Patents
US 7855615 B1: Frequency adaptive temperature variable attenuator
- Granted
- 2010-12-21
- Filed
- 2008-05-02 application 12114492
- Type
- Utility · 3 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A temperature-dependent attenuator including one or more temperature-dependent resistors disposed in series with a transmission line and an inductive element shunting at least one of the temperature-dependent resistors.
Source: PVGPATDIS, file of 2026-04-10 (ipg101221.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Smiths Interconnect Microwave Components, Inc. 4 patents | US company or organization | Stuart, FL | SMITHS INTERCONNECT MICROWAVE COMPONENTS, INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Shawn E. Karr | Stuart, FL | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H03H | Impedance networks, e.g. resonant circuits; resonators | H03H7/24 | PVGPATDIS, file of 2026-04-10 |
| H03F | Amplifiers | H03F1/56 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2019-03-25 | Name change Change of name | INTERCONNECT DEVICES, INC. signed 2017-07-31 | SMITHS INTERCONNECT AMERICAS, INC. WILMINGTON,, DE | 48682/212 | ECORSEXC, file of 2026-09-25 |
| 2019-03-25 | Merger Merger | SMITHS INTERCONNECT MICROWAVE COMPONENTS, INC. signed 2017-07-31 | INTERCONNECT DEVICES, INC. WILMINGTON,, DE | 48682/201 | ECORSEXC, file of 2026-09-25 |
| 2008-05-06 | Assignment Assignment of assignor's interest | KARR, SHAWN E. signed 2008-05-02 | SMITHS INTERCONNECT MICROWAVE COMPONENTS, INC. STUART, FL | 20906/887 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.