US4983985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellular antenna
Assignee: Individual
•
Filing: 1989-02-21
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Granted: 1991-01-08
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Expires: 2009-02-21
Abstract
Abstract A cellular antenna including a matching transformer section connected to a substantially rectangular member of braid. An off-center feed provides for an omni-polar radiation.
Inventors
- 👤 Steve Beatty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:43
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
Cellular antenna for 850 MHZ cellular telephone transceiver operation comprising: a. a substantially rectangular configuration of copper braid full wave loop of approximately 8 cm by 10 cm with an electrical connection at an off center point of said rectangular configuration between ends of said braid; b. a back panel supporting said copper braid; c. a coaxial feed line transformer of approximately 6 cm in length with a 90 degree bend in a center portion of said length thereof electrically connected at one end to said ends of said braid at said off center point of a long leg of said rectangular configuration of said copper braid with a male UHF connector at an other end; and, d. front panel of the same size of said back panel encompassing said rectangular configuration of said copper braid whereby said coaxial feedline transformer matches said antenna to said cellular telephone transceiver.
Claim 2
Dependent Claim
149 words
Cellular antenna for 850 MHZ cellular telephone transceiver operation comprising: a. a substantially rectangular configuration of copper braid full wave loop of approximately 8 cm by 10 cm with an electrical connection at an off center point of said rectangular configuration between ends of said braid; b. a back panel supporting said copper braid; c. a coaxial feed line transformer of approximately 6 cm in length with a 90 degree bend in a center portion of said length thereof electrically connected at one end to said ends of said braid at said off center point of a long leg of said rectangular configuration of said copper braid with a male UHF connector at an other end; and, d. front panel of the same size of said back panel encompassing said rectangular configuration of said copper braid whereby said coaxial feedline transformer matches said antenna to said cellular telephone transceiver.
References Cited (Backward Citations)
FR801036A
Cited
GB652716A
Cited
US2763003A
Cited
US3582951A
Cited
US4160978A
Cited
FR2408268A1
Cited
JPS54139358A
Cited
US4401988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-01-07 | 1994-07-09 | 1995-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-01-07 | 1998-07-09 | 1999-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-01-07 | 2002-07-09 | 2003-01-08 | $7700.00 | Window Closed / Lapsed |