Solid state relay
US4039855A · kind A · utility
1Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1976 |
| Grant date | Aug 2, 1977 |
| Priority date | — |
| Expiry date | Mar 3, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/28
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A solid state equivalent of a relay includes a pair of time delay circuits having inputs which couple to a pseudo coil terminal. One time delay circuit couples to drive a bilateral switch which simulates the operation of a set of normally closed relay contacts and the other time delay circuit is connected in series with an inverter gate and coupled to drive a second bilateral switch which simulates the operation of a set of normally open relay contacts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.