CH226484A - Process in which the amplitudes of existing magnetic sound recordings are changed. - Google Patents

Process in which the amplitudes of existing magnetic sound recordings are changed.

Info

Publication number
CH226484A
CH226484A CH226484DA CH226484A CH 226484 A CH226484 A CH 226484A CH 226484D A CH226484D A CH 226484DA CH 226484 A CH226484 A CH 226484A
Authority
CH
Switzerland
Prior art keywords
amplitudes
changed
existing magnetic
sound recordings
magnetic sound
Prior art date
Application number
Other languages
German (de)
Inventor
Licentia Patent-Verwaltungs-Gesellschaft Mit Beschraenkter Haftung
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH226484A publication Critical patent/CH226484A/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/22Automatic control in amplifiers having discharge tubes
    • H03G3/26Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems
    • H03G3/28Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems in frequency-modulation receivers ; in angle-modulation receivers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B31/00Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/16Trisazo dyes
    • C09B31/22Trisazo dyes from a coupling component "D" containing directive hydroxyl and amino groups
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B49/00Sulfur dyes
    • C09B49/12Sulfur dyes from other compounds, e.g. other heterocyclic compounds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/12Arrangement or mounting of control or safety devices
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/48Means forming part of the tube or lamp for the purpose of supporting it
CH226484D 1941-04-30 1942-04-08 Process in which the amplitudes of existing magnetic sound recordings are changed. CH226484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE300441X 1941-04-30

Publications (1)

Publication Number Publication Date
CH226484A true CH226484A (en) 1943-04-15

Family

ID=6093930

Family Applications (6)

Application Number Title Priority Date Filing Date
CH226451D CH226451A (en) 1941-04-30 1942-03-13 Process for the preparation of a blue trisazo dye.
CH226453D CH226453A (en) 1941-04-30 1942-03-21 Process for the production of a sulfur dye.
CH226889D CH226889A (en) 1941-04-30 1942-03-30 Tap line for stoves, stoves and the like.
CH226484D CH226484A (en) 1941-04-30 1942-04-08 Process in which the amplitudes of existing magnetic sound recordings are changed.
CH227275D CH227275A (en) 1941-04-30 1942-04-13 Receiver for frequency-modulated oscillations with amplitude limiter.
CH226336D CH226336A (en) 1941-04-30 1942-04-28 Pressed glass base for an electron tube and associated socket.

Family Applications Before (3)

Application Number Title Priority Date Filing Date
CH226451D CH226451A (en) 1941-04-30 1942-03-13 Process for the preparation of a blue trisazo dye.
CH226453D CH226453A (en) 1941-04-30 1942-03-21 Process for the production of a sulfur dye.
CH226889D CH226889A (en) 1941-04-30 1942-03-30 Tap line for stoves, stoves and the like.

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH227275D CH227275A (en) 1941-04-30 1942-04-13 Receiver for frequency-modulated oscillations with amplitude limiter.
CH226336D CH226336A (en) 1941-04-30 1942-04-28 Pressed glass base for an electron tube and associated socket.

Country Status (3)

Country Link
BE (1) BE444076A (en)
CH (6) CH226451A (en)
FR (1) FR881552A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE860966C (en) * 1946-07-17 1952-12-29 Philips Nv Circuit for silent tuning in a receiver for frequency-modulated oscillations

Also Published As

Publication number Publication date
CH226451A (en) 1943-04-15
CH226453A (en) 1943-04-15
CH226336A (en) 1943-03-31
BE444076A (en)
CH227275A (en) 1943-05-31
FR881552A (en) 1943-04-29
CH226889A (en) 1943-05-15

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