BE732540A - - Google Patents

Info

Publication number: BE732540A
Authority: BE; Belgium

Application number

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.)

1968-05-06

Filing date

1969-05-05

Publication date

1969-10-16

1969-05-05 Application filed filed Critical

1969-10-16 Publication of BE732540A publication Critical patent/BE732540A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
- H04N9/88—Signal drop-out compensation
- H04N9/882—Signal drop-out compensation the signal being a composite colour television signal
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/932—Regeneration of analogue synchronisation signals

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Television Signal Processing For Recording (AREA)
Control Of Velocity Or Acceleration (AREA)
Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

BE732540D 1968-05-06 1969-05-05 BE732540A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US72686768A	1968-05-06	1968-05-06

Publications (1)

Publication Number	Publication Date
BE732540A true BE732540A (xx)	1969-10-16

Family

ID=24920334

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE732540D BE732540A (xx)	1968-05-06	1969-05-05

Country Status (6)

Country	Link
US (1)	US3573359A (xx)
JP (2)	JPS5128212B1 (xx)
BE (1)	BE732540A (xx)
DE (1)	DE1923111B2 (xx)
FR (1)	FR2049039B1 (xx)
GB (2)	GB1216623A (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL6811420A (xx) *	1968-08-09	1970-02-11
AT312716B (de) *	1969-08-20	1974-01-10	Bosch Fernsehanlagen	Verfahren zur Verzögerung mehrerer breitbandiger elektrischer Signale, insbesondere von Fernsehsignalen, und Verzögerungs-Einrichtung zur Durchführung dieses Verfahrens
JPS5094827A (xx) *	1973-12-22	1975-07-28
JPS582625B2 (ja) *	1978-08-31	1983-01-18	ティーディーケイ株式会社	ドロップアウト位置マ−キング装置
JPS5558868A (en) *	1978-10-21	1980-05-01	Takeshi Harada	Video reproducing unit
JPS55107388A (en) *	1979-02-13	1980-08-18	Olympus Optical Co Ltd	Synchronizing signal separation system
US4334247A (en) *	1980-06-26	1982-06-08	Spin Physics, Inc.	Apparatus useful for converting asynchronous video information to synchronous video information
CA1157939A (en) *	1980-07-14	1983-11-29	Yoshizumi Watatani	Noise elimination circuit in a magnetic recording and reproducing apparatus
US4387407A (en) *	1981-08-27	1983-06-07	Rca Corporation	Video disc player having auxiliary vertical synchronizing generator
DE3142272A1 (de) *	1981-10-24	1983-05-05	Philips Patentverwaltung Gmbh, 2000 Hamburg	Schaltungsanordnung zur erzeugung der vertikal-synchronisierinformation in einem video-magnetbandgeraet
CA1212729A (en) *	1981-12-08	1986-10-14	Hiroshi Ogawa	Digital signal detecting and compensating circuit with adjustable window signal
DE3233389A1 (de) *	1982-09-09	1984-08-02	Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover	Schaltung zur verringerung von kopfwechselstoerungen in einem recorder
WO1984001253A1 (en) *	1982-09-17	1984-03-29	Ampex	Method and apparatus for producing an artificial vertical synchronizing signal for video tape recording
US4677484A (en) *	1985-05-10	1987-06-30	Rca Corporation	Stabilizing arrangement for on-screen display
US6688888B1 (en) *	1996-03-19	2004-02-10	Chi Fai Ho	Computer-aided learning system and method
US5944530A (en)	1996-08-13	1999-08-31	Ho; Chi Fai	Learning method and system that consider a student's concentration level
USRE38432E1 (en)	1998-01-29	2004-02-24	Ho Chi Fai	Computer-aided group-learning methods and systems
US6398556B1 (en) *	1998-07-06	2002-06-04	Chi Fai Ho	Inexpensive computer-aided learning methods and apparatus for learners
US9792659B2 (en) *	1999-04-13	2017-10-17	Iplearn, Llc	Computer-aided methods and apparatus to access materials in a network environment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2854526A (en) *	1955-02-10	1958-09-30	Rca Corp	Magnetic recording
US2944108A (en) *	1958-03-27	1960-07-05	Rca Corp	Television synchronizing system
FR1280143A (fr) *	1959-11-30	1961-12-29	Tokyo Shibaura Electric Co	Dispositifs de lecture d'enregistrements magnétiques de signaux de télévision
US3322892A (en) *	1962-12-27	1967-05-30	Matsushita Electric Ind Co Ltd	Television signal recording and reproducing with sync signal regeneration
US3356921A (en) *	1964-04-24	1967-12-05	Minnesota Mining & Mfg	Motor control circuit with compensation for dropout of control signals
US3383463A (en) *	1964-08-17	1968-05-14	Machtronics Inc	Signal processing for reproducing magnetically recorded television signals
FR1441798A (fr) *	1965-05-11	1966-06-10	Ampex	Dispositif régulateur de tension mécanique pour appareils d'enregistrement à large bande passante
US3408457A (en) *	1965-06-23	1968-10-29	Ampex	Clamped video dropout compensator

