US4480211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash lamp and circuitry for use with an incandescent light
Assignee: Federal Signal Corp
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Filing: 1983-04-06
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Granted: 1984-10-30
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Expires: 2003-04-06
Abstract
Abstract A flash lamp in which a flash tube, transformer, capacitor and base are coupled together to form a unitary integral lamp. A portion of the flash tube, the transformer and capacitor may be encapsulated by a plotting compound. An electrical circuit consisting of a flash lamp and a conventional incandescent light is also provided for operation in parallel from a remotely located power supply.
Inventors
- 👤 Fredrick W. Eggers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:24
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/84; H01J61/90; H01J61/02; H01J61/56; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/32
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
161 words
A flash lamp and incandescent lamp assembly which comprises: a flash lamp, said flash lamp having a flash tube with an anode, a cathode and a trigger electrode, said flash lamp being operable to rely on an external timing circuit for the timing of the flashes; a transformer and capacitor circuit coupled to said anode, cathode and trigger electrode; a multi-contact lamp base; means connecting said anode to one base contact and said cathode to another base contact; said flash tube, transformer and capacitor circuit and said base all forming a unitary, integral lamp without the need for any timing means within the lamp; an incandescent lamp; a power supply for supplying power to both said flash tube and said incandescent lamp, with the outlet of the power supply providing energy for both the incandescent lamp and the flash lamp; a diode having an anode and a cathode; means connecting said diode between said power supply outlet and said incandescent lamp.
Claim 2
Dependent Claim
161 words
A flash lamp and incandescent lamp assembly which comprises: a flash lamp, said flash lamp having a flash tube with an anode, a cathode and a trigger electrode, said flash lamp being operable to rely on an external timing circuit for the timing of the flashes; a transformer and capacitor circuit coupled to said anode, cathode and trigger electrode; a multi-contact lamp base; means connecting said anode to one base contact and said cathode to another base contact; said flash tube, transformer and capacitor circuit and said base all forming a unitary, integral lamp without the need for any timing means within the lamp; an incandescent lamp; a power supply for supplying power to both said flash tube and said incandescent lamp, with the outlet of the power supply providing energy for both the incandescent lamp and the flash lamp; a diode having an anode and a cathode; means connecting said diode between said power supply outlet and said incandescent lamp.
Claim 3
Dependent Claim
22 words
A device as described in claim 1, wherein said flash lamp, diode and said incandescent lamp are housed in a single package.
Claim 4
Dependent Claim
155 words
A flash lamp and incandescent lamp assembly which comprises: a flash lamp, said flash lamp having a flash tube with an anode, a cathode and a trigger electrode, said flash lamp being operable to rely on an external timing circuit for the timing of the flashes; a transformer and capacitor circuit coupled to said anode, cathode and trigger electrode; a multi-contact lamp base; means connecting said anode to one base contact and said cathode to another base contact; said flash tube, transformer and capacitor circuit and said base all forming a unitary, integral lamp without the need for any timing means within the lamp; an incandescent lamp; a power supply for supplying power to both said flash tube and said incandescent lamp, with the outlet of the power supply providing energy for both the incandescent lamp and the flash lamp; an inductor; means connecting said inductor between said power supply outlet and said incandescent lamp.
Claim 5
Dependent Claim
155 words
A flash lamp and incandescent lamp assembly which comprises: a flash lamp, said flash lamp having a flash tube with an anode, a cathode and a trigger electrode, said flash lamp being operable to rely on an external timing circuit for the timing of the flashes; a transformer and capacitor circuit coupled to said anode, cathode and trigger electrode; a multi-contact lamp base; means connecting said anode to one base contact and said cathode to another base contact; said flash tube, transformer and capacitor circuit and said base all forming a unitary, integral lamp without the need for any timing means within the lamp; an incandescent lamp; a power supply for supplying power to both said flash tube and said incandescent lamp, with the outlet of the power supply providing energy for both the incandescent lamp and the flash lamp; an inductor; means connecting said inductor between said power supply outlet and said incandescent lamp.
Claim 6
Dependent Claim
22 words
A device as described in claim 3, wherein said flash lamp, inductor and said incandescent lamp are housed in a single package.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-30 | 1988-04-30 | 1988-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-30 | 1992-04-30 | 1992-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-30 | 1996-04-30 | 1996-10-30 | $7700.00 | Window Closed / Lapsed |