BE872420A - Commutateur a double sensibilite - Google Patents
Commutateur a double sensibiliteInfo
- Publication number
- BE872420A BE872420A BE192053A BE192053A BE872420A BE 872420 A BE872420 A BE 872420A BE 192053 A BE192053 A BE 192053A BE 192053 A BE192053 A BE 192053A BE 872420 A BE872420 A BE 872420A
- Authority
- BE
- Belgium
- Prior art keywords
- sensitivity switch
- double sensitivity
- double
- switch
- sensitivity
- Prior art date
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
- G03B15/0452—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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Contacts (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Developing Agents For Electrophotography (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/856,274 US4182608A (en) | 1977-12-01 | 1977-12-01 | Photoflash lamp unit utilizing radiation and voltage responsive switch devices |
Publications (1)
Publication Number | Publication Date |
---|---|
BE872420A true BE872420A (fr) | 1979-05-30 |
Family
ID=25323219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE192053A BE872420A (fr) | 1977-12-01 | 1978-11-30 | Commutateur a double sensibilite |
Country Status (5)
Country | Link |
---|---|
US (1) | US4182608A (fr) |
BE (1) | BE872420A (fr) |
CA (1) | CA1123485A (fr) |
DE (1) | DE2851561C3 (fr) |
NL (1) | NL7811446A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4320440A (en) * | 1979-03-19 | 1982-03-16 | Gte Products Corporation | Connect switch |
US4299558A (en) * | 1979-05-21 | 1981-11-10 | General Electric Company | Switching devices for photoflash unit |
US4330821A (en) * | 1980-05-09 | 1982-05-18 | Gte Products Corporation | Radiation switch for photoflash unit |
US4336570A (en) * | 1980-05-09 | 1982-06-22 | Gte Products Corporation | Radiation switch for photoflash unit |
US4388606A (en) * | 1981-04-13 | 1983-06-14 | Gte Products Corporation | Sequential photoflash array and fabrication employing radiation-activated switches |
EP0062884A1 (fr) * | 1981-04-13 | 1982-10-20 | GTE Products Corporation | Dispositif flash d'allumage successif de plusieurs lampes éclairs utilisant interrupteurs sensibles au rayonnement |
US4382774A (en) * | 1981-05-07 | 1983-05-10 | Gte Products Corporation | Spark gap switch |
US4379690A (en) * | 1981-08-13 | 1983-04-12 | Gte Products Corporation | Photoflash switching array and fabrication utilizing silver-oxide coated solids |
US4478571A (en) * | 1982-09-27 | 1984-10-23 | Gte Products Corporation | Photoflash array humidity protected switches |
US4487574A (en) * | 1982-12-20 | 1984-12-11 | General Electric Company | Switching device for photoflash unit |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3532931A (en) * | 1968-12-16 | 1970-10-06 | Gen Electric | Photoflash assembly for sequentially flashing lamps utilizing voltage and current responsive devices |
US3990833A (en) * | 1974-04-15 | 1976-11-09 | General Electric Company | Switching devices for photoflash unit |
US3988647A (en) * | 1974-09-27 | 1976-10-26 | General Electric Company | Method for making a circuit board and article made thereby |
US3969065A (en) * | 1974-11-04 | 1976-07-13 | General Electric Company | Switching devices for photoflash unit |
US3994664A (en) * | 1975-06-30 | 1976-11-30 | General Electric Company | Parallel electrical switches |
US4080155A (en) * | 1977-03-18 | 1978-03-21 | General Electric Company | Switching devices for photoflash unit |
-
1977
- 1977-12-01 US US05/856,274 patent/US4182608A/en not_active Expired - Lifetime
-
1978
- 1978-10-30 CA CA314,833A patent/CA1123485A/fr not_active Expired
- 1978-11-21 NL NL7811446A patent/NL7811446A/xx not_active Application Discontinuation
- 1978-11-29 DE DE2851561A patent/DE2851561C3/de not_active Expired
- 1978-11-30 BE BE192053A patent/BE872420A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
DE2851561C3 (de) | 1981-04-16 |
DE2851561A1 (de) | 1979-06-07 |
US4182608A (en) | 1980-01-08 |
DE2851561B2 (de) | 1980-07-31 |
CA1123485A (fr) | 1982-05-11 |
NL7811446A (nl) | 1979-06-06 |
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