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JP5561772B2 |
A call signal generating device, whose pair of output terminals is connected to a telephone set, includes a rectifier rectifying an inputted high frequency signal and maintaining an output polarity in one of two polarities; and a polarit...
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JP5551725B2 |
The invention provides a single digital communication link between system-side and line-side circuitry in a DAA, capable both of carrying data signals and of transferring a substantial amount of power to the line-side circuitry. The inve...
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JP5542758B2 |
The radio device (1) has an interface for reception of information and a display device which can be switched between operative and inoperative states. An information indicator (15), e.g. a LED, responds to the input of information to pr...
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JP5508580B2 |
A transmitting circuit is connected to a communication line and configured to transmit a primary signal, being a current signal, to the communication line by changing a current flowing from a transmission unit via the communication line....
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JP5469771B2 |
A transmitting circuit is connected to a communication line and configured to transmit a primary signal, being a current signal, to the communication line by changing a current flowing from a transmission unit via the communication line....
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JP5466109B2 |
A method for controlling a ringing signal includes generating a ringing signal on a subscriber line, detecting a condition indicative of the subscriber line going off-hook and reducing an amplitude of the ringing signal responsive to det...
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JP5288481B2 |
To provide with respect a short-distance subscriber with a subscriber line interface device and a method with low power consumption and lower power supply capacity. The subscriber line interface device is provided with a DC voltage varia...
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JP5227976B2 |
Power is supplied to telecom equipment in DSLAM outdoor/remote cabinets with relatively short distances between the subscriber and the cabinet. All of the subscriber Customer Premises Equipment connected to the DSLAM each provide a porti...
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JP2013070190A |
To provide a communication apparatus capable of achieving a public exchange telephone network and semi-permanent communication through a telephone line between one region where a communication cable of a mobile phone network is disconnec...
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JP2013507860A |
Embodiments of the present invention relate to data service device technologies, and disclose a self-diagnosis method and system of a wireless data service device are provided. The method includes: obtaining an effective value of a worki...
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JP5139279B2 |
The invention provides a single digital communication link between system-side and line-side circuitry in a DAA, capable both of carrying data signals and of transferring a substantial amount of power to the line-side circuitry. The inve...
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JP2013026911A |
To provide a voltage generating device and a voltage generating method capable of generating an accurate feeding voltage and ringer voltage when the feeding voltage and ringer voltage are generated from a low voltage.A voltage generating...
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JP5113279B2 |
A subscriber unit of a time division multiple access (TDMA) radiotelephone system is, from a power consumption standpoint, reconfigured in each time slot of a TDMA frame to a power consumption tessellation in which subscriber unit circui...
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JP5077663B2 |
To provide a power receiver capable of performing stable operation. The power receiver, to which one or more option devices can be connected, comprises a power source unit which receives a predetermined first power from a power supply de...
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JP5058786B2 |
A powered communications patch panel is adapted to power network devices connected to the communications patch panel. Power is supplied to the network devices by the powered communications patch panel over the communication cabling. The ...
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JP5023031B2 |
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JP5021897B2 |
A subscriber unit of a time division multiple access (TDMA) radiotelephone system is, from a power consumption standpoint, reconfigured in each time slot of a TDMA frame to a power consumption tessellation in which subscriber unit circui...
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JP4982548B2 |
A method and apparatus are disclosed for enabling a telecommunication terminal (200) to notify its user of the arrival of a message via an acoustic or visual signal whose properties are based on one or more attributes of the message. The...
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JP4957488B2 |
To allow call at night and on holiday while power consumption is reduced, in an IP telephone system comprising a hub that has a PoE power feeding function and an IP telephone set that can be connected to the same. When a power feeding hu...
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JP4913109B2 |
A back-up power system having a monitoring system for determining, and for allowing remote monitoring of, a back-up time can be provided by a plurality of batteries for a given application, at all times. The back-up power system includes...
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JP4888781B2 |
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JP4872680B2 |
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JP4862388B2 |
To save power as much as possible by completely stopping feeding power to arbitrary system configuration equipment including extension communication equipment and a main device, or the internal configuration circuit except ensuring a com...
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JP4832617B1 |
A method for connecting an AC powered device, which has an optical receiver, with a control circuit, which has an optical transmitter, using at least on optical medium cable includes the steps of terminating the cable at both of its ends...
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JP2011217423A |
To save power in terminal units that transmit and receive modulated data over a communication loop that is shared with a voiceband telephone device.A method include: monitoring the communication loop to detect a shut-down condition; and ...
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JP4779264B2 |
There is provided a mobile communication terminal with which a user can easily participate in generation of musical tones utilizing contents of a motion of the user. A mobile communication terminal receives communication services via a m...
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JP4746668B2 |
A mobile telecommunication device comprises a first part (601) and a second part (602) interconnected by a hinge. Said first part comprises a display (606), a radio transmitter/receiver (604) an internal antenna (603), a loudspeaker (605...
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JP4713868B2 |
A method and apparatus are disclosed for enabling a telecommunication terminal (200) to notify its user of the arrival of a message via an acoustic or visual signal whose properties are based on one or more attributes of the message. The...
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JP4680557B2 |
An apparatus in one example comprises one or more intelligent network platforms that serve to provide feedback to be played to a calling communication device during a call from the calling communication device for a called communication ...
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JP2011049894A |
To reduce power consumption of a communication system by starting power supply only to a specific communication terminal when detecting an information signal addressed to the specific communication terminal.In a communication system, a c...
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JP4642980B2 |
A cover (1) of an electronic device (7) is at least partly formed or coated by using a material whose colour is arranged changeable at least partly by means of at least one control signal.
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JP4642313B2 |
A mobile phone includes a light emitting section and a flat space section in a case thereof. In the surface of the case, the mobile phone includes a window section through which light emitted from the light emitting section is transmitte...
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JP4625638B2 |
Unique representation, such as music or image full of originality, is generated in relation to a specific data sequence such as a telephone number. A music generation server 10 is provided with a material table TA in which material data ...
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JP4578534B2 |
To prevent a transient current when connecting a public network exchange and a terminal device. A switching circuit 160 for switching a feeding polarity from a power supply circuit unit 50 to a switching circuit 40 is provided between th...
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JP2010252373A |
To identify an incoming call from a person with whom a user frequently makes contact.A communication device (100) includes a transceiver (115) for receiving a call, a received calls memory (145) for storing call sources (300) and for sto...
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JP4569939B2 |
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JP4563589B2 |
The portable telecommunications apparatus has an audio input for receiving sound, an audio output for generating sound, a controller for controlling the audio input and the audio output, and an audio accessory interface for operatively c...
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JP4558848B2 |
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JP2010212998A |
To provide a power supply control system capable of reducing wasteful power consumption of a power source in a building where a small base station for a femtocell is installed.In case a position monitoring means 104 of a base station 103...
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JP4542658B2 |
To realize downsizing, lower cost and low power consumption with integrated simple digital circuit. Latch circuits 32, 33 delay an output of an adder 31 by one frame period and 2 frame periods. A multiplier 34 multiplies the output value...
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JP4531042B2 |
Wireless hands-free system with silent user signaling. Silent alerting capability is provided for any hands-free device that relies on a short-range, wireless connection to interface to a terminal. The silent alerting action can be provi...
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JP2010171636A |
To reduce the cost of a communication terminal apparatus by comparatively simple circuit configuration and transmission/reception control.A direct current is supplied to a semiconductor DAA 40 by a direct current supply means 90 in a com...
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JP4515918B2 |
A telephone unit device connectable in series between a telephone set and a wire pair coupled to a telephone service and carrying DC power and an AC telephone signal. The device includes: a first connector connectable to the wire pair; a...
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JP4469228B2 |
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JP4462907B2 |
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JP4456136B2 |
The present invention relates to a terminal (1) for accessing Internet over a wireless communication network. The terminal comprises means for wireless communication with a device by opening a communication link over the wireless communi...
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JP4459305B2 |
A terminal (1) for wirebound telecommunication according to the invention comprises a class D amplifier which is supplied with a rectified ringing voltage (Vring) coming from the line (2) in a ringing condition and, in an off-hook condit...
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JP4440203B2 |
To provide a mobile terminal device capable of suppressing deterioration of a secondary battery. The mobile terminal device 100 is capable of using the secondary battery 8 as a power source and comprises a housing unit having a plurality...
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JP4439124B2 |
A transceiver circuit for transmitting a data signal over a communications bus at a predefined bit rate includes a transmitter. The data signal is a digital signal having first and second logic levels. The transmitter receives and modifi...
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JP4430717B2 |
The present invention relates to a terminal (1) for accessing Internet over a wireless communication network. The terminal comprises means for wireless communication with a device by opening a communication link over the wireless communi...
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