FR819408A - Method for synchronizing the vertical scan return in television - Google Patents

Method for synchronizing the vertical scan return in television

Info

Publication number: FR819408A
Authority: FR; France
Prior art keywords: synchronizing; television; vertical scan; scan return; return
Prior art date: 1936-03-20
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

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.)

Telefunken AG

Original Assignee

Telefunken AG

Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH

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.)

1936-03-20

Filing date

1937-03-19

Publication date

1937-10-20

1937-03-19 Application filed by Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG

1937-10-20 Application granted granted Critical

1937-10-20 Publication of FR819408A publication Critical patent/FR819408A/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
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4446—IF amplifier circuits specially adapted for B&W TV
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
- H03D1/16—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of discharge tubes
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
- H04N5/10—Separation of line synchronising signal from frame synchronising signal or vice versa
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/455—Demodulation-circuits

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Power Engineering (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Picture Signal Circuits (AREA)
Circuits Of Receivers In General (AREA)

FR819408D 1936-03-20 1937-03-19 Method for synchronizing the vertical scan return in television Expired FR819408A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DER95858D DE730998C (en)	1936-03-20	1936-03-20	Television receiving circuitry

Publications (1)

Publication Number	Publication Date
FR819408A true FR819408A (en)	1937-10-20

Family

ID=25944618

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR819408D Expired FR819408A (en)	1936-03-20	1937-03-19	Method for synchronizing the vertical scan return in television
FR819404D Expired FR819404A (en)	1936-03-20	1937-03-19	Straightening device for television signs

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR819404D Expired FR819404A (en)	1936-03-20	1937-03-19	Straightening device for television signs

Country Status (5)

Country	Link
US (1)	US2201794A (en)
DE (1)	DE730998C (en)
FR (2)	FR819408A (en)
GB (2)	GB490676A (en)
NL (1)	NL49860C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2458365A (en) *	1946-09-11	1949-01-04	Motorola Inc	Television receiver
US3911317A (en) *	1973-08-24	1975-10-07	Bell Telephone Labor Inc	Current bootstrap to reduce interelectrode capacitance effect in a vacuum tube

1936
- 1936-03-20 DE DER95858D patent/DE730998C/en not_active Expired
1937
- 1937-02-15 GB GB4541/37A patent/GB490676A/en not_active Expired
- 1937-03-13 US US130718A patent/US2201794A/en not_active Expired - Lifetime
- 1937-03-16 GB GB7680/37A patent/GB492337A/en not_active Expired
- 1937-03-19 FR FR819408D patent/FR819408A/en not_active Expired
- 1937-03-19 FR FR819404D patent/FR819404A/en not_active Expired
- 1937-03-20 NL NL81751A patent/NL49860C/xx active

Also Published As

Publication number	Publication date
DE730998C (en)	1943-01-30
NL49860C (en)	1941-02-15
GB490676A (en)	1938-08-15
GB492337A (en)	1938-09-16
FR819404A (en)	1937-10-19
US2201794A (en)	1940-05-21

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