US3715491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television camera tube cooling arrangements
Assignee: BAE Systems Electronics Ltd
•
Filing: 1971-03-08
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Granted: 1973-02-06
•
Expires: 1991-03-08
Abstract
Abstract A camera tube cooling arrangement has a body of good thermal conductivity and low dielectric constant mounted in good thermal contact with the face plate of the camera tube and outside the image area of the camera tube. The body is cooled by a thermoelectric cooling unit which is mounted with its cold face in thermal contact with the body and its hot face in thermal contact with a finned heat sink.
Inventors
- 👤 D Finch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:25
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/006; H10; H10N; H10N10/00; H10N10/10; H10N10/13
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
71 words
A camera tube cooling arrangement including a body of good thermal conductivity and low dielectric constant in substantially below that of copper contact with the face plate of the camera tube at a region or regions outside the image area thereof; a thermo-electric cooling unit which, when in use, has its cold face thermally connected to said body; and cooling means for cooling the hot face of said thermo-electric cooling unit.
Claim 2
Dependent Claim
71 words
A camera tube cooling arrangement including a body of good thermal conductivity and low dielectric constant in substantially below that of copper contact with the face plate of the camera tube at a region or regions outside the image area thereof; a thermo-electric cooling unit which, when in use, has its cold face thermally connected to said body; and cooling means for cooling the hot face of said thermo-electric cooling unit.
Claim 3
Dependent Claim
71 words
A camera tube cooling arrangement including a body of good thermal conductivity and low dielectric constant in substantially below that of copper contact with the face plate of the camera tube at a region or regions outside the image area thereof; a thermo-electric cooling unit which, when in use, has its cold face thermally connected to said body; and cooling means for cooling the hot face of said thermo-electric cooling unit.
Claim 4
Dependent Claim
71 words
A camera tube cooling arrangement including a body of good thermal conductivity and low dielectric constant in substantially below that of copper contact with the face plate of the camera tube at a region or regions outside the image area thereof; a thermo-electric cooling unit which, when in use, has its cold face thermally connected to said body; and cooling means for cooling the hot face of said thermo-electric cooling unit.
Claim 5
Dependent Claim
32 words
An arrangement as claimed in claim 1 wherein the body of good thermal conductivity and low dielectric constant is thermally connected to the thermo electric cooling unit via a heat transfer plate.
Claim 6
Dependent Claim
21 words
An arrangement as claimed in claim 2 wheRein the body of good thermal conductivity and low dielectric constant is boron nitride.
Claim 7
Dependent Claim
14 words
An arrangement as claimed in claim 2 wherein said heat transfer plate is metallic.
Claim 8
Dependent Claim
14 words
An arrangement as claimed in claim 4 wherein said heat transfer plate comprises aluminum.
Claim 9
Dependent Claim
25 words
An arrangement as claimed in claim 1 wherein the means for cooling the hot face of the thermoelectric cooling unit is a finned metal plate.
Claim 10
Dependent Claim
20 words
An arrangement as claimed in claim 6 wherein a fan is provided to blow air over the finned metal plate.
References Cited (Backward Citations)
US3126498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |