CH484487A - Device for compensating for changes in the recording and playback speed in a sound recording and / or playback device, in particular a dictation device - Google Patents

Device for compensating for changes in the recording and playback speed in a sound recording and / or playback device, in particular a dictation device

Info

Publication number
CH484487A
CH484487A CH687569A CH687569A CH484487A CH 484487 A CH484487 A CH 484487A CH 687569 A CH687569 A CH 687569A CH 687569 A CH687569 A CH 687569A CH 484487 A CH484487 A CH 484487A
Authority
CH
Switzerland
Prior art keywords
recording
playback
compensating
changes
dictation
Prior art date
Application number
CH687569A
Other languages
German (de)
Inventor
Braeunig Friedrich
Fronek Wolfgang
Original Assignee
Olympia Werke Ag
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 Olympia Werke Ag filed Critical Olympia Werke Ag
Publication of CH484487A publication Critical patent/CH484487A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
CH687569A 1968-07-06 1969-05-06 Device for compensating for changes in the recording and playback speed in a sound recording and / or playback device, in particular a dictation device CH484487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1772811 1968-07-06

Publications (1)

Publication Number Publication Date
CH484487A true CH484487A (en) 1970-01-15

Family

ID=5701407

Family Applications (1)

Application Number Title Priority Date Filing Date
CH687569A CH484487A (en) 1968-07-06 1969-05-06 Device for compensating for changes in the recording and playback speed in a sound recording and / or playback device, in particular a dictation device

Country Status (3)

Country Link
CH (1) CH484487A (en)
FR (1) FR2012434A1 (en)
NL (1) NL6910155A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2364771A1 (en) * 1972-12-28 1974-07-04 Sony Corp SOUND PLAYBACK DEVICE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2364771A1 (en) * 1972-12-28 1974-07-04 Sony Corp SOUND PLAYBACK DEVICE

Also Published As

Publication number Publication date
NL6910155A (en) 1970-01-08
FR2012434A1 (en) 1970-03-20

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Legal Events

Date Code Title Description
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