FR2168473B1 - - Google Patents

Info

Publication number
FR2168473B1
FR2168473B1 FR7301691A FR7301691A FR2168473B1 FR 2168473 B1 FR2168473 B1 FR 2168473B1 FR 7301691 A FR7301691 A FR 7301691A FR 7301691 A FR7301691 A FR 7301691A FR 2168473 B1 FR2168473 B1 FR 2168473B1
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
FR7301691A
Other languages
French (fr)
Other versions
FR2168473A1 (xx
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of FR2168473A1 publication Critical patent/FR2168473A1/fr
Application granted granted Critical
Publication of FR2168473B1 publication Critical patent/FR2168473B1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electrotherapy Devices (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR7301691A 1972-01-21 1973-01-18 Expired FR2168473B1 (xx)

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 (2)

Publication Number Publication Date
FR2168473A1 FR2168473A1 (xx) 1973-08-31
FR2168473B1 true FR2168473B1 (xx) 1976-05-14

Family

ID=5833641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301691A Expired FR2168473B1 (xx) 1972-01-21 1973-01-18

Country Status (9)

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

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 (xx) * 1970-11-16 1972-06-30 Cit Alcatel

Also Published As

Publication number Publication date
IT978267B (it) 1974-09-20
GB1386212A (en) 1975-03-05
FR2168473A1 (xx) 1973-08-31
NL7300583A (xx) 1973-07-24
JPS4884509A (xx) 1973-11-09
ES410848A1 (es) 1975-12-16
DE2202850B1 (de) 1973-07-12
BE794179A (nl) 1973-07-18
DE2202850A1 (xx) 1973-07-12
CH553521A (de) 1974-08-30
DE2202850C2 (de) 1979-03-15

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Legal Events

Date Code Title Description
ST Notification of lapse