JPH033980B2 - - Google Patents

Info

Publication number
JPH033980B2
JPH033980B2 JP57049225A JP4922582A JPH033980B2 JP H033980 B2 JPH033980 B2 JP H033980B2 JP 57049225 A JP57049225 A JP 57049225A JP 4922582 A JP4922582 A JP 4922582A JP H033980 B2 JPH033980 B2 JP H033980B2
Authority
JP
Japan
Prior art keywords
resistor
field effect
effect transistor
telephone
current
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 - Lifetime
Application number
JP57049225A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57174968A (en
Inventor
Hendoriku Heritosen Furederiku
Yohanesu Herarudasu Yansen Danieru
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of JPS57174968A publication Critical patent/JPS57174968A/ja
Publication of JPH033980B2 publication Critical patent/JPH033980B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/15—Indicating the presence of current

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP4922582A 1981-04-01 1982-03-29 Substriber's line connecting circuit Granted JPS57174968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8101612A NL8101612A (nl) 1981-04-01 1981-04-01 Lijntestcircuit voor een abonneetelefoontoestel.

Publications (2)

Publication Number Publication Date
JPS57174968A JPS57174968A (en) 1982-10-27
JPH033980B2 true JPH033980B2 (enrdf_load_stackoverflow) 1991-01-21

Family

ID=19837271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4922582A Granted JPS57174968A (en) 1981-04-01 1982-03-29 Substriber's line connecting circuit

Country Status (2)

Country Link
JP (1) JPS57174968A (enrdf_load_stackoverflow)
NL (1) NL8101612A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132107A (en) * 1978-04-05 1979-10-13 Nec Corp Call current supply circuit

Also Published As

Publication number Publication date
NL8101612A (nl) 1982-11-01
JPS57174968A (en) 1982-10-27

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