GB548202A - Improvements in adjustable antenna devices - Google Patents
Improvements in adjustable antenna devicesInfo
- Publication number
- GB548202A GB548202A GB2757/41A GB275741A GB548202A GB 548202 A GB548202 A GB 548202A GB 2757/41 A GB2757/41 A GB 2757/41A GB 275741 A GB275741 A GB 275741A GB 548202 A GB548202 A GB 548202A
- Authority
- GB
- United Kingdom
- Prior art keywords
- antenna devices
- adjustable antenna
- xxxvi
- cancelled
- feb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1472—Control of position or direction using feedback using an analogue comparing device with potentiometer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
- H01Q1/10—Telescopic elements
- H01Q1/103—Latching means; ensuring extension or retraction thereof
Abstract
548,202. Remote control. WHITE, S. Y. Feb. 28, 1941, No. 2757. [Class 40 (i)] [Also in Groups XL and XXXVI] The Specification as open to inspection under Sect. 91 discloses an antenna remotely controlled by an electric motor (Figs. 9-17 (Cancelled) not shown). This forms the subject-matter of Specification 548,965, but does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US321381A US2283524A (en) | 1940-02-29 | 1940-02-29 | Adjustable antenna device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB548202A true GB548202A (en) | 1942-09-30 |
Family
ID=23250379
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10680/42A Expired GB548965A (en) | 1940-02-29 | 1941-02-28 | Improved remote control arrangements applicable to adjustable antennae |
GB2757/41A Expired GB548202A (en) | 1940-02-29 | 1941-02-28 | Improvements in adjustable antenna devices |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10680/42A Expired GB548965A (en) | 1940-02-29 | 1941-02-28 | Improved remote control arrangements applicable to adjustable antennae |
Country Status (5)
Country | Link |
---|---|
US (1) | US2283524A (en) |
BE (1) | BE442118A (en) |
FR (1) | FR882607A (en) |
GB (2) | GB548965A (en) |
NL (1) | NL62302C (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2415427A (en) * | 1942-06-22 | 1947-02-11 | Electronic Lab Inc | Radio-frequency transmitter |
US2484817A (en) * | 1942-12-15 | 1949-10-18 | Armond James Keller De | Antenna for aircraft |
US2472904A (en) * | 1943-12-24 | 1949-06-14 | Firm Autophon Ag | Transmitting antenna with automatic tuning, particularly for aircraft wireless |
US2430173A (en) * | 1944-10-17 | 1947-11-04 | Richard R Stoddart | Remotely controlled antenna tuning apparatus |
US2492989A (en) * | 1946-02-09 | 1950-01-03 | Farnsworth Res Corp | Directive ultra high frequency antenna |
US2569810A (en) * | 1949-04-02 | 1951-10-02 | Teleflex Antenna Co | Folded dipole antenna |
US2574733A (en) * | 1949-04-16 | 1951-11-13 | Tele Tone Radio Corp | Tape antenna system |
US3268898A (en) * | 1962-12-12 | 1966-08-23 | Avco Corp | Demountable variable length antenna |
FR2061538B1 (en) * | 1969-05-07 | 1973-12-21 | Commissariat Energie Atomique | |
FR2523232B1 (en) * | 1982-03-09 | 1985-09-20 | Thomson Csf | TELESCOPIC COLUMN WITH CYLINDRICAL TUBES |
GB2161026A (en) * | 1984-06-29 | 1986-01-02 | Racal Antennas Limited | Antenna arrangements |
JPH09205384A (en) * | 1996-01-29 | 1997-08-05 | Nec Corp | Portable radio equipment |
-
0
- FR FR882607D patent/FR882607A/fr not_active Expired
- BE BE442118D patent/BE442118A/xx unknown
- NL NL62302D patent/NL62302C/xx active
-
1940
- 1940-02-29 US US321381A patent/US2283524A/en not_active Expired - Lifetime
-
1941
- 1941-02-28 GB GB10680/42A patent/GB548965A/en not_active Expired
- 1941-02-28 GB GB2757/41A patent/GB548202A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE442118A (en) | |
US2283524A (en) | 1942-05-19 |
GB548965A (en) | 1942-10-30 |
FR882607A (en) | 1943-06-25 |
NL62302C (en) |
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