FR697932A - Improvements in television and telecine devices - Google Patents

Improvements in television and telecine devices

Info

Publication number: FR697932A
Authority: FR; France
Prior art keywords: television; telecine devices; telecine; devices
Prior art date: 1929-09-25
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

French (fr)

Inventor

R Barthelemy

J Le Duc

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.)

Compteurs Schlumberger SA

Original Assignee

Compteurs Schlumberger SA

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.)

1929-09-25

Filing date

1929-09-25

Publication date

1931-01-23

1929-09-25 Application filed by Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA

1931-01-23 Application granted granted Critical

1931-01-23 Publication of FR697932A publication Critical patent/FR697932A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
- H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
- H04N3/34—Elemental scanning area oscillated rapidly in direction transverse to main scanning direction

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Transforming Light Signals Into Electric Signals (AREA)
Facsimiles In General (AREA)
Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Optical Communication System (AREA)
Synchronisation In Digital Transmission Systems (AREA)

FR697932D 1929-09-25 1929-09-25 Improvements in television and telecine devices Expired FR697932A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR1928553X		1929-09-25

Publications (1)

Publication Number	Publication Date
FR697932A true FR697932A (en)	1931-01-23

Family

ID=9682313

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR697932D Expired FR697932A (en)	1929-09-25	1929-09-25	Improvements in television and telecine devices
FR46726D Expired FR46726E (en)	1929-09-25	1935-04-12	Improvements in television and telecine devices

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR46726D Expired FR46726E (en)	1929-09-25	1935-04-12	Improvements in television and telecine devices

Country Status (5)

Country	Link
US (1)	US1928553A (en)
BE (2)	BE371729A (en)
DE (1)	DE694830C (en)
FR (2)	FR697932A (en)
GB (2)	GB354572A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2804848A (en) *	1954-09-30	1957-09-03	Chicago Pneumatic Tool Co	Drilling apparatus

0
- BE BE414981D patent/BE414981A/xx unknown
1929
- 1929-09-25 FR FR697932D patent/FR697932A/en not_active Expired
1930
- 1930-07-05 BE BE371729D patent/BE371729A/xx unknown
- 1930-08-28 GB GB25761/30A patent/GB354572A/en not_active Expired
- 1930-09-12 US US481493A patent/US1928553A/en not_active Expired - Lifetime
1935
- 1935-04-12 FR FR46726D patent/FR46726E/en not_active Expired
1936
- 1936-04-14 GB GB10765/36A patent/GB471825A/en not_active Expired
- 1936-04-15 DE DE1936C0051546 patent/DE694830C/en not_active Expired

Also Published As

Publication number	Publication date
FR46726E (en)	1936-08-10
US1928553A (en)	1933-09-26
BE371729A (en)	1930-08-30
DE694830C (en)	1940-08-09
BE414981A (en)
GB354572A (en)	1931-08-13
GB471825A (en)	1937-09-13

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