| Class 725 | INTERACTIVE VIDEO DISTRIBUTION SYSTEMS |
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![[List of Pre Grant Publications for class 725 subclass 1]](../as.gif) | ![[List of Patents for class 725 subclass 1]](../ps.gif) | 1 | BILLING IN VIDEO DISTRIBUTION SYSTEM |
| | 2 |  Data stored locally (e.g., at set-top box) |
| | 4 | Data stored at intermediate point (i.e., at location between headend or server and receiver) |
| | 5 | Payment method or scheme |
| | 8 | Having variable cost or free preview period |
| | 9 | USE SURVEYING OR MONITORING (E.G., PROGRAM OR CHANNEL WATCHED) |
| | 10 | Monitoring physical reaction or presence of viewer |
| | 11 |  With entry of user identification |
| | 12 | By passive determination and measurement (e.g., by detecting motion or ambient temperature, or by use of video camera) |
| | 13 | Manual entry (e.g., using keypad or by written response) |
| | 14 | By passively monitoring receiver operation |
| | 22 | COMMERCIAL OR PROGRAM AIRING VERIFICATION SYSTEM |
| | 23 | SYSTEM FOR AWARDING COUPON, TOKEN, OR CREDIT |
| | 24 | INTERACTIVE OPINION POLLING |
| | 25 | ACCESS CONTROL OR BLOCKING |
| | 26 | By mechanical lock |
| | 27 | Of specific channel |
| | 28 | Of specific program (e.g., based on program rating) |
| | 29 | Time dependent (e.g., time spent viewing program, time of day, etc.) |
| | 30 | Access via PIN or password |
| | 31 | With encryption or scrambling of video signal |
| | 32 | PROGRAM, MESSAGE, OR COMMERCIAL INSERTION OR SUBSTITUTION |
| | 33 | Emergency warning |
| | 34 | Specific to individual user or household |
| | 35 | Based on demographics or geographical area |
| | 36 | Insertion of local commercial or local program at headend or network affiliate |
| | 37 | OPERATOR INTERFACE |
| | 38 | To facilitate tuning or selection of video signal |
| | 39 | Electronic program guide |
| | 40 |  For displaying additional information |
| | 44 | Content arrangement |
| | 45 |  Based on genre, theme, or category |
| | 46 | Based on personal preference, profile, or viewing history (e.g., to produce redacted listing) |
| | 47 | User customization of display content |
| | 48 | Combined from plural information providers (e.g., combined terrestrial and satellite sources) |
| | 50 | Information updating |
| | 51 | Having link to external information resource (e.g., online resource) |
| | 52 | Navigational feature |
| | 53 | Searching (e.g., by title or actor's name) |
| | 54 | Transmission scheme |
| | 55 | Provided on recordable medium |
| | 56 | Channel guide (i.e., channel-specific as opposed to program-specific guide) |
| | 57 | Tune-by-label (i.e., channel selection by alphanumeric character entry) |
| | 58 | Program reserve or reminder system |
| | 59 | Selecting from multiple inputs or sources |
| | 60 | Interactive product selection |
| | 61 | Interactive program selection |
| | 62 | CELLULAR VIDEO DISTRIBUTION SYSTEM |
| | 63 | SATELLITE VIDEO DISTRIBUTION SYSTEM |
| | 73 | TERRESTRIAL MICROWAVE VIDEO DISTRIBUTION SYSTEM |
| | 74 | LOCAL VIDEO DISTRIBUTION SYSTEM |
| | 75 | Vehicle |
| | 78 | Multiunit or multiroom structure (e.g., home, hospital, hotel, office building, school, etc.) |
| | 86 | USER-REQUESTED VIDEO PROGRAM SYSTEM |
| | 87 | Video-on-demand |
| | 88 | VCR-like function |
| | 89 | By use of memory at receiver |
| | 90 | With particular transmission scheme (e.g., transmitting I-frames only) |
| | 91 | Server or headend |
| | 98 | Transmission network |
| | 100 | Receiver (e.g., set-top box) |
| | 101 | Near video-on-demand system (i.e., providing plural, time-staggered versions of same program) |
| | 104 | Pay-per-view |
| | 105 | VIDEO DISTRIBUTION SYSTEM WITH UPSTREAM COMMUNICATION |
| | 106 | Telephony via television distribution network |
| | 107 | Remote testing of cable system |
| | 108 | Alarm system using television network |
| | 109 | Having link to external network (e.g., interconnected computer network) |
| | 110 | Connection to external network at receiver (e.g., set-top box) |
| | 111 | Cable modem |
| | 112 | Link transmission (e.g., URL sent to user) |
| | 114 | Server or headend |
| | 118 | Transmission network |
| | 119 | Having significant intermediate network unit (e.g., hub, substation, etc.) |
| | 121 | Return path |
| | 126 | Detail of use of two-way spectrum |
| | 127 | Network component (e.g., filter, tap, splitter, amplifier, repeater, etc.) |
| | 129 | Hybrid fiber-coax network |
| | 130 | Power signal over network |
| | 131 | Receiver (e.g., set-top box) |
| | 135 | VIDEO DISTRIBUTION SYSTEM WITH LOCAL INTERACTION |
| | 136 | Interactive data transmitted in video signal band (e.g., VBI or HBI data) |
| | 138 | Headend |
| | 139 | Receiver (e.g., set-top box) |
| | 143 | VIDEO DISTRIBUTION SYSTEM COMPONENTS |