CA1052893A - Commutateur pour flash d'appareil photo - Google Patents

Commutateur pour flash d'appareil photo

Info

Publication number: CA1052893A
Authority: CA; Canada
Prior art keywords: switch; radiation; silver; electrical resistance; organic compound
Prior art date: 1974-09-23
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

CA234,724A

Other languages

English (en)

Inventor

Robert L. Smialek

Mary S. Jaffe

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.)

General Electric Co

Original Assignee

General Electric Co

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.)

1974-09-23

Filing date

1975-09-03

Publication date

1979-04-17

1975-09-03 Application filed by General Electric Co filed Critical General Electric Co

1979-04-17 Application granted granted Critical

1979-04-17 Publication of CA1052893A publication Critical patent/CA1052893A/fr

Status Expired legal-status Critical Current

Links

230000005855 radiation Effects 0.000 claims abstract description 27
239000000463 material Substances 0.000 claims description 38
239000004332 silver Substances 0.000 claims description 29
229910052709 silver Inorganic materials 0.000 claims description 29
229910052799 carbon Inorganic materials 0.000 claims description 11
239000011248 coating agent Substances 0.000 claims description 11
238000000576 coating method Methods 0.000 claims description 11
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
150000002894 organic compounds Chemical class 0.000 claims description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
239000012964 benzotriazole Substances 0.000 claims description 7
QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 6
239000002245 particle Substances 0.000 claims description 6
239000007795 chemical reaction product Substances 0.000 claims description 5
239000002736 nonionic surfactant Substances 0.000 claims description 5
229920000620 organic polymer Polymers 0.000 claims description 5
239000002491 polymer binding agent Substances 0.000 claims description 5
-1 silver ions Chemical class 0.000 claims description 5
150000001565 benzotriazoles Chemical class 0.000 claims description 3
239000002344 surface layer Substances 0.000 claims description 2
229940100890 silver compound Drugs 0.000 claims 3
150000003379 silver compounds Chemical class 0.000 claims 3
230000002378 acidificating effect Effects 0.000 claims 1
239000000203 mixture Substances 0.000 abstract description 38
238000006243 chemical reaction Methods 0.000 abstract description 13
239000007787 solid Substances 0.000 abstract description 8
230000003068 static effect Effects 0.000 abstract description 3
239000000126 substance Substances 0.000 abstract description 2
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 27
NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 22
239000011230 binding agent Substances 0.000 description 13
229910001923 silver oxide Inorganic materials 0.000 description 11
238000012360 testing method Methods 0.000 description 8
239000000654 additive Substances 0.000 description 7
238000010304 firing Methods 0.000 description 7
230000035945 sensitivity Effects 0.000 description 7
238000003491 array Methods 0.000 description 6
239000007788 liquid Substances 0.000 description 5
LKZMBDSASOBTPN-UHFFFAOYSA-L silver carbonate Substances [Ag].[O-]C([O-])=O LKZMBDSASOBTPN-UHFFFAOYSA-L 0.000 description 5
GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 5
239000004094 surface-active agent Substances 0.000 description 5
ZXSQEZNORDWBGZ-UHFFFAOYSA-N 1,3-dihydropyrrolo[2,3-b]pyridin-2-one Chemical compound C1=CN=C2NC(=O)CC2=C1 ZXSQEZNORDWBGZ-UHFFFAOYSA-N 0.000 description 4
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
239000004020 conductor Substances 0.000 description 4
239000000470 constituent Substances 0.000 description 4
238000000151 deposition Methods 0.000 description 4
238000010348 incorporation Methods 0.000 description 4
229910001958 silver carbonate Inorganic materials 0.000 description 4
229910000108 silver(I,III) oxide Inorganic materials 0.000 description 4
239000002904 solvent Substances 0.000 description 4
239000003381 stabilizer Substances 0.000 description 4
229920000896 Ethulose Polymers 0.000 description 3
239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 description 3
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
230000000996 additive effect Effects 0.000 description 3
238000002485 combustion reaction Methods 0.000 description 3
235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 description 3
230000001747 exhibiting effect Effects 0.000 description 3
238000012163 sequencing technique Methods 0.000 description 3
DXIJHCSGLOHNES-UHFFFAOYSA-N 3,3-dimethylbut-1-enylbenzene Chemical compound CC(C)(C)C=CC1=CC=CC=C1 DXIJHCSGLOHNES-UHFFFAOYSA-N 0.000 description 2
KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
241001481828 Glyptocephalus cynoglossus Species 0.000 description 2
FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
230000004913 activation Effects 0.000 description 2
238000000429 assembly Methods 0.000 description 2
230000000712 assembly Effects 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
239000003990 capacitor Substances 0.000 description 2
229910002092 carbon dioxide Inorganic materials 0.000 description 2
229920002678 cellulose Polymers 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000008021 deposition Effects 0.000 description 2
