CH277490A - Installation comprenant un amplificateur et des moyens de commande de volume. - Google Patents

Installation comprenant un amplificateur et des moyens de commande de volume.

Info

Publication number
CH277490A
CH277490A CH277490DA CH277490A CH 277490 A CH277490 A CH 277490A CH 277490D A CH277490D A CH 277490DA CH 277490 A CH277490 A CH 277490A
Authority
CH
Switzerland
Prior art keywords
thermistor
amplifier
installation according
control
sub
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Telephone Et Radio S Standard
Original Assignee
Standard Telephone & Radio Sa
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 Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH277490A publication Critical patent/CH277490A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/02Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
    • H04H60/04Studio equipment; Interconnection of studios
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G1/00Details of arrangements for controlling amplification
    • H03G1/0005Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0041Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using thermistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
CH277490D 1945-06-08 1947-09-30 Installation comprenant un amplificateur et des moyens de commande de volume. CH277490A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14559/45A GB592917A (en) 1945-06-08 1945-06-08 Improvements in or relating to volume control and mixing arrangements in broadcasting systems and the like

Publications (1)

Publication Number Publication Date
CH277490A true CH277490A (fr) 1951-08-31

Family

ID=10043413

Family Applications (1)

Application Number Title Priority Date Filing Date
CH277490D CH277490A (fr) 1945-06-08 1947-09-30 Installation comprenant un amplificateur et des moyens de commande de volume.

Country Status (5)

Country Link
BE (1) BE471104A (en))
CH (1) CH277490A (en))
ES (1) ES175006A1 (en))
FR (1) FR933015A (en))
GB (1) GB592917A (en))

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE511541A (en)) * 1951-05-21
GB2342798B (en) * 1998-10-16 2003-04-16 Mitel Corp Telephone headset click-free muting circuit
GB2344711B (en) * 1998-12-11 2004-02-25 Mitel Corp Click-free muting circuit for headset
US6751316B1 (en) 1998-12-11 2004-06-15 Mitel Corporation Click-free muting circuit for headset

Also Published As

Publication number Publication date
FR933015A (fr) 1948-04-08
BE471104A (en)) 1947-08-11
GB592917A (en) 1947-10-02
ES175006A1 (es) 1946-11-01

Similar Documents

Publication Publication Date Title
US3789143A (en) Compander with control signal logarithmically related to the instantaneous rms value of the input signal
US3281723A (en) Dynamic equalizer circuits having a light dependent cell for producing a relatively constant apparent loudness effect
CA2069123A1 (fr) Dispositif amplificateur programmable
FR2562353A1 (fr) Dispositif electro-acoustique
FR2485295A1 (fr) Circuit de commande d'impedance par reaction
GB2044564A (en) Grain control systems
FR2529411A1 (fr) Amplificateur de courant a circuit integre avec amelioration de la linearite et la precision du coefficient de multiplication du circuit
CH277490A (fr) Installation comprenant un amplificateur et des moyens de commande de volume.
US2069853A (en) Tone compensated volume control circuit
US2589133A (en) Electrical filter
FR2576729A1 (fr) Egaliseur commande par tension
FR2487605A1 (fr) Circuit de commande de gain
US2256057A (en) Tone control circuit
US1990099A (en) Device more particularly for controlling the sound intensity in low-frequency distribution systems
US2575990A (en) Automatic volume control
FR2505595A1 (fr) Dispositif pour faire correspondre les caracteristiques de reglage du volume en courant continu de deux canaux audio
US3531596A (en) Treble and bass control circuit
US9431970B1 (en) Methods and apparatus for relatively invariant input-output spectral relationship amplifiers
FR2501935A1 (fr) Circuit de commande de volume et de tonalite incorporant une correction physiologique sans filtre supplementaire
US3596198A (en) Volume controller
US2602851A (en) Remote-control system for radio apparatus
FR2519488A1 (fr) Ensemble d'amplification pour tensions de fortes excursions et source de tension comprenant un tel ensemble d'amplification
US2008082A (en) Radio broadcasting
FR2667703A1 (fr) Source de courant a rapport donne entre courant de sortie et d'entree.
FR2514597A1 (fr) Systeme de controle d'un signal video couple en courant continu a frequences selectives