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
  • H04M1/27—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
  • H04M1/27495—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 implemented by means of discrete electronic components, i.e. neither programmable nor microprocessor-controlled

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Computer Hardware Design (AREA)
• Discrete Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Signal Processing (AREA)
• Exchange Systems With Centralized Control (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9981017

Family Applications (1)

Country Status (4)

Families Citing this family (2)

• 1972
  • 1972-04-17 ZA ZA722585A patent/ZA722585B/xx unknown
  • 1972-04-19 BE BE782336A patent/BE782336R/fr active
  • 1972-04-20 IT IT46861/72A patent/IT1013547B/it active
  • 1972-04-24 DE DE19722220020 patent/DE2220020A1/de active Pending

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