CA1021058A - Apparatus for recording and playing back video information - Google Patents

Apparatus for recording and playing back video information

Info

Publication number
CA1021058A
CA1021058A CA162,859A CA162859A CA1021058A CA 1021058 A CA1021058 A CA 1021058A CA 162859 A CA162859 A CA 162859A CA 1021058 A CA1021058 A CA 1021058A
Authority
CA
Canada
Prior art keywords
recording
video information
playing back
back video
playing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA162,859A
Other languages
French (fr)
Other versions
CA162859S (en
Inventor
Antonius I. Hofste Op Bruinink
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1021058A publication Critical patent/CA1021058A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • 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
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • 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
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
    • 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
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/18—Controlling the angular speed together with angular position or phase
    • H02P23/183—Controlling the angular speed together with angular position or phase of one shaft without controlling the prime mover
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Television Signal Processing For Recording (AREA)
  • Control Of Velocity Or Acceleration (AREA)
CA162,859A 1972-02-08 1973-02-05 Apparatus for recording and playing back video information Expired CA1021058A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7201609A NL7201609A (en) 1972-02-08 1972-02-08

Publications (1)

Publication Number Publication Date
CA1021058A true CA1021058A (en) 1977-11-15

Family

ID=19815320

Family Applications (1)

Application Number Title Priority Date Filing Date
CA162,859A Expired CA1021058A (en) 1972-02-08 1973-02-05 Apparatus for recording and playing back video information

Country Status (8)

Country Link
JP (1) JPS4893307A (en)
AT (1) AT319353B (en)
BE (1) BE795157A (en)
CA (1) CA1021058A (en)
FR (1) FR2171216B1 (en)
GB (1) GB1416269A (en)
IT (1) IT978819B (en)
NL (1) NL7201609A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2747448A1 (en) * 1977-10-21 1979-04-26 Sony Corp SERVO DEVICE FOR REGULATING THE ROTATIONAL PHASE OF A CIRCULATING BODY
US4477750A (en) * 1982-05-17 1984-10-16 International Business Machines Corporation Multi-level disk drive motor speed control

Also Published As

Publication number Publication date
DE2305848A1 (en) 1973-08-16
GB1416269A (en) 1975-12-03
IT978819B (en) 1974-09-20
BE795157A (en) 1973-08-08
AT319353B (en) 1974-12-27
DE2305848B2 (en) 1976-04-22
AU5179673A (en) 1974-08-08
FR2171216B1 (en) 1980-03-07
FR2171216A1 (en) 1973-09-21
NL7201609A (en) 1973-08-10
JPS4893307A (en) 1973-12-03

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