FR759462A - Telephone device for automatic exchange network - Google Patents

Telephone device for automatic exchange network

Info

Publication number
FR759462A
FR759462A FR759462DA FR759462A FR 759462 A FR759462 A FR 759462A FR 759462D A FR759462D A FR 759462DA FR 759462 A FR759462 A FR 759462A
Authority
FR
France
Prior art keywords
telephone device
exchange network
automatic exchange
automatic
network
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Joseph Leon A Vanheerswynghels
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 filed Critical
Application granted granted Critical
Publication of FR759462A publication Critical patent/FR759462A/en
Expired legal-status Critical Current

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
    • H04M1/27—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
    • H04M1/278—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 using punched cards or tapes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Telephone Set Structure (AREA)
FR759462D 1932-05-12 1933-05-09 Telephone device for automatic exchange network Expired FR759462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2072572X 1932-05-12

Publications (1)

Publication Number Publication Date
FR759462A true FR759462A (en) 1934-02-03

Family

ID=3895558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR759462D Expired FR759462A (en) 1932-05-12 1933-05-09 Telephone device for automatic exchange network

Country Status (3)

Country Link
US (1) US2072572A (en)
DE (1) DE619515C (en)
FR (1) FR759462A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523303A (en) * 1946-01-31 1950-09-26 Jampoler Device for transmitting coded electrical impulses
US2561298A (en) * 1948-01-30 1951-07-17 Vanheerswynghels Joseph Impulse transmitter for automatic telephone systems
US2499606A (en) * 1948-07-16 1950-03-07 Bell Telephone Labor Inc Preset type telephone dialer with pulse generating transformers

Also Published As

Publication number Publication date
DE619515C (en) 1935-10-02
US2072572A (en) 1937-03-02

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