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SE7500308L - SPEAKER TELEPHONE - Google Patents

SPEAKER TELEPHONE

Info

Publication number
SE7500308L
SE7500308L SE7500308A SE7500308A SE7500308L SE 7500308 L SE7500308 L SE 7500308L SE 7500308 A SE7500308 A SE 7500308A SE 7500308 A SE7500308 A SE 7500308A SE 7500308 L SE7500308 L SE 7500308L
Authority
SE
Sweden
Prior art keywords
speaker telephone
speaker
telephone
Prior art date
Application number
SE7500308A
Other languages
Swedish (sv)
Other versions
SE388096B (en
Inventor
Beniamin Trok
Urban Cogne
Original Assignee
Beniamin Trok
Urban Cogne
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 Beniamin Trok, Urban Cogne filed Critical Beniamin Trok
Priority to SE7500308A priority Critical patent/SE388096B/en
Publication of SE7500308L publication Critical patent/SE7500308L/en
Publication of SE388096B publication Critical patent/SE388096B/en

Links

Classifications

    • 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
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
SE7500308A 1975-01-13 1975-01-13 SPEAKER TELEPHONE. APPENDIX T. 7313293-8 SE388096B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE7500308A SE388096B (en) 1975-01-13 1975-01-13 SPEAKER TELEPHONE. APPENDIX T. 7313293-8

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7500308A SE388096B (en) 1975-01-13 1975-01-13 SPEAKER TELEPHONE. APPENDIX T. 7313293-8

Publications (2)

Publication Number Publication Date
SE7500308L true SE7500308L (en) 1976-07-14
SE388096B SE388096B (en) 1976-09-20

Family

ID=20323391

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7500308A SE388096B (en) 1975-01-13 1975-01-13 SPEAKER TELEPHONE. APPENDIX T. 7313293-8

Country Status (1)

Country Link
SE (1) SE388096B (en)

Also Published As

Publication number Publication date
SE388096B (en) 1976-09-20

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