SE388096B - SPEAKER TELEPHONE. APPENDIX T. 7313293-8 - Google Patents

SPEAKER TELEPHONE. APPENDIX T. 7313293-8

Info

Publication number
SE388096B
SE388096B SE7500308A SE7500308A SE388096B SE 388096 B SE388096 B SE 388096B SE 7500308 A SE7500308 A SE 7500308A SE 7500308 A SE7500308 A SE 7500308A SE 388096 B SE388096 B SE 388096B
Authority
SE
Sweden
Prior art keywords
appendix
speaker telephone
speaker
telephone
Prior art date
Application number
SE7500308A
Other languages
Swedish (sv)
Other versions
SE7500308L (en
Inventor
B Trok
U Cogne
Original Assignee
B Trok
U 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 B Trok, U Cogne filed Critical B 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 SE7500308L (en) 1976-07-14
SE388096B true 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
SE7500308L (en) 1976-07-14

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