F-Term-List

H04B5/00-5/06

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METHODS OF CONSTRUCTION, WIRING, ARRANGEMENT, LAYING, AND MANUFACTURE

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. Construction

. . Housing

. Wiring, arrangement, laying

. . Variants intended to make electromagnetic field intensity uniform

. . Variants that pertain to the relative arrangement of antennas and lines

. . Connecting, branching

. Manufacturing methods

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TRANSMISSION SYSTEMS

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. Transmission systems characterized by electromagnetic field propagation

. . Inductive transmission systems

. . . Magnetic field coupled types

. . . Electrostatic coupled types

. . Transmission systems that use feeble electromagnetic waves

. . . Leakage transmission systems

. . . . Light leakage transmission systems

. . Transmission in special mediums

. . . Transmission using water as the medium

. . . Transmission using earth as the medium

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. Multiplex transmission systems

. Two-way transmission systems

. . Variants that use different frequencies according to direction

. Balanced transmission systems, i.e., metallic circuit systems

. Unbalanced transmission systems, i.e., ground return systems

. Intermediate frequency (i.e., IF) transmission systems

. Analog transmission systems

. Digital transmission systems

. Modulating systems

. . Complex modulating systems

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TRANSMISSION ELEMENTS

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. Cables and antennas for near-field transmission

. . Induction cables

. . . Crossed types

. . . Twisted pair types

. . Leakage cables

. . Loop (i.e., coil) antennas

. . Multiple antennas

. Transmitters

. . Modulators

. Receivers

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. . Demodulators

. Repeaters

. Distributors, wave-splitters, and couplers

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SIGNAL PROCESSING

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. Eliminating unnecessary signals

. . Eliminating noise

. . Eliminating wrap-around signals

. . Eliminating jamming

. Level correction

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IMPROVING RELIABILITYAND MAINTENANCE

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. Monitoring, testing

. Ensuring communications (e.g., calls)

. . Variants having backups

. . . Variants using multiple-layered configurations

. . . Signals powered at both ends

. . Preventing line hits

. . . Variants using auxiliary lines

. Diversity

. Reducing, preventing interference (disturbance) to other communication systems

. . Reducing, preventing inductive interference

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. . Reducing, preventing radio interference

. . Reducing, preventing reciprocal interference

. Supplying power

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APPLICATIONS

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. Inter-station communications (including broadcasting)

. . Communications between one fixed station and one mobile station

. . Communications between one fixed station and multiple mobile stations

. . Communications between mobile stations

. . Communications between fixed stations

. . Communications accompanied by confirmation of ability to communicate

. . . Variants accompanied by confirmation using individual identification codes

. . . Variants accompanied by confirmation by detecting positions

. . . . Position detection

. . Switching the communication area

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. . . Variants using switching control signals

. . Prohibiting re-communication in the same communication areas

. . Encouraging paths for moving bodies

. . Prohibiting simultaneous communications

. Calling (and calls)

. Aiding hearing

. . Auxiliary tools for handicapped individuals

. Intra-device local communications

. . Communication with rotary bodies

. Disaster communications

5K012	NEAR-FIELD TRANSMISSION SYSTEMS
	H04B5/00 -5/06