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| Number | Title | Issue Date |
| 7065333 | Method and system for playing broadcasts with a mobile telecommunication device that includes multiple tuners The invention provides a method, system, and apparatus for finding, playing, and recording broadcasts on a mobile device (400) that includes two or more tuners and also works as a cellular telephone. The user can provide specific preferences or a pattern of u... | 06/20/2006 |
| 6961550 | Radio receiver that changes function according to the output of an internal voice-only detector A radio receiver includes a voice-only detection mechanism that detects when the current radio station is transmitting mostly voice, and that changes the function of the receiver depending on whether or not the current radio station is transmitting mostly voice. In ... | 11/01/2005 |
| 6370366 | Telephony device comprising a base station and at least a subscriber unit, subscriber unit for such a telephony device and method used in such a telephony device A communication device communicates with a station and includes a receiver which receives speech signal frames from the station. The speech signal frames have speech signals. The communication device further includes a counter and an attenuation circuit. ... | 04/09/2002 |
| 6259904 | Fast squelch circuit and method A technique is used by a squelch circuit (200) that generates a fast squelch. The technique involves generating a noise signal (211) from a demodulated signal (105), generating a squelch check request (405) of one of two types, performing a release (410) ... | 07/10/2001 |
| 5864752 | Radio scan method with spatial channel marking A method used with spatial channel marking in a radio scanning technique that extends the conventional methods of channel marking to include information about the source of the signal. This information is stored on a per-channel basis whenever a mark is p... | 01/26/1999 |
| 5809407 | Receiver, an arrangement and a method for comparing two signals A receiver, an arrangement and a method for comparing two signals, based on testing whether a first signal exhibits at least one property during a first time interval, and consecutively testing if a second signal exhibits at least one similar property dur... | 09/15/1998 |
| 5077833 | Synthesizer receiver A receiver having a frequency synthesizer tuner permits channel selection by rotating a dial, and the output muting time during channel selection is varied in response to the rotational speed at which the dial is turned, so that a listener/operator can ga... | 12/31/1991 |
| 4903334 | System for preventing crosstalk in a multi-input electronic device A system for preventing crosstalk in a stereo television receiver includes a signal selection switch for selecting between signals produced by a demodulator and signals received at an auxiliary input, a controller for generating a switching control signal... | 02/20/1990 |
| 4891824 | Muting control circuit A muting control circuit is provided in which muting is performed when any one of a plurality of unlock detection signals is detected, indicating circuits is unlocked or when a data error is detected in a demodulator. In this way, reading time can be shor... | 01/02/1990 |
| 4539711 | Tuning control system for a pair of tuners employing a common channel skip memory The use of a single skip list memory for two or more tuners is made possible by indexing the starting point of a scanning selection operation to the last channel tuned by the tuner which is to be controlled.... | 09/03/1985 |
| 4317226 | Circuit arrangement for tuning into one of a number of radioelectric signals A circuit arrangement for tuning into one of a number of radioelectric signals receivable on a signal receiver, comprising a controllable oscillator the frequency of which is determined by a control loop depending on a digital number N from a processing u... | 02/23/1982 |
| 4292686 | Tuning system for receiver of pilot-modulated carrier waves A radio receiver, especially one for automotive vehicles, includes a selector switch operable to cut off the audio stage unless the r-f stage is tuned to a carrier modulated by a pilot frequency which triggers a detector therefor into emission of an enabl... | 09/29/1981 |
| 4287599 | Multi-channel communication device with manual and automatic scanning electronic channel selection A transceiver is disclosed that has a manual scanning electronic channel selection switch with a single actuator that can readily select any one of a predetermined plurality of discrete channels by step tuning the transceiver to each of the discrete chann... | 09/01/1981 |
| 4280139 | Muting circuit for a television receiver A muting circuit for a television receiver of the type having a tuner which is operative to select a desired channel in accordance with a channel selection operation to produce a channel select signal representing the selected channel, a detector circuit ... | 07/21/1981 |
| 4244055 | Tuner with phase locked loop synthesizer A PLL tuning device in a receiver uses a digital memory board and array of photo-transistors scanning the memory board for station selection. When the transistors are lined up with a column, a digital output is fed to a switching device and to a programma... | 01/06/1981 |
| 4228542 | Digital tuning FM stereophonic receiver including phase locked loop synthesizer A digital tuning FM stereophonic receiver of the type including a phase locked loop synthesizer. A digital code generating circuit is provided for generating a digital code which consists of several bits to be applied to a programmable frequency divider i... | 10/14/1980 |
| 4225971 | Tuning apparatus for providing tuning indication Tuning apparatus which is tunable to different broadcast frequencies and including a scale provided with indicia corresponding to such broadcast frequencies and a pointer movable across the scale to indicate the particular broadcast frequency to which the... | 09/30/1980 |
| 4207530 | Electrically tunable inductor and method A radio receiver having a tunable RF stage with an electrically tunable inductor is disclosed. The tunable inductor consists of a magnetic device with a core whose degree of magnetic saturation is controlled by various control currents. A phase lock loop ... | 06/10/1980 |
| 4163203 | Tuning apparatus for selecting preset broadcast frequencies In a tuning apparatus for a broadcast receiver having a dial scale calibrated to represent broadcast frequencies over a predetermined frequency band, and along which an indicator is movable for indicating the broadcast frequency to which the tuning appara... | 07/31/1979 |
