AU4649072A - Photoflash lamps - Google Patents

Photoflash lamps

Info

Publication number: AU4649072A
Authority: AU; Australia
Prior art keywords: photoflash lamps; photoflash; lamps
Prior art date: 1971-09-09
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

AU46490/72A

Inventor

Donald E Armstrong

David R Broadt

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.)

GTE Sylvania Inc

Original Assignee

GTE Sylvania Inc

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.)

1971-09-09

Filing date

1972-09-08

Publication date

1974-03-14

1972-09-08 Application filed by GTE Sylvania Inc filed Critical GTE Sylvania Inc

1974-03-14 Publication of AU4649072A publication Critical patent/AU4649072A/en

Status Expired legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
- G03B15/0478—Combinations of photographic apparatus with percussion type flash ignition systems
- G03B15/0484—Constructional details of the flash apparatus
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
- F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
- F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
- F21K5/023—Ignition devices in photo flash bulbs

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Vessels And Coating Films For Discharge Lamps (AREA)
Luminescent Compositions (AREA)

AU46490/72A 1971-09-09 1972-09-08 Photoflash lamps Expired AU4649072A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US179056A US3895902A (en)	1971-09-09	1971-09-09	Photoflash lamp

Publications (1)

Publication Number	Publication Date
AU4649072A true AU4649072A (en)	1974-03-14

Family

ID=22655050

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU46490/72A Expired AU4649072A (en)	1971-09-09	1972-09-08	Photoflash lamps

Country Status (8)

Country	Link
US (1)	US3895902A (en)
JP (1)	JPS5441204B2 (en)
AU (1)	AU4649072A (en)
BE (1)	BE788531A (en)
CA (1)	CA975572A (en)
DE (1)	DE2244182A1 (en)
GB (1)	GB1401314A (en)
ZA (1)	ZA726043B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4217089A (en) *	1975-02-03	1980-08-12	Gte Products Corporation	Photoflash lamp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2857752A (en) *	1954-04-07	1958-10-28	Gen Electric	Flash lamp
US2982119A (en) *	1959-04-27	1961-05-02	Gen Electric	Flash lamp
DE1189852B (en) *	1962-02-09	1965-03-25	Patra Patent Treuhand	Electric flash lamps and processes for their manufacture

0
- BE BE788531D patent/BE788531A/en not_active IP Right Cessation
1971
- 1971-09-09 US US179056A patent/US3895902A/en not_active Expired - Lifetime
1972
- 1972-08-31 GB GB4046372A patent/GB1401314A/en not_active Expired
- 1972-08-31 JP JP8674772A patent/JPS5441204B2/ja not_active Expired
- 1972-09-05 CA CA150,900A patent/CA975572A/en not_active Expired
- 1972-09-05 ZA ZA726043A patent/ZA726043B/en unknown
- 1972-09-08 AU AU46490/72A patent/AU4649072A/en not_active Expired
- 1972-09-08 DE DE2244182A patent/DE2244182A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
JPS5441204B2 (en)	1979-12-07
DE2244182A1 (en)	1973-03-15
GB1401314A (en)	1975-07-16
JPS4857625A (en)	1973-08-13
CA975572A (en)	1975-10-07
ZA726043B (en)	1973-07-25
US3895902A (en)	1975-07-22
BE788531A (en)	1973-03-08

Publication	Publication Date	Title
JPS53105077A (en)	1978-09-12	Lamp socket
MY7400178A (en)	1974-12-31	Fluorescent lamps
CA945622A (en)	1974-04-16	Flash lighting arrangement
ZA724522B (en)	1973-03-28	Shatter-resistant incandescent lamp
ZA723714B (en)	1973-04-25	Improved lamp constructions
HK30176A (en)	1976-05-28	Chemiluminescent light device
ZA707752B (en)	1971-08-25	Photoflash lamp
GB1403754A (en)	1975-08-28	Lamp device
GB1401641A (en)	1975-07-16	Lighting apparatus
JPS5313575A (en)	1978-02-07	Fluorescent lamp
GB1403908A (en)	1975-08-28	Lamp shade
CA960477A (en)	1975-01-07	Photoflash lamp
ZA717952B (en)	1972-09-27	Photoflash lamp
AU4649072A (en)	1974-03-14	Photoflash lamps
CA960054A (en)	1974-12-31	Photoflash lamps
AU3713771A (en)	1973-06-28	Improved photoflash lamps
ZA721188B (en)	1972-10-25	Light fixture
ZA708489B (en)	1971-09-29	Photoflash lamp
CA888838A (en)	1971-12-21	Photoflash lamp
CA880425A (en)	1971-09-07	Photoflash lamp
CA880424A (en)	1971-09-07	Photoflash lamp
CA875653A (en)	1971-07-13	Photoflash lamp
CA875473A (en)	1971-07-13	Photoflash lamp
CA875472A (en)	1971-07-13	Photoflash lamp
CA34432S (en)	1971-09-27	Lamp