Digital broadcasting receiver and channel information registration processing method in digital broadcasting receiver
January 14, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesChannel selecting apparatus and method used in a television receiving apparatus and capable of memorizing channel data Automatic fine tuning circuit Channel selecting apparatus automatically detecting different modes of television signals Method for channel selection and tuning based upon set channel positions Receiving apparatus for performing digital broadcast channel selection and demodulation Television receiver Automatic frequency tracking apparatus and method for a television signal receiving system Apparatus and method for auto channel searching of video display apparatus LNB drift search system for DBS products Method and apparatus for searching channels Patent #: 6765628 InventorAssigneeApplicationNo. 10043155 filed on 01/14/2002US Classes:348/732, Search tuning348/731, Tuning348/725, RECEIVER CIRCUITRY348/729, Television receiver adapted to receive radio broadcast or in combination with radio receiver455/135, By signal quality (e.g., signal to noise ratio)455/185.1, With channel information storage725/38, To facilitate tuning or selection of video signal348/735, Automatic frequency control725/57, Tune-by-label (i.e., channel selection by alphanumeric character entry)375/316RECEIVERSExaminersPrimary: Ometz, David L.Assistant: Désir, Jean Wicel Attorney, Agent or FirmForeign Patent References
International ClassesH04N 5/50H04N 5/44 AbstractDisclosed in a digital broadcasting receiver comprising first means for performing pre-scan processing for successively tuning in on channels previously set, to examine whether or not a received signal on each of the channels is of a predetermined quality or more, and temporarily registering the channel numbers of the channels on which the received signals are of the predetermined quality or more in a storage device as receivable channel candidates, and second means for performing normal scan processing for successively tuning in on the receivable channel candidates temporarily registered in the storage device by the first means, to acquire and register necessary channel information.Other References
Field of SearchSearch tuningTuning voltage Tuning RECEIVER CIRCUITRY Demodulator Television receiver adapted to receive radio broadcast or in combination with radio receiver To facilitate tuning or selection of video signal Receiver For digital signal With tuning Channel selection or allocation With channel information storage With memory control or programming Signal selection based on frequency (e.g., tuning) With indication of frequency, channel, or selector condition (e.g., tuning aid) Channel or station selection By signal quality (e.g., signal to noise ratio) With control (e.g., automatic gain control, automatic frequency control, etc.) | |
