BR7306701D0 - APPLIANCE TO READ A REGISTRATION CARRIER IN WHICH INFORMATION, FOR EXAMPLE VIDEO AND / OR AUDIO, IS RECORDED AT LEAST ONE TRACK - Google Patents

APPLIANCE TO READ A REGISTRATION CARRIER IN WHICH INFORMATION, FOR EXAMPLE VIDEO AND / OR AUDIO, IS RECORDED AT LEAST ONE TRACK

Info

Publication number
BR7306701D0
BR7306701D0 BR6701/73A BR670173A BR7306701D0 BR 7306701 D0 BR7306701 D0 BR 7306701D0 BR 6701/73 A BR6701/73 A BR 6701/73A BR 670173 A BR670173 A BR 670173A BR 7306701 D0 BR7306701 D0 BR 7306701D0
Authority
BR
Brazil
Prior art keywords
appliance
audio
track
recorded
read
Prior art date
Application number
BR6701/73A
Other languages
Portuguese (pt)
Inventor
G Bouwhuis
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
Publication of BR7306701D0 publication Critical patent/BR7306701D0/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
BR6701/73A 1972-09-02 1973-08-30 APPLIANCE TO READ A REGISTRATION CARRIER IN WHICH INFORMATION, FOR EXAMPLE VIDEO AND / OR AUDIO, IS RECORDED AT LEAST ONE TRACK BR7306701D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7211996A NL7211996A (en) 1972-09-02 1972-09-02

Publications (1)

Publication Number Publication Date
BR7306701D0 true BR7306701D0 (en) 1974-07-25

Family

ID=19816846

Family Applications (1)

Application Number Title Priority Date Filing Date
BR6701/73A BR7306701D0 (en) 1972-09-02 1973-08-30 APPLIANCE TO READ A REGISTRATION CARRIER IN WHICH INFORMATION, FOR EXAMPLE VIDEO AND / OR AUDIO, IS RECORDED AT LEAST ONE TRACK

Country Status (3)

Country Link
BR (1) BR7306701D0 (en)
NL (1) NL7211996A (en)
ZA (1) ZA734634B (en)

Also Published As

Publication number Publication date
NL7211996A (en) 1974-03-05
ZA734634B (en) 1975-02-26

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