GB394105A - Improvements in or relating to automatic or semi-automatic telephone systems - Google Patents

Improvements in or relating to automatic or semi-automatic telephone systems

Info

Publication number
GB394105A
GB394105A GB1058532A GB1058532A GB394105A GB 394105 A GB394105 A GB 394105A GB 1058532 A GB1058532 A GB 1058532A GB 1058532 A GB1058532 A GB 1058532A GB 394105 A GB394105 A GB 394105A
Authority
GB
United Kingdom
Prior art keywords
relay
lead
magnet
series
over
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
GB1058532A
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.)
CHARLES WILFRID WILMAN
Ericsson Telephones Ltd
Original Assignee
CHARLES WILFRID WILMAN
Ericsson Telephones 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
Priority to FR754334D priority Critical patent/FR754334A/fr
Application filed by CHARLES WILFRID WILMAN, Ericsson Telephones Ltd filed Critical CHARLES WILFRID WILMAN
Priority to GB1058532A priority patent/GB394105A/en
Publication of GB394105A publication Critical patent/GB394105A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Keying Circuit Devices (AREA)
GB1058532A 1932-04-13 1932-04-13 Improvements in or relating to automatic or semi-automatic telephone systems Expired GB394105A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR754334D FR754334A (enrdf_load_stackoverflow) 1932-04-13
GB1058532A GB394105A (en) 1932-04-13 1932-04-13 Improvements in or relating to automatic or semi-automatic telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1058532A GB394105A (en) 1932-04-13 1932-04-13 Improvements in or relating to automatic or semi-automatic telephone systems

Publications (1)

Publication Number Publication Date
GB394105A true GB394105A (en) 1933-06-22

Family

ID=9970538

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1058532A Expired GB394105A (en) 1932-04-13 1932-04-13 Improvements in or relating to automatic or semi-automatic telephone systems

Country Status (2)

Country Link
FR (1) FR754334A (enrdf_load_stackoverflow)
GB (1) GB394105A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR754334A (enrdf_load_stackoverflow) 1933-11-03

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