GB207219A - Automatic telephone system and switching apparatus therefor - Google Patents

Automatic telephone system and switching apparatus therefor

Info

Publication number
GB207219A
GB207219A GB19595/22A GB1959522A GB207219A GB 207219 A GB207219 A GB 207219A GB 19595/22 A GB19595/22 A GB 19595/22A GB 1959522 A GB1959522 A GB 1959522A GB 207219 A GB207219 A GB 207219A
Authority
GB
United Kingdom
Prior art keywords
telephone system
switching apparatus
apparatus therefor
automatic telephone
armatures
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
GB19595/22A
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
Publication of GB207219A publication Critical patent/GB207219A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Relay Circuits (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Prostheses (AREA)
  • Mechanisms For Operating Contacts (AREA)

Abstract

207,219. Baron, H., (Aldendorff, F.). July 17, 1922. Addition to 181,826, [Class 40 (iv), Telephones &c.]. Relays with magnets acting on two armatures. -A construction of relay having two armatures, one of which responds more quickly than the other, is identical with that described in Specification 207,484. Specification 207,483 also is referred to.
GB19595/22A 1921-10-19 1922-07-17 Automatic telephone system and switching apparatus therefor Expired GB207219A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1592323X 1921-10-19
US65304A US1629646A (en) 1921-10-19 1925-10-28 Automatic switch

Publications (1)

Publication Number Publication Date
GB207219A true GB207219A (en) 1923-11-19

Family

ID=26011308

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8606/21A Expired GB181826A (en) 1921-10-19 1921-03-19 Electromechanically controlled telephone system
GB19595/22A Expired GB207219A (en) 1921-10-19 1922-07-17 Automatic telephone system and switching apparatus therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8606/21A Expired GB181826A (en) 1921-10-19 1921-03-19 Electromechanically controlled telephone system

Country Status (3)

Country Link
US (2) US1592323A (en)
DE (1) DE486122C (en)
GB (2) GB181826A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL69440C (en) * 1947-01-07

Also Published As

Publication number Publication date
GB181826A (en) 1922-06-19
DE486122C (en) 1929-11-09
US1629646A (en) 1927-05-24
US1592323A (en) 1926-07-13

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