Seiko Epson Corporation

Kazunori Chihara

Koichiro Tsutsumi

Junichi Yoshizawa

Takashi Kawamori

Sunao Murata

Tetsuya Suzuki

Noriyoshi Chiba

Michio Maruyama

Hiroyasu Ogata

Kazuyuki Onuma

A system in which a terminal device communicates with a server and processes data enables the terminal device to continue processing data even when a communication fault occurs. A data processing system includes a server that stores a POS application; a processing device that stores a POS application; and a tablet that connects to the server and executes the POS application through a web browser when a terminal communication path satisfies a terminal communication condition, and when a terminal communication path does not satisfy the terminal communication condition, connects to the processing device through a process communication path based on information indicated by the POS application.

Data processing system, data processing method, and printer

A system in which a terminal device communicates with a server and processes data enables the terminal device to continue processing data even when a communication fault occurs. A data processing device has a data storage unit storing data processing device-side master data, connects through a server communication path to a server, updates the data processing device-side master data stored in the data storage unit based on server-side master data stored by the server, connects to a tablet through a process communication path, responds based on the data processing device-side master data stored by the data storage unit to a master data transmission request sent by the tablet, and receives the process information sent by the tablet.

Printer and data processing method

A POS terminal has a server-function unit with a server function, and a client-function unit. When able to communicate normally with the control server, the client-function unit communicates with the control server as a client of the control server, and executes processes with the control server. When unable to communicate normally with the control server, the client-function unit communicates with the server-function unit as a client of the server-function unit, and executes processes with the server-function unit.

Network system and control method of a network system, and a control device

To appropriately execute a receipt generating process based on whether or not an application is installed on a mobile terminal as the target communication device. A printer driver according to the invention has an installation decision unit that determines if a specific application is installed on a mobile device targeted for communication; a receipt generation decision unit that determines whether or not to generate a paper receipt and/or electronic receipt based on the decision of the installation decision unit; and receipt generating process units that execute paper receipt and/or electronic receipt generating processes according to the decision of the receipt generation decision unit.

Receipt generating device, and control method of a receipt generating device

Accidents such as mistakenly delivering products belonging to a different buyer to the wrong person can be prevented. A receipt and claim ticket printing device that issues to a buyer of a product a receipt showing the product name and price and the total purchase amount, and a claim ticket for the product purchased by the buyer, has a product image storage unit that stores product images of the products that are sold; a product image extraction unit that extracts the product image of at least one of the purchased products from the product image storage unit when the receipt is issued; and a print unit that prints the claim ticket on which the extracted product image is printed with the receipt.

Receipt and claim ticket printing device, and receipt and claim ticket printing system

A host sends each page of image data to a page printer in band units and the page printer writes the received each band data into a reception buffer in DRAM by DMA and transfers the band data from the reception buffer to an image formation section made up of members. The host gets an available buffer capacity from the printer just before transmitting each band data, and transmits the band data only when the printer can receive the band data. In the printer, a CPU permits transfer DMA to be started after reception data as much as the data amount calculated based on the data reception speed and the transfer rate is stored in the buffer to prevent an underrun error from occurring. If an underrun error occurs, the CPU sets an error flag, and sends the error flag to the host just before the host starts transmitting each band data. When receiving the error flag, the host drops image resolution and resends the page data with the resolution dropped.

Growing community of inventors

Matsumoto, Japan

Kazunori Chihara