1
Torao Yamanaka, Teruhisa Shoyama, Nobuo Teraji: Time synchronization method in data transmission system. Mitsubishi Denki Kabushiki Kaisha, Bernard Rothwell & Brown, February 21, 1989: US04807259 (106 worldwide citation)

A method for synchronizing the times of a master clock provided in the master station and slave clocks provided in the slave stations in a data transmission and receiving system consisting of the master station as a data transmission control station and slave station and/or stations for two-way data ...


2
Torao Yamanaka: Master station apparatus for remote supervisory control system with touch panel video display. Mitsubishi Denki Kabushiki Kaisha, Lowe Price LeBlanc Becker & Shur, May 23, 1989: US04833592 (71 worldwide citation)

The inventive master station apparatus for a remote supervisory control system makes poke points for selecting remote stations displayed on a video display (3) by an output control circuit (24), so that, when an operator touches one of the poke points on a touch panel (4), a CPU (21) makes the patte ...


3
Torao Yamanaka: Security system including a daughter station for monitoring an area and a remote parent station connected thereto. Mitsubishi Denki Kabushiki Kaisha, Bernard Rothwell & Brown, March 17, 1987: US04651143 (61 worldwide citation)

A security system including a television camera for taking a scene of a trespass upon a predetermined region at a site to be monitored, a video recorder for recording the image of the scene taken by the television camera, and a sensor for sensing a trespass and outputting a signal for starting the t ...


4
Torao Yamanaka: Master station apparatus in supervisory and control system. Mitsubishi Denki Kabushiki Kaisha, Lowe Price LeBlanc Becker & Shur, March 28, 1989: US04816988 (13 worldwide citation)

A master station in a supervisory control system comprises a console (3) having a card reader (5) and control switches (9, 11, 13), a card (7) being inserted into the card reader. Information specifying a substation (271-27n) and a device (D11-Dnm) included in the substation is recorded in machine a ...


5
Torao Yamanaka: Digital equipment. Mitsubishi Denki Kabushiki Kaisha, Bernard Rothwell & Brown, December 6, 1988: US04789790 (8 worldwide citation)

Digital equipment such as an electronic computer comprises a memory unit, an operation unit and a processing unit. In the digital equipment, a short-time service interruption compensation means in compact and simple constitution is installed within a power conversion circuit, and a timer circuit to ...


6
Torao Yamanaka, Takeshi Kawahara: Remote monitoring and controlling system. Mitsubishi Denki Kabushiki Kaisha, Leydig Voit & Mayer, August 22, 1989: US04860001 (7 worldwide citation)

A remote monitoring and controlling system in which time information from a secondary clock in each slave station is transmitted in coded signal form to a master station in response to a time inquiry command issued from the master station. The transmitted time information and the time information of ...


7
Torao Yamanaka, Hirofumi Morimoto, Takeshi Kawahara: Remote supervisory control system. Mitsubishi Denki Kabushiki Kaisha, Rothwell Figg Ernst & Kurz, September 17, 1991: US05049872 (5 worldwide citation)

A slave station at an end location of a transmission route is responsive to a polling signal issued from a master station such that if there exist data to be sent to the master station, the slave station transmits a code with a "busy" token and specifying the data to a slave station at the next uppe ...


8
Torao Yamanaka: Signal communication system. Mitsubishi Denki Kabushiki Kaisha, Lowe Price LeBlanc Becker & Shur, November 29, 1988: US04788541 (1 worldwide citation)

A signal communication system provided in a board device has a signal input/output terminal board having a plurality of input/output terminals. When a signal is communicated between two board devices, some of the input/output terminals serve as an input signal terminal and the remainder as an output ...