FR2084335A5 - - Google Patents

Info

Publication number
FR2084335A5
FR2084335A5 FR7107998A FR7107998A FR2084335A5 FR 2084335 A5 FR2084335 A5 FR 2084335A5 FR 7107998 A FR7107998 A FR 7107998A FR 7107998 A FR7107998 A FR 7107998A FR 2084335 A5 FR2084335 A5 FR 2084335A5
Authority
FR
France
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.)
Expired
Application number
FR7107998A
Inventor
D W Moses
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of FR2084335A5 publication Critical patent/FR2084335A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1676—Time-division multiplex with pulse-position, pulse-interval, or pulse-width modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
FR7107998A 1970-03-09 1971-03-08 Expired FR2084335A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1736770A 1970-03-09 1970-03-09

Publications (1)

Publication Number Publication Date
FR2084335A5 true FR2084335A5 (fr) 1971-12-17

Family

ID=21782183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7107998A Expired FR2084335A5 (fr) 1970-03-09 1971-03-08

Country Status (12)

Country Link
US (1) US3647976A (fr)
JP (2) JPS5037304A (fr)
AR (1) AR195858A1 (fr)
CA (1) CA961996A (fr)
CH (2) CH561490A5 (fr)
DE (1) DE2111706C3 (fr)
ES (2) ES388709A1 (fr)
FR (1) FR2084335A5 (fr)
GB (3) GB1357907A (fr)
NL (1) NL7102580A (fr)
SE (1) SE374000B (fr)
ZA (1) ZA711478B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175005A2 (fr) * 1972-03-06 1973-10-19 Minnesota Mining & Mfg

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898373A (en) * 1971-09-09 1975-08-05 Leo F Walsh Data communication system
US3846587A (en) * 1972-02-22 1974-11-05 Licentia Gmbh Data transmission system for a multiple branch network
US3836888A (en) * 1972-05-22 1974-09-17 C Boenke Variable message length data acquisition and retrieval system and method using two-way coaxial cable
US3997718A (en) * 1973-02-01 1976-12-14 The Magnavox Company Premium interactive communication system
US4002843A (en) * 1973-12-17 1977-01-11 Rackman Michael I Tamper-proof two-way cable system
US4648064A (en) * 1976-01-02 1987-03-03 Morley Richard E Parallel process controller
US4726013A (en) * 1985-01-28 1988-02-16 Iwatsu Electric Co., Ltd. Time division multiplex telecommunications system and method for a key telephone system or the like

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2336276A (en) * 1940-05-08 1943-12-07 Marius Johannes Cuinirus Meule Method of recording and reproducing stereophonic sound vibrations
US2471138A (en) * 1946-08-16 1949-05-24 Gen Electric Radio communication system
USRE25699E (en) * 1954-04-26 1964-12-15 Simplified two-channel multiplex system
CA587598A (fr) * 1955-02-25 1959-11-24 Westinghouse Electric Corporation Systeme de communication par micro-ondes
US3489853A (en) * 1965-07-16 1970-01-13 Ferranti Packard Ltd Data transmission by pulse width modulation with amplitude adjusted to eliminate dc drift
US3483329A (en) * 1966-02-11 1969-12-09 Ultronic Systems Corp Multiplex loop system
US3519750A (en) * 1967-08-15 1970-07-07 Ultronic Systems Corp Synchronous digital multiplex communication system including switchover
US3529089A (en) * 1968-08-28 1970-09-15 Bell Telephone Labor Inc Distributed subscriber carrier-concentrator system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2175005A2 (fr) * 1972-03-06 1973-10-19 Minnesota Mining & Mfg

Also Published As

Publication number Publication date
JPS5037304A (fr) 1975-04-08
US3647976A (en) 1972-03-07
GB1357905A (en) 1974-06-26
JPS53121417A (en) 1978-10-23
CH591189A5 (fr) 1977-09-15
ES388709A1 (es) 1974-02-16
CH561490A5 (fr) 1975-04-30
CA961996A (en) 1975-01-28
DE2111706C3 (de) 1980-01-31
ES395670A1 (es) 1973-11-16
DE2111706A1 (de) 1971-09-23
DE2111706B2 (de) 1979-05-10
NL7102580A (fr) 1971-09-13
GB1357906A (en) 1974-06-26
GB1357907A (en) 1974-06-26
AR195858A1 (es) 1973-11-15
ZA711478B (en) 1971-11-24
SE374000B (fr) 1975-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse