FIELD: individual protection means. SUBSTANCE: head-dress has hat and individual radio communication device with antenna made in the form of arced electrically conductive plates separated by dielectric layers. Inductive member connected to conductive plates has inductive resistance value corresponding to antenna resonance at radio frequency. Inductive member may be connected to antenna plates at several points. EFFECT: wider operational capabilities, reduced dimensions and increased convenience. 2 cl, 3 dwg
Title | Year | Author | Number |
---|---|---|---|
PROTECTIVE RADIO-EQUIPPED HELMET | 1993 |
|
RU2064770C1 |
UNDERGROUND PATCH ANTENNA OF METER WAVES | 2023 |
|
RU2828189C1 |
ANTIVEHICULAR MINE DETECTOR | 1997 |
|
RU2124758C1 |
MULTI-FREQUENCY SMALL-SIZE ANTENNA | 0 |
|
SU1705928A1 |
CODES-SWITCHING MODULATOR OF MICROWAVE ELECTROMAGNETIC OSCILLATIONS IN FORM OF MULTILAYER SURFACE MOBIUS WITH THE P-I-N-DIODES | 2015 |
|
RU2616440C1 |
0 |
|
SU1777789A1 | |
SIGNAL ADDER | 1994 |
|
RU2118015C1 |
METHOD OF CREATING MICROSTRIP ANTENNAE OF METRE RANGE AND DEVICE THEREFOR | 2014 |
|
RU2583334C2 |
RADIOBIOLOGICALLY SAFE MOBILE CORDLESS TELEPHONE | 2014 |
|
RU2540979C1 |
MULTIFREQUENCY LOW-SILHOUETTE ANTENNA | 2000 |
|
RU2220481C2 |
Authors
Dates
1997-04-27—Published
1995-02-15—Filed