Apparatus to provide a remote display of the operating condition of a water treatment system
US5774529A · kind A · utility
47Cited by
5References
13Claims
0Family size
Inventors
Key dates
| Filing date | Apr 18, 1996 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Apr 18, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2209/008
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An apparatus for providing a remote display of the operating condition of a water treatment system having an electronic control utilizing a voice grade telephone system. A tone generator is associated with electronic control to generate tones which are transmitted through the telephone system to a decoder which provides digital signals to a microcomputer which provides a display of the operating conditions of the water treatment system at a remote location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.