FR2271720B1 - - Google Patents

Info

Publication number
FR2271720B1
FR2271720B1 FR7515270A FR7515270A FR2271720B1 FR 2271720 B1 FR2271720 B1 FR 2271720B1 FR 7515270 A FR7515270 A FR 7515270A FR 7515270 A FR7515270 A FR 7515270A FR 2271720 B1 FR2271720 B1 FR 2271720B1
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
FR7515270A
Other versions
FR2271720A1 (fr
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.)
MAXMAN AG
Original Assignee
MAXMAN AG
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 MAXMAN AG filed Critical MAXMAN AG
Publication of FR2271720A1 publication Critical patent/FR2271720A1/fr
Application granted granted Critical
Publication of FR2271720B1 publication Critical patent/FR2271720B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details
    • H04Q1/30Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR7515270A 1974-05-16 1975-05-15 Expired FR2271720B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO741802A NO133006C (fr) 1974-05-16 1974-05-16

Publications (2)

Publication Number Publication Date
FR2271720A1 FR2271720A1 (fr) 1975-12-12
FR2271720B1 true FR2271720B1 (fr) 1980-05-30

Family

ID=19881616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7515270A Expired FR2271720B1 (fr) 1974-05-16 1975-05-15

Country Status (14)

Country Link
US (1) US3987249A (fr)
JP (1) JPS6019194B2 (fr)
AT (1) AT353853B (fr)
BE (1) BE829223A (fr)
CA (1) CA1039867A (fr)
CH (1) CH595034A5 (fr)
DE (1) DE2521287A1 (fr)
DK (1) DK156798C (fr)
FR (1) FR2271720B1 (fr)
GB (1) GB1487534A (fr)
IT (1) IT1038176B (fr)
NL (1) NL184499C (fr)
NO (1) NO133006C (fr)
SE (1) SE398033B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW299950U (en) * 1992-07-30 1997-03-01 Sharp Kk Communication means for an electrical device in a refrigerator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL299523A (fr) * 1962-10-20
DE1537817B1 (de) * 1967-08-22 1970-02-26 Siemens Ag Schaltungsanordnung zur Aufnahme und Verarbeitung von Schaltkennzeichen in Fernmelde-,insbesondere Fernsprechvermittlungsanlagen
SE363713B (fr) * 1971-03-23 1974-01-28 Ibm Svenska Ab

Also Published As

Publication number Publication date
NL184499C (nl) 1989-08-01
CA1039867A (fr) 1978-10-03
BE829223A (fr) 1975-09-15
DK156798B (da) 1989-10-02
ATA374575A (de) 1979-05-15
AT353853B (de) 1979-12-10
DE2521287A1 (de) 1975-11-27
NL7505757A (nl) 1975-11-18
DK156798C (da) 1990-02-19
JPS50157004A (fr) 1975-12-18
SE7505520L (sv) 1975-11-17
NO133006C (fr) 1976-02-18
FR2271720A1 (fr) 1975-12-12
SE398033B (sv) 1977-11-28
DK213075A (da) 1975-11-17
IT1038176B (it) 1979-11-20
US3987249A (en) 1976-10-19
CH595034A5 (fr) 1978-01-31
JPS6019194B2 (ja) 1985-05-15
NL184499B (nl) 1989-03-01
GB1487534A (en) 1977-10-05
NO133006B (fr) 1975-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse