FR1420173A - Circuit de réception d'impulsions de postes téléphoniques - Google Patents

Circuit de réception d'impulsions de postes téléphoniques

Info

Publication number
FR1420173A
FR1420173A FR1313A FR1313A FR1420173A FR 1420173 A FR1420173 A FR 1420173A FR 1313 A FR1313 A FR 1313A FR 1313 A FR1313 A FR 1313A FR 1420173 A FR1420173 A FR 1420173A
Authority
FR
France
Prior art keywords
receiving circuit
telephone station
pulse receiving
station pulse
telephone
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.)
Expired
Application number
FR1313A
Other languages
English (en)
French (fr)
Inventor
Walter Hackenberg
Lorenz Gasser
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1420173A publication Critical patent/FR1420173A/fr
Expired 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)
FR1313A 1964-01-09 1965-01-08 Circuit de réception d'impulsions de postes téléphoniques Expired FR1420173A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST21534A DE1202343B (de) 1964-01-09 1964-01-09 Schaltungsanordnung fuer Wahlaufnahme-einrichtungen in Fernsprech-Registersystemen

Publications (1)

Publication Number Publication Date
FR1420173A true FR1420173A (fr) 1965-12-03

Family

ID=7459042

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1313A Expired FR1420173A (fr) 1964-01-09 1965-01-08 Circuit de réception d'impulsions de postes téléphoniques

Country Status (7)

Country Link
AT (1) AT263092B (enrdf_load_stackoverflow)
DE (1) DE1202343B (enrdf_load_stackoverflow)
FI (1) FI45194C (enrdf_load_stackoverflow)
FR (1) FR1420173A (enrdf_load_stackoverflow)
GB (1) GB1043072A (enrdf_load_stackoverflow)
NL (1) NL6500296A (enrdf_load_stackoverflow)
SE (1) SE331703B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FI45194C (fi) 1972-04-10
DE1202343B (de) 1965-10-07
NL6500296A (enrdf_load_stackoverflow) 1965-07-12
GB1043072A (en) 1966-09-21
AT263092B (de) 1968-07-10
FI45194B (enrdf_load_stackoverflow) 1971-12-31
SE331703B (enrdf_load_stackoverflow) 1971-01-11

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