239000006185 dispersion Substances 0.000 description 2
239000000945 filler Substances 0.000 description 2
229930195733 hydrocarbon Natural products 0.000 description 2
150000002430 hydrocarbons Chemical class 0.000 description 2
125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
239000011368 organic material Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
125000004430 oxygen atom Chemical group O* 0.000 description 2
150000003378 silver Chemical class 0.000 description 2
KQTXIZHBFFWWFW-UHFFFAOYSA-L silver(I) carbonate Inorganic materials [Ag]OC(=O)O[Ag] KQTXIZHBFFWWFW-UHFFFAOYSA-L 0.000 description 2
WCVOGSZTONGSQY-UHFFFAOYSA-N 2,4,6-trichloroanisole Chemical compound COC1=C(Cl)C=C(Cl)C=C1Cl WCVOGSZTONGSQY-UHFFFAOYSA-N 0.000 description 1
DCCXSCIRSRPUJX-UHFFFAOYSA-N 2-oxopropanoic acid;silver Chemical compound [Ag].CC(=O)C(O)=O DCCXSCIRSRPUJX-UHFFFAOYSA-N 0.000 description 1
CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
239000001856 Ethyl cellulose Substances 0.000 description 1
239000000020 Nitrocellulose Substances 0.000 description 1
229920002319 Poly(methyl acrylate) Polymers 0.000 description 1
239000004793 Polystyrene Substances 0.000 description 1
FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
JXFDPVZHNNCRKT-TYYBGVCCSA-L [Ag+2].[O-]C(=O)\C=C\C([O-])=O Chemical compound [Ag+2].[O-]C(=O)\C=C\C([O-])=O JXFDPVZHNNCRKT-TYYBGVCCSA-L 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
150000001252 acrylic acid derivatives Chemical class 0.000 description 1
230000002730 additional effect Effects 0.000 description 1
239000002318 adhesion promoter Substances 0.000 description 1
230000002411 adverse Effects 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
239000002585 base Substances 0.000 description 1
239000003637 basic solution Substances 0.000 description 1
125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229920001400 block copolymer Polymers 0.000 description 1
150000001721 carbon Chemical group 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
WIKQEUJFZPCFNJ-UHFFFAOYSA-N carbonic acid;silver Chemical compound [Ag].[Ag].OC(O)=O WIKQEUJFZPCFNJ-UHFFFAOYSA-N 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
229920002301 cellulose acetate Polymers 0.000 description 1
229920003086 cellulose ether Polymers 0.000 description 1
PBAYDYUZOSNJGU-UHFFFAOYSA-N chelidonic acid Natural products OC(=O)C1=CC(=O)C=C(C(O)=O)O1 PBAYDYUZOSNJGU-UHFFFAOYSA-N 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
239000012084 conversion product Substances 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
238000002788 crimping Methods 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
239000002270 dispersing agent Substances 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
229920001249 ethyl cellulose Polymers 0.000 description 1
235000019325 ethyl cellulose Nutrition 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000009472 formulation Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
230000009931 harmful effect Effects 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
230000006872 improvement Effects 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
150000002484 inorganic compounds Chemical class 0.000 description 1
229910010272 inorganic material Inorganic materials 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
239000006194 liquid suspension Substances 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
238000000034 method Methods 0.000 description 1
239000012046 mixed solvent Substances 0.000 description 1
238000002156 mixing Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000009740 moulding (composite fabrication) Methods 0.000 description 1
229920001220 nitrocellulos Polymers 0.000 description 1
150000007524 organic acids Chemical class 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
239000010665 pine oil Substances 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
229920005596 polymer binder Polymers 0.000 description 1
239000004926 polymethyl methacrylate Substances 0.000 description 1
230000002028 premature Effects 0.000 description 1
238000003825 pressing Methods 0.000 description 1
230000001681 protective effect Effects 0.000 description 1
230000000171 quenching effect Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
238000012216 screening Methods 0.000 description 1
CQLFBEKRDQMJLZ-UHFFFAOYSA-M silver acetate Chemical compound [Ag+].CC([O-])=O CQLFBEKRDQMJLZ-UHFFFAOYSA-M 0.000 description 1
229940071536 silver acetate Drugs 0.000 description 1
AQRYNYUOKMNDDV-UHFFFAOYSA-M silver behenate Chemical compound [Ag+].CCCCCCCCCCCCCCCCCCCCCC([O-])=O AQRYNYUOKMNDDV-UHFFFAOYSA-M 0.000 description 1
XNGYKPINNDWGGF-UHFFFAOYSA-L silver oxalate Chemical compound [Ag+].[Ag+].[O-]C(=O)C([O-])=O XNGYKPINNDWGGF-UHFFFAOYSA-L 0.000 description 1
CHACQUSVOVNARW-LNKPDPKZSA-M silver;(z)-4-oxopent-2-en-2-olate Chemical compound [Ag+].C\C([O-])=C\C(C)=O CHACQUSVOVNARW-LNKPDPKZSA-M 0.000 description 1
CLDWGXZGFUNWKB-UHFFFAOYSA-M silver;benzoate Chemical compound [Ag+].[O-]C(=O)C1=CC=CC=C1 CLDWGXZGFUNWKB-UHFFFAOYSA-M 0.000 description 1
239000002002 slurry Substances 0.000 description 1
238000005476 soldering Methods 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
239000000725 suspension Substances 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000003466 welding Methods 0.000 description 1

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
- G03B15/0452—Electrical ignition means connected to the shutter
- G03B15/0457—Ignition mechanisms for sequential ignition of flash lamps
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0286—Programmable, customizable or modifiable circuits
- H05K1/0293—Individual printed conductors which are adapted for modification, e.g. fusable or breakable conductors, printed switches
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0104—Properties and characteristics in general
- H05K2201/0112—Absorbing light, e.g. dielectric layer with carbon filler for laser processing
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/17—Post-manufacturing processes
- H05K2203/173—Adding connections between adjacent pads or conductors, e.g. for modifying or repairing

Landscapes

Engineering & Computer Science (AREA)
Microelectronics & Electronic Packaging (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Contacts (AREA)
Fuses (AREA)
Stroboscope Apparatuses (AREA)
Manufacturing Of Printed Wiring (AREA)
Organic Insulating Materials (AREA)

CA234,724A 1974-09-23 1975-09-03 Commutateur pour flash d'appareil photo Expired CA1052893A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US50810574A	1974-09-23	1974-09-23

Publications (1)

Publication Number	Publication Date
CA1052893A true CA1052893A (fr)	1979-04-17

Family

ID=24021402

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA234,724A Expired CA1052893A (fr)	1974-09-23	1975-09-03	Commutateur pour flash d'appareil photo

Country Status (6)

Country	Link
JP (1)	JPS5143133A (fr)
BE (1)	BE833034A (fr)
BR (1)	BR7506160A (fr)
CA (1)	CA1052893A (fr)
FR (1)	FR2285631A1 (fr)
GB (1)	GB1515015A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4087233A (en) *	1976-10-18	1978-05-02	Gte Sylvania Incorporated	Radiation switch for photoflash unit
JPS53154944U (fr) *	1977-05-12	1978-12-05
US4320440A (en) *	1979-03-19	1982-03-16	Gte Products Corporation	Connect switch
GB2127221B (en) *	1982-09-06	1986-03-12	Secr Defence	Radiation-controlled electrical switches

1975
- 1975-07-22 JP JP50088948A patent/JPS5143133A/ja active Granted
- 1975-08-13 GB GB3374475A patent/GB1515015A/en not_active Expired
- 1975-09-03 CA CA234,724A patent/CA1052893A/fr not_active Expired
- 1975-09-03 BE BE159715A patent/BE833034A/fr unknown
- 1975-09-10 FR FR7527777A patent/FR2285631A1/fr active Granted
- 1975-09-23 BR BR7506160A patent/BR7506160A/pt unknown

Also Published As

Publication number	Publication date
DE2541810B2 (de)	1977-03-31
JPS5143133A (en)	1976-04-13
BR7506160A (pt)	1976-08-03
JPS5332253B2 (fr)	1978-09-07
FR2285631B1 (fr)	1978-04-07
BE833034A (fr)	1976-03-03
DE2541810A1 (de)	1976-04-01
FR2285631A1 (fr)	1976-04-16
GB1515015A (en)	1978-06-21

Publication	Publication Date	Title
US3951582A (en)	1976-04-20	Switching devices for photoflash unit
US3990832A (en)	1976-11-09	Switching devices for photoflash unit
US4336570A (en)	1982-06-22	Radiation switch for photoflash unit
US3990833A (en)	1976-11-09	Switching devices for photoflash unit
US4080155A (en)	1978-03-21	Switching devices for photoflash unit
CA1040318A (fr)	1978-10-10	Fabrication de plaquettes de circuits avec de l'encre durcissable aux radiations
USRE30274E (en)	1980-05-13	Method for making a circuit board and article made thereby
US3969065A (en)	1976-07-13	Switching devices for photoflash unit
US3969066A (en)	1976-07-13	Switching devices for photoflash unit
CA1166839A (fr)	1984-05-08	Commutateur d'eclairage pour flash photographique
CA1050745A (fr)	1979-03-20	Dispositifs de commutation pour bloc de lampes eclair
US4182608A (en)	1980-01-08	Photoflash lamp unit utilizing radiation and voltage responsive switch devices
CA1155816A (fr)	1983-10-25	Connecteur-interrupteur perfectionne pour lampe-eclair
US4087233A (en)	1978-05-02	Radiation switch for photoflash unit
US4299558A (en)	1981-11-10	Switching devices for photoflash unit
CA1063187A (fr)	1979-09-25	Commutateurs de lampes-eclair
US4379690A (en)	1983-04-12	Photoflash switching array and fabrication utilizing silver-oxide coated solids
US4290747A (en)	1981-09-22	Photoflash lamp array circuit board having radiation sensitive fuse elements
US4470801A (en)	1984-09-11	Photoflash unit with circuit pattern for redundant switching of lamps
US4130857A (en)	1978-12-19	Multilamp photoflash unit
CA1141729A (fr)	1983-02-22	Flash a lampes eclair inversees
CA1148601A (fr)	1983-06-21	Flash a couplage de lampes et a mise sous tension du circuit commun selectionnables
US4146917A (en)	1979-03-27	Photoflash lamp array having reflective coating means
US4306855A (en)	1981-12-22	Photoflash unit having reflector with openings surrounded by transparent regions
US4478571A (en)	1984-10-23	Photoflash array humidity protected switches