DE2202850A1 - - Google Patents

Info

Publication number
DE2202850A1
DE2202850A1 DE19722202850 DE2202850A DE2202850A1 DE 2202850 A1 DE2202850 A1 DE 2202850A1 DE 19722202850 DE19722202850 DE 19722202850 DE 2202850 A DE2202850 A DE 2202850A DE 2202850 A1 DE2202850 A1 DE 2202850A1
Authority
DE
Germany
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
DE19722202850
Other versions
DE2202850B1 (de
DE2202850C2 (de
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 BE794179D priority Critical patent/BE794179A/xx
Application filed filed Critical
Priority to DE19722202850 priority patent/DE2202850C2/de
Priority to GB55873A priority patent/GB1386212A/en
Priority to NL7300583A priority patent/NL7300583A/xx
Priority to FR7301691A priority patent/FR2168473B1/fr
Priority to IT1935373A priority patent/IT978267B/it
Priority to CH74773A priority patent/CH553521A/de
Priority to ES410848A priority patent/ES410848A1/es
Priority to JP940373A priority patent/JPS4884509A/ja
Publication of DE2202850B1 publication Critical patent/DE2202850B1/de
Publication of DE2202850A1 publication Critical patent/DE2202850A1/de
Application granted granted Critical
Publication of DE2202850C2 publication Critical patent/DE2202850C2/de
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Electrotherapy Devices (AREA)
DE19722202850 1972-01-21 1972-01-21 Integrierte Schaltungsanordnung für die Tastenwahl von Rufnummern Expired DE2202850C2 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BE794179D BE794179A (nl) 1972-01-21 Geintegreerde schakeling voor het kiezen van abonneenummers met druktoetsen
DE19722202850 DE2202850C2 (de) 1972-01-21 1972-01-21 Integrierte Schaltungsanordnung für die Tastenwahl von Rufnummern
GB55873A GB1386212A (en) 1972-01-21 1973-01-04 Integrated circuit for push button pulse dialing
NL7300583A NL7300583A (de) 1972-01-21 1973-01-15
FR7301691A FR2168473B1 (de) 1972-01-21 1973-01-18
IT1935373A IT978267B (it) 1972-01-21 1973-01-19 Circuito integrato per l invio di impulsi con pulsanti
CH74773A CH553521A (de) 1972-01-21 1973-01-19 Monolithisch integrierte schaltungsanordnung fuer die tastenwahl von rufnummern.
ES410848A ES410848A1 (es) 1972-01-21 1973-01-20 Una disposicion de circuito integrado para el marcado de impulsos por boton pulsador.
JP940373A JPS4884509A (de) 1972-01-21 1973-01-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722202850 DE2202850C2 (de) 1972-01-21 1972-01-21 Integrierte Schaltungsanordnung für die Tastenwahl von Rufnummern

Publications (3)

Publication Number Publication Date
DE2202850B1 DE2202850B1 (de) 1973-07-12
DE2202850A1 true DE2202850A1 (de) 1973-07-12
DE2202850C2 DE2202850C2 (de) 1979-03-15

Family

ID=5833641

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722202850 Expired DE2202850C2 (de) 1972-01-21 1972-01-21 Integrierte Schaltungsanordnung für die Tastenwahl von Rufnummern

Country Status (9)

Country Link
JP (1) JPS4884509A (de)
BE (1) BE794179A (de)
CH (1) CH553521A (de)
DE (1) DE2202850C2 (de)
ES (1) ES410848A1 (de)
FR (1) FR2168473B1 (de)
GB (1) GB1386212A (de)
IT (1) IT978267B (de)
NL (1) NL7300583A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1394148A (en) * 1972-09-11 1975-05-14 Int Standard Electric Corp Push-button telphone subset
FR2319256A1 (fr) * 1975-07-23 1977-02-18 Bailleul Roland Circuits electroniques et electromagnetiques permettant l'adaptation d'un clavier numerique a un poste telephonique a cadran d'appel par quatre fils

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2114075A5 (de) * 1970-11-16 1972-06-30 Cit Alcatel

Also Published As

Publication number Publication date
FR2168473B1 (de) 1976-05-14
IT978267B (it) 1974-09-20
DE2202850B1 (de) 1973-07-12
JPS4884509A (de) 1973-11-09
CH553521A (de) 1974-08-30
FR2168473A1 (de) 1973-08-31
DE2202850C2 (de) 1979-03-15
GB1386212A (en) 1975-03-05
BE794179A (nl) 1973-07-18
ES410848A1 (es) 1975-12-16
NL7300583A (de) 1973-07-24

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee