DK132148C - Forsterker med automatisk niveauregulering - Google Patents

Forsterker med automatisk niveauregulering

Info

Publication number
DK132148C
DK132148C DK25870*#A DK25870A DK132148C DK 132148 C DK132148 C DK 132148C DK 25870 A DK25870 A DK 25870A DK 132148 C DK132148 C DK 132148C
Authority
DK
Denmark
Prior art keywords
amplifier
level control
automatic level
automatic
control
Prior art date
Application number
DK25870*#A
Other languages
Danish (da)
English (en)
Other versions
DK132148B (da
Inventor
W P Neidig
P J J Termeer
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 DK132148B publication Critical patent/DK132148B/da
Application granted granted Critical
Publication of DK132148C publication Critical patent/DK132148C/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
DK25870*#A 1969-01-23 1970-01-20 Forsterker med automatisk niveauregulering DK132148C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6901098.A NL160688C (nl) 1969-01-23 1969-01-23 Versterker met automatische niveauregeling.

Publications (2)

Publication Number Publication Date
DK132148B DK132148B (da) 1975-10-27
DK132148C true DK132148C (da) 1976-03-22

Family

ID=19805944

Family Applications (1)

Application Number Title Priority Date Filing Date
DK25870*#A DK132148C (da) 1969-01-23 1970-01-20 Forsterker med automatisk niveauregulering

Country Status (9)

Country Link
US (1) US3600698A (de)
JP (1) JPS5515882B1 (de)
AT (1) AT290644B (de)
BE (1) BE744741A (de)
DE (1) DE2001306C3 (de)
DK (1) DK132148C (de)
FR (1) FR2028953A1 (de)
GB (1) GB1286036A (de)
NL (1) NL160688C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250646B2 (de) * 1972-10-16 1977-12-26
US4471324A (en) * 1982-01-19 1984-09-11 Dbx, Inc. All NPN variably controlled amplifier
KR102163050B1 (ko) * 2015-03-12 2020-10-08 삼성전기주식회사 전력 증폭기 및 전력 증폭기의 위상 보정 방법
CN104980847A (zh) * 2015-06-30 2015-10-14 傅明尧 一种采用分立元件组装的耳机电路

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2903522A (en) * 1955-07-07 1959-09-08 Gen Precision Lab Inc Transistor amplifier

Also Published As

Publication number Publication date
DE2001306B2 (de) 1980-01-10
DK132148B (da) 1975-10-27
GB1286036A (en) 1972-08-16
NL6901098A (de) 1970-07-27
DE2001306A1 (de) 1970-07-30
BE744741A (fr) 1970-07-22
JPS5515882B1 (de) 1980-04-26
US3600698A (en) 1971-08-17
AT290644B (de) 1971-06-11
NL160688B (nl) 1979-06-15
NL160688C (nl) 1979-11-15
DE2001306C3 (de) 1980-09-11
FR2028953A1 (de) 1970-10-16

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