Patch cord timer
US4071773A · kind A · utility
2Cited by
2References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 1976 |
| Grant date | Jan 31, 1978 |
| Priority date | — |
| Expiry date | Aug 18, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/292
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A timer wherein the timing means of said timer includes an improved patch cord control which consists of the electrical coupling of at least two patch cords and two terminal means to individual power switching means and the grouping of timing resistors into at least two groups each of which consist of timing resistors of equal value for preselecting a maximum number of time intervals utilizing a minimum number of resistors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.