DK119781B - Forstærker til tovejs-samtaleforbindelse. - Google Patents

Forstærker til tovejs-samtaleforbindelse.

Info

Publication number
DK119781B
DK119781B DK336663AA DK336663A DK119781B DK 119781 B DK119781 B DK 119781B DK 336663A A DK336663A A DK 336663AA DK 336663 A DK336663 A DK 336663A DK 119781 B DK119781 B DK 119781B
Authority
DK
Denmark
Prior art keywords
amplifier
call connection
way call
way
connection
Prior art date
Application number
DK336663AA
Other languages
English (en)
Inventor
K Skoog
Original Assignee
Gylling & Co Ab
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 Gylling & Co Ab filed Critical Gylling & Co Ab
Publication of DK119781B publication Critical patent/DK119781B/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
DK336663AA 1962-07-24 1963-07-15 Forstærker til tovejs-samtaleforbindelse. DK119781B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8169/62A SE301502B (da) 1962-07-24 1962-07-24

Publications (1)

Publication Number Publication Date
DK119781B true DK119781B (da) 1971-02-22

Family

ID=20273334

Family Applications (1)

Application Number Title Priority Date Filing Date
DK336663AA DK119781B (da) 1962-07-24 1963-07-15 Forstærker til tovejs-samtaleforbindelse.

Country Status (5)

Country Link
US (1) US3392243A (da)
DE (1) DE1228310B (da)
DK (1) DK119781B (da)
GB (1) GB1044979A (da)
SE (1) SE301502B (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE311031B (da) * 1965-12-16 1969-05-27 Ericsson Telefon Ab L M
US3689711A (en) * 1971-01-27 1972-09-05 Bell Telephone Labor Inc Call diverter repeater
JPS5224898B2 (da) * 1972-03-16 1977-07-04
FR2518854B1 (fr) * 1981-12-18 1986-08-08 Thomson Csf Mat Tel Poste telephonique a amplificateurs de parole
US7983429B2 (en) * 2005-06-15 2011-07-19 Keys Jeramie J Speaker system utilizing input from a transducer in proximity to a separate speaker
CN115987236B (zh) * 2023-03-20 2023-06-16 上海海栎创科技股份有限公司 一种音频信号处理系统及音频动态范围控制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468553A (en) * 1945-03-17 1949-04-26 Automatic Elect Lab Voice operated control circuit
DE1077715B (de) * 1953-09-01 1960-03-17 Siemens Ag Mehrstufiger Transistorverstaerker mit Gegentaktendstufe
GB839975A (en) * 1955-07-28 1960-06-29 Telephone Mfg Co Ltd Improvements in and relating to signal switched telecommunication circuits
NL225471A (da) * 1957-11-26 1900-01-01
DE1086753B (de) * 1958-04-28 1960-08-11 Ericsson Telefon Ab L M Sprachgesteuerte Wechselsprechanlage
DE1129543B (de) * 1958-06-25 1962-05-17 Gylling & Co Ab Schaltungsanordnung fuer sprachgesteuerte Wechselsprechanlagen
US3146313A (en) * 1961-06-08 1964-08-25 Ericsson Telefon Ab L M Amplifier arrangement for loudspeaking telephones

Also Published As

Publication number Publication date
DE1228310B (de) 1966-11-10
GB1044979A (en) 1966-10-05
US3392243A (en) 1968-07-09
SE301502B (da) 1968-06-10

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