Communication system and communication method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9886400
SERIAL NO

14437008

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention provides a communication system comprising a host computer, control cabinets and peripheral devices, the control cabinets comprising serial ports used for communication among the peripheral devices and the host computer. The operating period of the communication system includes a polling phase and a free communication phase, in the polling phase the host computer sends query instructions to the control cabinets through the serial ports on each of the control cabinets, and in the free communication phase the control cabinets communicate with corresponding peripheral devices through the serial ports. The present invention also provides a communication method for the communication system. Using the communication system of the present invention, reliability of communication among the control cabinets, the host computer and the peripheral devices through a same serial port can be ensured without increasing hardware volume and costs of the communication system.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
BEIJING SMART-AERO DISPLAY TECHNOLOGY CO LTDBUILDING 1 NO 11 DIZE ROAD BDA BEIJING 100015

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Qian, Chenfei Beijing, CN 6 26
Su, Lijun Beijing, CN 12 16
Zheng, