JPS5951646A - 拡声電話装置 - Google Patents

拡声電話装置

Info

Publication number
JPS5951646A
JPS5951646A JP16130782A JP16130782A JPS5951646A JP S5951646 A JPS5951646 A JP S5951646A JP 16130782 A JP16130782 A JP 16130782A JP 16130782 A JP16130782 A JP 16130782A JP S5951646 A JPS5951646 A JP S5951646A
Authority
JP
Japan
Prior art keywords
transmitting
loudspeaker telephone
telephone device
receiving
level signal
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP16130782A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6340061B2 (enrdf_load_stackoverflow
Inventor
Yozo Sudo
須藤　洋三
Hiroyuki Mori
宏之 森
Masaya Iguchi
井口　政也
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16130782A priority Critical patent/JPS5951646A/ja
Publication of JPS5951646A publication Critical patent/JPS5951646A/ja
Publication of JPS6340061B2 publication Critical patent/JPS6340061B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP16130782A 1982-09-16 1982-09-16 拡声電話装置 Granted JPS5951646A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16130782A JPS5951646A (ja) 1982-09-16 1982-09-16 拡声電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16130782A JPS5951646A (ja) 1982-09-16 1982-09-16 拡声電話装置

Publications (2)

Publication Number Publication Date
JPS5951646A true JPS5951646A (ja) 1984-03-26
JPS6340061B2 JPS6340061B2 (enrdf_load_stackoverflow) 1988-08-09

Family

ID=15732612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16130782A Granted JPS5951646A (ja) 1982-09-16 1982-09-16 拡声電話装置

Country Status (1)

Country Link
JP (1) JPS5951646A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0461963U (enrdf_load_stackoverflow) * 1990-10-06 1992-05-27

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57148452A (en) * 1981-03-11 1982-09-13 Yuniden Kk Control system for transmitting and receiving line of hand-free telephone set

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57148452A (en) * 1981-03-11 1982-09-13 Yuniden Kk Control system for transmitting and receiving line of hand-free telephone set

Also Published As

Publication number Publication date
JPS6340061B2 (enrdf_load_stackoverflow) 1988-08-09

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