Television Patents (Class 348)
- Over wireless communication (Class 348/14.02)
- User interface (e.g., touch screen menu) (Class 348/14.03)
- Operating with other appliance (e.g., TV, VCR, FAX, etc.) (Class 348/14.04)
- Remote control (Class 348/14.05)
- Answering machine (Class 348/14.06)
- Display arrangement (e.g., multiscreen display) (Class 348/14.07)
- Conferencing (e.g., loop) (Class 348/14.08)
- Switching (Class 348/14.11)
- Transmission control (e.g., resolution or quality) (Class 348/14.12)
- User positioning (e.g., parallax) (Class 348/14.16)
- Aid for the blind (Class 348/62)
- Combined electronic sensing and photographic film cameras (Class 348/64)
- With endoscope (Class 348/65)
- Human body observation (Class 348/77)
- Microscope (Class 348/79)
- Underwater (Class 348/81)
- Hazardous or inaccessible (Class 348/82)
- Manufacturing (Class 348/86)
- Film, disc or card scanning (Class 348/96)
- Navigation (Class 348/113)
- Simulator (Class 348/121)
- Flaw detector (Class 348/125)
- Object or scene measurement (Class 348/135)
- Observation of or from a specific location (e.g., surveillance) (Class 348/143)
- Object comparison (e.g., remote verification of signature, etc.) (Class 348/161)
- Camera connected to computer (Class 348/207.1)
- Camera connected to printer (Class 348/207.2)
- Camera image stabilization (Class 348/208.99)
- With flying spot scanner (Class 348/209.99)
- Remote control (Class 348/211.99)
- With streak device (Class 348/215.1)
- Low light level (Class 348/216.1)
- Unitary image formed by compiling sub-areas of same scene (e.g., array of cameras) (Class 348/218.1)
- Swing driven (Class 348/219.1)
- Still and motion modes of operation (Class 348/220.1)
- Combined image signal generator and general image signal processing (Class 348/222.1)
- With plural image scanning devices (Class 348/262)
- With single image scanning device supplying plural color signals (Class 348/266)
- Solid-state image sensor (Class 348/294)
- Cathode-ray tube (Class 348/325)
- Array of photocells (i.e., nonsolid-state array) (Class 348/332)
- With electronic viewfinder or display monitor (Class 348/333.01)
- Optics (Class 348/335)
- With object or scene illumination (Class 348/370)
- Power supply (Class 348/372)
- Support or housing (Class 348/373)
- Plural video programs in single channel (Class 348/385.1)
- Multiple channel (e.g., plural carrier) (Class 348/388.1)
- Data rate reduction (Class 348/390.1)
- Format type (Class 348/426.1)
- Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band) (Class 348/438.1)
- Frame field or line dropping followed by time expansion and time compression (Class 348/439.1)
- Scan rate variation (Class 348/440.1)
- Involving polar to Cartesian or vice versa (Class 348/442)
- Involving both line number and field rate conversion (e.g., PAL to NTSC) (Class 348/443)
- Conversion between standards with different aspect ratios (Class 348/445)
- Progressive to interlace (Class 348/446)
- Field rate type flicker compensating (Class 348/447)
- Line doublers type (e.g., interlace to progressive IDTV type) (Class 348/448)
- Specified chrominance processing (Class 348/453)
- Changing number of lines for standard conversion (Class 348/458)
- Changing number of fields for standard conversion (Class 348/459)
- Adapted to reduce noise or for frequency modulation (e.g., variable gain) (Class 348/470)
- Including pulse modulation of video signal (e.g., pulse width, PAM) (Class 348/471)
- Including additional information (Class 348/473)
- Broadband (e.g., occupying two adjacent channels or parts thereof) (Class 348/487)
- Specified color signal format (Class 348/488)
- Of sync signal (Class 348/495)
- Reprocessing (Class 348/501)
- For sequential color components (Class 348/503)
- Phase locking regenerated subcarrier to color burst (Class 348/505)
