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7599719 |
Telephone and telephone accessory signal generator and methods and devices using the same
A device includes a telephone accessory configured and arranged to transmit an audio signal; and an audio effects generator coupled to the telephone accessory or a video effects generator. The...
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RE40836 |
Apparatus and methods for providing text information identifying audio program selections
Apparatus and methods are disclosed for providing text information which identifies audio program selections, such as musical selections, stored on a compact disk (CD). Digital identification...
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7532912 |
Mobile radio device having movable pointer on display screen
A mobile radio device improves its operability with a simple configuration and facilitates the pointing operation of a pointer displayed on a screen to a desired area. First apparatus displays a...
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7457596 |
Method and apparatus for determining the receptivity of radio signals
A method and apparatus for determining the receptivity of radio signals at any given receiving site in an area covered by at least one transmitter by comparing data stored and continuously updated...
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7433706 |
Multiband transmitting and receiving apparatus and method using a control voltage of phase locked loop
A multiband RF transmitting and receiving apparatus and a method therefore is capable of using a control voltage from a phase locked loop (PLL) to control other components, as well as a voltage...
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7403753 |
Receiving system operating on multiple audio programs
A receiver contains a demodulator system that can deliver a stream of digital data comprising at least a first and a second audio program. If a user selects the first audio program, the receiver...
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7369824 |
Receiver storage system for audio program
A receiver contains a demodulator system that can deliver a stream of digital data comprising at least a first and a second set of audio data. In a first time interval, a memory is used to store...
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7206613 |
Method and apparatus for adjusting level of alert sound in portable telephone
Disclosed is a method and apparatus for adjusting alert sound which can prevent a user from being surprised or suffering ear damage by abrupt alert sound. According to the invention, alert sound is...
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6904270 |
Radio receiver for processing digital and analog audio signals
A receiver contains a demodulator system that can derive an analog audio signal and compressed digital data from radio frequency signal. The receiver also contains a decompressor that can...
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6711414 |
Wearable computing device capable of responding intelligently to surroundings
Techniques and approaches that enable wireless communication devices, namely, wearable devices, to assist users in new ways by interacting with other devices or surroundings to notify users of...
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6137830 |
Measuring bit error rate performance of a receiver by the receiver and conveying measurement acoustically
A system (100) for measuring bit error rate performance of a radio device by the radio device and conveying measurement acoustically includes a test controller (102), a pattern generator (104), a...
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6127936 |
Apparatus for and method of providing an indication of the magnitude of a quantity
An apparatus for and a method of providing a visual and/or audible indication of a numerical quantity. The quantity may be derived from any source such as an analog or digital quantity. The...
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5939982 |
Apparatus for monitoring opening of sealed containers
Apparatus for monitoring opening of sealed enclosures, especially, but not exclusively, sealed containers containing goods-in-transit, such as goods vehicles, maritime containers or transport...
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5911118 |
Scanner with audible identification of tuned channel
A scanning receiver channel identification apparatus and method comprising a scanning receiver, means for generating annunciations to be associated with the channels to which the scanning receiver...
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5794138 |
Satellite broadcast system receiver
A radio receiver augmentation system for insertion in a cassette player or compact disc player includes a receiver unit and an antenna unit. The receiver unit includes an insertable element having...
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5701588 |
Pictorial display apparatus for receivers for implementing the pictorial display
In selecting at least one of plural informing mechanisms as a selected informing mechanism, a waveform symbol is displayed on an LCD representing the selected informing mechanism. The waveform...
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5448768 |
Aircraft data communication employing existing voice channels
A system for communicating data between an aircraft and ground unit over conventional amplitude modulated (AM) voice radio channels employs a data collection unit for collecting data desired to be...
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5404582 |
Aural annunciator circuit for a receiver
An aural annunciator circuit for a radio receiver and a radio transceiver incorporating such. The annunciator circuit is operative to generate an aural signal when a signal is transmitted to the...
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5220681 |
Electronic signal decoder display/enunciator apparatus for electronic signal receivers
A decoding and display mechanism that may be integrated with avionics, navigation and communications equipment whose encoded audio output is normally monitored directly through the pilot's headset....
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5212816 |
Horn honker interface
An audible interface device for each of a plurality of mobile units equipped with a radio dispatch system operated by a computer is provided. The device consists of a mechanism for detecting a...
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5134719 |
Apparatus and methods for identifying broadcast audio program selections in an FM stereo broadcast system
Apparatus and methods are disclosed for transmitting and receiving auxiliary data in addition to regular audio broadcast programs including musical selections and announcements. The auxiliary data...
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5119507 |
Receiver apparatus and methods for identifying broadcast audio program selections in a radio broadcast system
Apparatus and methods are disclosed for transmitting and receiving auxiliary data in addition to regular audio broadcast programs including musical selections and announcements. The auxiliary data...
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5086511 |
Mobile receiver
A mobile receiver of the present invention which comprises memory means for storing therein receive frequency data and broadcasting station name data associated therewith with respect to respecitve...
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5048118 |
Combination dual loop antenna and bezel with detachable lens cap
An electronic device includes a printed circuit board for mounting electronic components thereon. An antenna, such as a dual loop antenna, is secured to the printed circuit board and acts as a...
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4996717 |
Radio receiver noise squelching and operational indicating alarm
A clock-driven pulse source is used to apply repetitive short pulses to the squelch control connection point of the squelch circuitry of a radio receiver to deactivate momentarily the squelch...
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4887308 |
Broadcast data storage and retrieval system
An information storage and retrieval system is disclosed herein having a primary information storage for broadcast information that is selected and encoded for constant broadcast transmission. Such...
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4683459 |
Alarm system test annunciator
Test apparatus for a wireless system is provided in which an audible annunciation is produced which is an accurate indication of the measured received signal strength. A signal is derived from the...
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4633515 |
Emergency broadcast alert detector
An emergency broadcast alert detector having a radio receiver scanning among several predetermined frequencies. The audio output of the radio receiver is connected to a noise detector that allows...
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4392246 |
Broadcast wave receiving system
With the operation of character select keys, alphanumeric data stored in a ROM are successively read out and latched in a latch circuit under the control of a CPU. The call sign data of a received...
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4295224 |
Tuning indicator apparatus for a frequency synthesizer tuner
Tuning indicator apparatus is provided for use with a frequency synthesizer tuner of the type having a phase-locked loop including a reference oscillator, a variable frequency oscillator to produce...
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4170782 |
Programming and selection monitoring system for television receivers
A television receiver programming and selection monitoring system is provided to permit a television viewer to preselect a television viewing schedule of desired television channels to be viewed...
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4103105 |
Switching signal generator
In a press-to-talk system of radio telephone communication, the operator's particular voice signal actuates a switching signal generator to generate a transmit-receive circuit changing signal which...
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4087793 |
Digital electronic control and switching arrangement
A variable control, such as for a gain or frequency control, having a delay period and switching function at each end point, with status or level indication, is comprised of two simple switches and...
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3999132 |
Stereo inhibit circuit
A stereo inhibit circuit adaptable for use in an FM stereo radio having a stereo indicating light is disclosed. A level detector and a mute circuit develop a mute signal which is related to the...
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3676781 |
AUDIO FREQUENCY INDICATOR FOR SCAN TUNED RADIO RECEIVER
An audible frequency indicator for use in a radio receiver employing automatic frequency scan tuning. A variable scan control signal, corresponding to the frequency location of the scan within a...
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2920190 |
Radio receiver having means to wobble local oscillator during tuning
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2809288 |
Tuning indicator for wave signal receiver using beat frequency oscillation injection into second detector
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