PT72137B - Circuit for use specially on entry of a module on the earth's interface for voice digital interpolation being part of a transmission system via satellite tdma capable of re-establishing the channels of over charge - Google Patents

Circuit for use specially on entry of a module on the earth's interface for voice digital interpolation being part of a transmission system via satellite tdma capable of re-establishing the channels of over charge

Info

Publication number
PT72137B
PT72137B PT72137A PT7213780A PT72137B PT 72137 B PT72137 B PT 72137B PT 72137 A PT72137 A PT 72137A PT 7213780 A PT7213780 A PT 7213780A PT 72137 B PT72137 B PT 72137B
Authority
PT
Portugal
Prior art keywords
establishing
entry
earth
channels
interface
Prior art date
Application number
PT72137A
Other languages
English (en)
Portuguese (pt)
Other versions
PT72137A (en
Inventor
Giovanni Pennoni
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Publication of PT72137A publication Critical patent/PT72137A/pt
Publication of PT72137B publication Critical patent/PT72137B/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/17—Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/177—Freeze-out systems, e.g. taking away active sources from transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Relay Systems (AREA)
  • Circuits Of Receivers In General (AREA)
PT72137A 1979-12-03 1980-12-02 Circuit for use specially on entry of a module on the earth's interface for voice digital interpolation being part of a transmission system via satellite tdma capable of re-establishing the channels of over charge PT72137B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7927778A IT1209150B (it) 1979-12-03 1979-12-03 Satellite tdma, atta a ricostruire disposizione circuitale, di i canali di sovraccarico. particolare applicazione nella sezione ricevente di un modulo di interfaccia terrestre facente parte di un sistema di trasmissione via

Publications (2)

Publication Number Publication Date
PT72137A PT72137A (en) 1980-12-31
PT72137B true PT72137B (en) 1982-01-05

Family

ID=11222311

Family Applications (1)

Application Number Title Priority Date Filing Date
PT72137A PT72137B (en) 1979-12-03 1980-12-02 Circuit for use specially on entry of a module on the earth's interface for voice digital interpolation being part of a transmission system via satellite tdma capable of re-establishing the channels of over charge

Country Status (14)

Country Link
JP (1) JPS56100535A (fr)
AR (1) AR225327A1 (fr)
AU (1) AU6498780A (fr)
BE (1) BE886442A (fr)
BR (1) BR8007836A (fr)
DE (1) DE3045627A1 (fr)
ES (1) ES8201385A1 (fr)
FR (1) FR2485302A1 (fr)
GB (1) GB2065423A (fr)
GR (1) GR71006B (fr)
IT (1) IT1209150B (fr)
PT (1) PT72137B (fr)
SE (1) SE8008443L (fr)
TR (1) TR20926A (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH577253A5 (fr) * 1974-05-17 1976-06-30 Ibm
US4009344A (en) * 1974-12-30 1977-02-22 International Business Machines Corporation Inter-related switching, activity compression and demand assignment
US4009347A (en) * 1974-12-30 1977-02-22 International Business Machines Corporation Modular branch exchange and nodal access units for multiple access systems
US4009345A (en) * 1974-12-30 1977-02-22 International Business Machines Corporation External management of satellite linked exchange network
US4095052A (en) * 1977-08-02 1978-06-13 Bell Telephone Laboratories, Incorporated Digital speech interpolation trunk priority rotator

Also Published As

Publication number Publication date
TR20926A (tr) 1983-01-11
IT7927778A0 (it) 1979-12-03
GB2065423A (en) 1981-06-24
GR71006B (fr) 1983-03-31
SE8008443L (sv) 1981-06-04
DE3045627A1 (de) 1981-08-27
IT1209150B (it) 1989-07-10
AU6498780A (en) 1981-06-11
PT72137A (en) 1980-12-31
BR8007836A (pt) 1981-06-16
ES496602A0 (es) 1981-12-16
ES8201385A1 (es) 1981-12-16
FR2485302A1 (fr) 1981-12-24
JPS56100535A (en) 1981-08-12
AR225327A1 (es) 1982-03-15
BE886442A (fr) 1981-04-01

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