Patent · US Expired

Transmission device

US5970087A · kind A · utility

1Cited by
7References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 22, 1997
Grant dateOct 19, 1999
Priority date
Expiry dateAug 22, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N2201/0013
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A transmission device includes: a first transmission unit that transmits data between the transmission device and an information processing device; a second transmission unit that receives data from an external transmission terminal; a determination unit that determines whether the information processing device is executing a data transmission processing program for controlling reception processes of the second transmission unit; and a control unit that, when the second transmission unit is to receive data from the external transmission terminal but not when the determination unit determines that the information processing device is not executing the data transmission processing program controls the first transmission unit to transmit to the information processing device, a predetermined control signal indicating that the second transmission unit is to receive data.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.