SE7704664L - Slingforlengare - Google Patents

Slingforlengare

Info

Publication number
SE7704664L
SE7704664L SE7704664A SE7704664A SE7704664L SE 7704664 L SE7704664 L SE 7704664L SE 7704664 A SE7704664 A SE 7704664A SE 7704664 A SE7704664 A SE 7704664A SE 7704664 L SE7704664 L SE 7704664L
Authority
SE
Sweden
Prior art keywords
sling extension
sling
extension
Prior art date
Application number
SE7704664A
Other languages
English (en)
Inventor
F J Glenn
Original Assignee
Cook Electric 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
Application filed by Cook Electric Co filed Critical Cook Electric Co
Publication of SE7704664L publication Critical patent/SE7704664L/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/006—Circuits for increasing the range of current supply source

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
SE7704664A 1976-04-28 1977-04-22 Slingforlengare SE7704664L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68123276A 1976-04-28 1976-04-28

Publications (1)

Publication Number Publication Date
SE7704664L true SE7704664L (sv) 1977-10-29

Family

ID=24734372

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7704664A SE7704664L (sv) 1976-04-28 1977-04-22 Slingforlengare

Country Status (7)

Country Link
US (1) US4122312A (sv)
JP (1) JPS52132607A (sv)
CA (1) CA1069232A (sv)
DE (1) DE2718990A1 (sv)
FR (1) FR2350019A1 (sv)
GB (1) GB1571252A (sv)
SE (1) SE7704664L (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158752A (en) * 1977-12-21 1979-06-19 Gte Automatic Electric Laboratories Incorporated Carrier subscriber telephone station terminal loop current booster
DE69322415T2 (de) * 1992-12-02 1999-05-20 Emc Corp., Hopkinton, Ma. Einschaltstromspitzen- begrenzer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514543A (en) * 1968-03-29 1970-05-26 Hubbell Inc Harvey Battery insertion apparatus for extending loop telephone lines
US3626201A (en) * 1970-06-05 1971-12-07 Lorain Prod Corp Polarity responsive circuit for telephone systems
US3781480A (en) * 1970-11-10 1973-12-25 Wescom Loop extender
US3763319A (en) * 1971-02-22 1973-10-02 Lorain Prod Corp Impedance responsive voltage booster circuit for telephone systems
US3757052A (en) * 1971-10-19 1973-09-04 Electro Dynamics & Telecom Ltd Telephone line extender with test thru capability
US3821483A (en) * 1972-10-17 1974-06-28 Reliable Electric Co Telephone line loop extender
US3898389A (en) * 1972-10-18 1975-08-05 Communic Mfg Voltage and/or current-sensitive loop extender
US3872258A (en) * 1974-01-28 1975-03-18 Lorain Prod Corp Voltage booster circuit for telephone systems
US3906162A (en) * 1974-07-30 1975-09-16 Communic Mfg Loop extender with bypass capacitor discharge
US3992591A (en) * 1975-04-25 1976-11-16 Bell Telephone Laboratories, Incorporated Telephone line battery boost circuit
US4024351A (en) * 1976-01-26 1977-05-17 Bell Telephone Laboratories, Incorporated Telephone line battery boost circuit

Also Published As

Publication number Publication date
US4122312A (en) 1978-10-24
FR2350019A1 (fr) 1977-11-25
JPS52132607A (en) 1977-11-07
CA1069232A (en) 1980-01-01
GB1571252A (en) 1980-07-09
DE2718990A1 (de) 1977-11-17

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