GB707504A - Improvements in or relating to electronic dialling circuits - Google Patents

Improvements in or relating to electronic dialling circuits

Info

Publication number
GB707504A
GB707504A GB12722/52A GB1272252A GB707504A GB 707504 A GB707504 A GB 707504A GB 12722/52 A GB12722/52 A GB 12722/52A GB 1272252 A GB1272252 A GB 1272252A GB 707504 A GB707504 A GB 707504A
Authority
GB
United Kingdom
Prior art keywords
point
tube
firing
pulse
tubes
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
GB12722/52A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB707504A publication Critical patent/GB707504A/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
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB12722/52A 1951-05-23 1952-05-20 Improvements in or relating to electronic dialling circuits Expired GB707504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL302754X 1951-05-23

Publications (1)

Publication Number Publication Date
GB707504A true GB707504A (en) 1954-04-21

Family

ID=19783370

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12722/52A Expired GB707504A (en) 1951-05-23 1952-05-20 Improvements in or relating to electronic dialling circuits

Country Status (7)

Country Link
US (1) US2693503A (fr)
BE (1) BE511611A (fr)
CH (1) CH302754A (fr)
DE (1) DE912824C (fr)
FR (1) FR1063848A (fr)
GB (1) GB707504A (fr)
NL (1) NL80837C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB967252A (en) * 1960-05-25 1964-08-19 Pye Ltd Automatic telephone systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB566445A (en) * 1943-08-13 1944-12-29 Siemens Brothers & Co Ltd Improvements relating to searching arrangements in telephone systems
NL73706C (fr) * 1947-01-03
US2562100A (en) * 1948-11-17 1951-07-24 Bell Telephone Labor Inc Coordinate selecting and lock-out circuit

Also Published As

Publication number Publication date
BE511611A (fr)
FR1063848A (fr) 1954-05-07
CH302754A (de) 1954-10-31
US2693503A (en) 1954-11-02
DE912824C (de) 1954-06-03
NL80837C (fr)

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