FR2270738B1 - - Google Patents

Info

Publication number
FR2270738B1
FR2270738B1 FR747405051A FR7405051A FR2270738B1 FR 2270738 B1 FR2270738 B1 FR 2270738B1 FR 747405051 A FR747405051 A FR 747405051A FR 7405051 A FR7405051 A FR 7405051A FR 2270738 B1 FR2270738 B1 FR 2270738B1
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
FR747405051A
Other versions
FR2270738A1 (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.)
MERLIN JEAN CLAUDE
Original Assignee
MERLIN JEAN CLAUDE
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 MERLIN JEAN CLAUDE filed Critical MERLIN JEAN CLAUDE
Priority to FR747405051A priority Critical patent/FR2270738B1/fr
Priority to US05/548,580 priority patent/US3988549A/en
Priority to SE7501531A priority patent/SE398188B/xx
Priority to GB606675A priority patent/GB1456815A/en
Priority to DE19752506122 priority patent/DE2506122B2/de
Priority to JP50019392A priority patent/JPS50119507A/ja
Priority to NL7501754A priority patent/NL7501754A/xx
Publication of FR2270738A1 publication Critical patent/FR2270738A1/fr
Application granted granted Critical
Publication of FR2270738B1 publication Critical patent/FR2270738B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
FR747405051A 1974-02-14 1974-02-14 Expired FR2270738B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR747405051A FR2270738B1 (fr) 1974-02-14 1974-02-14
US05/548,580 US3988549A (en) 1974-02-14 1975-02-10 Keyboard type telephone station adapted to transmit dialling pulses and multifrequency signals
SE7501531A SE398188B (sv) 1974-02-14 1975-02-12 Anordning vid telefonapparater innefattande en anropspulsseriegenerator och en generator for multifrekventa anropssignaler
GB606675A GB1456815A (en) 1974-02-14 1975-02-12 Telephone set arrangement apparatus for cleaning a rotating brush particularly in a textile machine
DE19752506122 DE2506122B2 (de) 1974-02-14 1975-02-13 Zusatzeinrichtung fuer einen fernsprechapparat
JP50019392A JPS50119507A (fr) 1974-02-14 1975-02-14
NL7501754A NL7501754A (nl) 1974-02-14 1975-02-14 Telefoontoestel met bijzondere voorzieningen in verband met het uitzenden van data en be- sturingssignalen voor computergebruik.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR747405051A FR2270738B1 (fr) 1974-02-14 1974-02-14

Publications (2)

Publication Number Publication Date
FR2270738A1 FR2270738A1 (fr) 1975-12-05
FR2270738B1 true FR2270738B1 (fr) 1979-02-09

Family

ID=9134914

Family Applications (1)

Application Number Title Priority Date Filing Date
FR747405051A Expired FR2270738B1 (fr) 1974-02-14 1974-02-14

Country Status (7)

Country Link
US (1) US3988549A (fr)
JP (1) JPS50119507A (fr)
DE (1) DE2506122B2 (fr)
FR (1) FR2270738B1 (fr)
GB (1) GB1456815A (fr)
NL (1) NL7501754A (fr)
SE (1) SE398188B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4063037A (en) * 1976-06-14 1977-12-13 Rochester Telephone Corporation Telephone metering interface with reverse signal sensor
US4119810A (en) * 1976-09-13 1978-10-10 Phone Devices Corporation Pushbutton telephone apparatus with automatic dialing and combinational sequential control signalling capabilities
CH620559A5 (fr) * 1977-09-12 1980-11-28 Sodeco Compteurs De Geneve
FR2419624A1 (fr) * 1978-03-08 1979-10-05 Roche Bernard Poste telephonique a clavier a commutation automatique des codes de numerotation a impulsions et a multifrequence
AT379478B (de) * 1978-04-15 1986-01-10 Telefonbau & Normalzeit Gmbh Schaltungsanordnung fuer teilnehmerapparate in fernsprechnebenstellenanlagen mit tonfrequenter tastwahl
US4203006A (en) * 1978-04-20 1980-05-13 Prentice Corporation Direct access coupler
FR2471704B1 (fr) * 1979-12-13 1986-06-20 Thomson Csf Mat Tel Dispositif d'envoi de signalisation pour postes et terminaux telephoniques
IT1146176B (it) * 1980-02-07 1986-11-12 Italdata Spa Dispositivo interfacciale per la gestione automatica di una linea telefonica commutata
FR2566215B1 (fr) * 1984-06-19 1986-10-10 Semiconducteurs Ste Gle Dispositif d'adaptation de clavier a emission decimale ou multifrequence sur poste telephonique
GB2208057A (en) * 1987-07-27 1989-02-15 Barron Mccann Limited Telephone interface device
AU622744B2 (en) * 1989-02-02 1992-04-16 Alcatel Australia Limited Dialler chip mode signal
US5369697A (en) * 1993-04-30 1994-11-29 Boston Technology, Inc. Method and apparatus for automatically switching between pulse code and DTMF signals generated by a telephone

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301957A (en) * 1962-12-06 1967-01-31 Bell Telephone Labor Inc Unattended automatic dialing of telephone numbers
US3371162A (en) * 1964-09-02 1968-02-27 Scantlin Electronics Inc System for transmitting digital data via telephone lines utilizing a telephone as the input
US3541262A (en) * 1968-05-10 1970-11-17 Teltronics Inc Post pay telephone control unit
US3652795A (en) * 1970-11-25 1972-03-28 Electrospace Corp Telephone transaction system
US3778556A (en) * 1971-07-02 1973-12-11 Telecommunications Techn Inc Telephone signaling and testing apparatus with provisions for either pulse or multifrequency dialing
CA928877A (en) * 1971-09-01 1973-06-19 Nowicki Jan Post pay telephone paystation circuit
US3932709A (en) * 1973-04-16 1976-01-13 General Teletronics Incorporated Electronic business telephone
US3920926A (en) * 1973-12-07 1975-11-18 Northern Electric Co Telephone data set including visual display means

Also Published As

Publication number Publication date
GB1456815A (en) 1976-11-24
DE2506122A1 (de) 1975-08-21
SE7501531L (fr) 1975-08-15
JPS50119507A (fr) 1975-09-19
DE2506122B2 (de) 1976-06-24
SE398188B (sv) 1977-12-05
FR2270738A1 (fr) 1975-12-05
US3988549A (en) 1976-10-26
NL7501754A (nl) 1975-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse