AT91000B - Facility for multiple telegraphy and telephony with high-frequency currents. - Google Patents

Facility for multiple telegraphy and telephony with high-frequency currents.

Info

Publication number: AT91000B
Authority: AT; Austria
Prior art keywords: telephony; facility; frequency currents; telegraphy; multiple telegraphy
Prior art date: 1919-09-30

Application number

Other languages

Original Assignee

Western Electric Co Ltd

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.)

1919-09-30

Filing date

1920-09-20

Publication date

1923-01-25

1920-09-20 Application filed by Western Electric Co Ltd filed Critical Western Electric Co Ltd

1923-01-25 Application granted granted Critical

1923-01-25 Publication of AT91000B publication Critical patent/AT91000B/en

Links

AT91000D 1919-09-30 1920-09-20 Facility for multiple telegraphy and telephony with high-frequency currents. AT91000B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US91000XA	1919-09-30	1919-09-30

Publications (1)

Publication Number	Publication Date
AT91000B true AT91000B (en)	1923-01-25

Family

ID=21735562

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT91000D AT91000B (en)	1919-09-30	1920-09-20	Facility for multiple telegraphy and telephony with high-frequency currents.

Country Status (1)

Country	Link
AT (1)	AT91000B (en)

1920
- 1920-09-20 AT AT91000D patent/AT91000B/en active

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