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
  • H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
• • 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
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set

Landscapes

• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Adjustable Resistors (AREA)
• Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
• Brushes (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10372475

Family Applications (1)

Country Status (6)

Families Citing this family (9)

• 0
  • BE BE406783D patent/BE406783A/xx unknown
  • NL NL40685D patent/NL40685C/xx active
• 1933
  • 1933-12-12 GB GB34988/33A patent/GB431855A/en not_active Expired
• 1934
  • 1934-12-12 FR FR786535D patent/FR786535A/fr not_active Expired
  • 1934-12-12 US US757245A patent/US2134626A/en not_active Expired - Lifetime
  • 1934-12-13 DE DES116427D patent/DE665854C/de not_active Expired

Also Published As

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