GB1430939A - Recording of information - Google Patents

Recording of information

Info

Publication number
GB1430939A
GB1430939A GB4175272A GB4175272A GB1430939A GB 1430939 A GB1430939 A GB 1430939A GB 4175272 A GB4175272 A GB 4175272A GB 4175272 A GB4175272 A GB 4175272A GB 1430939 A GB1430939 A GB 1430939A
Authority
GB
United Kingdom
Prior art keywords
signals
video signal
recording
tape
gun
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
GB4175272A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Priority to GB4175272A priority Critical patent/GB1430939A/en
Priority to AU59687/73A priority patent/AU475341B2/en
Publication of GB1430939A publication Critical patent/GB1430939A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/80—Television signal recording using electrostatic recording
    • H04N5/82—Television signal recording using electrostatic recording using deformable thermoplastic recording medium

Abstract

1430939 Recording video signals MARCONI CO Ltd 27 July 1973 41752/72 Heading G5R In apparatus for recording a video signal and two associated audio signals, the audio signals are stored during recording of each video signal field and then recorded during the following field interval. The video signal is sampled and converted to a digital signal which is applied directly from terminal 1 to a fine electron gun 2 where it modulates the gun beam to record each frame of the video signal in band A of thermoplastic tape 4. During each frame the audio signals, similarly converted, are separately applied to terminals 5 and 6 and stored in digital stores 7, 8. Clock signals synchronized to the correct portion of the field blocking period read the signals out of the stores at an increased speed and these are recorded by the gun 2 in bands B and C respectively of the tape. A course electron gun 10 records cue and control signals in bands D and E respectively of the tape.
GB4175272A 1972-09-08 1972-09-08 Recording of information Expired GB1430939A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4175272A GB1430939A (en) 1972-09-08 1972-09-08 Recording of information
AU59687/73A AU475341B2 (en) 1972-09-08 1973-08-28 Improvements in or relating to the recording of information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4175272A GB1430939A (en) 1972-09-08 1972-09-08 Recording of information

Publications (1)

Publication Number Publication Date
GB1430939A true GB1430939A (en) 1976-04-07

Family

ID=10421222

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4175272A Expired GB1430939A (en) 1972-09-08 1972-09-08 Recording of information

Country Status (2)

Country Link
AU (1) AU475341B2 (en)
GB (1) GB1430939A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458193A1 (en) * 1979-05-30 1980-12-26 Bosch Gmbh Robert METHOD FOR STORING DIGITAL COLOR TELEVISION SIGNALS
GB2122406A (en) * 1979-09-10 1984-01-11 Mc Donnell Douglas Corp Storing and reproducing video and audio information

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458193A1 (en) * 1979-05-30 1980-12-26 Bosch Gmbh Robert METHOD FOR STORING DIGITAL COLOR TELEVISION SIGNALS
GB2122406A (en) * 1979-09-10 1984-01-11 Mc Donnell Douglas Corp Storing and reproducing video and audio information

Also Published As

Publication number Publication date
AU475341B2 (en) 1976-08-19
AU5968773A (en) 1975-03-06

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee