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CH225592A - Verfahren zur Beseitigung von Amplitudenschwankungen bei der magnetischen Schallaufzeichnung. - Google Patents

Verfahren zur Beseitigung von Amplitudenschwankungen bei der magnetischen Schallaufzeichnung.

Info

Publication number
CH225592A
CH225592A CH225592DA CH225592A CH 225592 A CH225592 A CH 225592A CH 225592D A CH225592D A CH 225592DA CH 225592 A CH225592 A CH 225592A
Authority
CH
Switzerland
Prior art keywords
sound recording
amplitude fluctuations
magnetic sound
eliminating amplitude
eliminating
Prior art date
Application number
Other languages
English (en)
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 CH225592A publication Critical patent/CH225592A/de

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0262Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
    • F16H61/0274Control units where shifting is directly initiated by the driver, e.g. semi-automatic transmissions
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00Photographic printing apparatus
    • G03B27/32Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34Means for automatic focusing therefor
    • G03B27/36Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05GCONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G19/00Servo-mechanisms with follow-up action, e.g. occurring in steps
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • 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
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2708/00Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes
    • F16H2708/24Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes with a preselection system, mainly semi-automatic, e.g. with automatic preselection, but controlled at the intended moment, with force amplification

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
CH225592D 1941-07-09 1942-05-23 Verfahren zur Beseitigung von Amplitudenschwankungen bei der magnetischen Schallaufzeichnung. CH225592A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE90741X 1941-07-09

Publications (1)

Publication Number Publication Date
CH225592A true CH225592A (de) 1943-02-15

Family

ID=5643370

Family Applications (4)

Application Number Title Priority Date Filing Date
CH226241D CH226241A (de) 1941-07-09 1942-04-11 Vergrösserungsgerät mit zwangsläufiger Scharfeinstellung.
CH225592D CH225592A (de) 1941-07-09 1942-05-23 Verfahren zur Beseitigung von Amplitudenschwankungen bei der magnetischen Schallaufzeichnung.
CH226295D CH226295A (de) 1941-07-09 1942-06-16 Elektromechanische Antriebsvorrichtung zum Umsetzen der Kräfte und Bewegungen des Fühlmittels einer Fühleinrichtung in grössere Kräfte und grössere Bewegungen einer Regelwelle.
CH226296D CH226296A (de) 1941-07-09 1942-06-16 Mechanischer Kraftverstärker zur Betätigung der Regeleinrichtung eines regelbaren Getriebes.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH226241D CH226241A (de) 1941-07-09 1942-04-11 Vergrösserungsgerät mit zwangsläufiger Scharfeinstellung.

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH226295D CH226295A (de) 1941-07-09 1942-06-16 Elektromechanische Antriebsvorrichtung zum Umsetzen der Kräfte und Bewegungen des Fühlmittels einer Fühleinrichtung in grössere Kräfte und grössere Bewegungen einer Regelwelle.
CH226296D CH226296A (de) 1941-07-09 1942-06-16 Mechanischer Kraftverstärker zur Betätigung der Regeleinrichtung eines regelbaren Getriebes.

Country Status (3)

Country Link
BE (1) BE446078A (de)
CH (4) CH226241A (de)
FR (1) FR882888A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645682A (en) * 1947-09-12 1953-07-14 Brush Dev Co Magnetic recording and reproducing
US2816174A (en) * 1952-04-26 1957-12-10 Rca Corp Magnetic compression system
US2718161A (en) * 1953-03-09 1955-09-20 Bendix Aviat Corp Two speed transmission actuated by reversal of drive shaft
US2870270A (en) * 1954-02-08 1959-01-20 Nagai Kenzo Magnetic reproducing systems
DE1116012B (de) * 1954-02-26 1961-10-26 Lufttechnische Ges M B H Einrichtung zum Anfahren der zweiten von zwei zeitweise gekuppelten Arbeitsmaschinen

Also Published As

Publication number Publication date
FR882888A (fr) 1943-06-17
BE446078A (de)
CH226295A (de) 1943-03-31
CH226241A (de) 1943-03-31
CH226296A (de) 1943-03-31

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