US3701056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistive film bleeder resistor for use in an branch circuit
Assignee: Iwatsu Electric Co Ltd
•
Filing: 1970-08-24
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Granted: 1972-10-24
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Expires: 1990-08-24
Abstract
Abstract A bleeder resistor used in a branch circuit for dividing a high frequency electric power into a plurality of parts, in which three electrodes are disposed at vertex corners of a regular triangle on an insulative plate, and in which a resistive film is deposited on the surface of the insulative plate so as to be connected to all the three electrodes so that a resistance between any two of the three electrodes is substantially equal to a desired value in a wide frequency range.
Inventors
- 👤 Syuichi Ozawa
- 👤 Noboru Tomimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:38
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/12; H01P1/00; H01P1/20; H01P1/213
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
97 words
A bleeder resistor, comprising: an insulative plate, three like electrodes symmetrically disposed at vertex corners of a regular triangle on the insulative plate and having equal edges each perpendicular to a corresponding one of lines bisecting the respective angles of the regular triangle, at least one regular triangular resistive film deposited on the surface of the insulative plate and having truncated vertex corners respectively matched with said edges of the three electrodes, so that the resistance between any two of the three electrodes is substantially equal and corresponds to a desired value in a wide frequency range.
Claim 2
Dependent Claim
97 words
A bleeder resistor, comprising: an insulative plate, three like electrodes symmetrically disposed at vertex corners of a regular triangle on the insulative plate and having equal edges each perpendicular to a corresponding one of lines bisecting the respective angles of the regular triangle, at least one regular triangular resistive film deposited on the surface of the insulative plate and having truncated vertex corners respectively matched with said edges of the three electrodes, so that the resistance between any two of the three electrodes is substantially equal and corresponds to a desired value in a wide frequency range.
Claim 3
Dependent Claim
17 words
A bleeder resistor according to claim 1, in which the insulative plate is an orbicular insulative plate.
Claim 4
Dependent Claim
28 words
A bleeder resistor according to claim 1, in which said electrodes are rectangular with longer central axes perpendicular respectively to said lines bisecting the angles of said triangle.
Claim 5
Dependent Claim
38 words
A bLeeder resistor according to claim 1, in which the insulative plate is a triangular plate similar to said regular triangular resistive film and having sides parallel to sides of said triangular resistive film and truncated vertex corners.
Claim 6
Dependent Claim
30 words
A bleeder resistor according to claim 4, in which at least a part of the resistive film is removed to adjust the resistance between any two of the three electrodes.
References Cited (Backward Citations)
US3534302A
Cited
US3521201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-24 | 1976-04-24 | 1976-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-24 | 1980-04-24 | 1980-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-24 | 1984-04-24 | 1984-10-24 | $7700.00 | Window Closed / Lapsed |