US3945014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield antenna with coupling network in the leadin
Assignee: Saint Gobain Industries SA
•
Filing: 1973-12-28
•
Granted: 1976-03-16
•
Expires: 1993-12-28
Abstract
Abstract Antennas are applied to broad surfaces of electrically non-conductive material, and electronic adapters such as self-inductors, transformers, and capacitors are constructed in the same way and attached to the antenna on the surface of the material, affording improved output of the antenna and better reception in the receiver. Such apparatus is useful on vehicular windshields such as those of aircraft and automobiles, and on the windows of buildings such as of apartment houses.
Inventors
- 👤 Heinz Kunert
- 👤 Heinz Moebs
- 👤 Gerd Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:46
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/1271; B; B60; B60J; B60J1/00; B60J1/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
130 words
A window comprising a sheet of glass, an elongated antenna having a pair of conductors affixed to one surface of said sheet, an output terminal fixedly mounted on said surface of said sheet, first conductive means constituting a discrete lumped electrical reactance affixed to said surface of said sheet, said first conductive means including in series an inductive reactance and a capacitive reactance, second conductive means affixed to said surface of said sheet and conductively connecting said conductors to the ends of said inductive reactance, and third conductive means affixed to said surface of said sheet and conductively connecting said capacitive reactance to said output terminal, said conductors and each of said conductive means consisting essentially of a conductive composition of silver paste baked onto said surface of said sheet.
Claim 2
Dependent Claim
130 words
A window comprising a sheet of glass, an elongated antenna having a pair of conductors affixed to one surface of said sheet, an output terminal fixedly mounted on said surface of said sheet, first conductive means constituting a discrete lumped electrical reactance affixed to said surface of said sheet, said first conductive means including in series an inductive reactance and a capacitive reactance, second conductive means affixed to said surface of said sheet and conductively connecting said conductors to the ends of said inductive reactance, and third conductive means affixed to said surface of said sheet and conductively connecting said capacitive reactance to said output terminal, said conductors and each of said conductive means consisting essentially of a conductive composition of silver paste baked onto said surface of said sheet.
Claim 3
Dependent Claim
19 words
The window of claim 1 wherein said capacitive reactance is connected at a middle turn of said inductive reactance.
Claim 4
Dependent Claim
16 words
The window of claim 2 wherein said capacitive reactance includes oppositely disposed combs with intercalated teeth.
References Cited (Backward Citations)
US2657312A
Cited
GB811295A
Cited
FR1314455A
Cited
US3210764A
Cited
US3414902A
Cited
US3453618A
Cited
US3484584A
Cited
US3576576A
Cited
US3599214A
Cited
US3771159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-16 | 1979-09-15 | 1980-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-16 | 1983-09-15 | 1984-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-16 | 1987-09-15 | 1988-03-16 | $7700.00 | Window Closed / Lapsed |