BE581446A - Système et procédé d'enregistrement et/ou de reproduction par bande. - Google Patents

Système et procédé d'enregistrement et/ou de reproduction par bande.

Info

Publication number
BE581446A
BE581446A BE581446A BE581446A BE581446A BE 581446 A BE581446 A BE 581446A BE 581446 A BE581446 A BE 581446A BE 581446 A BE581446 A BE 581446A BE 581446 A BE581446 A BE 581446A
Authority
BE
Belgium
Prior art keywords
reproduction
tape recording
tape
recording
Prior art date
Application number
BE581446A
Other languages
English (en)
Inventor
Harold Victor Clark
Joseph Roizen
John Franklin Vernell Jr
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of BE581446A publication Critical patent/BE581446A/fr

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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/245—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • 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
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
BE581446A 1958-08-08 1959-08-06 Système et procédé d'enregistrement et/ou de reproduction par bande. BE581446A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US754098A US3097267A (en) 1958-08-08 1958-08-08 Tape recording and/or reproducing system and method

Publications (1)

Publication Number Publication Date
BE581446A true BE581446A (fr) 1959-12-01

Family

ID=25033483

Family Applications (1)

Application Number Title Priority Date Filing Date
BE581446A BE581446A (fr) 1958-08-08 1959-08-06 Système et procédé d'enregistrement et/ou de reproduction par bande.

Country Status (3)

Country Link
US (1) US3097267A (fr)
BE (1) BE581446A (fr)
CH (1) CH392607A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174090A (en) * 1959-04-27 1965-03-16 Rca Corp Phase responsive motor speed control system
US3288923A (en) * 1961-10-21 1966-11-29 Matsushita Electric Industrial Co Ltd Synchronizing apparatus using controlled slip synchronous motor
US3270130A (en) * 1962-03-27 1966-08-30 Rca Corp Servo system with plural reference signals
NL293528A (fr) * 1962-06-01 1900-01-01
US3268788A (en) * 1963-01-09 1966-08-23 Minnesota Mining & Mfg Phase difference speed control system
US3478178A (en) * 1967-03-24 1969-11-11 Fowler Allan R Switched frequency and phase comparator
GB1301094A (en) * 1969-03-21 1972-12-29 Rca Corp Servo system
US3663764A (en) * 1970-04-06 1972-05-16 Ampex Automatic tracking circuit for transverse scan magnetic tape transport
US3663763A (en) * 1970-04-06 1972-05-16 Ampex Automatic tracking method and apparatus for rotary scan tape transport
US3893169A (en) * 1973-01-29 1975-07-01 Arvin Ind Inc Video recorder which accepts a plurality of horizontal line rates
US4003090A (en) * 1974-02-18 1977-01-11 Rca Corporation Magnetic recording and reproducing system with tape-to-head speed control
US4047231A (en) * 1976-03-19 1977-09-06 Ampex Corporation High stability digital head servo for video recorders
EP0103028B1 (fr) * 1982-03-18 1986-09-03 Sanyo Electric Co., Ltd Circuit de commande de vitesse pour moteur
USD814009S1 (en) 2015-05-19 2018-03-27 Broan-Nutone, Llc Vent hood
USD815724S1 (en) 2015-09-14 2018-04-17 Broan-Nutone Llc Ventilation grill
USD822821S1 (en) 2015-09-14 2018-07-10 Broan-Nutone, Llc Ventilation grill
USD897521S1 (en) 2016-10-14 2020-09-29 Broan-Nutone Llc Vent hood

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715202A (en) * 1951-09-07 1955-08-09 Western Union Telegraph Co Electric motor speed regulation
GB715583A (en) * 1952-08-27 1954-09-15 English Electric Co Ltd Improvements relating to electric motor control systems for mine winders and the like
US2756336A (en) * 1954-01-08 1956-07-24 Alton O Christensen Automatic frequency control circuit
US2876295A (en) * 1954-09-14 1959-03-03 William L Irby Lateral magnetic recorder
US2756335A (en) * 1955-04-07 1956-07-24 Snyder Herman Frequency control circuit
US2782355A (en) * 1955-09-30 1957-02-19 Rca Corp Web feeding means
US2864895A (en) * 1956-05-04 1958-12-16 John Leonard Franklin Recording apparatus
US2944108A (en) * 1958-03-27 1960-07-05 Rca Corp Television synchronizing system

Also Published As

Publication number Publication date
CH392607A (fr) 1965-05-31
US3097267A (en) 1963-07-09

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