FR2350753A1 - Generateur de frequences - Google Patents

Generateur de frequences

Info

Publication number
FR2350753A1
FR2350753A1 FR7613123A FR7613123A FR2350753A1 FR 2350753 A1 FR2350753 A1 FR 2350753A1 FR 7613123 A FR7613123 A FR 7613123A FR 7613123 A FR7613123 A FR 7613123A FR 2350753 A1 FR2350753 A1 FR 2350753A1
Authority
FR
France
Prior art keywords
time base
frequency
frequencies
signalling
signal
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
FR7613123A
Other languages
English (en)
French (fr)
Other versions
FR2350753B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Xavier Chaveron
Pierre Boiteux
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR7613123A priority Critical patent/FR2350753A1/fr
Priority to ES458361A priority patent/ES458361A1/es
Publication of FR2350753A1 publication Critical patent/FR2350753A1/fr
Application granted granted Critical
Publication of FR2350753B1 publication Critical patent/FR2350753B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/023—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone by reversing the polarity of the current at the exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR7613123A 1976-05-03 1976-05-03 Generateur de frequences Granted FR2350753A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7613123A FR2350753A1 (fr) 1976-05-03 1976-05-03 Generateur de frequences
ES458361A ES458361A1 (es) 1976-05-03 1977-05-02 Un generador de multifrecuencia.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7613123A FR2350753A1 (fr) 1976-05-03 1976-05-03 Generateur de frequences

Publications (2)

Publication Number Publication Date
FR2350753A1 true FR2350753A1 (fr) 1977-12-02
FR2350753B1 FR2350753B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-04-02

Family

ID=9172602

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7613123A Granted FR2350753A1 (fr) 1976-05-03 1976-05-03 Generateur de frequences

Country Status (2)

Country Link
ES (1) ES458361A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2350753A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504754A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Mat Tel Dispositif sequenceur a memoires mortes

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NV2420/76 *
NV700/73 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504754A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Mat Tel Dispositif sequenceur a memoires mortes

Also Published As

Publication number Publication date
FR2350753B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-04-02
ES458361A1 (es) 1978-02-16

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Legal Events

Date Code Title Description
TP Transmission of property