Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set
• • 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
  • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
  • H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
  • H04M1/2725—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial using electronic memories

Landscapes

• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Telephonic Communication Services (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9107481

Family Applications (1)

Country Status (6)

• 1972
  • 1972-11-15 LU LU66476A patent/LU66476A1/xx unknown
  • 1972-11-16 FR FR7241379A patent/FR2206897A5/fr not_active Expired
  • 1972-11-17 NL NL7215616A patent/NL7215616A/xx unknown
  • 1972-11-20 BE BE791639A patent/BE791639A/xx unknown
  • 1972-11-22 AU AU49138/72A patent/AU4913872A/en not_active Expired
  • 1972-12-11 DE DE19722260460 patent/DE2260460A1/de active Pending

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