Telephone test set LCD panel carrier
US5841857A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1996 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Nov 20, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0295
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A unitary mounting carrier structure supports a display panel and acoustic transducer components within a housing sub-portion of a telephone test set containing a keypad, an earpiece receiver port, a display panel face, and an auxiliary speaker port at an end portion of the test set. The unitary carrier structure is generally wedge-configured and has a generally flat, liquid crystal display panel unit-mounting section upon which a shock-absorbing gasket assembly containing a display panel unit is mounted. An earpiece receiver-mounting section is contiguous with a wider end of the carrier, and is contiguous with the generally flat, display panel unit-mounting section. An auxiliary speaker-mounting section is supported by the carrier adjacent and transverse to the earpiece receiver-mounting section. A desiccant-retaining section is supported adjacent to the display panel unit-mounting section, and serves to reduce the dew point within the test set to a value in a range on the order of 0.degree.-65.degree. F., thereby preventing the display panel unit from `fogging-up`, as may otherwise occur when the test set is taken from an air-conditioned vehicle to a warm and humid outdoor enviro…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.