Indicator lamp
US5057982A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 16, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Oct 16, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An indicator lamp employing a light emitting diode (50) with a pair of leads, which includes a PCB socket (53) to be mounted on a printed circuit board; a removable socket (1) having an insert portion to be fitted into the PCB socket; a first lead terminal (4) provided in the removable socket and having a resistor contact and a first lead contact for contact with one of the leads; a second lead terminal (5) provided in the removable socket and having a first contact portion and a second lead contact for contact with the other lead; a contact terminal (6) provided within the removable socket and having a second contact portion and a second resistor contact; and a resistor (7) provided within the removable socket so that the resistor is held between the first and second resistor contacts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.