Patent · US Expired

Telephone station comprising an optical display device

US4839921A · kind A · utility

2Cited by

11References

5Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Erwin Awakowicz · Munich, DE
Kurt Schiller · Mering, DE
Erwin Grassl · Göttingen, DE

Key dates

Filing date	Mar 18, 1987
Grant date	Jun 13, 1989
Priority date	—
Expiry date	Mar 18, 2007

Classification

Technology area (CPC H)Electricity
CPC primaryH04M1/0295
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A telephone station including an optical display device fashioned as a display is provided. The display device is quickly and simply attachable by being pluggably connected to the telephone station by engagement of webs on the display device with springs in the telephone station.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.