IS90B6 - Landline and submarine phones with high voice attenuation in connection with amplifiers - Google Patents

Landline and submarine phones with high voice attenuation in connection with amplifiers

Info

Publication number
IS90B6
IS90B6 IS112A IS112A IS90B6 IS 90 B6 IS90 B6 IS 90B6 IS 112 A IS112 A IS 112A IS 112 A IS112 A IS 112A IS 90 B6 IS90 B6 IS 90B6
Authority
IS
Iceland
Prior art keywords
landline
submarine
amplifiers
phones
connection
Prior art date
Application number
IS112A
Other languages
Icelandic (is)
Other versions
IS112A7 (en
Original Assignee
Siemens Schuckertwerke A.G.
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.)
Filing date
Publication date
Application filed by Siemens Schuckertwerke A.G. filed Critical Siemens Schuckertwerke A.G.
Priority to IS112A priority Critical patent/IS90B6/en
Publication of IS112A7 publication Critical patent/IS112A7/en
Publication of IS90B6 publication Critical patent/IS90B6/en

Links

IS112A 1930-09-05 1930-09-05 Landline and submarine phones with high voice attenuation in connection with amplifiers IS90B6 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IS112A IS90B6 (en) 1930-09-05 1930-09-05 Landline and submarine phones with high voice attenuation in connection with amplifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IS112A IS90B6 (en) 1930-09-05 1930-09-05 Landline and submarine phones with high voice attenuation in connection with amplifiers

Publications (2)

Publication Number Publication Date
IS112A7 IS112A7 (en) 1932-03-06
IS90B6 true IS90B6 (en) 1937-04-19

Family

ID=36715522

Family Applications (1)

Application Number Title Priority Date Filing Date
IS112A IS90B6 (en) 1930-09-05 1930-09-05 Landline and submarine phones with high voice attenuation in connection with amplifiers

Country Status (1)

Country Link
IS (1) IS90B6 (en)

Also Published As

Publication number Publication date
IS112A7 (en) 1932-03-06

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