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US1992389A - Selector arrangement for the selective call of telephone subscriber stations for the private and official exchange - Google Patents

Selector arrangement for the selective call of telephone subscriber stations for the private and official exchange Download PDF

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Publication number
US1992389A
US1992389A US718056A US71805634A US1992389A US 1992389 A US1992389 A US 1992389A US 718056 A US718056 A US 718056A US 71805634 A US71805634 A US 71805634A US 1992389 A US1992389 A US 1992389A
Authority
US
United States
Prior art keywords
exchange
selector
private
telephone
call
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 - Lifetime
Application number
US718056A
Other languages
English (en)
Inventor
Moser Otto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US1992389A publication Critical patent/US1992389A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04M1/52—Arrangements wherein a dial or the like is mechanically coupled to a line selector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line

Definitions

  • the present invention relates to a selector artion is equipped with a small rotary selector W 'rangement for a direct call telephone system. Similar to those used in connection with auto- .In direct call telephone systems push button matic telephone systems. line finder devices have been employed for many The selector is operated by the finger disc N.
  • the coupling K between the finger disc and vscribers instrument fiveswitchesandten switches the selector is arranged to be cut out, when an if there are ten stations and so on.
  • the system exchange key A is operated.
  • the number of push buttons has, finder system by means of the two pins b1 and b2 however, remained the same and, in spite of all of the coupling wheel. Ba.
  • a button HU presses through it is still necessary to construct apparatus varythe intermediary of a lever A upon a pawl C ing in size and arrangement according to the secured to the coupling wheel Ba, so that this number of connections of the line finder system.
  • pawl when the finger disc turns the wheel Ba
  • the present invention provides a system in coupled therewith, will pass a pin D provided on which the push button switches for permitting an inner coupling wheel B1.
  • the exchange key will be are three exchange'keys each of which is connected to the external exchange.
  • key P is again pressed down into position Z.
  • the key P will return to its original position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
US718056A 1933-03-29 1934-03-29 Selector arrangement for the selective call of telephone subscriber stations for the private and official exchange Expired - Lifetime US1992389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH424534X 1933-03-29

Publications (1)

Publication Number Publication Date
US1992389A true US1992389A (en) 1935-02-26

Family

ID=4514787

Family Applications (1)

Application Number Title Priority Date Filing Date
US718056A Expired - Lifetime US1992389A (en) 1933-03-29 1934-03-29 Selector arrangement for the selective call of telephone subscriber stations for the private and official exchange

Country Status (6)

Country Link
US (1) US1992389A (fr)
CH (1) CH171887A (fr)
DE (1) DE621714C (fr)
FR (1) FR775560A (fr)
GB (1) GB424534A (fr)
NL (1) NL39596C (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542079A (en) * 1945-12-14 1951-02-20 Grundin Ivan Vitalis Counting-relay selector and switching system
US2617886A (en) * 1948-12-30 1952-11-11 Automatic Elect Lab Multivoltage train telephone system
US2622154A (en) * 1945-01-17 1952-12-16 Deschamps Pierre Telephone substation set with multistation connecting switch
US2794861A (en) * 1954-01-19 1957-06-04 Allg Telefon Fabrik G M B H Combination telephone switch and dial
US3345466A (en) * 1963-05-29 1967-10-03 Int Standard Electric Corp Intercommunication system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530943A (en) * 1947-07-03 1950-11-21 Bell Telephone Labor Inc Intercommunicating telephone system
DE973103C (de) * 1954-05-29 1959-12-03 Richard Bosse & Co Fernsprecheinrichtung mit Waehlscheibe und Linienwaehler

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622154A (en) * 1945-01-17 1952-12-16 Deschamps Pierre Telephone substation set with multistation connecting switch
US2542079A (en) * 1945-12-14 1951-02-20 Grundin Ivan Vitalis Counting-relay selector and switching system
US2617886A (en) * 1948-12-30 1952-11-11 Automatic Elect Lab Multivoltage train telephone system
US2794861A (en) * 1954-01-19 1957-06-04 Allg Telefon Fabrik G M B H Combination telephone switch and dial
US3345466A (en) * 1963-05-29 1967-10-03 Int Standard Electric Corp Intercommunication system

Also Published As

Publication number Publication date
CH171887A (de) 1934-09-15
NL39596C (fr)
FR775560A (fr) 1935-01-04
DE621714C (de) 1935-11-13
GB424534A (en) 1935-02-22

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AT393340B (de) Schaltungsanordnung zur uebertragung von waehlinformationen zwischen teilnehmerendgeraeten und einer zentralen einheit in fernsprechanlagen, insbesondere nebenstellenanlagen