F-Term-List

G01R15/00;15/00,300;15/00,500;15/04;15/06;15/06@A-Z;15/14;15/14@A-Z;15/16;15/18;15/18@A-Z;15/20;15/20@A-Z;15/22;15/24;15/24@A-Z;15/26

AA00
PURPOSE OF HIGH VOLTAGE AND HIGH CURRENT MEASURING DEVICES

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

AA09

AA10

. Integrally attached structures

. . Molded structures

. Removal and replacement or maintenance.

. Positioning of sensors (i.e., including optical axis alignment)

. Size reduction

. Coupling with insulators

. Noise shielding

. Temperature compensation

. . Structural temperature compensation

. Floating capacitance elimination

AA11

AA12

AA13

AA14

AA15

AA16

AA17

. Electrostatic induction and electromagnetic induction elimination

. Loss, fluctuation elimination (i.e., including loss in optical fibers)

. Non-linear compensation

. Bias circuit adjusting circuits

. For polyphase lines

. Power sources and auxiliary power sources that are attached to the sensor section

. Insulation

AB00
HIGH VOLTAGE AND HIGH CURRENT DETECTORS

AB01

AB02

AB03

AB04

AB05

AB06

AB07

AB08

AB09

AB10

. Magneto-electric converting elements

. . Hall elements

. . Lead switches

. Shunts

. . Shunt resistors

. Voltage dividers

. . Capacitative voltage dividers

. . Resistance voltage dividers

. Light modulating means

. . Faraday elements (i.e., magneto-optical elements)

AB11

AB12

AB13

AB14

AB15

AB16

. . Pockels elements (i.e., electro-optical elements)

. . Light emitting elements (i.e., light emitting diodes, lamps, and discharge tubes)

. . Reflectors and light blocking materials (LCD's and mirrors)

. Current transformers

. . DC current transformers

. Potential transformer

AC00
TRANSMISSION METHODS FOR HIGH VOLTAGE AND HIGH CURRENT DETECTED VALUES

AC01

AC02

AC03

AC04

AC05

AC06

AC07

AC08

AC09

. Electric transmission

. . Amplitude modulation

. . Frequency modulation

. . Current/voltage conversion

. . Digital transmission (i.e., including binary and ternary signals)

. Optical transmission

. . Amplitude modulation

. . Frequency modulation

. . Digital transmission

G01R15/09

BA00
AUTOMATIC RANGE SWITCHING FUNCTIONS

BA01

BA02

BA03

BA04

BA05

BA06

BA07

BA08

. Range switching display

. . Variants giving voice indications

. Range storage

. . Initial range setting, setting methods, and setting sequences

. High speed range switching

. Range fixing or holding

. . Variants related to range boundaries in particular

. Error compensation during range switching

G01R15/08

BB00
MANUAL RANGE SWITCHING FUNCTIONS

BB01

BB02

BB03

BB04

. Erroneous range switching protection

. Display during range switching

. Shorting or disconnection prevention

. Variants that operate remotely

G01R15/00,100;15/00,100@A-Z

CA00
PURPOSE CONVERTERS HAVING THE INDICATED CHARACTERISTICS

CA01

CA02

CA03

CA04

CA05

. Temperature compensation

. Zero point adjustment

. Drift elimination

. Improvement of characteristics (e.g., errors)

. Conversion range expansion

CB00
METHOD OF CONVERTING INDICATED CHARACTERISTICS

CB01

CB02

CB03

CB04

CB05

CB06

CB07

. Mechanical variants

. Digital types

. . Frequency modulation and pulse count modulation

. Analog types

. . Logarithmic conversion

. Line segment approximation

. Hybrids

CC00
ELEMENTS OF CONVERTING CIRCUITS HAVING THE INDICATED CHARACTERISTICS

CC01

CC02

CC03

CC04

CC05

CC06

CC07

CC08

. Microprocessors

. Memory (ROM and RAM)

. Arithmetic calculators

. Exponent to number converters

. Non-linear elements

. . Diodes, transistors and FET's

. . Capacitors

. . Operational amplifier comparators

G01R15/12;15/12@A-Z

DA00
STRUCTURAL FEATURES OF TESTERS

DA01

DA02

DA03

DA04

DA05

DA06

. Display unit structures

. Switch structures

. Probe structures

. . Probe meters (e.g., variants with a display section for the probe)

. Variants with two or more functions in the same case

. Keyboards

DB00
FUNCTIONAL FEATURES OF TESTERS

DB01

DB02

DB03

DB04

DB05

DB06

. Digital display functions

. Voice indication functions

. Variants having data storage functions

. Variants having automatic measuring functions (i.e., variants that are programmable)

. Variants having multiple point measuring functions

. Variants combined with additional functions (e.g., tester and calculator)

G01R17/02;17/04;17/06;17/06@A-Z;17/10;17/12;17/12@A-Z;17/14;17/14@A-Z;17/16;17/16@A-Z;17/18;17/18@A-Z

EA00
PURPOSE OF BRIDGES

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

. Temperature compensation

. Zero point compensation

. Protection against excessive input and protection against exceeding scale

. Measures against overshooting or undershooting

. Improvement of non-linearity

. Variable methods for bridge elements

. High speed balancing and stable balancing operation

. Transmission loss compensation

EB00
POWER SOURCES FOR BRIDGES

EB01

EB02

EB03

EB04

EB05

. DC voltage sources

. DC current sources

. Pulse voltage and pulse current

. AC voltage and AC current

. Variable voltage and variable frequency

EC00
CIRCUIT ELEMENTS OF BRIDGES

EC01

EC02

EC03

EC04

EC05

EC06

EC07

EC08

EC09

EC10

. Phase detectors

. A/D and D/A converters

. Frequency or pulse modulators

. Switching resistors

. Servo amplifiers

. Bridges

. . Frequency bridges

. . Carrier wave distortion bridges

. . Wheatstone bridges

. . Transformer bridges

EC11

EC12

EC13

. . Sharing bridges

. . Double bridges

. . T-bridges

ED00
MECHANICAL ELEMENTS OF BRIDGES

ED01

ED02

ED03

ED04

ED05

. Potentiometers and sliding resistors

. Pulse motors and stepping motors

. Analog servomotors

. Recording pen sections

. Relays and switches

2G025	Measuring instrument details and bridges, and automatic balancing devices
	G01R15/00 -17/22