Class 455/160.1 - Plural tuning modes (e.g., manual and scanning, etc.)

Subclass of Class 455 - Telecommunications
Definition: Subject matter having two or more signal selection means
No. of patents: 40
Last issue date: 09/21/2010

Number	Title	Issue Date
7801500	Electronic device and method therefor An electronic device includes a radio tuner capable of receiving broadcast media contents and information about each of the broadcast media contents from a plurality of radio stations; a user communication interface configured for receiving from a user a list of des...	09/21/2010
7415088	Multi-standard baseband receiver Techniques for processing incoming signals conforming to a plurality of standards or communication formats with a single baseband receive section are disclosed. In one aspect, a plurality of analog processing components are adjusted in response to a format select si...	08/19/2008
7116963	Simplified high frequency tuner and tuning method A disclosed method tunes a signal from a channelized spectrum having a predetermined channel spacing. A signal of interest having a predetermined maximum bandwidth is mixed with a local oscillator signal, which has a frequency that is an integer multiple of the chan...	10/03/2006
7013140	Mobile terminals and methods for performing fast initial frequency scans and cell searches A mobile terminal can identify cellular control channels that can be received by the mobile terminal from a cellular system, by identifying a cellular control channel that can be received from a history list of cellular control channels that were previously received...	03/14/2006
7013124	Wide band tuner When changeover switch (26) selects the output of L band filter (23), changeover switch (28) is turned off and mixer (29) is operated as an amplifier such that the oscillation frequency of local oscillator (31) is controlled based ...	03/14/2006
6975844	Tuner receiving system, control unit for receiving radio waves by using tuner, storage medium from which data can be read out by using computer, and method of receiving radio waves by using tuner A tuner receiving system, a control unit for controlling a tuner receiving operation, a computer readable storage medium, and a method of receiving radio waves by using a tuner, are disclosed. The tuner receiving system outputs video and audio signals by processing ...	12/13/2005
6925290	Radio receiver A radio receiver embodying the present invention comprises, a front-end circuit for selecting a broadcasting wave of a certain frequency from broadcasting waves received, a memory for storing a channel registering table, tuning key, and a control circuit. A channel ...	08/02/2005
6904108	Bandpass-limiting device for a receiver In a bandwidth-limiting apparatus, control is performed of the oscillation frequencies of each of three local oscillators of three intermediate-frequency circuits, and the passband is limited by adjusting the width of and shifting the IF, the intermediate frequency ...	06/07/2005
6343209	Tuner for digital and analog use A tuner for both digital and analog use that can receive both digital broadcast and analog broadcast signals, includes a signal input terminal; a frequency conversion section which converts and inputted signal to an IF signal; and a switching/distributing...	01/29/2002
5877701	Radio pager reporting frequency band information A radio pager of the present invention includes a non-volatile memory storing frequency information for each of a plurality of frequency bands for the confirmation of a frequency band. The frequency information are sequentially read out of the memory whil...	03/02/1999
5535442	FM tuner having improved tuning speed An FM tuner capable of speeding up an AF search and a PTY search. A tuning operation by the FM tuner with an RDS demodulator is continuously controlled until a tuning is decided in accordance with a tuning signal outputted from a detector or a count of an...	07/09/1996
5530701	Network link controller A link controller for use in a node of a network includes a digital controller (102) that employs a knowledge-based control program (103). The device and method provide flexible master node designation, automatic installation, configuration and reconfigur...	06/25/1996
5524289	Method and circuit for an automatic, high precision frequency fine tuning For the purpose of a high precision frequency fine tuning, for example, to a certain television channel, an analog circuit, the frequency of which can be balanced, for example, an demodulator, is balanced in an integrated circuit with the help of a contro...	06/04/1996
5214790	Enhanced talkgroup scan algorithm An enhanced talkgroup scanning algorithm is provided. This algorithm provides an efficient scan function when a unit scan list contains a mixture of trunked talkgroups and conventional channels. This is accomplished by adding a new scanning algorithm for ...	05/25/1993
5161023	Previous channel feature in a television receiver having multiple RF inputs In a television receiver including a plurality of RF input terminals, each of which having a respective scan list, and each scan list having an associated Last Tuned Channel register, and having a common Current Channel register, there is provided a Previ...	11/03/1992
5109543	Hardware interface and protocol for a mobile radio transceiver A system and method for communicating control signals between a digital mobile transceiver, a digital control head, and a mobile data terminal over a common serial peripheral bus uses a message protocol and architecture which is efficient and yet provides...	04/28/1992
5103314	Color-coded system for selection of RF input terminals and associated scan lists In a television receiver including a plurality of RF input terminals, each of which having a respective scan list, the channel numbers of respective scan lists are displayed in respective colors to indicate to the viewer which RF input terminal and associ...	04/07/1992
5086513	Digital radio transceiver programmer with advanced user interface A digital radio communications transceiver programming apparatus and method are used to load personality defining information in a non-volatile EEPROM memory within a portable or mobile digital radio transceiver. A user interface defines display formats o...	02/04/1992
4627100	Wide band radio receiver A circuit arrangement for a wide band superheterodyne radio receiver for receiving wide band FM, narrow band FM, and AM modulated radio signals between 25 and 550 MHz. The first LO is a phase locked loop controlled VCO, with central processing unit contro...	12/02/1986
