Two-wire, multiple-transducer communications system
US4093946A · kind A · utility
27Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 1, 1976 |
| Grant date | Jun 6, 1978 |
| Priority date | — |
| Expiry date | Mar 1, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q9/16
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system and method for interrogating a plurality of data gathering devices for actuation of selected ones from which data is received. Transducers are typically remotely located from the interrogating and receiving apparatus and are connected via a single two-conductor path over which power is conveyed to the transducers and data signals conveyed between the transducers and the receiving apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.