CH488353A - Number switches for telecommunications equipment, in particular telephone equipment - Google Patents

Number switches for telecommunications equipment, in particular telephone equipment

Info

Publication number
CH488353A
CH488353A CH378869A CH378869A CH488353A CH 488353 A CH488353 A CH 488353A CH 378869 A CH378869 A CH 378869A CH 378869 A CH378869 A CH 378869A CH 488353 A CH488353 A CH 488353A
Authority
CH
Switzerland
Prior art keywords
equipment
particular telephone
number switches
telecommunications
telecommunications equipment
Prior art date
Application number
CH378869A
Other languages
German (de)
Inventor
Bellmann Alfred
Original Assignee
Int Standard Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of CH488353A publication Critical patent/CH488353A/en

Links

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
    • H04M1/30—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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electromechanical Clocks (AREA)
CH378869A 1968-03-14 1969-03-13 Number switches for telecommunications equipment, in particular telephone equipment CH488353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST022403 1968-03-14

Publications (1)

Publication Number Publication Date
CH488353A true CH488353A (en) 1970-03-31

Family

ID=7459358

Family Applications (1)

Application Number Title Priority Date Filing Date
CH378869A CH488353A (en) 1968-03-14 1969-03-13 Number switches for telecommunications equipment, in particular telephone equipment

Country Status (3)

Country Link
CH (1) CH488353A (en)
GB (1) GB1256435A (en)
NL (1) NL6903856A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT972697B (en) * 1972-12-21 1974-05-31 Face Standard Spa COMBINER DISK COMPLEX FOR USER TELEPHONE SETS MADE OF THERMAL PLASTIC MATERIAL
GB2048015A (en) * 1979-01-08 1980-12-03 Plessey Co Ltd Dial units for telephone sets

Also Published As

Publication number Publication date
GB1256435A (en) 1971-12-08
NL6903856A (en) 1969-09-16

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