GB528690A - Improvements in or relating to electrical signal storage equipment - Google Patents

Improvements in or relating to electrical signal storage equipment

Info

Publication number
GB528690A
GB528690A GB13106/39A GB1310639A GB528690A GB 528690 A GB528690 A GB 528690A GB 13106/39 A GB13106/39 A GB 13106/39A GB 1310639 A GB1310639 A GB 1310639A GB 528690 A GB528690 A GB 528690A
Authority
GB
United Kingdom
Prior art keywords
relay
condensers
registered
relays
release
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
GB13106/39A
Other languages
English (en)
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.)
GLYN DAVID HUMPHREYS GRIFFITH
STC PLC
Original Assignee
GLYN DAVID HUMPHREYS GRIFFITH
Standard Telephone and Cables PLC
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
Priority to BE476928D priority Critical patent/BE476928A/xx
Application filed by GLYN DAVID HUMPHREYS GRIFFITH, Standard Telephone and Cables PLC filed Critical GLYN DAVID HUMPHREYS GRIFFITH
Priority to GB13106/39A priority patent/GB528690A/en
Priority to US330158A priority patent/US2287613A/en
Publication of GB528690A publication Critical patent/GB528690A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/27Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/272Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Relay Circuits (AREA)
GB13106/39A 1939-05-02 1939-05-02 Improvements in or relating to electrical signal storage equipment Expired GB528690A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE476928D BE476928A (enrdf_load_stackoverflow) 1939-05-02
GB13106/39A GB528690A (en) 1939-05-02 1939-05-02 Improvements in or relating to electrical signal storage equipment
US330158A US2287613A (en) 1939-05-02 1940-04-17 Key pulsing sender for telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13106/39A GB528690A (en) 1939-05-02 1939-05-02 Improvements in or relating to electrical signal storage equipment

Publications (1)

Publication Number Publication Date
GB528690A true GB528690A (en) 1940-11-05

Family

ID=10016933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13106/39A Expired GB528690A (en) 1939-05-02 1939-05-02 Improvements in or relating to electrical signal storage equipment

Country Status (3)

Country Link
US (1) US2287613A (enrdf_load_stackoverflow)
BE (1) BE476928A (enrdf_load_stackoverflow)
GB (1) GB528690A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025358A (en) * 1958-04-08 1962-03-13 Jr Francis Benedict Hymel Automatic dialing system
US3159820A (en) * 1958-11-24 1964-12-01 Int Standard Electric Corp Information storage device

Also Published As

Publication number Publication date
US2287613A (en) 1942-06-23
BE476928A (enrdf_load_stackoverflow)

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