- Locking of computer to video timebase (Class 348/510)
- Control of picture position (Class 348/511)
- Locking of video or audio to reference timebase (Class 348/512)
- Sync generation (Class 348/521)
- Sync separation (Class 348/525)
- Automatic phase or frequency control (Class 348/536)
- To achieve interlaced scanning (Class 348/550)
- Of mechanical scan (Class 348/551)
- A/D converters (Class 348/572)
- Video reprocessing (Class 348/575)
- Selective image modification (e.g., touch up) (Class 348/576)
- Special effects (Class 348/578)
- Display controlled by ambient light (Class 348/602)
- Including nonstandard signal detection controlling processing (Class 348/604)
- Including vertical interval reference (e.g., VIR) (Class 348/605)
- Combined noise reduction and transition sharpening (Class 348/606)
- Noise or undesired signal reduction (Class 348/607)
- Transition or edge sharpeners (Class 348/625)
- Sound muting (Class 348/632)
- Picture blanking (Class 348/634)
- Chrominance signal demodulator (Class 348/638)
- Color encoder or chrominance signal modulator (Class 348/642)
- Color killer (Class 348/643)
- Chrominance signal amplitude control (e.g., saturation) (Class 348/645)
- Hue control (Class 348/649)
- Color balance or temperature (e.g., white balance) (Class 348/655)
- Matrixing or mixing (Class 348/659)
- Chrominance phase adjuster (e.g., inverter) (Class 348/662)
- Chrominance-luminance signal separation (Class 348/663)
- Gray scale transformation (Class 348/671)
- Brightness control (Class 348/687)
- White limiter (Class 348/690)
- DC insertion (Class 348/691)
- Motion vector generation (Class 348/699)
- Motion dependent key signal generation or scene change detection (Class 348/700)
- Hue or saturation detector (Class 348/703)
- Sweep expansion or reduction (Class 348/704)
- Switching (Class 348/705)
- Amplifiers (Class 348/707)
- Color television signal processing (Class 348/708)
- With details of static storage device (Class 348/714)
- Digital (Class 348/720)
- Demodulator (Class 348/726)
- Color television (Class 348/728)
- Television receiver adapted to receive radio broadcast or in combination with radio receiver (Class 348/729)
- Power supply (Class 348/730)
- Tuning (Class 348/731)
- Remote control (Class 348/734)
- Automatic frequency control (Class 348/735)
- Sound traps (Class 348/736)
- Intercarrier circuits (Class 348/737)
- Sound circuit (Class 348/738)
- Array of shutters (Class 348/740)
- Red-white phenomena (Class 348/741)
- Color sequential (Class 348/742)
- Projection device (Class 348/744)
- Liquid crystal (Class 348/790)
- Direct viewed light valve (Class 348/795)
- Vacuum panel (Class 348/796)
- Gas discharge (Class 348/797)
- Array of lamps (Class 348/798)
- Electroluminescent (e.g., scanned matrix, etc.) (Class 348/800)
- With optical fiber device (Class 348/804)
- Cathode-ray tube (Class 348/805)
- Cabinet or chassis (Class 348/836)
E Subclasses
- Picture signal generators (EPO) (Class 348/E9.002)
- Picture reproducers (EPO) (Class 348/E9.012)
- Conversion of monochrome picture signals to color picture signals for color picture display (EPO) (Class 348/E9.028)
- Color synchronization (EPO) (Class 348/E9.029)
- Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g., adjusting the phase of the brightness signal relative to the color signal, correcting differential gain or differential phase (Class 348/E9.035)
- Circuits for processing color signals (EPO) (Class 348/E9.037)
- Systems with supplementary picture signal insertion during a portion of the active part of a television signal, e.g., during top and bottom lines in a HDTV letter-box system (EPO) (Class 348/E7.002)
- Conversion of standards (EPO) (Class 348/E7.003)
- High-definition television systems (EPO) (Class 348/E7.004)
- Systems for the transmission of digital nonpicture data, e.g., of text during the active part of a television frame (EPO) (Class 348/E7.017)
