1
Shoichi Masui, Mikihiko Oonari, Kunio Yamanaka, Masaoki Takaki: Interactive equipment for computer programming by linkage of labeled block representations of arithmetic/logical subprograms. Hitachi, Antonelli Terry & Wands, June 19, 1984: US04455619 (106 worldwide citation)

A programming equipment is used for automatically constructing programs by selecting and interconnecting a plurality of previously prepared unit programs in accordance with instructions by an operator. A screen of a display unit is divided into a plurality of partial display areas. A memory has a pl ...


2
Masaoki Takaki: Sequence control method and apparatus. Hitachi, Hitachi Control Systems, Antonelli Terry & Wands, July 28, 1987: US04683549 (45 worldwide citation)

A sequence program for a system to be sequence-controlled is divided into a plurality of divisional programs, which are stored in a program memory of a sequence processor. A main program including a plurality of instruction blocks is read out from the system under control and the execution or non-ex ...


3
Keiji Hideshima, Haruo Koyanagi, Hiroharu Suda, Hirokazu Sawano, Masaoki Takaki, Kunio Yamanaka, Isao Yasuda, Kazuyoshi Asada: Sequence display controlling method and controller. Hitachi, Nissan Motor, Craig and Antonelli, February 16, 1982: US04316260 (16 worldwide citation)

A programmable sequence controller is provided with a display signal processor for preparing and correcting a sequence program in combination with a CRT (or cathode ray tube) display device. The signal processor simply effects signal processing of branch points and composition points in case where a ...


4
Masaoki Takaki, Hirokazu Sawano, Kunio Yamanaka, Kazuyoshi Asada, Keiji Hideshima, Haruo Koyanagi: Sequence control system. Hitachi, Nissan Motor, Craig and Antonelli, November 3, 1981: US04298958 (13 worldwide citation)

A sequence control system suitable for checking the operation of an information processor includes a process I/O unit for receiving input data from process inputs and providing output data to process outputs; a sequence processing unit for calculating data at the process outputs by performing sequen ...


5
Keiji Hideshima, Naoki Sasaki, Masaoki Takaki: Fault diagnosis apparatus and method for sequence control system. Hitachi, Nissan Motor Company, Craig and Antonelli, January 15, 1980: US04183462 (11 worldwide citation)

A method and an apparatus for diagnosing a fault in a sequence control system performing control in accordance with a predetermined sequence, wherein memory means having bits corresponding to respective ones of a plurality of predetermined sequence steps is provided. The sequence of steps actually a ...


6
Keiji Hideshima, Haruo Koyanagi, Shuichi Senda, Kazuyoshi Asada, Norio Murayama, Yoshiyuki Nihashi, Masaoki Takaki: Method and system for controlling input/output in process control. Hitachi, Nissan Motor, Craig and Antonelli, July 13, 1982: US04339794 (8 worldwide citation)

Novel method and system for controlling input/output in a process control wherein state signals of object processes to be controlled are applied to a CPU via a process input/output unit and operated in the CPU in accordance with a logic programmed and stored in advance, and results of the operation ...


7
Hiroharu Suda, Keiji Hideshima, Kazuyoshi Asada, Masaoki Takaki, Isao Yasuda, Atsutaro Kamei: Programmable sequence controller. Hitachi, Nissan Motor, Craig and Antonelli, April 20, 1982: US04326207 (7 worldwide citation)

A sequence control system includes a main memory unit for storing therein a sequence program, an operation and control unit for decoding the sequence instruction and executing the designated operations, an input unit for fetching states of a process to be controlled as inputs, and an output unit for ...