Hochiki Corporation

Nec Corporation

Nippon Electric Co., Ltd.

Rakuten, Inc.

Hochiki Kabushiki Kaisha

Hajime Masuda

Takeshi Takeuchi

Soh Masuko

Shigaku Iwabuchi

Masakatsu Watanabe

Shunji Yamazaki

Yukio Tomioka

The invention acquires article data (S), extracts characteristic words from the acquired article data (S), specifies a characteristic word which is not stored as a local area word in a databasewhich stores a local area word indicating a local area in association with geography information for specifying the local area, from the extracted characteristic words (S), acquires a result of searching performed in a search device, according to the specified characteristic word (Sand S), specifies a local area related to article data based on the search result and finds geography information (S), and stores the specified characteristic word in the databaseas the local area word in association with the specified local area (S).

Information processing device, information processing method, information processing program, and recording medium

A semicustom-made integrated circuit with built-in memory unit is equipped with an internal timing generator located in the vicinity of the memory unit and responsive to two external controlling signals for producing an internal write enable signal used in a testing mode of operation, and the waveform of the internal write enable signal is hardly deformed on the way to the memory unit even if the signal propagation paths for the external controlling signals are prolonged due to increase of integration density, thereby enhancing the reliability of the testing operation.

Semicustom-made integrated circuit with built-in memory unit associated

A programmable read only memory device according to the present invention comprises a plurality of row selector blocks respectively coupled between row lines and a ground node, and each row selector block has a first discharging unit providing a current path in a read-out mode of operation only and a second discharging unit providing a current path in both write-in and read out modes of operation, so that the current driving capability is decreased in the read out mode of operation, thereby decreasing the current consumption as well as the time period consumed for a single read out operation.

High speed programmable read on memory device formed by bipolar

A programmable read only memory device according to the present invention has a plurality of memory cells each formed by, for example, a bipolar transistor or a series combination of a fuse element or a diode and associated with an addressing facility which has a plurality of row selector units coupled to word lines, respectively, and each of the row selector units has a decoder stage accompanied with an amplifying bipolar transistor and an output bipolar transistor coupled to the amplifying bipolar transistor for discharging a large amount of a write in current and a small amount of a read out current on the associated word line to the ground, wherein a diode is coupled between the associated word line and the amplifying bipolar transistor for supplying a part of the write in current through the amplifying bipolar transistor to the base node of the output bipolar transistor, so that the output bipolar transistor is decreased in transistor size by virtue of sharing the write in current between the collector node and the base node of the output bipolar transistor.

High speed programmable read only memory device having a high

In a semiconductor memory device of the type having PNPN elements for transferring checking and programming currents to a memory cell, and a trigger circuit for activating the PNPN elements at a predetermined potential, a voltage limiting circuit is provided to activate the PNPN elements prior to achieving the triggering potential so that large voltage spikes through the memory elements during the memory checking operation can be prevented.

Monolithic integrated circuit

A memory device is capable of operating in a power down mode in which peripheral memory circuitry is inactivated, the power down mode being assumed in response to an unselect signal at any one of a plurality of chip enable terminals. In response to a write potential at the output terminal of the memory, a detector circuit will leave the output circuit inactivated but will activate any peripheral circuitry necessary for the write operation.

Programmable memory device having reduced power consumption upon

A channel level adjusting apparatus for equalizing the amplitude level of the received television signals of a plurality of channels. The channel level adjusting apparatus is designed so that when the input amplitude level of the television signals of a relatively small number or at least one channel is different from the more nearly equal or uniform input amplitude level of the television signals of the remaining relatively large number of channels, only the television signal or signals of the higher amplitude level are taken out, attenuated to a desired level and then combined, with a 180-degree phase difference, with the television signals of all the channels, thus making the television signal or signals of the higher input amplitude level more nearly equal in amplitude level to the television signal or signals of the lower input amplitude level and thereby generating the television signals of all the channels having relatively uniform amplitude levels.

Channel level adjusting apparatus

In an alarm system utilizing a bidirectional wired television system, there are provided a plurality of alarm signal transmitters which are located on the subscriber's side, the signal transmitters generating low frequency signals of the frequencies common to respective group units, the frequencies being different for respective subscribers in respective group units, each alarm signal transmitter being provided for each subscriber, modulators for respective group units for modulating the low frequency signals from the alarm signal transmitters with different high frequency carrier signals, and a receiving panel for receiving the modulated signals. The receiving panel is provided with a plurality of demodulators for respective group units to demodulate the modulated signals and thereby to discriminate the group units in accordance with the high frequencies of the carrier signals, a plurality of detectors for receiving in common the outputs of the demodulators to detect the demodulated signals and thereby to discriminate the subscribers in accordance with the low frequencies of the low frequency signals, a plurality of display devices provided one for each alarm signal transmitter and grouped in the same manner therewith so as to be selectively actuated by the output of the detectors in common in respective groups and thereby to allow each subscriber to provide a corresponding display, and switching means and a scanning controller for sequentially energizing both the demodulators and the group units of the display devices.

Alarm system

In a community TV receiving system in which television carrier signals are sent from a common community receiving antenna through a dividing box to respective TV receivers, all connected through coaxial cables, and an alarm system incorporated therein comprising alarm signal generators each having a resistance peculiar thereto connected to the coaxial cables across the core-tube circuit thereof in the vicinity of the respective receivers, and a common alarm receiver operable in response to the peculiar resistances located at a suitable station for indicating the signal generator location without interference to the TV signals.

Alarm system utilizing cable-TV multi-receiver systems

In a remote control system especially suitable to use as an alarm system utilizing the bidirectional transmission line of a wired television broadcasting system and including a plurality of low frequency signal transmitters, a plurality of group modulators for modulating high frequency carrier waves by a plurality of groups of low frequency signals from the transmitters to transmit the group modulated waves as super group signals over the transmission line, a plurality of group demodulators for group demodulating the super group signals into group modulated waves of discrete groups, a plurality of detectors for detecting the group signals from the group demodulators to derive out a plurality of low frequency signals, a plurality of resonators each resonating to a predetermined frequency component of the low frequency signals produced by the detectors, and a plurality of controlled apparatus connected to be controlled by the output from respective resonators, there is provided frequency converting means installed on the input side of the group demodulators for converting the super group signals into signals having carrier frequencies lower than the former carrier frequencies of the super group signals.

Alarm system utilizing a bidirectional transmission line in CATV system

In an alarm system utilizing a bidirectional wired television system, there are provided a plurality of alarm signal generators which are located on the subscribers' side, the signal generators generating low frequency alarm signals of the frequencies common to respective group units, the frequencies being different for respective subscribers in respective group units, each alarm signal generator being provided for each subscriber's modulators for respective group units; modulators for respective group units for modulating the low frequency alarm signals from the alarm signal generators with different high frequency carrier signals, and a receiving panel for receiving the modulated alarm signals. The receiving panel is provided with a plurality of demodulators for respective group units, first bandpass filters corresponding to the high frequency carrier signals utilized for modulation and adapted to apply the modulated alarm signals to the demodulators, first display means responsive to the outputs of the demodulators for providing displays for respective group units, a plurality of second bandpass filters corresponding to the low frequencies for respective subscriber's, means to supply the outputs of all demodulators in common to the second bandpass filters, and second display means connected to the outputs of the second bandpass filters for providing second displays for respective subscribers.

Growing community of inventors

Tokyo, Japan

Hajime Masuda