4525864	Device for generating a tuning frequency set command signal of a tuner system A device for generating a tuning frequency set command signal for a tuner system having a manual tuning mode and an automatic channel scanning mode, including a manually operable means for generating an up control signal for raising the tuning frequency a...	06/25/1985
4461036	Processor controlled scanning radio receiver There is disclosed a processor controlled scanning radio receiver which employs a microprocessor controller to operate in various modes. One mode of operation is a search/recall mode wherein frequencies located during an automatic search operation are sto...	07/17/1984
4389732	Tuning device for radio receiver A tuning device for a radio receiver comprises a manual tuning system to manually drive a variable capacitor and an automatic tuning system to drive the same by a motor, wherein the mechanism for transmitting a motive force of a manipulated tuning knob to...	06/21/1983
4380826	Control system for channel selection A channel-selection control system for a frequency synthesizer type receiver which comprises: a frequency synthesizer (1); a plurality of switches (SW1, SW2) corresponding to channels having different broadcasting programs, respectiv...	04/19/1983
4361907	Direct access channel selection apparatus for a digital tuning system In a channel selection arrangement including scanning apparatus for causing the next channel after a presently selected channel to be selected when activated and skipping apparatus for automatically activating the scanning apparatus when the selected chan...	11/30/1982
4352208	Automatic IF selectivity for radio receiver system A microprocessor controlled radio receiver system for switching bandwidths of an intermediate frequency stage from a normally scanning mode using a relatively narrow bandwidth to a second mode using a relatively wide bandwidth automatically when there are...	09/28/1982
4314375	Television tuning system The present invention relates to a television tuning system comprising a frequency synthesizer, which includes a variable frequency divider and which enables the television set to be selectively tuned to different television channels, and an arrangement o...	02/02/1982
4313214	Electronic tuning radio receiver An electronic tuning radio receiver for executing digital channel selection is provided with a circuit means (b9) for detecting that a receiving frequency is out of the band and circuits (60, 62, 48, 50) for returning the receiving frequency wi...	01/26/1982
4277785	Radio control circuit with microprocessor An FM tuner control circuit contains a digital frequency synthesizing control circuit, digital computer means including a microprocessor, a memory circuit, and a manual control circuit for digitally tuning the tuner to any desired FM station. The memory c...	07/07/1981
4276654	Scan-lock control of solid state digitally synthesized receivers A scan-lock control device is provided for use with a high frequency receiver in a manner which adds frequency scanning and lock-up functions to the receiver without affecting any of the receiver's other functions. The scan-lock control incorporates an in...	06/30/1981
4234961	Receiver comprising a tuning member and an automatic tuning correction suppression circuit By using a optical switch, which can be operated by the tuning knob of a receiver, signals can be obtained which accurately correspond to the operation of the tuning knob for switch-over of the receiver to a continuous manual tuning mode and for suppressi...	11/18/1980
4207522	Programmable frequency scanning radio system A frequency scanning radio system and programming means for selecting the frequencies to be used, and to determne whether or not the channels are in use. The programming means controls not only the direction but also the speed of the frequency scanning in...	06/10/1980
4137502	Radio-receiver or tuner provided with solid state memorizing means for a multiplicity of reception frequencies A radio-receiver or tuner provided with a solid state memory for a multiplicity of reception frequencies, comprising: a manual member for controlling a tuner having two different positions, namely manual and memory. The manual member in its "manual" condi...	01/30/1979
4123715	Program apparatus for radio receiver using frequency synthesizer There is disclosed a signal-seeking superheterodyne radio receiver for use on the public service radio frequencies capable of scanning among a plurality of channels and using frequency synthesizing apparatus to generate the required local oscillator signa...	10/31/1978
4122395	Radio control circuit with microprocessor An FM tuner control circuit contains a digital frequency synthesizing control circuit, digital computer means including a microprocessor, a memory circuit, and a manual control circuit for digitally tuning the tuner to any desired FM station. The memory c...	10/24/1978
4114104	Channel skip memory system for radio receiver A channel skip memory system for radio receiver having a single channel skipping switch to inhibit the radio receiver from receiving any of selected channels of a plurality of channels of predetermined frequencies while scanning repetitively those channel...	09/12/1978
4114102	Radio channel skip system A rapid channel skip system for radio receiver having a single channel skipping switch to inhibit the radio receiver from receiving any of selected channels of a plurality of channels of predetermined frequencies while scanning repetitively those channel ...	09/12/1978
4081752	Digital frequency synthesizer receiver A scanning type frequency synthesized receiver utilizing a voltage controlled oscillator (VCO) for producing a local oscillator signal. The control voltage for the VCO is provided in response to the division rate of a programmable divider. A control circu...	03/28/1978
4027251	Radio receiver using frequency synthesizer There is disclosed a signal-seeking, scanning superheterodyne radio receiver using frequency synthesizing apparatus to generate the required local oscillator signals and capable of receiving signals on all four bands comprising the public service radio fr...	05/31/1977
3961261	Crystalless scanning radio receiver A scanning FM monitor receiver is disclosed which is of the superheterodyne type and is capable of scanning and receiving a plurality of channels on a plurality of bands. The receiver incorporates a phase-locked-loop frequency synthesizer which eliminates...	06/01/1976
3942121	Digital tuning method and system Digitally controlled tuning by storing a digital code representative of the frequency of a selected channel and generating successive digital counts, each proportional to the number of cycles of an oscillator signal in each of a plurality of successive un...	03/02/1976

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Class 455/160.1 - Plural tuning modes (e.g., manual and scanning, etc.)