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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control 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
- F16H61/02—Control 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
- F16H61/0262—Control 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
- F16H61/0274—Control units where shifting is directly initiated by the driver, e.g. semi-automatic transmissions
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/34—Means for automatic focusing therefor
- G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G19/00—Servo-mechanisms with follow-up action, e.g. occurring in steps
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2708/00—Control devices for speed-changing geared mechanisms, e.g. specially adapted couplings for synchronising devices, devices to simplify control, control of auxiliary gearboxes
- F16H2708/24—Control 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)
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)
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 |
-
0
- BE BE446078D patent/BE446078A/xx unknown
-
1942
- 1942-04-11 CH CH226241D patent/CH226241A/de unknown
- 1942-05-23 CH CH225592D patent/CH225592A/de unknown
- 1942-06-04 FR FR882888D patent/FR882888A/fr not_active Expired
- 1942-06-16 CH CH226295D patent/CH226295A/de unknown
- 1942-06-16 CH CH226296D patent/CH226296A/de unknown
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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