FR2152486A1 - - Google Patents

Info

Publication number
FR2152486A1
FR2152486A1 FR7133615A FR7133615A FR2152486A1 FR 2152486 A1 FR2152486 A1 FR 2152486A1 FR 7133615 A FR7133615 A FR 7133615A FR 7133615 A FR7133615 A FR 7133615A FR 2152486 A1 FR2152486 A1 FR 2152486A1
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.)
Granted
Application number
FR7133615A
Other languages
French (fr)
Other versions
FR2152486B1 (en
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.)
Societe dAppareillage Electrique SAPAREL SA
Original Assignee
Societe dAppareillage Electrique SAPAREL 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
Priority to BE788631D priority Critical patent/BE788631A/en
Application filed by Societe dAppareillage Electrique SAPAREL SA filed Critical Societe dAppareillage Electrique SAPAREL SA
Priority to FR7133615A priority patent/FR2152486B1/fr
Priority to LU66054D priority patent/LU66054A1/xx
Priority to DE19722244894 priority patent/DE2244894A1/en
Priority to NL7212389A priority patent/NL7212389A/xx
Priority to BR637372A priority patent/BR7206373D0/en
Priority to IT2922172A priority patent/IT967481B/en
Priority to AR24411272A priority patent/AR193434A1/en
Priority to ES406763A priority patent/ES406763A1/en
Publication of FR2152486A1 publication Critical patent/FR2152486A1/fr
Application granted granted Critical
Publication of FR2152486B1 publication Critical patent/FR2152486B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • 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
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
FR7133615A 1971-09-17 1971-09-17 Expired FR2152486B1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BE788631D BE788631A (en) 1971-09-17 SOUND SIGNALING DEVICE USING A DIRECT CURRENT SOURCE
FR7133615A FR2152486B1 (en) 1971-09-17 1971-09-17
LU66054D LU66054A1 (en) 1971-09-17 1972-09-12
NL7212389A NL7212389A (en) 1971-09-17 1972-09-13
DE19722244894 DE2244894A1 (en) 1971-09-17 1972-09-13 DEVICE WITH DC POWER SUPPLY FOR ACOUSTIC SIGNALS
BR637372A BR7206373D0 (en) 1971-09-17 1972-09-14 SOUND SIGNALING DEVICE
IT2922172A IT967481B (en) 1971-09-17 1972-09-15 DEVICE FOR SIGNALING ARE RA USING A DIRECT CURRENT SOURCE
AR24411272A AR193434A1 (en) 1971-09-17 1972-09-15 A DEVICE FOR ACOUSTIC SIGNALING THAT USES A DIRECT CURRENT SOURCE
ES406763A ES406763A1 (en) 1971-09-17 1972-09-16 Improvements in devices for acoustic signaling through the use of a continuous current source. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7133615A FR2152486B1 (en) 1971-09-17 1971-09-17

Publications (2)

Publication Number Publication Date
FR2152486A1 true FR2152486A1 (en) 1973-04-27
FR2152486B1 FR2152486B1 (en) 1975-02-07

Family

ID=9083139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7133615A Expired FR2152486B1 (en) 1971-09-17 1971-09-17

Country Status (9)

Country Link
AR (1) AR193434A1 (en)
BE (1) BE788631A (en)
BR (1) BR7206373D0 (en)
DE (1) DE2244894A1 (en)
ES (1) ES406763A1 (en)
FR (1) FR2152486B1 (en)
IT (1) IT967481B (en)
LU (1) LU66054A1 (en)
NL (1) NL7212389A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466813A1 (en) * 1979-09-28 1981-04-10 Legrand Sa Audible and visible electronic alarm circuit - has detector sensitive to impedance change to operate isolated circuits via relay contacts
US4859653A (en) * 1981-04-02 1989-08-22 Morelle Jean V Use of compositions of matter containing N-acylates of alpha aminoacids for the treatment of skin

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466813A1 (en) * 1979-09-28 1981-04-10 Legrand Sa Audible and visible electronic alarm circuit - has detector sensitive to impedance change to operate isolated circuits via relay contacts
US4859653A (en) * 1981-04-02 1989-08-22 Morelle Jean V Use of compositions of matter containing N-acylates of alpha aminoacids for the treatment of skin

Also Published As

Publication number Publication date
BR7206373D0 (en) 1973-08-23
ES406763A1 (en) 1975-10-01
AR193434A1 (en) 1973-04-23
FR2152486B1 (en) 1975-02-07
BE788631A (en) 1973-03-12
NL7212389A (en) 1973-03-20
DE2244894A1 (en) 1973-03-22
LU66054A1 (en) 1973-03-12
IT967481B (en) 1974-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse