Abstract: A container, convertible from a shipping configuration to a displaying configuration, includes a shipping cover and a shipping liner fitted inside the shipping cover. The shipping liner defines a plurality of slots for laterally supporting display packs. The container also includes a display base, which also serves as a lid that fits on the shipping cover after the shipping liner and display packs have been packed therein in the shipping configuration. To convert from the shipping configuration to the displaying configuration, the container is positioned with the display base on bottom, and the shipping cover is lifted from the display base, leaving the display packs neatly in the display base and the shipping liner fixed in the shipping cover.

Abstract: A telephone communication system having a cordless telephone operating in conjunction with a cellular transceiver. A subscriber line interface circuit (SLIC) is controlled by a microprocessor in the cellular transcriber. The SLIC can be controlled to provide standard telephone service to other telephone sets, and includes circuits for testing for foreign voltages on the telephone lines prior to providing SLIC service. Standard RJ-11 jacks are utilized for coupling the telephone sets to the communication system to provide standard telephone service by way of the cellular network.

Abstract: A power measurement circuit, suitable for use in communications devices, is provided in which first and second signals derived from the signal of interest are passed through a multiplier, and the output of the multiplier is passed through a filter. In one embodiment, the filter provides a signal substantially representative of or relating to the DC component of the signal output from the multiplier. In another embodiment, the filter provides a signal substantially representative of or relating to the average power of the signal of interest. Advantageously, in one embodiment, the signal output from the filter bears a substantially linear relationship to the average power of the signal of interest over a desired region of operation. In a second embodiment, the signal output from the filter is advantageously substantially frequency invariant over a desired region of operation.

Abstract: The present invention provides an improved method of protecting a subscriber telephone interface circuit from the application of excess voltages and currents. The method uses a standard subscriber telephone interface circuit, including a speech circuit and a ringing detection circuit, in conjunction with updated controlling software. When excess voltage or current is detected by the ringing detection circuit, a CPU disconnects the speech circuit. The speech circuit is reconnected when the excess voltage or current is removed. The present invention further provides a ringing detection circuit that connects a speech circuit when a ringing signal is detected, and disconnects the speech circuit when excess voltage or current is detected.

Abstract: An object of the present invention is to obtain a specific absorption rate that is within the legally allowable values, without lowering the radio-wave emission level of a wireless telecommunications device. In order to achieve this object, an electromagnetic radiation absorption protection mechanism according to the present invention is constructed so as to be able to be attached to and detached from the wireless telecommunications device, and is provided with a spacer to ensure a prescribed distance between the wireless telecommunications device and the human body. The spacer functions as a mechanism that protects the human body from the absorption of electromagnetic radiation.

Abstract: The object of the present invention is to simplify the circuit configuration of a charge system in a cordless phone. For this object, a stationary device in the cordless telephone in accordance with the present invention is provided with a power source circuit for charging a secondary battery contained in a mobile device. The mobile device comprises a charge switch unit for continuously conducting ON/OFF of the charge current supplied from the power source circuit to the secondary battery and controlling a pulse-waveform charge current, and a switch control unit for adjusting the duty ratio of the pulse waveform and adjusting the average value of the charge current supplied to the secondary battery by controlling the ON/OFF time of the charge current in the charge switch unit.

Abstract: A system for screening telephone calls is provided. The system includes a ring detector that generates ring status data, such as a first data value when a ring signal is being received and a second data value when no ring signal has been received for a predetermined period of time. A message detector generates message status data, such as a first data value when an outgoing message end tone has been detected and a second data value when no outgoing message end tone has been detected for a predetermined period of time. A message screener is connected to the ring detector and the message detector and amplifies a message based on the ring status data and the message status data, such as when the ring status data and the message data indicate that an incoming message is being recorded.

Abstract: A DTMF signal generator simplifies frequency characteristic design of a telephone line interface so as to make it easy to carry out alteration of a low tone group frequency component and a high tone group frequency component of a DTMF signal, and to lower cost by doing away with the need for a D/A converter. There are provided first and second sine wave generators (201 and 202) for respectively generating sine waves of specific frequencies, a combining circuit (210) for combining and outputting the outputs of the first and second sine wave generators at a specified ratio, a PWM modulator (214) for generating pulses at a width corresponding to the output of the combining circuit, and a filter (211) for removing undesired frequency components included in the output of the PWM modulator. The combining ratio of the combining circuit is variable.

Abstract: The present invention provides an antenna for a radio device that has sufficient mounting strength with little deterioration in antenna property. A first antenna 1a and a second antenna 1b are provided substantially parallel to each other at both ends of a circuit board 3. Feeding points 2a, 2b are provided at one end of first antenna 1a and second antenna 1b, and are fed in equiphase. As radio-frequency currents 100a, 100b are in equiphase, vertically polarization are radiated, but horizontal radio-frequency currents 101a, 101b are in antiphase, so horizontally polarization are not radiated. Furthermore, antennas 1a, 1b may be formed by the mounting portions of the circuit board on the housing.

Abstract: A system includes a base unit, a plurality of connectors disposed in the base unit each operable to couple to a module, and each module operable to couple to at least one terminal unit. The system further includes a host processor residing in the base unit and coupled to a communications network, and a first high speed switch residing in the base unit having a plurality of ports coupled to the plurality of connectors and further coupled to the host processor.

Abstract: A system for extracting and compensating for reference frequency error adapted for use with a communication system. The system includes a frequency generator for outputting a reference signal of a first frequency. The frequency generator has acontrol input for adjusting the first frequency in response to a control signal. A receive circuit receives an input signal and provides an output signal having a first and second component in response thereto. An error extraction circuit provides an error value based on a phase difference between the first component and the second component, and provides the control signal in response thereto. The error extraction circuit preferably includes a positive error counting circuit for generating a positive count when the first component lags the second component and a negative error counting circuit for generating a negative count when the first component leads the second component.

Abstract: According to the present invention, all terminals can establish synchronization in a radio communications system formed only of a plurality of mobile terminals. This radio terminal communicates by the time division connection method, and comprises a control portion for synchronizing its transmission/reception timing to that of a group including a plurality of radio terminals.

Abstract: The present invention provides an antenna for a radio device that has sufficient mounting strength with little deterioration in antenna property. A first antenna 1a and a second antenna 1b are provided substantially parallel to each other at both ends of a circuit board 3. Feeding points 2a, 2b are provided at one end of first antenna 1a and second antenna 1b, and are fed in equiphase As radio-frequency currents 100a, 100b are in equiphase, vertically polarization are radiated, but horizontal radio-frequency currents 101a, 101b are in antiphase, so horizontally polarization are not radiated. Furthermore, antennas 1a, 1b may be formed by the mounting portions of the circuit board on the housing.

Abstract: The present invention provides a diversity receiving device with superior interference resistance in a simple construction, comprising a plurality of antennas (11, 12); an antenna switching device (13) that selects any one of a plurality of antennas (11, 12) and carries out connection switching thereof; a demodulator (14) that demodulates a wireless signal and obtains a baseband spread spectrum signal; an A/D converter (15) that A/D converts the baseband spread spectrum signal and generates chip data; a digital matched filter (16) that finds the correlation value of the chip data and the spreading code; a maximum correlation value detection portion (18) that detects the maximum correlation value; an average value calculation portion (21) that finds the average value per frame of the maximum correlation value; and a level comparison device (22) that compares the above-mentioned average value and a predetermined threshold value, and outputs a control signal to the antenna switching device (13) to control antenn

Abstract: The present invention provides a radar detecting apparatus that is able to entirely prevent the generation of false alarms due to jamming waves. The radar detecting apparatus comprises a radar sensing portion and a GPS receiver displaying the current position of the automobile. While traveling, the radar detecting apparatus stores the locations, intensities, and so forth, of jamming waves, forms a jamming wave map, and creates a database of this information. The radar detecting apparatus refers to this database and suppresses the detection sensitivity of the radar sensing portion according to the intensity of the jamming waves when the automobile passes near jamming waves; this reduces false detection of radar waves. Also, the radar detecting apparatus calculates speed from the change in the position of the vehicle and prevents the output of an alarm by the radar detecting apparatus when the speed is at or below the speed limit of the currently traveled roadway.

Abstract: An apparatus (10) and method for selectively monitoring radar signals impinging on a vehicle is disclosed. The apparatus (10) comprises a speed determination circuit (20) that determines vehicle speed and provides a speed signal representative thereof to a comparator (22) that compares the speed signal to a preselected speed and provides an on signal when the vehicle speed exceeds the preselected speed and an off signal when the vehicle speed is at or below the preselected speed. When the comparator (22) provides the on signal, a radar detecting circuit (14) is powered to detect incoming radar signals and provide a radar detected signal to an alarm (18) that provides an alert in response to the radar detected signal. When the comparator (22) provides the off signal, the radar detecting circuit (14) is not powered and does not detect incoming radar signals.

Abstract: An optimum antenna is readily selected from three or more antennas, by means of an existing device which is only capable of switching between two antennas. The device of the invention comprises: a switching device for receiving signals from two antennas as a pair of antenna selected from three or more antennas, and outputting the first signal (DATADET) indicating that receiving is in progress, and the second signal (ANTSEL) indicating which antenna being used for receiving; a judgement circuit for judging which antenna is suitable for receiving and actually being used in the said pair of antenna, on the basis of the said first and the said second signal of the said witching device; a setting circuit for resetting said pair of antenna on the basis of the output of said judgement circuit; and a switching circuit for selecting two antennas which is set by the said setting circuit as a pair and supplying the output thereof to the said switching device.

Abstract: Provided is a device for improving voice signal in quality by discriminating a radio environment of a signal transmission path and detecting a click noise. The device for improving voice signal in quality calculates an average value for a short interval of a received ADPCM code, identifies from such average value the nature of a radio environment of a signal transmission path, and considers that a click noise is occurred when the average value exceeds a threshold value assigned radio environment. The present invention comprises a click noise detector (22) for outputting a click noise detecting signal, and a click noise suppressing circuit for suppressing the click noise by setting the velocity coefficient of an ADPCM decoder (21) as “0” for a frame in which a frame error detecting signal, which represents the detection of a frame error of the received ADPCM code, and a click noise detecting signal are both detected.

Abstract: The present invention has the purpose of realizing an infallible in-call incoming signal notification incoming signal notification service with this erroneous action eliminated to the extent possible.