Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
  • H03K5/156—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern
  • H03K5/1565—Arrangements in which a continuous pulse train is transformed into a train having a desired pattern the output pulses having a constant duty cycle
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
  • H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
• • 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
  • H04M1/30—Devices which can set up and transmit only one digit at a time
  • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
• • 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
  • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
  • H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Nonlinear Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Manipulation Of Pulses (AREA)
• Networks Using Active Elements (AREA)
• Pulse Circuits (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4107240

Family Applications (1)

Country Status (8)

Families Citing this family (6)

• 1976
  • 1976-11-10 CA CA265,382A patent/CA1048184A/en not_active Expired
• 1977
  • 1977-09-09 GB GB37752/77A patent/GB1592770A/en not_active Expired
  • 1977-09-16 NL NL7710179A patent/NL7710179A/xx unknown
  • 1977-09-16 DE DE19772741843 patent/DE2741843A1/de active Pending
  • 1977-10-03 IT IT28224/77A patent/IT1087728B/it active
  • 1977-10-12 JP JP12157577A patent/JPS5360550A/ja active Pending
  • 1977-11-09 FR FR7733797A patent/FR2371092A1/fr not_active Withdrawn
  • 1977-11-10 SE SE7712747A patent/SE7712747L/xx unknown

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