F-Term-List

H04B1/60

AA00
TELECOMMUNICATION SYSTEMS

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

. Local area networks (LAN)

. Tree and branch forms of systems

. Telephone exchange networks and data exchange networks

. Cable television networks (CATV) and cable broadcasting

. Satellite communications

. Mobile radio communications

. Radar detection systems

. Remote supervisory control systems

BA00
TRANSMISSION SIGNALS

BA01

BA02

BA03

BA04

BA05

BA06

BA07

BA08

BA09

BA10

. Time division

. Frequency division

. . Division into high frequency and low frequency bands

. Analog signals on the base band

. . Transmission signals

. Carrier-wave analog-modulating signals

. Single-frequency, multi-frequency, or tone signals

. Carrier-wave digital-modulating signals, frequency-shift keying (FSK), and phase-shift keying (PSK)

. Burst signals

. Digital signals and pulse-modulating signals

BA11

BA12

BA13

BA14

. High-frequency signals

. . Millimeter waves and quasi-millimeter waves

. . Microwaves

. Pilot signals

CA00
COMMUNICATION COMPONENTS

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

CA09

CA10

. Transmission systems

. . Wireless transmission

. . . Optical and spacial transmission

. . Wire-bound transmission

. . . Cable transmission lines

. . . . Cables

. . . . . Active and spare lines

. . . . . Up and down lines

. . . . . Use of a cable structure, shielding, and core wire

. . . Optical fibers and waveguides

CA11

CA12

CA13

CA14

CA15

CA16

CA17

CA18

CA19

CA20

. Transmitters

. Receivers

. Transceivers and transmit-receive terminals

. Common structure of transmitters and receivers

. Repeaters

. Branching equipment and couplers

. Antennas

. Modulators, demodulators, modems, and mixers

. Amplifiers and attenuators

. Intermediate-frequency (IF) stages

CA21

CA22

CA23

CA24

. Phase-locked loops (PLL) and synthesizers

. Echo cancelers and hybrid transformers

. Measuring instruments and apparatuses

. Power supplies

DA00
MONITORING AND TESTING PARAMETERS

DA01

DA02

DA03

DA04

DA05

DA06

DA07

DA08

. Interference, crosstalk, competition, and multiple passes

. Wraparound of transmit-receive signals

. Spurious waves and undesired radiation waves

. State of the carrier waves and the carrier

. Balancing of the balance cable

. Consistency

. . Transmission impedance matching

. . Receiving impedance matching

DA11

DA12

DA13

DA14

DA15

DA16

DA17

DA18

DA19

DA20

. Transmission quality

. . Modulation factors

. . Noise and signal-to-noise ratio (S/N)

. . Distortion and harmonics

. . Delay and response time

. . Signal level

. . . Attenuation and loss by tranmission

. . . Signal disconnection

. . . Receiving electric field

. . . . Beats

DA21

DA22

DA23

DA24

DA25

DA26

DA27

DA28

. . Phase, jitter, and synchronism

. . Frequency characteristic and wavelength characteristic

. . . Frequency deviation

. . . Spectrum

. . . Group-delay characteristic

. . Voltage standing wave ratio (VSWR), reflectance, and standing-wave ratio

. . Data error rate

. . Articulation and intelligibility

DA31

DA32

DA33

DA34

DA35

DA36

. Deterioration of apparatuses and parts

. Faults, failures, and accidents

. . Search for fault locations and failure locations

. . . Location of the repeater

. . Disconnection and short circuits

. Temperature

EA00
CONFIGURATIONS FOR MONITORING TESTS

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

EA09

EA10

. Center to end (i.e., the monitoring test station is at the center and the multiple stations to be montores at the end)

. End to end, between terminals, and between transmitting and receiving station

. Single-office and single-office diagnosis (i.e., monitoring and testing with separate configurations)

. Center and end relay points

. Locations between relay points

. Signal transfer in the forward direction of transmission

. Signal transfer in the reverse direction of transmission

. . Return of the test signal

. . Transmission of a test signal and receipt of a response

. . Transmission of an instruction test signal and receipt of a result reponse

EA11

EA13

EA14

EA15

EA16

. Testing one system segment at a time

. Simulation

. Central processing unit (CPU) and program execution control

. Monitor

. Arrangement

FA00
MEASURING MEANS

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

FA09

FA10

. Selection and switching

. . Scanning

. Switching on or off

. Relays

. Special diodes

. Filters and frequency discrimination

. Equalizers

. Delays and timers

. Wheatstone-bridge circuits

. Pseudo transmission lines and simulated attenuation

FA11

FA12

FA13

FA14

FA15

FA16

FA17

FA18

FA19

FA20

. Radio reception

. Squelch

. Circulators and isolators

. Connectors and terminals

. Memory for monitoring and testing

. Protective devices

. Shielding

. Calibration, correction, and adjustment tools

. Mechanical structure of the measuring device

. Test boxes and laboratories

FA21

FA22

FA23

FA24

FA25

FA26

FA27

FA28

FA29

FA30

. Branches and branching using a directional coupler

. Coupled circuits, mixed circuits, combined circuits, and synthesis

. Sensors

. Signal conversion and acousto-electric conversion

. . Photoelectric transfer

. Impedance measurement

. . R or real part

. . L and C, or imaginary part

. Measurement of electric power, voltage, and current (i.e., instead of the transmission signal itself)

. Frequency measurement

GA00
SIGNAL PROCESSING

GA01

GA02

GA05

GA06

. Comparison of values

. . Reference signals or comparison between the original signal and the transmitted signal

. Priority processing and classification

. Analog-to-digital and digital-to-analog conversion

GA11

GA12

GA13

GA14

GA15

GA16

GA17

. Digital-signal processing

. Operation (i.e., both analog and digital)

. . Differentiation and integration

. . Sum and difference

. . Multiplication, division, proportion, and square root

. . Function and log

. . Logical operation

HA00
STORING OF RESULTS, INDICATION, AND USES OF INDICATION

HA01

HA02

HA03

HA04

HA05

HA06

HA07

. Visual representation (e.g., X-Y plotters and oscillographs)

. . Display

. . Analogs and pointers

. . Printers

. Audio representation

. . Voice

. Memory and magnetic-tape storage

HA11

HA12

HA13

HA14

HA16

HA17

. Operational state of test object

. . Traffic records

. . Alarms and warnings

. Testing state and condition

. Display of the operator control panel

. Calculating tools

JA00
TIME OF MONITORING TESTS

JA01

JA02

JA03

JA04

JA05

JA06

JA07

JA08

JA09

JA10

. Testing during operation

. Testing when not in operation

. Continuous testing

. Periodic testing

. General testing

. . Manual testing

. Testing at the time of laying cables and wires

. Maintenance testing

. . Field checking

. Product inspection and correction

KA00
POWER-SUPPLY OR POWER-FEED SYSTEM FOR MONITORING TESTS ONLY

KA01

KA02

KA03

KA04

KA05

. Alternating current (AC)

. Direct current (DC)

. . Batteries

. Sharing of transmission lines

. Measures to prevent power failures

LA00
MONITORING-TEST SIGNALS

LA01

LA02

LA03

LA04

LA05

LA06

LA08

LA09

. Direct current signals and pulse signals

. . Polarity and level-reversal signals

. Alternating current signals

. . Signals for monitoring and testing by discriminating frequency

. Carrier-wave analog modulating signals

. Carrier-wave digital modulating signals, frequency-shift keying (FSK), and phase-shift keying (PSK)

. Pulse-modulating signals

. Digital signals

LA11

LA12

LA13

LA14

LA15

. Test signals

. . Test waveform patterns

. Control signals and indication signals

. Transmission of result signals

. . Fault information and measurement signals

MA00
TRANSMISSION SYSTEMS FOR MONITORING TEST SIGNALS

MA01

MA02

MA03

MA04

MA06

MA07

MA08

MA09

. Superimposition of test signals on transmission signals, modulation transmission signals by test signals, or frequency multiplexing of test signals

. Insertion of test signals into transmission signals or time-division multiplexing of transmission signals

. Multiplexing of test signals or selection of multiple test signals

. Circuits, channels, and lines for monitoring tests only

. Transmission lines or media for test signals that differ from those for transmission signals

. . Wireless transmission

. . Wire-bound transmission

. . . Optical-fiber transmission

NA00
MEASURES TO PREVENT ABNORMALITIES AND FAULTS

NA01

NA02

NA03

NA04

. Stopping

. . Resumption

. . Switching

. Adjustment or correction

5K042	Monitoring and testing of transmission in general
	H04B1/60 ;3/46-3/493;17/00-17/40