GB190920839A - Automatic Selective Switching Apparatus suitable for use in Telephone Exchanges. - Google Patents

Automatic Selective Switching Apparatus suitable for use in Telephone Exchanges.

Info

Publication number
GB190920839A
GB190920839A GB190920839DA GB190920839A GB 190920839 A GB190920839 A GB 190920839A GB 190920839D A GB190920839D A GB 190920839DA GB 190920839 A GB190920839 A GB 190920839A
Authority
GB
United Kingdom
Prior art keywords
switch
magnet
disk
circuit
iron
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
English (en)
Inventor
Frank R Mcberty
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.)
FRANK R MCBERTY
Original Assignee
FRANK R MCBERTY
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 FRANK R MCBERTY filed Critical FRANK R MCBERTY
Application granted granted Critical
Publication of GB190920839A publication Critical patent/GB190920839A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00Electrically-operated selector switches
    • H01H67/02Multi-position wiper switches
    • H01H67/04Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06Rotary switches, i.e. having angularly movable wipers

Landscapes

  • Mechanisms For Operating Contacts (AREA)
  • Relay Circuits (AREA)
  • Railway Tracks (AREA)
  • Telephone Set Structure (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Load-Engaging Elements For Cranes (AREA)
GB190920839D 1913-01-13 1909-09-11 Automatic Selective Switching Apparatus suitable for use in Telephone Exchanges. Expired GB190920839A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US235487XA 1913-01-13 1913-01-13

Publications (1)

Publication Number Publication Date
GB190920839A true GB190920839A (en) 1910-01-13

Family

ID=32823184

Family Applications (2)

Application Number Title Priority Date Filing Date
GB190920839D Expired GB190920839A (en) 1913-01-13 1909-09-11 Automatic Selective Switching Apparatus suitable for use in Telephone Exchanges.
GB190920840D Expired GB190920840A (en) 1913-01-13 1909-09-11 An Automatic Sequence Switching Device and its Control.

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB190920840D Expired GB190920840A (en) 1913-01-13 1909-09-11 An Automatic Sequence Switching Device and its Control.

Country Status (3)

Country Link
DE (6) DE256709C (enrdf_load_stackoverflow)
FR (1) FR467088A (enrdf_load_stackoverflow)
GB (2) GB190920839A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745132A (en) * 1953-09-25 1956-05-15 Philco Corp Door mounting and latching means
US2913758A (en) * 1955-04-21 1959-11-24 Jervis Corp Latch apparatus for right- and left-hand doors
US5382604A (en) * 1991-10-07 1995-01-17 Shell Oil Company Crosslinked epoxy functionalized polydiene block polymers and adhesives
US5686535A (en) * 1991-04-29 1997-11-11 Shell Oil Company Viscous conjugated diene block copolymers
DE4203933A1 (de) * 1992-02-11 1993-08-12 Koenig & Bauer Ag Verschwenkbarer farbmessertraeger fuer rotationsdruckmaschinen
US5536772A (en) * 1993-06-18 1996-07-16 Shell Oil Company Radiation cured conjugated diene block copolymer compositions
USH1517H (en) * 1993-07-12 1996-02-06 Shell Oil Company Radiation curable printing ink composition

Also Published As

Publication number Publication date
DE256709C (enrdf_load_stackoverflow) 1913-02-20
DE322998C (de) 1920-07-13
DE234166C (enrdf_load_stackoverflow) 1911-11-02
DE323301C (de) 1920-07-20
GB190920840A (en) 1910-06-30
FR467088A (fr) 1914-06-03
DE233734C (enrdf_load_stackoverflow) 1911-04-21
DE235487C (enrdf_load_stackoverflow) 1911-06-13

Similar Documents

Publication Publication Date Title
GB190920839A (en) Automatic Selective Switching Apparatus suitable for use in Telephone Exchanges.
CN109712830B (zh) 自动转换开关
US1575010A (en) Limit switch
GB489321A (en) Improvements in or relating to coding and decoding machines
US3698722A (en) Control circuit for multiple tape cartridge playing apparatus
US2831153A (en) Centrifugal switch mechanism
US3632114A (en) Track-selecting apparatus
US1239114A (en) Circuit-breaker.
US718212A (en) Electromechanical movement.
GB190800425A (en) Improvements in Telegraphone Apparatus.
US3089002A (en) Dial mechanism for automatic telephone dialing machines
GB1367533A (en) Tape player for endless-tape cartridges
GB363391A (en) Improvements in and relating to starting and stopping devices for sound recording and reproducing apparatus using two or more record carriers
US2458623A (en) Control means for gramophones
US2899519A (en) Kramer
GB532860A (en) Improvements in the tuning mechanism of radio receivers
US3210487A (en) Apparatus comprising a timing mechanism and an intermittent switching mechanism
US1262895A (en) Electromagnetic control-switch.
GB687333A (en) Improvements in or relating to receiving relays remote control
GB860257A (en) Improvements in positioning devices
US2719943A (en) Electrically operated driving device
US2843700A (en) Rotary electrical relay
US3041412A (en) Telephone dialing system
US3132212A (en) Automatic telephone dialing apparatus
US2961180A (en) Apparatus for recording and reproducing sound on elongated recording mediums