NO125708B - - Google Patents

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Info

Publication number
NO125708B
NO125708B NO4358/71A NO435871A NO125708B NO 125708 B NO125708 B NO 125708B NO 4358/71 A NO4358/71 A NO 4358/71A NO 435871 A NO435871 A NO 435871A NO 125708 B NO125708 B NO 125708B
Authority
NO
Norway
Prior art keywords
damper device
control
damping
transistors
resistance
Prior art date
Application number
NO4358/71A
Other languages
English (en)
Norwegian (no)
Inventor
O Lindgren
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO125708B publication Critical patent/NO125708B/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/20—Arrangements for preventing acoustic feed-back
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (AREA)
NO4358/71A 1970-11-27 1971-11-26 NO125708B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16092/70A SE337846B (de) 1970-11-27 1970-11-27

Publications (1)

Publication Number Publication Date
NO125708B true NO125708B (de) 1972-10-16

Family

ID=20301714

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4358/71A NO125708B (de) 1970-11-27 1971-11-26

Country Status (5)

Country Link
ES (1) ES396938A1 (de)
FI (1) FI54424C (de)
IT (1) IT941792B (de)
NO (1) NO125708B (de)
SE (1) SE337846B (de)

Also Published As

Publication number Publication date
SE337846B (de) 1971-08-23
IT941792B (it) 1973-03-10
FI54424B (fi) 1978-07-31
ES396938A1 (es) 1975-03-01
FI54424C (fi) 1978-11-10

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