DD157847A5 - Schaltungsanordnung zur vorherbestimmbaren automatischen helligkeitsregelung in einem videosignalbildwiedergabesystem - Google Patents

Schaltungsanordnung zur vorherbestimmbaren automatischen helligkeitsregelung in einem videosignalbildwiedergabesystem Download PDF

Info

Publication number: DD157847A5
Authority: DD; German Democratic Republic
Prior art keywords: transistor; circuit; input; emitter; comparison circuit
Prior art date: 1979-01-31

Application number

DD80218770A

Other languages

German (de)

English (en)

Inventor

Leopold A Harwood

Erwin J Wittmann

Ill Robert L Shanley

Original Assignee

Rca Corp

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.)

1979-01-31

Filing date

1980-01-31

Publication date

1982-12-08

1980-01-31 Application filed by Rca Corp filed Critical Rca Corp

1982-12-08 Publication of DD157847A5 publication Critical patent/DD157847A5/de

Links

230000008878 coupling Effects 0.000 claims abstract description 8
238000010168 coupling process Methods 0.000 claims abstract description 8
238000005859 coupling reaction Methods 0.000 claims abstract description 8
238000012545 processing Methods 0.000 claims description 7
235000010678 Paulownia tomentosa Nutrition 0.000 claims 1
240000002834 Paulownia tomentosa Species 0.000 claims 1
230000003252 repetitive effect Effects 0.000 claims 1
239000004065 semiconductor Substances 0.000 claims 1
239000011159 matrix material Substances 0.000 description 6
239000003990 capacitor Substances 0.000 description 5
238000005070 sampling Methods 0.000 description 5
239000000203 mixture Substances 0.000 description 3
230000000694 effects Effects 0.000 description 2
230000000737 periodic effect Effects 0.000 description 2
238000012935 Averaging Methods 0.000 description 1
230000009471 action Effects 0.000 description 1
238000013459 approach Methods 0.000 description 1
238000005513 bias potential Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000000034 method Methods 0.000 description 1
230000003278 mimic effect Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 1
NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
230000008569 process Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1

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
- H04N5/57—Control of contrast or brightness
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
General Health & Medical Sciences (AREA)
Processing Of Color Television Signals (AREA)
Picture Signal Circuits (AREA)
Television Receiver Circuits (AREA)
Transforming Electric Information Into Light Information (AREA)

DD80218770A 1979-01-31 1980-01-31 Schaltungsanordnung zur vorherbestimmbaren automatischen helligkeitsregelung in einem videosignalbildwiedergabesystem DD157847A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/008,050 US4203131A (en)	1979-01-31	1979-01-31	Predictable automatic brightness control circuit in a video signal image reproducing system

Publications (1)

Publication Number	Publication Date
DD157847A5 true DD157847A5 (de)	1982-12-08

Family

ID=21729575

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD80218770A DD157847A5 (de)	1979-01-31	1980-01-31	Schaltungsanordnung zur vorherbestimmbaren automatischen helligkeitsregelung in einem videosignalbildwiedergabesystem

Country Status (18)

