US4749999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmitting-receiving antennas for vehicles
Assignee: Harada Industry Co Ltd
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Filing: 1986-08-29
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Granted: 1988-06-07
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Expires: 2006-08-29
Abstract
Abstract A transmitting-receiving antenna for a vehicle including a fixture for fixing an ultra high frequency grounded antenna thereon. One end of the fixture is connected to a grounding point of a feeding section of the antenna and the other end is connected to an antenna mounting point of a vehicle body. The fixture is further constructed such that the length or distance between the grounding point of the antenna feeding section and the mounting point of the vehicle is set at 1/2 wave length in electric length.
Inventors
- 👤 Hiroshi Hayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:39
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/32; H01Q1/325; H01Q1/3258
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
An ultra high frequency transmitting-receiving antenna for vehicles comprising: an antenna for ultra high frequency; and a fixture having said antenna mounted on one end of said fixture with a grounding point of a feeding section of said antenna electrically connected to said fixture at said mounting and having another end of the fixture connected to a mounting point on a vehicle body, and said fixture being defined such that a distance between said grounding point and said mounting point on said vehicle body is 1/2 wave length in electrical length.
Claim 2
Dependent Claim
91 words
An ultra high frequency transmitting-receiving antenna for vehicles comprising: an antenna for ultra high frequency; and a fixture having said antenna mounted on one end of said fixture with a grounding point of a feeding section of said antenna electrically connected to said fixture at said mounting and having another end of the fixture connected to a mounting point on a vehicle body, and said fixture being defined such that a distance between said grounding point and said mounting point on said vehicle body is 1/2 wave length in electrical length.
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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) | 1991-06-07 | 1991-12-07 | 1992-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-07 | 1995-12-07 | 1996-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-07 | 1999-12-07 | 2000-06-07 | $7700.00 | Window Closed / Lapsed |