Combined control device and display unit for telephone exchange
Latest Telefonaktiebolaget L M Ericsson Patents:
Description
FIG. 1 is a top front perspective view of a combined control device and display unit for a telephone exchange;
FIG. 2 is a front elevation thereof;
FIG. 3 is a rear perspective view thereof; and
FIG. 4 is a rear perspective view of the control device, shown separately for clarity of illustration.
Referenced Cited
Patent History
Patent number: D273109
Type: Grant
Filed: Jan 7, 1981
Date of Patent: Mar 20, 1984
Assignee: Telefonaktiebolaget L M Ericsson (Stockholm)
Inventor: Carl-Arne Breger (Stockholm)
Primary Examiner: Bernard Ansher
Law Firm: Hane, Roberts, Spiecens & Cohen
Application Number: 6/223,218
Type: Grant
Filed: Jan 7, 1981
Date of Patent: Mar 20, 1984
Assignee: Telefonaktiebolaget L M Ericsson (Stockholm)
Inventor: Carl-Arne Breger (Stockholm)
Primary Examiner: Bernard Ansher
Law Firm: Hane, Roberts, Spiecens & Cohen
Application Number: 6/223,218
Classifications
Current U.S. Class:
D14/58;
D14/52;
D14/100;
D14/113