JPS53107207A - Simultaneous connection system - Google Patents

Simultaneous connection system

Info

Publication number
JPS53107207A
JPS53107207A JP2169077A JP2169077A JPS53107207A JP S53107207 A JPS53107207 A JP S53107207A JP 2169077 A JP2169077 A JP 2169077A JP 2169077 A JP2169077 A JP 2169077A JP S53107207 A JPS53107207 A JP S53107207A
Authority
JP
Japan
Prior art keywords
simultaneous connection
connection system
vary
causing
processing method
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
JP2169077A
Other languages
Japanese (ja)
Other versions
JPS6019178B2 (en
Inventor
Michimitsu Hattori
Shuichi Ashihara
Shiro Kikuchi
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
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
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, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP2169077A priority Critical patent/JPS6019178B2/en
Publication of JPS53107207A publication Critical patent/JPS53107207A/en
Publication of JPS6019178B2 publication Critical patent/JPS6019178B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Abstract

PURPOSE:To make the simultaneous connection of good speech quality possible with the increase of noises suppressed by causing the arithmetic processing method to vary with the number of calling channels.
JP2169077A 1977-03-01 1977-03-01 Simultaneous connection method Expired JPS6019178B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2169077A JPS6019178B2 (en) 1977-03-01 1977-03-01 Simultaneous connection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2169077A JPS6019178B2 (en) 1977-03-01 1977-03-01 Simultaneous connection method

Publications (2)

Publication Number Publication Date
JPS53107207A true JPS53107207A (en) 1978-09-19
JPS6019178B2 JPS6019178B2 (en) 1985-05-15

Family

ID=12062052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2169077A Expired JPS6019178B2 (en) 1977-03-01 1977-03-01 Simultaneous connection method

Country Status (1)

Country Link
JP (1) JPS6019178B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58171164A (en) * 1982-04-01 1983-10-07 Nec Corp Method for operating digital bdt
JPS59196642A (en) * 1983-04-23 1984-11-08 Nippon Telegr & Teleph Corp <Ntt> Privacy device of digital conference telephone set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58171164A (en) * 1982-04-01 1983-10-07 Nec Corp Method for operating digital bdt
JPS59196642A (en) * 1983-04-23 1984-11-08 Nippon Telegr & Teleph Corp <Ntt> Privacy device of digital conference telephone set
JPH0213989B2 (en) * 1983-04-23 1990-04-05 Nippon Telegraph & Telephone

Also Published As

Publication number Publication date
JPS6019178B2 (en) 1985-05-15

Similar Documents

Publication Publication Date Title
JPS53107207A (en) Simultaneous connection system
JPS5231604A (en) Toll call control system by call-back link
JPS53125854A (en) Optical transmission system and production therefor
JPS51121238A (en) An audio-signal amplifying system
JPS51146202A (en) Head-phone
JPS5379404A (en) Transmission device of individual selective calling signal
JPS5238484A (en) Method of ionplating
JPS52110847A (en) Processing method of raw noodle with preservetivity
JPS51114119A (en) Omnidirectional speaker
JPS5421216A (en) Tdm.fdm conversion system
JPS5386082A (en) Culturing of yeast by byyproduct solution
JPS5390886A (en) Wiring structure
JPS5237707A (en) Signal quality improving system of ssra communication
JPS5378121A (en) Pattern preprocessor
JPS51114921A (en) Acoustic converter
JPS5230145A (en) Sound play back unit
JPS53147407A (en) Conference telephone set
JPS5319703A (en) Simultaneous call and its unit
JPS51120499A (en) Processing apparatus with laser
JPS51145066A (en) Method of arrest of noises in press
JPS5210611A (en) Communication system
JPS5241503A (en) Acoustic equipment
JPS51128696A (en) The electrolytic bath with diaphragm for alkari chloride
JPS562359B2 (en)
JPS52155903A (en) Communicating path driving system