Input protection circuit for electronic instrument
US4473857A · kind A · utility
11Cited by
3References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 10, 1982 |
| Grant date | Sep 25, 1984 |
| Priority date | — |
| Expiry date | Jun 10, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R13/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A protection circuit for an electronic AC/DC instrument employs an input resistor connected across the DC input terminals of the instrument in series with the inner terminal of a coaxial cable connected to a resistance input probe, the inner cable being connected to the AC input terminals by means of a capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.