Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
  • H01H47/001—Functional circuits, e.g. logic, sequencing, interlocking circuits
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
  • H03K23/74—Pulse counters comprising counting chains; Frequency dividers comprising counting chains using relays
• • 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
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04Q—SELECTING
  • H04Q3/00—Selecting arrangements
  • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Relay Circuits (AREA)
• Interface Circuits In Exchanges (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19782123

Family Applications (1)

Country Status (3)

• 0
  • NL NL69202D patent/NL69202C/xx active
• 1949
  • 1949-03-31 DE DE1949809316D patent/DE809316C/de not_active Expired
  • 1949-04-25 CH CH275985D patent/CH275985A/de unknown

Also Published As

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