DK117582A - Fremgangsmaade og apparat til fjernelse af ubehag-foraarsagende - Google Patents

Fremgangsmaade og apparat til fjernelse af ubehag-foraarsagende Download PDF

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Publication number
DK117582A
DK117582A DK117582A DK117582A DK117582A DK 117582 A DK117582 A DK 117582A DK 117582 A DK117582 A DK 117582A DK 117582 A DK117582 A DK 117582A DK 117582 A DK117582 A DK 117582A
Authority
DK
Denmark
Prior art keywords
pct
disability
removal
procedure
sec
Prior art date
Application number
DK117582A
Other languages
English (en)
Inventor
R Gajecki
Original Assignee
Aos Metall Mek Verk
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20341457&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK117582(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Aos Metall Mek Verk filed Critical Aos Metall Mek Verk
Publication of DK117582A publication Critical patent/DK117582A/da

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency AC, or with separate oscillator frequency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • X-Ray Techniques (AREA)
  • Studio Devices (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Endoscopes (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Electrotherapy Devices (AREA)
  • Prostheses (AREA)
DK117582A 1980-07-18 1982-03-17 Fremgangsmaade og apparat til fjernelse af ubehag-foraarsagende DK117582A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8005271A SE418775B (sv) 1980-07-18 1980-07-18 Sett och anordning for att eliminera obehag fororsakande flimmer vid betraktande av rontgenfilm i ljusskap
PCT/SE1981/000190 WO1982000367A1 (en) 1980-07-18 1981-06-26 A method of eliminating discomforting flickering when viewing x-ray film in a light cabinet,and a flicker-eliminating unit for use in a light cabinet

Publications (1)

Publication Number Publication Date
DK117582A true DK117582A (da) 1982-03-17

Family

ID=20341457

Family Applications (1)

Application Number Title Priority Date Filing Date
DK117582A DK117582A (da) 1980-07-18 1982-03-17 Fremgangsmaade og apparat til fjernelse af ubehag-foraarsagende

Country Status (9)

Country Link
US (1) US4508995A (da)
EP (1) EP0069121B1 (da)
AT (1) ATE17611T1 (da)
AU (1) AU542514B2 (da)
DE (1) DE3173553D1 (da)
DK (1) DK117582A (da)
NO (1) NO820756L (da)
SE (1) SE418775B (da)
WO (1) WO1982000367A1 (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870327A (en) * 1987-07-27 1989-09-26 Avtech Corporation High frequency, electronic fluorescent lamp ballast
GB8822195D0 (en) * 1988-09-21 1988-10-26 W J Parry Nottm Ltd Improvements in/related to electronic ballast circuits
GB2224608A (en) * 1988-10-25 1990-05-09 Kenneth Alan Morecroft Discharge lamp operating circuit; revitalising dry batteries
DE4412779A1 (de) * 1994-04-18 1995-10-19 Abb Patent Gmbh Schaltungsanordnung zur Steuerung eines elektronischen Vorschaltgerätes für Leuchtstofflampen
US5528111A (en) * 1994-12-02 1996-06-18 Motorola, Inc. Ballast circuit for powering gas discharge lamp
BE1024604B1 (fr) 2016-09-26 2018-04-25 Patrick Moutschen Element de construction allonge creux

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2193298B3 (da) * 1972-07-14 1976-07-02 Thorn Electrical Ind Ltd
US3969652A (en) * 1974-01-04 1976-07-13 General Electric Company Electronic ballast for gaseous discharge lamps
US3999100A (en) * 1975-05-19 1976-12-21 Morton B. Leskin Lamp power supply using a switching regulator and commutator
US4042856A (en) * 1975-10-28 1977-08-16 General Electric Company Chopper ballast for gaseous discharge lamps with auxiliary capacitor energy storage
US4170746A (en) * 1977-12-27 1979-10-09 General Electric Company High frequency operation of miniature metal vapor discharge lamps
US4240009A (en) * 1978-02-27 1980-12-16 Paul Jon D Electronic ballast
US4277728A (en) * 1978-05-08 1981-07-07 Stevens Luminoptics Power supply for a high intensity discharge or fluorescent lamp
US4188661A (en) * 1979-02-23 1980-02-12 Gte Sylvania Incorporated Direct drive ballast with starting circuit
JPS575293A (en) * 1980-06-12 1982-01-12 Matsushita Electric Industrial Co Ltd Device for firing high voltage discharge lamp
US4388562A (en) * 1980-11-06 1983-06-14 Astec Components, Ltd. Electronic ballast circuit

Also Published As

Publication number Publication date
EP0069121A1 (en) 1983-01-12
AU7325781A (en) 1982-02-16
SE8005271L (sv) 1981-06-22
ATE17611T1 (de) 1986-02-15
EP0069121B1 (en) 1986-01-22
DE3173553D1 (en) 1986-03-06
NO820756L (no) 1982-03-10
AU542514B2 (en) 1985-02-21
SE418775B (sv) 1981-06-22
US4508995A (en) 1985-04-02
WO1982000367A1 (en) 1982-02-04

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment