EP 0461000 A1 19911211 - Antenna tuner unit for tactical HF apparatus.
Title (en)
Antenna tuner unit for tactical HF apparatus.
Title (de)
Antennenabstimmeinrichtung für taktische HF-Geräte.
Title (fr)
Boîte d'accord d'antenne pour postes tactiques hautes fréquences.
Publication
Application
Priority
FR 9007173 A 19900608
Abstract (en)
The antenna unit includes several tuning coils (11..1n), whose self-inductive weightings are switchable. At least one coil includes at least one winding (4) arranged inside a ferrite pot core (5) composed of two parts (5a, 5b) separated by an air gap (6). Applications: HF portable radio transmitter set. <IMAGE>
IPC 1-7
IPC 8 full level
H01F 17/04 (2006.01); H01F 27/08 (2006.01); H01Q 7/06 (2006.01)
CPC (source: EP)
H01F 17/043 (2013.01); H01F 27/08 (2013.01); H01Q 7/06 (2013.01)
Citation (search report)
- [Y] GB 519755 A 19400404 - MURPHY RADIO LTD, et al
- [Y] GB 618694 A 19490225 - STANDARD TELEPHONES CABLES LTD, et al
- [A] PATENT ABSTRACTS OF JAPAN, vol. 11, no. 41 (E-478)[2488], 6 février 1987; & JP-A-61 206 322 (FUJITSU LTD) 12-09-1986
Designated contracting state (EPC)
BE DE ES GB IT
DOCDB simple family (publication)
EP 0461000 A1 19911211; EP 0461000 B1 19941214; DE 69105825 D1 19950126; DE 69105825 T2 19950427; ES 2064939 T3 19950201; FR 2663176 A1 19911213; FR 2663176 B1 19940603
DOCDB simple family (application)
EP 91401376 A 19910529; DE 69105825 T 19910529; ES 91401376 T 19910529; FR 9007173 A 19900608