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)
• Telephone Set Structure (AREA)
• Sub-Exchange Stations And Push- Button Telephones (AREA)
• Mobile Radio Communication Systems (AREA)
• Data Exchanges In Wide-Area Networks (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5930950

Family Applications (1)

Country Status (7)

Families Citing this family (1)

• 1974
  • 1974-11-15 DE DE19742454269 patent/DE2454269A1/de active Pending
• 1975
  • 1975-05-26 AU AU81511/75A patent/AU8151175A/en not_active Expired
  • 1975-06-02 NL NL7506498A patent/NL7506498A/nl unknown
  • 1975-06-23 IT IT83398/75A patent/IT1036767B/it active
  • 1975-07-24 FR FR7524454A patent/FR2291658A1/fr not_active Withdrawn
  • 1975-08-01 BR BR7504949*A patent/BR7504949A/pt unknown
  • 1975-09-08 JP JP50109397A patent/JPS5159206A/ja active Pending

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