GB314041A - Improvements in or relating to telephone installations - Google Patents

Improvements in or relating to telephone installations

Info

Publication number
GB314041A
GB314041A GB35785/28A GB3578528A GB314041A GB 314041 A GB314041 A GB 314041A GB 35785/28 A GB35785/28 A GB 35785/28A GB 3578528 A GB3578528 A GB 3578528A GB 314041 A GB314041 A GB 314041A
Authority
GB
United Kingdom
Prior art keywords
over
relay
circuit
relays
register
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
GB35785/28A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB314041A publication Critical patent/GB314041A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB35785/28A 1928-06-23 1928-12-04 Improvements in or relating to telephone installations Expired GB314041A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE314042T 1928-06-23

Publications (1)

Publication Number Publication Date
GB314041A true GB314041A (en) 1930-04-04

Family

ID=31894671

Family Applications (2)

Application Number Title Priority Date Filing Date
GB35785/28A Expired GB314041A (en) 1928-06-23 1928-12-04 Improvements in or relating to telephone installations
GB36467/28A Expired GB314042A (fr) 1928-06-23 1928-12-10

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB36467/28A Expired GB314042A (fr) 1928-06-23 1928-12-10

Country Status (2)

Country Link
FR (2) FR660601A (fr)
GB (2) GB314041A (fr)

Also Published As

Publication number Publication date
GB314042A (fr) 1930-04-10
FR660601A (fr) 1929-07-13
FR660600A (fr) 1929-07-12

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