IT978819B - EQUIPMENT FOR RECORDING AND REPRODUCTION OF VIDEO INFORMATION - Google Patents

EQUIPMENT FOR RECORDING AND REPRODUCTION OF VIDEO INFORMATION

Info

Publication number
IT978819B
IT978819B IT20039/73A IT2003973A IT978819B IT 978819 B IT978819 B IT 978819B IT 20039/73 A IT20039/73 A IT 20039/73A IT 2003973 A IT2003973 A IT 2003973A IT 978819 B IT978819 B IT 978819B
Authority
IT
Italy
Prior art keywords
reproduction
recording
equipment
video information
video
Prior art date
Application number
IT20039/73A
Other languages
Italian (it)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT978819B publication Critical patent/IT978819B/en

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)
IT20039/73A 1972-02-08 1973-02-05 EQUIPMENT FOR RECORDING AND REPRODUCTION OF VIDEO INFORMATION IT978819B (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
IT978819B true IT978819B (en) 1974-09-20

Family

ID=19815320

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20039/73A IT978819B (en) 1972-02-08 1973-02-05 EQUIPMENT FOR RECORDING AND REPRODUCTION OF 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
FR2171216B1 (en) 1980-03-07
DE2305848B2 (en) 1976-04-22
NL7201609A (en) 1973-08-10
AT319353B (en) 1974-12-27
BE795157A (en) 1973-08-08
AU5179673A (en) 1974-08-08
GB1416269A (en) 1975-12-03
CA1021058A (en) 1977-11-15
FR2171216A1 (en) 1973-09-21
DE2305848A1 (en) 1973-08-16
JPS4893307A (en) 1973-12-03

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