BE879902A - Transmissienetwerk met drie poorten en telefonieschakeling waarin dit netwerk wordt toegepast - Google Patents

Transmissienetwerk met drie poorten en telefonieschakeling waarin dit netwerk wordt toegepast

Info

Publication number
BE879902A
BE879902A BE2/58192A BE2058192A BE879902A BE 879902 A BE879902 A BE 879902A BE 2/58192 A BE2/58192 A BE 2/58192A BE 2058192 A BE2058192 A BE 2058192A BE 879902 A BE879902 A BE 879902A
Authority
BE
Belgium
Prior art keywords
network
port transmission
telephony switching
transmission network
telephony
Prior art date
Application number
BE2/58192A
Other languages
English (en)
Inventor
P F Blomley
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BE879902A publication Critical patent/BE879902A/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE2/58192A 1978-11-08 1979-11-08 Transmissienetwerk met drie poorten en telefonieschakeling waarin dit netwerk wordt toegepast BE879902A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7843602A GB2034555B (en) 1978-11-08 1978-11-08 Bridge amplifier

Publications (1)

Publication Number Publication Date
BE879902A true BE879902A (nl) 1980-05-08

Family

ID=10500875

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58192A BE879902A (nl) 1978-11-08 1979-11-08 Transmissienetwerk met drie poorten en telefonieschakeling waarin dit netwerk wordt toegepast

Country Status (36)

Country Link
US (1) US4286123A (nl)
JP (1) JPS5566153A (nl)
AR (1) AR217354A1 (nl)
AT (1) AT376090B (nl)
AU (1) AU518350B2 (nl)
BE (1) BE879902A (nl)
BR (1) BR7901163A (nl)
CA (1) CA1149980A (nl)
CH (1) CH647114A5 (nl)
DD (1) DD141383A5 (nl)
DE (1) DE2856072C3 (nl)
DK (1) DK101079A (nl)
EG (1) EG14801A (nl)
ES (1) ES476608A1 (nl)
FI (1) FI790944A (nl)
FR (1) FR2441301A1 (nl)
GB (1) GB2034555B (nl)
GR (1) GR66659B (nl)
HK (1) HK49787A (nl)
HU (1) HU177459B (nl)
IL (1) IL56530A0 (nl)
IN (1) IN150998B (nl)
IT (1) IT1192686B (nl)
MX (1) MX146725A (nl)
NL (1) NL7812201A (nl)
NO (1) NO145811C (nl)
NZ (1) NZ189634A (nl)
PH (1) PH16061A (nl)
PL (1) PL125280B1 (nl)
PT (1) PT69609A (nl)
RO (1) RO80675A (nl)
SE (2) SE437452B (nl)
SU (1) SU1088677A3 (nl)
TR (1) TR20841A (nl)
YU (1) YU305478A (nl)
ZA (1) ZA79281B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2057815B (en) * 1979-08-31 1983-08-10 Standard Telephones Cables Ltd Electronic telephone circuit
US4536888A (en) * 1981-08-21 1985-08-20 Plantronics, Inc. Voice communication instrument system with line-powered receiver conditioning circuit
NL8304312A (nl) * 1983-12-15 1985-07-01 Philips Nv Telefooncircuit met klasse-b versterker.
JP3404848B2 (ja) * 1993-12-21 2003-05-12 ソニー株式会社 半導体装置
PL443367A1 (pl) * 2022-12-30 2024-01-29 Główny Instytut Górnictwa Polimerobeton oraz sposób jego otrzymywania

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175050A (en) * 1960-03-21 1965-03-23 Nat Company Inc Bi-directional signal circuit
US3238310A (en) * 1961-02-13 1966-03-01 Rca Corp Bidirectional amplifiers
US3359378A (en) * 1964-09-28 1967-12-19 Sanders Associates Inc Two-way amplifier
US3529099A (en) * 1967-05-10 1970-09-15 Itt Telephone subset with resistive hybrid network
US3573402A (en) * 1969-03-25 1971-04-06 Lorain Prod Corp Bidirectional additive amplifier
NL6916988A (nl) * 1969-11-11 1971-05-13
NL7200294A (nl) * 1972-01-08 1973-07-10
NL7307296A (nl) * 1973-05-25 1974-11-27
US3882274A (en) * 1974-02-28 1975-05-06 Regents State Of Florida Board Bidirectional digital amplifier
US4004091A (en) * 1975-06-26 1977-01-18 Motorola, Inc. Bidirectional line driver
DE2536201C2 (de) * 1975-08-13 1982-06-03 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung für Fernmeldeanlagen insbesondere für Fernsprechapparate zur Abgabe von Wählimpulsen mit einem Transistor

Also Published As

Publication number Publication date
YU305478A (en) 1983-04-30
GR66659B (nl) 1981-04-07
AR217354A1 (es) 1980-03-14
AU518350B2 (en) 1981-09-24
NO145811C (no) 1982-06-09
ATA922178A (de) 1984-02-15
JPH0228943B2 (nl) 1990-06-27
PT69609A (en) 1979-06-01
ES476608A1 (es) 1979-12-16
HU177459B (en) 1981-10-28
GB2034555A (en) 1980-06-04
RO80675A (ro) 1983-02-01
BR7901163A (pt) 1980-10-29
DE2856072C3 (de) 1986-10-23
DE2856072A1 (de) 1980-05-14
SE8404228D0 (sv) 1984-08-24
MX146725A (es) 1982-08-03
TR20841A (tr) 1982-10-19
FR2441301A1 (fr) 1980-06-06
EG14801A (en) 1985-03-31
AT376090B (de) 1984-10-10
CH647114A5 (de) 1984-12-28
IT1192686B (it) 1988-05-04
IN150998B (nl) 1983-02-12
FR2441301B1 (nl) 1983-12-30
NL7812201A (nl) 1980-05-12
JPS5566153A (en) 1980-05-19
CA1149980A (en) 1983-07-12
AU4264278A (en) 1980-05-15
SE8404228L (sv) 1984-08-24
PL125280B1 (en) 1983-04-30
PH16061A (en) 1983-06-09
NZ189634A (en) 1981-05-15
NO145811B (no) 1982-02-22
GB2034555B (en) 1983-03-02
IL56530A0 (en) 1979-03-12
FI790944A (fi) 1980-05-09
PL213320A1 (nl) 1980-05-19
HK49787A (en) 1987-07-03
SE437452B (sv) 1985-02-25
US4286123A (en) 1981-08-25
SE7902675L (sv) 1980-05-09
NO784313L (no) 1980-05-09
ZA79281B (en) 1980-01-30
SU1088677A3 (ru) 1984-04-23
DE2856072B2 (de) 1980-08-28
IT7919775A0 (it) 1979-02-01
DD141383A5 (de) 1980-04-23
DK101079A (da) 1980-05-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INTERNATIONAL STANDARD ELECTRIC CORP.

Effective date: 19871130