FR2224952B1 - - Google Patents

Info

Publication number: FR2224952B1
Authority: FR; France
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

FR7412257A

Other versions

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1973-04-09

Filing date

1974-04-08

Publication date

1981-06-12

1974-04-08 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1974-10-31 Publication of FR2224952A1 publication Critical patent/FR2224952A1/fr

1981-06-12 Application granted granted Critical

1981-06-12 Publication of FR2224952B1 publication Critical patent/FR2224952B1/fr

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/60—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor
- H03K4/69—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as an amplifier
- H03K4/696—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth current is produced through an inductor using a semiconductor device operating as an amplifier using means for reducing power dissipation or for shortening the flyback time, e.g. applying a higher voltage during flyback time

FR7412257A 1973-04-09 1974-04-08 Expired FR2224952B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7304886A NL7304886A (fr)	1973-04-09	1973-04-09

Publications (2)

Publication Number	Publication Date
FR2224952A1 FR2224952A1 (fr)	1974-10-31
FR2224952B1 true FR2224952B1 (fr)	1981-06-12

Family

ID=19818594

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7412257A Expired FR2224952B1 (fr)	1973-04-09	1974-04-08

Country Status (10)

Country	Link
US (1)	US3934173A (fr)
JP (1)	JPS5438848B2 (fr)
AT (1)	AT331872B (fr)
BR (1)	BR7402791D0 (fr)
CA (1)	CA1006273A (fr)
DE (1)	DE2416059C3 (fr)
FR (1)	FR2224952B1 (fr)
GB (1)	GB1466338A (fr)
IT (1)	IT1010902B (fr)
NL (1)	NL7304886A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5157197A (en) *	1974-11-13	1976-05-19	Omron Tateisi Electronics Co	Sharyono jutaigeninno shikibetsuhoshiki
US3983450A (en) *	1975-02-26	1976-09-28	Zenith Radio Corporation	Low level pincushion correction system with a dual impedance yoke
US4164688A (en) *	1976-10-04	1979-08-14	The Solartron Electronic Group Limited	Deflection amplifier
US4323826A (en) *	1978-04-17	1982-04-06	Cpt Corporation	Drive circuits for a high resolution cathode ray tube display
US4499457A (en) *	1978-10-05	1985-02-12	Evans & Sutherland Computer Corp.	Shadow mask color system with calligraphic displays
GB2090507B (en) *	1980-12-31	1984-07-18	Mars Ltd	Cathode ray tube display device
US4635062A (en) *	1982-03-01	1987-01-06	Raytheon Company	Transceiver element for phased array antenna
US4502027A (en) *	1982-03-01	1985-02-26	Raytheon Company	Bidirectional switch
GB2115984B (en) *	1982-03-01	1986-09-24	Raytheon Co	Transceiver element
US4631454A (en) *	1985-03-25	1986-12-23	Ballard Paul T	Quasi-resonant random access deflection system for a calligraphic display monitor
US4683387A (en) *	1985-12-03	1987-07-28	The United States Of America As Represented By The Secretary Of The Air Force	Quadrature switch apparatus for multi mode phase shift drivers
IT1215501B (it) *	1987-05-18	1990-02-14	Sgs Microelettronica Spa	Circuito a ponte a transistori moscon ricircolo veloce di corrente abassa diddipazione.
US7891818B2 (en) *	2006-12-12	2011-02-22	Evans & Sutherland Computer Corporation	System and method for aligning RGB light in a single modulator projector
US20080259988A1 (en) *	2007-01-19	2008-10-23	Evans & Sutherland Computer Corporation	Optical actuator with improved response time and method of making the same
US20090002644A1 (en) *	2007-05-21	2009-01-01	Evans & Sutherland Computer Corporation	Invisible scanning safety system
WO2009033122A1 (fr) *	2007-09-07	2009-03-12	Evans & Sutherland Computer Corporation	Dispositif et procédé pour réduire l'étendue optique dans un laser à diode
US20090219491A1 (en) *	2007-10-18	2009-09-03	Evans & Sutherland Computer Corporation	Method of combining multiple Gaussian beams for efficient uniform illumination of one-dimensional light modulators
US8358317B2 (en) *	2008-05-23	2013-01-22	Evans & Sutherland Computer Corporation	System and method for displaying a planar image on a curved surface
US8702248B1 (en)	2008-06-11	2014-04-22	Evans & Sutherland Computer Corporation	Projection method for reducing interpixel gaps on a viewing surface
US8077378B1 (en)	2008-11-12	2011-12-13	Evans & Sutherland Computer Corporation	Calibration system and method for light modulation device
US9641826B1 (en)	2011-10-06	2017-05-02	Evans & Sutherland Computer Corporation	System and method for displaying distant 3-D stereo on a dome surface

