GB502800A - Improvements in power supply arrangements suitable for use in telephone systems - Google Patents

Improvements in power supply arrangements suitable for use in telephone systems

Info

Publication number
GB502800A
GB502800A GB2563937A GB2563937A GB502800A GB 502800 A GB502800 A GB 502800A GB 2563937 A GB2563937 A GB 2563937A GB 2563937 A GB2563937 A GB 2563937A GB 502800 A GB502800 A GB 502800A
Authority
GB
United Kingdom
Prior art keywords
mains
supply
vibrator
transformer
connections
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
GB2563937A
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
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 BE430270D priority Critical patent/BE430270A/xx
Application filed by Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Priority to GB2563937A priority patent/GB502800A/en
Publication of GB502800A publication Critical patent/GB502800A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB2563937A 1937-09-21 1937-09-21 Improvements in power supply arrangements suitable for use in telephone systems Expired GB502800A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BE430270D BE430270A (enrdf_load_html_response) 1937-09-21
GB2563937A GB502800A (en) 1937-09-21 1937-09-21 Improvements in power supply arrangements suitable for use in telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2563937A GB502800A (en) 1937-09-21 1937-09-21 Improvements in power supply arrangements suitable for use in telephone systems

Publications (1)

Publication Number Publication Date
GB502800A true GB502800A (en) 1939-03-21

Family

ID=10230921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2563937A Expired GB502800A (en) 1937-09-21 1937-09-21 Improvements in power supply arrangements suitable for use in telephone systems

Country Status (2)

Country Link
BE (1) BE430270A (enrdf_load_html_response)
GB (1) GB502800A (enrdf_load_html_response)

Also Published As

Publication number Publication date
BE430270A (enrdf_load_html_response)

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