Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M3/00—Automatic or semi-automatic exchanges
  • H04M3/42—Systems providing special services or facilities to subscribers
  • H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
• • 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
  • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
  • H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
  • H04M1/27467—Methods of retrieving data
  • H04M1/27475—Methods of retrieving data using interactive graphical means or pictorial representations

Landscapes

• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Telephonic Communication Services (AREA)
• Sub-Exchange Stations And Push- Button Telephones (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=24442257

Family Applications (1)

Country Status (2)

Families Citing this family (1)

• 1985
  • 1985-05-08 NL NL8501308A patent/NL8501308A/nl not_active Application Discontinuation
  • 1985-05-13 BE BE2/60685A patent/BE902406A/fr not_active IP Right Cessation

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