NL7812201A - Brugversterker. - Google Patents

Brugversterker. Download PDF

Info

Publication number
NL7812201A
NL7812201A NL7812201A NL7812201A NL7812201A NL 7812201 A NL7812201 A NL 7812201A NL 7812201 A NL7812201 A NL 7812201A NL 7812201 A NL7812201 A NL 7812201A NL 7812201 A NL7812201 A NL 7812201A
Authority
NL
Netherlands
Prior art keywords
amplifier
line
transistors
signal
transistor
Prior art date
Application number
NL7812201A
Other languages
English (en)
Dutch (nl)
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 NL7812201A publication Critical patent/NL7812201A/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)
NL7812201A 1978-11-08 1978-12-15 Brugversterker. NL7812201A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7843602A GB2034555B (en) 1978-11-08 1978-11-08 Bridge amplifier
GB7843602 1978-11-08

Publications (1)

Publication Number Publication Date
NL7812201A true NL7812201A (nl) 1980-05-12

Family

ID=10500875

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7812201A NL7812201A (nl) 1978-11-08 1978-12-15 Brugversterker.

Country Status (36)

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

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 (it) * 1969-11-11 1971-05-13
NL7200294A (it) * 1972-01-08 1973-07-10
NL7307296A (it) * 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
BE879902A (nl) 1980-05-08
YU305478A (en) 1983-04-30
GR66659B (it) 1981-04-07
AR217354A1 (es) 1980-03-14
AU518350B2 (en) 1981-09-24
NO145811C (no) 1982-06-09
ATA922178A (de) 1984-02-15
JPH0228943B2 (it) 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 (it) 1983-02-12
FR2441301B1 (it) 1983-12-30
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 (it) 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

Similar Documents

Publication Publication Date Title
US4041252A (en) Transformerless two-wire/four-wire hybrid with DC sourcing capability
JPH0638671B2 (ja) 電話ラインインタフエ−ス
US5940498A (en) Electronic voice circuit configuration
KR100747808B1 (ko) 트랙 및 홀드 증폭기
NL7812201A (nl) Brugversterker.
US3384844A (en) Negative impedance device
US4314106A (en) Line circuit
US4356354A (en) Electronic subscriber junctor
US3254303A (en) Cascaded transistor amplifier biasing arrangement
NL9001489A (nl) Elektrisch voedingscircuit voor toepassing bij een telefoontoestel.
US6563924B1 (en) Subscriber matching circuit for electronic exchange
KR830001558B1 (ko) 브리지 증폭기
US5986511A (en) Frequency dependent impedance
US3636266A (en) Negative impedance line isolators
JPS60142655A (ja) 音声伝送回路
GB2115650A (en) Telephone subscriber's instrument circuit
JP3030006B2 (ja) 多重化信号の分配装置
US4025735A (en) Negative conductance network
JPS5816287Y2 (ja) 発振器の制御回路
BE905921A (nl) Telecommunicatie-inrichting en daarin gebruikte ketens.
Leakey et al. A current-controlled tdm transmission path
US4085290A (en) Telephone conference amplifier
JPH05121964A (ja) 電気信号を増幅する回路装置
Barry et al. The use of semiconductor devices in pam system demodulation
JPS62155665A (ja) 直流給電回路

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: STC PLC TE HARLOW

BV The patent application has lapsed