GB1302775A - - Google Patents

Info

Publication number
GB1302775A
GB1302775A GB1302775DA GB1302775A GB 1302775 A GB1302775 A GB 1302775A GB 1302775D A GB1302775D A GB 1302775DA GB 1302775 A GB1302775 A GB 1302775A
Authority
GB
United Kingdom
Prior art keywords
record
drive unit
pass filter
mechanical low
recording
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
Other languages
English (en)
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 filed Critical
Publication of GB1302775A publication Critical patent/GB1302775A/en
Expired legal-status Critical Current

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
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/0016—Control of angular speed of one shaft without controlling the prime mover
    • 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
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/43—Driving mechanisms
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/20—Moving record carrier backwards or forwards by finite amounts, i.e. backspacing, forward spacing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automatic Disk Changers (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Control Of Electric Motors In General (AREA)
GB1302775D 1969-08-14 1970-07-17 Expired GB1302775A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD14184669 1969-08-14
GB3468170 1970-07-17

Publications (1)

Publication Number Publication Date
GB1302775A true GB1302775A (enrdf_load_stackoverflow) 1973-01-10

Family

ID=25747271

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1302775D Expired GB1302775A (enrdf_load_stackoverflow) 1969-08-14 1970-07-17

Country Status (4)

Country Link
CH (1) CH526189A (enrdf_load_stackoverflow)
DE (1) DE2026500C3 (enrdf_load_stackoverflow)
FR (1) FR2058268B1 (enrdf_load_stackoverflow)
GB (1) GB1302775A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752659B2 (enrdf_load_stackoverflow) * 1972-12-28 1982-11-09

Also Published As

Publication number Publication date
FR2058268A1 (enrdf_load_stackoverflow) 1971-05-28
DE2026500C3 (de) 1974-09-26
CH526189A (de) 1972-07-31
FR2058268B1 (enrdf_load_stackoverflow) 1973-01-12
DE2026500B2 (de) 1974-02-14
DE2026500A1 (de) 1971-02-25

Similar Documents

Publication Publication Date Title
GB1535915A (en) Reproduction of a recorded signal
GB1227168A (enrdf_load_stackoverflow)
ES440872A1 (es) Un aparato para leer un portador de registro.
GB1453444A (en) Video and audio programme recording and reproducing system
GB1266021A (enrdf_load_stackoverflow)
GB1293776A (en) Erasing signals from magnetic discs
GB1091981A (en) A new or improved record disc and play-back apparatus
GB1013349A (en) A device for the magnetic recording of television picture and sound signals
GB1168178A (en) Improvements in Data Retrieval Systems
GB1020747A (en) Improvements in or relating to apparatus for recording and/or reproducing information
GB1522340A (en) Apparatus for recording a video signal
GB1476266A (en) Information recording transport
GB1371228A (en) Magnetic tape recorders
GB1302775A (enrdf_load_stackoverflow)
GB734101A (en) Means for producing dispersion in electrical oscillations
US2977422A (en) Web transport speed control
ES407818A1 (es) Un aparato de registro yno de reproduccion.
ES422358A1 (es) Perfeccionamientos en los aparatos de lectura yno de regis-tro de bandas magneticas.
GB1328014A (en) Method for recording predetermined information duration within pre-set record length
GB935752A (en) Improvements in or relating to variable time delay apparatus
GB1217532A (en) Improvements in or relating to video recording
GB1322651A (en) Method and apparatus for controlling combined optical and sound reproduction system
GB1519642A (en) Information and recording apparatus
ES363595A1 (es) Procedimiento y dispositivo para la creacion de un retraso ajustable de lectura de informacion.
GB1085695A (en) Method for improving the velocity accuracy of a servo control system

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees