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December 2011 CLASSIFICATION DEFINITIONS 348 - 1 December 2011 CLASSIFICATION DEFINITIONS 348 - 1 CLASS 348, TELEVISION SECTION I - CLASS DEFINITION SECTION II - LINES WITH OTHER CLASSES AND WITHIN THIS CLASS This class deals with generating, processing, transmit- ting or transiently displaying a sequence of images, COMBINATIONS OF OTHER APPARATUS WHICH either locally or remotely, in which the local light varia- INCLUDE APPARATUS OF THIS CLASS tions composing the images may change with time (e.g., natural "live" scenes) by methods involving the follow- This class does not include the following subject matter: ing steps: 1. Systems in which legible alphanumeric or like char- Step 1. The scanning of an object or a scene by parti- acter forms are analyzed according to step 1 above to tioning the object or scene into subareas of image infor- derive an electric signal from which the character is rec- mation (e.g., pels or pixels) and generating therefrom an ognized by comparison with stored information are clas- electrical signal representative of an image. sified elsewhere. (See References to Other Classes, below.) Step 2. The transient display of an object or a scene image by converting an electrical signal representative 2. Systems for the direct photographic copying of an of the object image (i.e., video signal) into a visible original picture in which an electric signal representa- image of the object. tive of a characteristic of the picture is derived and employed to modify the operation of the system are In this class, the sequence of images is intended to por- classified elsewhere. (See References to Other Classes, tray motion with exception of special television type below.) systems that produce a sequence of still images from a conventional television system (e.g., videophone, slow 3. Systems for the reproduction, according to step 2, of scan, film retrieval, and security systems). These spe- images comprising alphanumeric or computer generated cial television systems normally select an image from a graphics and systems for the conversion of a computer sequence of images of a conventional television system generated signal into a television signal are classified and normally use a transient display (e.g., CRT or liquid elsewhere. (See References to Other Classes, below.) crystal). 4. Systems for the dynamic recording, or reproducing, Facsimile images are normally of a fixed scene (e.g., of black and white television using a nonmagnetic document) that do not form a sequence, cannot portray medium, systems for the dynamic recording or repro- motion, and normally the display is fixed (e.g., hard ducing of color television, and systems for photograph- copy). (See References to Other Classes, below.) In ing displayed images are classified elsewhere. (See television recording, the sequence of images are dynam- References to Other Classes, below.) ically recorded for later reproduction. 5. Systems for the dynamic recording or reproducing of SUBCOMBINATIONS OF TELEVISION SYSTEMS black and white images from magnetic media (e.g., magnetic tape) are classified elsewhere. (See Refer- This class includes circuits specially designed for deal- ences to Other Classes, below.) ing with a peculiar component of the television signal (e.g., sync or chrominance), as distinct from merely sig- For related elements or systems, see References to Other nals of a particular frequency range. Classes, below. Electrical circuits that are not specific to television which may constitute subcombinations of such appara- SECTION III - SUBCLASS REFERENCES TO tus are classified in the appropriate class for such cir- THE CURRENT CLASS cuits. SEE OR SEARCH THIS CLASS, SUBCLASS: For a video camera or television receiver having a static 231+, and 714+, for a video camera or television storage device as subcombination, see Subclass Refer- receiver having a static storage device as sub- ences to the Current Class, below. combination. December 2011 348 - 2 CLASSIFICATION DEFINITIONS December 2011 systems for the conversion of a computer gen- erated signal into a television signal. (Lines SECTION IV - REFERENCES TO OTHER With Other Classes and Within This Class, CLASSES "Combinations of Other Apparatus Which Include Apparatus of This Class"). SEE OR SEARCH CLASS: 346, Recorders, subclasses 150.1+ for electric 73, Measuring and Testing, subclasses 596+ for recording of phenomenon, particularly sub- measuring and testing an apparatus including classes 150.2 for electric discharge and 150.3 acoustic imaging. for electrochemical, subclasses 134 for particu- 128, Surgery, subclasses 4+ for endoscopes in gen- lar record receivers, subclasses 139+ for scan- eral. ning devices for markers, and subclasses 250, Radiant Energy, subclasses 200+ and 216+ for 107.1+ for light or beam recording of phenom- photocells, circuits and optics therefor, and enon. subclasses 330+ and 338+ for devices respon- 347, Incremental Printing of Symbolic Information, sive to invisible radiation. subclasses 112+ for electrostatic marking, par- 312, Supports: Cabinet Structure, subclass 7.2 for ticularly subclasses 129+ for photo scanning, television cabinets. subclasses 224+ for light beam marking. 313, Electric Lamp and Discharge Devices, sub- 355, Photocopying, subclass 38 for systems for the classes 364+ for cathode-ray tubes. direct photographic copying of an original pic- 315, Electric Lamp and Discharge Devices: Sys- ture in which an electric signal representative tems, subclasses 1+ for cathode-ray tube cir- of a characteristic of the picture is derived and cuits. employed to modify the operation of the sys- 318, Electricity: Motive Power Systems, sub- tem. (Lines With Other Classes and Within classes 41 and 85 for synchronization circuitry. This Class, "Combinations of Other Apparatus 324, Electricity: Measuring and Testing, subclass Which Include Apparatus of This Class"). 76.12 for analysis of complex waves. 356, Optics: Measuring and Testing, subclasses 3+ 327, Miscellaneous Active Electrical Nonlinear for range or distance measurement, subclasses Devices, Circuits, and Systems, appropriate 241.1+ for borescopes, subclasses 426+ and subclasses for miscellaneous nonlinear active 237.1+ for inspection devices, and subclasses device circuits. 402+ for shade or color measuring. 329, Demodulators, subclasses 311+, 315+, 345+, 358, Facsimile and Static Presentation Processing, and 347+ for pulse frequency, phase, or ampli- appropriate subclasses for transmitting, pro- tude demodulators, respectively. cessing, or reproducing a permanent picture, 330, Amplifiers, subclass 11 for DC reinsertion cir- and particularly subclass 479 wherein the cuit, subclasses 127+ for control of power sup- image signal is generated by a television type ply, and subclass 149 for noise compensation. camera. (See References to Other Classes, 331, Oscillators, subclasses 20 and 172 for televi- above.) sion type oscillator synchronization. 359, Optical: Systems and Elements, various sub- 332, Modulators, various subclasses for modulators. classes for optical devices, especially subclass 333, Wave Transmission Lines and Networks, sub- 1 for holography, and subclasses 196.1 through classes 14 and 24+ for companders and cou- 226.3 for holographic deflectors, subclasses pling networks. 196.1 through 226.3 and 887 for light beam 334, Tuners, various subclasses for tuners, per se. deflectors and sequentially additive filters. 341, Coded Data Generation or Conversion, appro- 360, Dynamic Magnetic Information Storage or priate subclasses for A/D or D/A conversion. Retrieval, subclasses 9.1+, 14.1+, 19.1, and 342, Communications: Directive Radio Wave Sys- 33.1+ for dynamic magnetic recorders peculiar tems and Devices (e.g., Radar, Radio Naviga- to non-color television signal processing. tion), subclasses 1 through 205 for radar sys- (Lines With Other Classes and Within This tems. Class, "Combinations of Other Apparatus 345, Computer Graphics Processing and Selective Which Include Apparatus of This Class"). Visual Display Systems, for systems for the 361, Electricity: Electrical Systems and Devices, reproduction, according to the Class 348 Class subclass 243 for synchronization of shafts and Definition, step 2, of images comprising alpha- subclasses 173+ and 211 for a photosensitive numeric or computer generated graphics and device in circuits for electromagnets. December1 2011 December 2011 CLASSIFICATION DEFINITIONS 348 - 3 365, Static Information Storage and Retrieval, 430, Radiation Imagery Chemistry: Process, Com- appropriate subclasses. The storage of infor- position, or Product Thereof, appropriate sub- mation, which includes video signal process- classes for process, composition, and product ing, is excluded from this class. involving radiation imagery chemistry. 369, Dynamic Information Storage or Retrieval, 434, Education and Demonstration, subclass 307 appropriate subclasses for recording or repro- for teaching devices including television com- ducing information absent any feature peculiar binations. to video processing. 439, Electrical Connectors, for electrical connec- 370, Multiplex Communications, appropriate sub- tors, per se. classes for multiplex systems in general. 455, Telecommunications, various subclasses for 375, Pulse or Digital Communications, for commu- radio transmission or reception. nication using pulse or digital signals which do 700, Data Processing: Generic Control Systems or not include video signals, with particular Specific Applications, subclasses 90 through exception, digital television bandwidth com- 306 for the application of a computer
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