DK100577C - Telephone exchange system with cathode ray tubes. - Google Patents

Telephone exchange system with cathode ray tubes.

Info

Publication number: DK100577C
Authority: DK; Denmark
Prior art keywords: cathode ray; exchange system; telephone exchange; ray tubes; tubes
Prior art date: 1956-11-19

Application number

DK388257A

Other languages

Danish (da)

Original Assignee

Western Electric Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1956-11-19

Filing date

1957-11-18

Publication date

1964-12-14

1957-11-18 Application filed by Western Electric Co filed Critical Western Electric Co

1964-12-14 Application granted granted Critical

1964-12-14 Publication of DK100577C publication Critical patent/DK100577C/en

Links

DK388257A 1956-11-19 1957-11-18 Telephone exchange system with cathode ray tubes. DK100577C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US100577XA	1956-11-19	1956-11-19

Publications (1)

Publication Number	Publication Date
DK100577C true DK100577C (en)	1964-12-14

Family

ID=21743596

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK388257A DK100577C (en)	1956-11-19	1957-11-18	Telephone exchange system with cathode ray tubes.

Country Status (1)

Country	Link
DK (1)	DK100577C (en)

1957
- 1957-11-18 DK DK388257A patent/DK100577C/en active

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