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2760109A (en) *	1952-12-26	1956-08-21	Rca Corp	Kinescope deflection circuits
NL238243A (fr) *	1958-04-17
NL7108609A (fr) *	1970-06-25	1971-12-28
DE2162881A1 (de) *	1971-12-17	1973-06-20	Blaupunkt Werke Gmbh	Niederspannungs-versorgungsschaltung fuer ein fernsehempfangsgeraet

1973
- 1973-04-09 NL NL7304886A patent/NL7304886A/xx not_active Application Discontinuation
1974
- 1974-04-03 DE DE2416059A patent/DE2416059C3/de not_active Expired
- 1974-04-03 IT IT42635/74A patent/IT1010902B/it active
- 1974-04-03 US US05/457,563 patent/US3934173A/en not_active Expired - Lifetime
- 1974-04-04 CA CA196,784A patent/CA1006273A/en not_active Expired
- 1974-04-05 GB GB1513374A patent/GB1466338A/en not_active Expired
- 1974-04-06 JP JP3849374A patent/JPS5438848B2/ja not_active Expired
- 1974-04-08 FR FR7412257A patent/FR2224952B1/fr not_active Expired
- 1974-04-08 BR BR2791/74A patent/BR7402791D0/pt unknown
- 1974-04-09 AT AT296874A patent/AT331872B/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPS49131625A (fr)	1974-12-17
DE2416059A1 (de)	1974-10-24
AU6765574A (en)	1975-10-09
NL7304886A (fr)	1974-10-11
DE2416059C3 (de)	1982-03-04
FR2224952A1 (fr)	1974-10-31
JPS5438848B2 (fr)	1979-11-24
DE2416059B2 (de)	1981-06-25
AT331872B (de)	1976-08-25
GB1466338A (en)	1977-03-09
IT1010902B (it)	1977-01-20
ATA296874A (de)	1975-12-15
US3934173A (en)	1976-01-20
BR7402791D0 (pt)	1974-11-05
CA1006273A (en)	1977-03-01

Legal Events

Date	Code	Title	Description
1988-02-26	ST	Notification of lapse

Publication	Publication Date	Title
AR201758A1 (fr)	1975-04-15
AU476761B2 (fr)	1976-09-30
AU465372B2 (fr)	1975-09-25
AR201235Q (fr)	1975-02-21
AR201231Q (fr)	1975-02-21
AU474593B2 (fr)	1976-07-29
AU474511B2 (fr)	1976-07-22
AU474838B2 (fr)	1976-08-05
JPS49131625A (fr)	1974-12-17
AU465453B2 (fr)	1975-09-25
AU471343B2 (fr)	1976-04-15
AU465434B2 (fr)	1975-09-25
AU450229B2 (fr)	1974-07-04
AU476714B2 (fr)	1976-09-30
AR201229Q (fr)	1975-02-21
AU466283B2 (fr)	1975-10-23
AU472848B2 (fr)	1976-06-03
AU476696B2 (fr)	1976-09-30
AU477823B2 (fr)	1975-06-19
AR200885A1 (fr)	1974-12-27
AR196382A1 (fr)	1973-12-18
AU477824B2 (fr)	1975-07-17
AR200256A1 (fr)	1974-10-31
AR193950A1 (fr)	1973-05-31
AU447540B2 (fr)	1974-03-25