Country	Link
US (1)	US4203131A (da)
JP (1)	JPS55104180A (da)
KR (1)	KR830002170B1 (da)
AU (1)	AU533602B2 (da)
BE (1)	BE881450A (da)
CA (1)	CA1135402A (da)
DD (1)	DD157847A5 (da)
DE (1)	DE3003536C2 (da)
DK (1)	DK39680A (da)
ES (1)	ES488076A0 (da)
FI (1)	FI800208A7 (da)
FR (1)	FR2448268B1 (da)
GB (1)	GB2041694B (da)
IT (1)	IT1129575B (da)
MX (1)	MX147999A (da)
NZ (1)	NZ192757A (da)
PL (1)	PL125453B1 (da)
SE (1)	SE8000549L (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6050112B2 (ja) *	1978-11-15	1985-11-06	株式会社日立製作所	色信号出力回路
JPS56104585A (en) *	1980-01-23	1981-08-20	Sony Corp	Automatic luminance adjusting device of picture tube
US4394689A (en) *	1981-07-13	1983-07-19	The United States Of America As Represented By The Secretary Of The Navy	Programmable CRT brightness control
JPS58202605A (ja) *	1982-05-21	1983-11-25	Hitachi Ltd	カスコ−ドアンプ
US4642690A (en) *	1984-08-27	1987-02-10	Rca Corporation	Digital video signal processor with analog level control
US4675726A (en) *	1985-08-14	1987-06-23	Zenith Electronics Corporation	Drive adjustment control for video output stage
US5390020A (en) *	1992-09-14	1995-02-14	Eastman Kodak Company	Video amplifier stabilization for CRT printing
IT1311427B1 (it) *	1999-12-15	2002-03-12	Gd Spa	Pacchetto rigido con coperchio incernierato
JP2018119571A (ja)	2017-01-24	2018-08-02	小倉クラッチ株式会社	電磁連結装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL206643A (da) *	1955-04-29
US3502807A (en) *	1967-03-08	1970-03-24	Rca Corp	Brightness control circuit
US3597540A (en) *	1969-04-01	1971-08-03	Motorola Inc	Automatic brightness control responsive to black level of video signal
US3588341A (en) *	1969-04-01	1971-06-28	Motorola Inc	Automatic brightness control circuit for establishing the black level of signals in a television reciver
US3955047A (en) *	1974-04-16	1976-05-04	Rca Corporation	D.C. reinsertion in video amplifier
DE2507231B1 (de) *	1975-02-20	1976-05-20	Bosch Gmbh Robert	Schaltungsanordnung zur Wiedereinfuehrung des Gleichspannungsanteils in einem Videosignal
US4096518A (en) *	1977-05-05	1978-06-20	Rca Corporation	Average beam current limiter
US4197557A (en) *	1977-05-05	1980-04-08	Rca Corporation	Brightness control circuit employing a closed control loop
US4143398A (en) *	1978-03-22	1979-03-06	Rca Corporation	Automatic brightness control circuit employing a closed control loop stabilized against disruption by large amplitude video signals

1979
- 1979-01-31 US US06/008,050 patent/US4203131A/en not_active Expired - Lifetime
1980
- 1980-01-18 IT IT19315/80A patent/IT1129575B/it active
- 1980-01-23 SE SE8000549A patent/SE8000549L/ not_active Application Discontinuation
- 1980-01-24 FI FI800208A patent/FI800208A7/fi not_active Application Discontinuation
- 1980-01-24 AU AU54921/80A patent/AU533602B2/en not_active Ceased
- 1980-01-28 PL PL1980221637A patent/PL125453B1/pl unknown
- 1980-01-29 CA CA000344639A patent/CA1135402A/en not_active Expired
- 1980-01-29 KR KR1019800000320A patent/KR830002170B1/ko not_active Expired
- 1980-01-29 JP JP990980A patent/JPS55104180A/ja active Pending
- 1980-01-30 DK DK39680A patent/DK39680A/da not_active Application Discontinuation
- 1980-01-30 FR FR8002023A patent/FR2448268B1/fr not_active Expired
- 1980-01-30 BE BE0/199189A patent/BE881450A/fr not_active IP Right Cessation
- 1980-01-30 NZ NZ192757A patent/NZ192757A/xx unknown
- 1980-01-30 GB GB8003179A patent/GB2041694B/en not_active Expired
- 1980-01-30 MX MX181021A patent/MX147999A/es unknown
- 1980-01-31 ES ES488076A patent/ES488076A0/es active Granted
- 1980-01-31 DE DE3003536A patent/DE3003536C2/de not_active Expired
- 1980-01-31 DD DD80218770A patent/DD157847A5/de unknown

Also Published As

Publication number	Publication date
ES8100589A1 (es)	1980-11-01
IT1129575B (it)	1986-06-11
DE3003536A1 (de)	1980-08-14
BE881450A (fr)	1980-05-16
KR830002170B1 (ko)	1983-10-17
KR830002472A (ko)	1983-05-28
MX147999A (es)	1983-02-22
IT8019315A0 (it)	1980-01-18
FR2448268B1 (fr)	1985-05-31
US4203131A (en)	1980-05-13
DK39680A (da)	1980-08-01
ES488076A0 (es)	1980-11-01
SE8000549L (sv)	1980-08-01
AU5492180A (en)	1980-08-07
AU533602B2 (en)	1983-12-01
FI800208A7 (fi)	1981-01-01
GB2041694A (en)	1980-09-10
JPS55104180A (en)	1980-08-09
PL125453B1 (en)	1983-05-31
GB2041694B (en)	1983-04-13
NZ192757A (en)	1983-09-30
CA1135402A (en)	1982-11-09
PL221637A1 (da)	1980-11-03
DE3003536C2 (de)	1985-06-27
FR2448268A1 (fr)	1980-08-29

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