FR678256A - Système de transmission électro-optique - Google Patents

Système de transmission électro-optique

Info

Publication number
FR678256A
FR678256A FR678256DA FR678256A FR 678256 A FR678256 A FR 678256A FR 678256D A FR678256D A FR 678256DA FR 678256 A FR678256 A FR 678256A
Authority
FR
France
Prior art keywords
electro
transmission system
optical transmission
optical
transmission
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)
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR678256A publication Critical patent/FR678256A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/06—Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier
    • H04N7/063—Simultaneous transmission of separate parts of one picture
FR678256D 1928-07-11 1929-07-10 Système de transmission électro-optique Expired FR678256A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US291744A US1989618A (en) 1928-07-11 1928-07-11 Electrooptical transmission

Publications (1)

Publication Number Publication Date
FR678256A true FR678256A (fr) 1930-03-20

Family

ID=23121648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678256D Expired FR678256A (fr) 1928-07-11 1929-07-10 Système de transmission électro-optique

Country Status (4)

Country Link
US (1) US1989618A (fr)
DE (1) DE575553C (fr)
FR (1) FR678256A (fr)
GB (1) GB315308A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953638A (en) * 1957-12-30 1960-09-20 Bell Telephone Labor Inc Multiple beam scanning system

Also Published As

Publication number Publication date
DE575553C (de) 1933-04-29
GB315308A (en) 1930-10-03
US1989618A (en) 1935-01-29

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