Electrostatic destruction preventing circuit and receiving apparatus having the same
US5576920A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 2, 1995 |
| Grant date | Nov 19, 1996 |
| Priority date | — |
| Expiry date | May 2, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G11/02
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An electrostatic destruction preventing circuit for a receiving apparatus, is provided with: a first Zener diode coupled to a receiving terminal of the receiving apparatus; a second Zener diode coupled to a ground terminal of the receiving apparatus, and connected to the first Zener diode in series and in reverse polarities to each other; a first resistor connected in parallel to the first Zener diode; and a second resistor connected in parallel to the second Zener diode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.