| ReturnTo Theme-Group-Choice | Onelevelup |
| 5C056 | Details of television systems | |
| H04N5/00 -5/00,101 | ||
| H04N5/00@A | AA | AA00 CONTROL SYSTEMS |
AA01 | AA02 | AA04 | AA05 | AA07 | AA09 | AA10 | |||
| . Radio systems | . . Variants using sonic waves or ultrasonic waves | . . Variants using light | . . . Variants using infrared rays | . Wired systems | . Mechanical variants | . Others | ||||||
| BA | BA00 WHAT IS CONTROLLED |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA08 | BA10 | |||
| . Television receivers | . . Channels | . . Sound volume | . . Picture quality | . . Power sources | . . Signal switching | . Video tape recorders (i.e., VTR) | . Others | |||||
| CA | CA00 TRANSMISSION-SIDE CIRCUITS |
CA01 | CA02 | CA03 | CA05 | CA06 | CA08 | CA10 | ||||
| . Formation of control signals | . . Continuous wave signals | . . . FM signals | . . Intermittent wave signals | . . . Binary code signals | . . Variants using memories | . . Variants using timers | ||||||
| CA11 | CA13 | CA15 | CA17 | CA19 | CA20 | |||||||
| . Displaying control states | . Receiving circuits are built in | . Advance programming | . Power sources | . Variants having functions other than control | . Others | |||||||
| DA | DA00 RECEIVING-SIDE CIRCUITS |
DA01 | DA02 | DA03 | DA05 | DA06 | DA08 | DA09 | ||||
| . Demodulating or distinguishing control signals | . . Continuous wave signals | . . . FM signals | . . Intermittent wave signals | . . . Binary code signals | . Displaying control states | . . Channel display | ||||||
| DA11 | DA13 | DA20 | ||||||||||
| . Driving the controlled item | . Preventing malfunctions and noise elimination | . Others | ||||||||||
| EA | EA00 STRUCTURE OF COMPONENTS |
EA01 | EA02 | EA05 | EA06 | EA09 | ||||||
| . Transmission-side housings or cases | . . Control signal output sections | . . Operating sections | . . . Keyboards | . . Sections that display control states | ||||||||
| EA11 | EA12 | EA13 | EA14 | EA17 | EA20 | |||||||
| . Receiving-side housings or cases | . . Control signal receiving sections | . . Variants for imparting directivity | . . Variants for imparting wavelength selection capability | . Installation and removal of the transmission side and receiving side | . Others | |||||||
| H04N5/00@B;5/00,101 | FA | FA00 PURPOSE |
FA01 | FA02 | FA03 | FA05 | FA06 | FA08 | FA09 | |||
| . Transmission | . . Wired | . . Two-way | . Relaying | . . Monitoring breakdowns | . Joint reception | . . Pay systems | ||||||
| FA11 | FA13 | FA20 | ||||||||||
| . For satellite broadcasting | . Master-slave television | . Others | ||||||||||
| GA | GA00 CONTROLLING CHARACTERISTICS |
GA01 | GA02 | GA04 | GA05 | GA07 | GA08 | GA09 | ||||
| . Level control | . . Automatic gain control (i.e., AGC) | . Audio/video (i.e., A/V) ratio | . Controlling frequency characteristics | . Controlling distortion characteristics | . . Amplitude distortion | . . Phase distortion | ||||||
| GA11 | GA14 | GA20 | ||||||||||
| . Eliminating disturbances | . Variants using pilot signals | . Others | ||||||||||
| HA | HA00 FUNCTIONS OF COMPONENTS |
HA01 | HA04 | HA08 | ||||||||
| . Reception | . Transmission | . Power source | ||||||||||
| HA11 | HA12 | HA13 | HA14 | HA15 | HA16 | HA20 | ||||||
| . Serial units | . . Boosters | . . Converters | . . Branching and distributors | . . Filters | . . Protecting devices | . Others | ||||||
| JA | JA00 STRUCTURE OF COMPONENTS |
JA01 | JA02 | JA03 | JA05 | JA06 | JA08 | JA10 | ||||
| . Housings/cases | . . Cover-attaching structures | . . . Structures for sealing or waterproofing | . . Shielding | . . Terminals or connectors | . Equipment-attaching structures | . Others | ||||||
| H04N5/00@Z | KA | KA00 DETAILS OF TELEVISION SYSTEMS IN GENERAL |
KA01 | KA05 | KA07 | KA09 | ||||||
| . Audio-visual (i.e., AV) systems | . Coupling with computers | . Devices for charging fees, devices for restricting viewing | . Controlling or adjusting all parts of receivers | |||||||||
| KA11 | KA12 | KA13 | KA14 | KA20 | ||||||||
| . Special applications | . . For hotels or inns | . . For mounting in vehicles | . . For medical institutions | . Others |