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H04N7/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
H
ELECTRICITY
H04
Electric communication
H04N
PICTORIAL COMMUNICATION
Current Industry
H04N7/00
Television systems
Sub Industries
H04N7/002
Special television systems not provided for by H04N7/007 - H04N7/18
H04N7/005
using at least one opto-electrical conversion device
H04N7/007
Systems with supplementary picture signal insertion during a portion of the active part of a television signal
H04N7/01
Conversion of standards involving analogue television standards or digital television standards processed at pixel level
H04N7/0102
involving the resampling of the incoming video signal
H04N7/0105
using a storage device with different write and read speed
H04N7/0107
using beam gun storage
H04N7/011
using magnetic recording
H04N7/0112
one of the standards corresponding to a cinematograph film standard
H04N7/0115
with details on the detection of a particular field or frame pattern in the incoming video signal
H04N7/0117
involving conversion of the spatial resolution of the incoming video signal
H04N7/012
Conversion between an interlaced and a progressive signal
H04N7/0122
the input and the output signals having different aspect ratios
H04N7/0125
one of the standards being a high definition standard
H04N7/0127
by changing the field or frame frequency of the incoming video signal
H04N7/013
the incoming video signal comprising different parts having originally different frame rate
H04N7/0132
the field or frame frequency of the incoming video signal being multiplied by a positive integer
H04N7/0135
involving interpolation processes
H04N7/0137
dependent on presence/absence of motion
H04N7/014
involving the use of motion vectors
H04N7/0142
the interpolation being edge adaptive
H04N7/0145
the interpolation being class adaptive
H04N7/0147
the interpolation using an indication of film mode or an indication of a specific pattern
H04N7/015
High-definition television systems
H04N7/0152
using spatial or temporal subsampling
H04N7/0155
using pixel blocks
H04N7/0157
with motion estimation
H04N7/025
Systems for the transmission of digital non-picture data
H04N7/0255
Display systems therefor
H04N7/03
Subscription systems therefor
H04N7/035
Circuits for the digital non-picture data signal
H04N7/0352
for regeneration of the clock signal
H04N7/0355
for discrimination of the binary level of the digital data
H04N7/0357
for error detection or correction
H04N7/04
Systems for the transmission of one television signal
H04N7/045
the carrier being frequency modulated
H04N7/06
Systems for the simultaneous transmission of one television signal
H04N7/063
Simultaneous transmission of separate parts of one picture
H04N7/066
the carriers being allocated to more than one television channel
H04N7/08
Systems for the simultaneous or sequential transmission of more than one television signal
H04N7/0803
using frequency interleaving
H04N7/0806
the signals being two or more video signals
H04N7/081
the additional information signals being transmitted by means of a subcarrier
H04N7/083
with signal insertion during the vertical and the horizontal blanking interval
H04N7/084
with signal insertion during the horizontal blanking interval only
H04N7/085
the inserted signal being digital
H04N7/0855
the signal being time-compressed before its insertion and subsequently decompressed at reception
H04N7/087
with signal insertion during the vertical blanking interval only
H04N7/088
the inserted signal being digital
H04N7/0881
the signal being time-compressed before its insertion and subsequently decompressed at reception
H04N7/0882
for the transmission of character code signals
H04N7/0884
for the transmission of additional display-information
H04N7/0885
for the transmission of subtitles
H04N7/0887
for the transmission of programme or channel identifying signals
H04N7/0888
Subscription systems therefor
H04N7/10
Adaptations for transmission by electric cable
H04N7/102
Circuits therefor
H04N7/104
Switchers or splitters
H04N7/106
for domestic distribution
H04N7/108
the cable being constituted by a pair of wires
H04N7/12
Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
H04N7/122
involving expansion and subsequent compression of a signal segment
H04N7/125
the signal segment being a picture element
H04N7/127
Systems in which different parts of the picture signal frequency band are individually processed
H04N7/14
Systems for two-way working
H04N7/141
between two video terminals
H04N7/142
Constructional details of the terminal equipment
H04N7/144
camera and display on the same optical axis
H04N7/147
Communication arrangements
H04N7/148
Interfacing a video terminal to a particular transmission medium
H04N7/15
Conference systems
H04N7/152
Multipoint control units therefor
H04N7/155
involving storage of or access to video conference sessions
H04N7/157
defining a virtual conference space and using avatars or agents
H04N7/16
Analogue secrecy systems Analogue subscription systems
H04N7/161
Constructional details of the subscriber equipment
H04N7/162
Authorising the user terminal
H04N7/163
by receiver means only
H04N7/164
Coin-freed apparatus
H04N7/165
Centralised control of user terminal ; Registering at central
H04N7/166
Passage/non-passage of the television signal
H04N7/167
Systems rendering the television signal unintelligible and subsequently intelligible
H04N7/1675
Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
H04N7/169
Systems operating in the time domain of the television signal
H04N7/1693
by displacing synchronisation signals relative to active picture signals or vice versa
H04N7/1696
by changing or reversing the order of active picture signal portions
H04N7/171
Systems operating in the amplitude domain of the television signal
H04N7/1713
by modifying synchronisation signals
H04N7/1716
by inverting the polarity of active picture signal portions
H04N7/173
with two-way working
H04N7/17309
Transmission or handling of upstream communications
H04N7/17318
Direct or substantially direct transmission and handling of requests
H04N7/17327
with deferred transmission or handling of upstream communications
H04N7/17336
Handling of requests in head-ends
H04N7/17345
Control of the passage of the selected programme
H04N7/17354
in an intermediate station common to a plurality of user terminals
H04N7/17363
at or near the user terminal
H04N7/18
Closed circuit television systems
H04N7/181
for receiving images from a plurality of remote sources
H04N7/183
for receiving images from a single remote source
H04N7/185
from a mobile camera
H04N7/186
Video door telephones
H04N7/188
Capturing isolated or intermittent images triggered by the occurrence of a predetermined event
H04N7/20
Adaptations for transmission via a GHz frequency band
H04N7/22
Adaptations for optical transmission
H04N7/24
Systems for the transmission of television signals using pulse code modulation
H04N7/52
Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals
H04N7/54
the signals being synchronous
H04N7/56
Synchronising systems therefor
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