1968
- 1968-05-06 US US726867A patent/US3573359A/en not_active Expired - Lifetime
1969
- 1969-05-05 BE BE732540D patent/BE732540A/xx not_active IP Right Cessation
- 1969-05-05 GB GB22832/69A patent/GB1216623A/en not_active Expired
- 1969-05-05 GB GB636/70A patent/GB1216624A/en not_active Expired
- 1969-05-06 DE DE19691923111 patent/DE1923111B2/de active Pending
- 1969-05-06 FR FR6914455A patent/FR2049039B1/fr not_active Expired
1972
- 1972-09-27 JP JP47096240A patent/JPS5128212B1/ja active Pending
- 1972-09-27 JP JP47096239A patent/JPS5128211B1/ja active Pending

Also Published As

Publication number	Publication date
DE1923111A1 (de)	1969-11-27
GB1216624A (en)	1970-12-23
DE1923111B2 (de)	1971-06-24
JPS5128212B1 (xx)	1976-08-18
FR2049039B1 (xx)	1976-06-18
FR2049039A1 (xx)	1971-03-26
JPS5128211B1 (xx)	1976-08-18
US3573359A (en)	1971-04-06
GB1216623A (en)	1970-12-23

Publication	Publication Date	Title
AU1946070A (xx)	1972-05-09
AU5506869A (xx)	1970-11-26
AU2374870A (xx)	1972-06-29
FR2049039B1 (xx)	1976-06-18
AU5184069A (xx)	1970-07-17
AU429879B2 (xx)	1972-11-09
AU4304568A (xx)	1971-02-25
AU2581067A (xx)	1970-02-19
AU4811568A (xx)	1974-08-01
AU2580267A (xx)	1970-02-05
AR203075Q (xx)	1975-08-14
AU4744468A (xx)	1970-06-18
BE709484A (xx)	1968-05-30
BE709320A (xx)	1968-05-16
BE716398A (xx)	1968-12-11
BE725627A (xx)	1969-05-29
BE709496A (xx)	1968-07-17
BE726303A (xx)	1969-05-29
AU463027A (xx)	1971-03-04
BE709301A (xx)	1968-07-12
BE709319A (xx)	1968-05-16
BE726887A (xx)	1969-06-16
AU4558658A (xx)	1970-05-07
BE709446A (xx)	1968-05-30
BE709435A (xx)	1968-07-16

Legal Events

Date	Code	Title	Description
1989-01-01	RE20	Patent expired	Owner name: AMPEX CORP. Effective date: 19890505

Date

Code

Title

Description

1989-01-01

RE20

Patent expired

Owner name: AMPEX CORP.

Effective date: 19890505