- Systems for the simultaneous or sequential transmission of more than one television signal, e.g., additional information signals, the signals occupying wholly or partially the same frequency band (EPO) (Class 348/E7.024)
- Systems for the transmission of one television signal, i.e., both picture and sound, by a single carrier (EPO) (Class 348/E7.04)
- Systems for the simultaneous transmission of one television signal, i.e., both picture and sound, by more than one carrier (EPO) (Class 348/E7.042)
- 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 (EPO) (Class 348/E7.045)
- Adaptations for transmission by electric cable (EPO) (Class 348/E7.049)
- Secrecy systems; Subscription systems (EPO) (Class 348/E7.054)
- Systems for two-way working (EPO) (Class 348/E7.077)
- Closed circuit television systems, i.e., systems in which the signal is not broadcast (EPO) (Class 348/E7.085)
- Special television systems not provided for by E7.002 to E7.085 (EPO) (Class 348/E7.091)
- Adaptations for transmission via a GHz frequency band, e.g., via satellite (EPO) (Class 348/E7.093)
- Adaptations for optical transmission (EPO) (Class 348/E7.094)
- Multimedia set-top circuitry for digital video services (EPO) (Class 348/E5.002)
- Multimedia server circuitry for digital video services (EPO) (Class 348/E5.008)
- Synchronizing (EPO) (Class 348/E5.009)
- Studio circuitry; Studio devices; Studio equipment (EPO) (Class 348/E5.022)
- Picture signal circuitry for video frequency region (EPO) (Class 348/E5.062)
- Transforming light or analogous information into electric information (EPO) (Class 348/E5.085)
- Transmitter circuitry (EPO) (Class 348/E5.093)
- Receiver circuitry (EPO) (Class 348/E5.096)
- Generation or supply of power specially adapted for television receivers (EPO) (Class 348/E5.127)
- Constructional details of receivers, e.g., cabinets, dust covers (EPO) (Class 348/E5.128)
- Transforming electric information into light information (EPO) (Class 348/E5.133)
- Modifying the appearance of television pictures by optical filters or diffusing screens (EPO) (Class 348/E5.136)
- Projection arrangements for image reproduction, e.g., using eidophor (EPO) (Class 348/E5.137)
Cross-Reference Art Collections
Foreign Patent Art Collections
- Plural video programs in single channel (348/385) (Class 348/FOR101)
- Multiple channel (e.g., plural carrier) (348/388) (Class 348/FOR104)
- Bit-rate reduction (348/390) (Class 348/FOR106)
- Format type (e.g., HDTV or EDTV) (348/426) (Class 348/FOR146)
- Individual processing of different parts of image frequency band (e.g., sum and difference, high band/low band) (438/438) (Class 348/FOR158)
- Frame field or line dropping followed by time expansion and time compression (348/439) (Class 348/FOR159)
- Scan rate variation (348/440) (Class 348/FOR160)
- With electronic viewfinder or display monitor (348/333) (Class 348/FOR161)
- Broadcast on demand (348/7) (Class 348/FOR170)
- Local distribution (e.g., hotel, hospital, vehicle, etc.) (348/8) (Class 348/FOR171)
- Controlled signal substitution (e.g., emergency warning, local preemption, etc.) (348/9) (Class 348/FOR172)
- With subscriber terminal details (348/10) (Class 348/FOR173)
- Two-way (348/12) (Class 348/FOR175)
- Camera image stabilization (348/208) (Class 348/FOR185)
- With flying spot scanner (348/209) (Class 348/FOR186)
- Remote control (348/211) (Class 348/FOR188)
- With streak device (348/215) (Class 348/FOR192)
- Low light level (348/216) (Class 348/FOR193)
- Unitary image formed by compiling sub-areas of same scene (e.g., array of cameras) (348/218) (Class 348/FOR195)
- Swing driven (Class 348/FOR196)
- Still and motion modes of operation (348/220) (Class 348/FOR197)
- Combined image signal generator and general image signal processing (348/222) (Class 348/FOR199)
