SG51990G - Audio transmission circuit comprising a transmit amplifier in the form of a line voltage stabiliser - Google Patents

Audio transmission circuit comprising a transmit amplifier in the form of a line voltage stabiliser

Info

Publication number
SG51990G
SG51990G SG51990A SG51990A SG51990G SG 51990 G SG51990 G SG 51990G SG 51990 A SG51990 A SG 51990A SG 51990 A SG51990 A SG 51990A SG 51990 G SG51990 G SG 51990G
Authority
SG
Singapore
Prior art keywords
line voltage
transmission circuit
audio transmission
transmit amplifier
voltage stabiliser
Prior art date
Application number
SG51990A
Other languages
English (en)
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Publication of SG51990G publication Critical patent/SG51990G/en

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
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
    • 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)
  • Amplifiers (AREA)
SG51990A 1984-02-17 1990-07-04 Audio transmission circuit comprising a transmit amplifier in the form of a line voltage stabiliser SG51990G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8400508A NL8400508A (nl) 1984-02-17 1984-02-17 Audiotransmissiecircuit met als lijnspanningsstabilisator uitgevoerde zendversterker.

Publications (1)

Publication Number Publication Date
SG51990G true SG51990G (en) 1990-08-31

Family

ID=19843502

Family Applications (1)

Application Number Title Priority Date Filing Date
SG51990A SG51990G (en) 1984-02-17 1990-07-04 Audio transmission circuit comprising a transmit amplifier in the form of a line voltage stabiliser

Country Status (6)

Country Link
EP (1) EP0154366B1 (nl)
JP (1) JPS60203051A (nl)
CA (1) CA1226983A (nl)
DE (1) DE3564067D1 (nl)
NL (1) NL8400508A (nl)
SG (1) SG51990G (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601548A (nl) * 1986-06-16 1988-01-18 Philips Nv Telefoontoestel voorzien van een lijnspanningsstabilisator met een dc-voedingspunt.
JP2815355B2 (ja) * 1986-09-30 1998-10-27 シーメンス、アクチエンゲゼルシヤフト 電子式通話回路装置
BE905921A (nl) * 1986-12-16 1987-06-16 Bell Telephone Mfg Telecommunicatie-inrichting en daarin gebruikte ketens.
ATE103450T1 (de) * 1990-01-29 1994-04-15 Siemens Ag Verfahren und anordnung zur bildung des leitungsabschlusses einer telefonleitung.
CN105376675B (zh) * 2015-12-11 2019-02-19 小米科技有限责任公司 麦克风电路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1602296A (en) * 1977-11-15 1981-11-11 Gen Electric Co Ltd Current sources
US4233474A (en) * 1978-01-10 1980-11-11 Nippon Electric Co., Ltd. Telephone transmitter amplifier
JPS54125630A (en) * 1978-02-22 1979-09-29 Nippon Zoki Pharmaceutical Co Novel propanone derivative*its manufacture and medical composition containing it as active component

Also Published As

Publication number Publication date
JPS60203051A (ja) 1985-10-14
NL8400508A (nl) 1985-09-16
EP0154366A1 (en) 1985-09-11
JPH0414904B2 (nl) 1992-03-16
EP0154366B1 (en) 1988-07-27
CA1226983A (en) 1987-09-15
DE3564067D1 (en) 1988-09-01

Similar Documents

Publication Publication Date Title
DE3568662D1 (en) Sense amplifier circuit
GB2168220B (en) Earphone
GB2157908B (en) Distributed power amplifier
GB2165712B (en) Power transmission
GB8523078D0 (en) Low frequency speaker
GB8427423D0 (en) Signal transmission
EP0186388A3 (en) Second order toroidal microphone
GB8522329D0 (en) Transmission
GB8525002D0 (en) Insulating coupling
EP0159654A3 (en) Amplifier circuit
DE3565437D1 (en) Electrical transmission line
GB8411896D0 (en) Transmission
AU3211984A (en) Hydrokinetic amplifier
GB8426877D0 (en) Sound reproducing devices
GB8307628D0 (en) Signal transmission devices
DE3564067D1 (en) Audio transmission circuit comprising a transmit amplifier in the form of a line voltage stabiliser
DE3567494D1 (en) Sound insulating device
GB2138231B (en) Signal transmission circuit
GB8609113D0 (en) Anaesthetic circuit
GB8422641D0 (en) Stabiliser
DE3573054D1 (en) Signal amplifier and telephone line feed circuit
GB8430030D0 (en) Sleeve-type stabiliser
GB8407208D0 (en) Speaker
GB2154819B (en) Amplifier circuits
GB8527307D0 (en) Transmitters