A receiving device which is responsive to said signals, measures the elapsed time between them, i.e., measures the length of the intervening period, and converts this measurement into a measure of the parameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.