FR2269261B1 - - Google Patents

Info

Publication number
FR2269261B1
FR2269261B1 FR7414300A FR7414300A FR2269261B1 FR 2269261 B1 FR2269261 B1 FR 2269261B1 FR 7414300 A FR7414300 A FR 7414300A FR 7414300 A FR7414300 A FR 7414300A FR 2269261 B1 FR2269261 B1 FR 2269261B1
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
FR7414300A
Other languages
French (fr)
Other versions
FR2269261A1 (is
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR7414300A priority Critical patent/FR2269261B1/fr
Priority to BE1006560A priority patent/BE827409A/xx
Priority to CH407275A priority patent/CH592994A5/xx
Priority to SE7504573A priority patent/SE7504573L/
Priority to GB1633575A priority patent/GB1501706A/en
Priority to DE19752517807 priority patent/DE2517807A1/de
Priority to IT2262175A priority patent/IT1037582B/it
Priority to NL7504828A priority patent/NL7504828A/xx
Priority to IE90875A priority patent/IE41016B1/xx
Publication of FR2269261A1 publication Critical patent/FR2269261A1/fr
Application granted granted Critical
Publication of FR2269261B1 publication Critical patent/FR2269261B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR7414300A 1974-04-24 1974-04-24 Expired FR2269261B1 (is)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7414300A FR2269261B1 (is) 1974-04-24 1974-04-24
BE1006560A BE827409A (fr) 1974-04-24 1975-04-01 Recepteur de signaux multifrequences
CH407275A CH592994A5 (is) 1974-04-24 1975-04-07
GB1633575A GB1501706A (en) 1974-04-24 1975-04-21 Multi-frequency signal receivers
SE7504573A SE7504573L (sv) 1974-04-24 1975-04-21 Mottagare for multifrekventa signaler
DE19752517807 DE2517807A1 (de) 1974-04-24 1975-04-22 Mehrfrequenzsignalempfaenger
IT2262175A IT1037582B (it) 1974-04-24 1975-04-23 Ricevitore di segnali multifrequenze
NL7504828A NL7504828A (nl) 1974-04-24 1975-04-23 Ontvanger voor signalen met meerdere frekwenties.
IE90875A IE41016B1 (en) 1974-04-24 1975-04-23 Multe-frequency signal receivers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7414300A FR2269261B1 (is) 1974-04-24 1974-04-24

Publications (2)

Publication Number Publication Date
FR2269261A1 FR2269261A1 (is) 1975-11-21
FR2269261B1 true FR2269261B1 (is) 1976-12-17

Family

ID=9138073

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414300A Expired FR2269261B1 (is) 1974-04-24 1974-04-24

Country Status (9)

Country Link
BE (1) BE827409A (is)
CH (1) CH592994A5 (is)
DE (1) DE2517807A1 (is)
FR (1) FR2269261B1 (is)
GB (1) GB1501706A (is)
IE (1) IE41016B1 (is)
IT (1) IT1037582B (is)
NL (1) NL7504828A (is)
SE (1) SE7504573L (is)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370386A1 (fr) * 1976-11-05 1978-06-02 Constr Telephoniques Melangeur pour recepteur de signaux multifrequences
FR2485843B1 (fr) * 1980-06-25 1986-11-07 Cit Alcatel Recepteur numerique de frequences

Also Published As

Publication number Publication date
NL7504828A (nl) 1975-10-28
IE41016B1 (en) 1979-09-26
GB1501706A (en) 1978-02-22
DE2517807A1 (de) 1975-11-06
SE7504573L (sv) 1975-10-27
BE827409A (fr) 1975-10-01
FR2269261A1 (is) 1975-11-21
IT1037582B (it) 1979-11-20
IE41016L (en) 1975-10-24
CH592994A5 (is) 1977-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse