CPC Definition - Subclass G08C

Last Updated Version: 2024.08
TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmitting systems F15B; mechanical means for transferring the output of a sensing member into a different variable G01D 5/00; mechanical control systems G05G)
Definition statement

This place covers:

In the context of transmission systems for remotely controlling devices where the transmission systems are for measured values, control signals or the like:

  • processing signals, e.g. differentiating or delaying;
  • details of transmission systems: multiplexing, electric wired, wireless link, nonelectric (e.g. acoustic or optical);
  • systems for transmitting the position of an object with respect to a predetermined reference system, e.g. tele-autographic systems;
  • monitoring, preventing or correcting errors.
Relationships with other classification places

Subclass H04B covers the transmission of information-carrying signals, in general, the transmission being independent of the nature of the information.

Subclass G08C refers to transmission systems specially adapted for measured values, control signals or the like.

Subclass H04L covers transmission of signals having been supplied in digital form and includes telegraphic communication.

The borderline between subclasses H04L and G08C lies on whether subject matter is digital transmission techniques per se (H04L) or the transmission system combined with measurement or control (G08C).

References
Limiting references

This place does not cover:

Fluid pressure transmission system

F15B

Mechanical means for transferring the output of a sensing member into a different variable

G01D 5/00

Mechanical control systems

G05G

Application-oriented references

Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Devices for measuring tyre pressure or temperature, specially adapted for vehicles mounted on the wheel or tyre

B60C 23/04

Means for transmitting measuring-signals from a borehole or a well to the surface, e.g. for logging while drilling

E21B 47/12

Transmitting seismic signals to recording or processing apparatus

G01V 1/22

Radiosondes for meteorological purposes

G01W 1/08

Signalling or calling systems

G08B

Order telegraph systems

G08B 9/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Measuring for diagnostic purposes

A61B 5/00

Remote-control arrangements specially adapted for toys, e.g. for toy vehicles

A63H 30/00

Measuring arrangements giving results other than momentary value of variable

G01D

Indicating or recording devices, for measuring volume or volume flow, e.g. for remote indication

G01F

Devices or apparatus for measuring force, stress, torque, work, mechanical power, mechanical efficiency or fluid pressure

G01L

Arrangements for measuring electric or magnetic variables

G01R

Systems involving sampling of the variable controlled

G05B

Position control in general

G05D

Input arrangements for transferring data to be processed into a form capable of being handled by the computer

G06F 3/00

Error detection; Monitoring on computers

G06F 11/00

Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signals

G06K 11/00

Individual entry or exit registers

G07C 9/00

Electronic locks operated with unidirectional data transmission between data carriers and locks

G07C 9/00182

Electronic locks operated with bidirectional data transmission between data carriers and locks

G07C 9/00309

Displaying; Advertising; Signs, Labels or name-plates; Seals

G09F

Generating electric pulses

H03K

Coding, decoding or code conversion, in general

H03M

Details of transmission systems, by remote control

H04B 1/202

Transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared

H04B 10/00

Monitoring for transmission systems in general

H04B 17/00

Detecting and preventing errors in digital transmission systems

H04L 1/00

Arrangements for remote connection or disconnection of substations or of equipment thereof

H04L 12/12

Home automation networks

H04L 12/2803

Controlling appliance services of a home automation network by calling their functionalities

H04L 12/2816

Reporting information sensed by appliance or service execution status of appliance services in a home automation network

H04L 12/2823

Monitoring for digital data switching networks

H04L 43/00

Telephone substation equipment for remote control of appliances

H04M 1/72415

Metering arrangements for telephonic communication

H04M 15/00

Details of television systems, whereby additional information being controlled by a remote control apparatus

H04N 21/42204

Special aspect of "selecting", i.e. arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station

H04Q 9/00

Power saving techniques per se

H04W 52/02

Circuit arrangements for electric light sources in general, linked via wireless transmission

H05B 47/19

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

transmission

the dispatching, for reception elsewhere, of a signal, message or other form of information

tele-autographic system

system which transmits the handwriting

wireless

relating to a system of communication that does not use hardwired connections

Arrangements for influencing the relationship between signals at input and output, e.g. differentiating, delaying
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Transferring the output of a sensing member to an indicating or recording part not yielding momentary value

G01D 1/00

Systems for control of position involving comparison between actual and desired values

G05D 3/00

Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Multiplex transmission in general

H04J

Arrangements for transmitting signals characterised by the use of a wireless electrical link
Definition statement

This place covers:

This group covers mainly systems for transmitting control signals via a wireless link, without specifying what kind of wireless link (IR, radio, ultrasonic, etc.) is being used.

Special rules of classification

The following features should be allocated the CPC codes for additional information below:

G08C 2201/00

Transmission systems of control signals via wireless link

G08C 2201/10

Power supply of remote control devices

G08C 2201/11

Energy harvesting

G08C 2201/112

Mechanical energy (vibration, piezoelectric)

G08C 2201/114

Solar power

G08C 2201/12

Power saving techniques of remote control/controlled devices

G08C 2201/20

Binding and programming of remote control devices

G08C 2201/21

Programming remote control devices via third means

G08C 2201/30

User interface

G08C 2201/31

Voice input

G08C 2201/32

Remote control based on movements, attitude of remote control device

G08C 2201/33

Remote control using macros, scripts

G08C 2201/34

Context aware guidance

G08C 2201/40

Remote control systems using repeaters, converters, gateways

G08C 2201/41

Remote control of gateways

G08C 2201/42

Transmitting/receiving remote control signals via a network

G08C 2201/50

Receiving/transmitting feedback (replies, status updates, acknowledgements) from the controlled devices

G08C 2201/51

Remote controlling of devices based on replies, status thereof, whereby the remote control device and the controlled device communicate via short range communication means

G08C 2201/60

Security, fault tolerance

G08C 2201/61

Password, biometric

G08C 2201/62

Rolling code

G08C 2201/63

Redundant transmissions

G08C 2201/70

Device selection

G08C 2201/71

Directional beams

G08C 2201/90

Additional features

G08C 2201/91

Remote control based on location and proximity

G08C 2201/92

Universal remote control

G08C 2201/93

Remote control using other portable devices (mobile phone, PDA, laptop)

G08C 2201/94

Smart cards

Electric signal transmission systems (G08C 17/00 takes precedence)
Definition statement

This place covers:

This group covers mainly systems for transmitting signals via wires/cables.

References
Limiting references

This place does not cover:

Arrangements for transmitting signals characterised by the use of a wireless electrical link

G08C 17/00

using pulse code
Definition statement

This place covers:

This group covers wireless control systems in which the remote control device or the controlled device is learning/teaching the code libraries/code sets.

using optical means to covert the input signal {(characterised by optical transfer means G01D 5/26; optical analogue digital converters G02F 7/00)}
References
Limiting references

This place does not cover:

Optical analog/digital converter

G01D 5/26
,G02F 7/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Analogue/digital converters

H03M 1/00

using dynamo-electric devices (operated by pulses G08C 19/20)
References
Limiting references

This place does not cover:

Operated by pulses

G08C 19/20

Informative references

Attention is drawn to the following places, which may be of interest for search:

Dynamo-electric machines

H02K

Systems for transmitting the position of an object with respect to a predetermined reference system, e.g. tele-autographic system
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Converting the pattern of mechanical parameters, e.g. force or presence, into electrical signals

G06K 11/00

Non-electrical signal transmission systems, e.g. optical systems
Definition statement

This place covers:

Non-electrical signal transmission systems for transmitting control signals.

using infrasonic, sonic or ultrasonic waves
Definition statement

This place covers:

This group covers non-electrical control signal transmission systems using infrasonic, sonic or ultrasonic waves

using light waves, e.g. infrared
Definition statement

This place covers:

This group covers systems for transmitting control signals via light waves, infrared.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared

H04B 10/00