Classifications

• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11C—STATIC STORES
  • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
  • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
  • G11C11/26—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using discharge tubes
  • G11C11/28—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using discharge tubes using gas-filled tubes
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03K—PULSE TECHNIQUE
  • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
  • H03K23/82—Pulse counters comprising counting chains; Frequency dividers comprising counting chains using gas-filled tubes
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M3/00—Automatic or semi-automatic exchanges
  • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
  • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
• • 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)
• Signal Processing (AREA)
• Computer Networks & Wireless Communication (AREA)
• Computer Hardware Design (AREA)
• Electrotherapy Devices (AREA)
• Arrangements For Transmission Of Measured Signals (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19783545

Family Applications (2)

Family Applications After (1)

Country Status (7)

Families Citing this family (11)

Family Cites Families (1)

• 0
  • BE BE515155D patent/BE515155A/xx unknown
  • NL NL78910D patent/NL78910C/xx active
  • NL NL7001092.A patent/NL165037B/xx unknown
• 1952
  • 1952-10-01 US US312526A patent/US2719250A/en not_active Expired - Lifetime
  • 1952-10-26 DE DEN6272A patent/DE918452C/de not_active Expired
  • 1952-10-27 GB GB26932/52D patent/GB714667A/en not_active Expired
  • 1952-10-28 FR FR1076138D patent/FR1076138A/fr not_active Expired
  • 1952-10-28 CH CH307824D patent/CH307824A/de unknown

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