GB2063017B - Telephone system subscriber battery charging - Google Patents

Telephone system subscriber battery charging

Info

Publication number
GB2063017B
GB2063017B GB8029809A GB8029809A GB2063017B GB 2063017 B GB2063017 B GB 2063017B GB 8029809 A GB8029809 A GB 8029809A GB 8029809 A GB8029809 A GB 8029809A GB 2063017 B GB2063017 B GB 2063017B
Authority
GB
United Kingdom
Prior art keywords
battery charging
telephone system
system subscriber
subscriber battery
telephone
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
GB8029809A
Other versions
GB2063017A (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.)
HATFIELD IND Ltd
Original Assignee
HATFIELD IND 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 HATFIELD IND Ltd filed Critical HATFIELD IND Ltd
Publication of GB2063017A publication Critical patent/GB2063017A/en
Application granted granted Critical
Publication of GB2063017B publication Critical patent/GB2063017B/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
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
GB8029809A 1979-09-28 1980-09-16 Telephone system subscriber battery charging Expired GB2063017B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ19170179 1979-09-28

Publications (2)

Publication Number Publication Date
GB2063017A GB2063017A (en) 1981-05-28
GB2063017B true GB2063017B (en) 1983-10-19

Family

ID=19918932

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8029809A Expired GB2063017B (en) 1979-09-28 1980-09-16 Telephone system subscriber battery charging

Country Status (2)

Country Link
AU (1) AU6234380A (en)
GB (1) GB2063017B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1285494C (en) * 1987-07-10 1991-07-02 Newbridge Networks Corporation Paging system
FR2664776B1 (en) * 1990-07-10 1993-09-10 Digitelec Inf Sarl MODULATOR - DEMODULATOR POWERED BY THE TELEPHONE LINE.

Also Published As

Publication number Publication date
AU6234380A (en) 1981-04-02
GB2063017A (en) 1981-05-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee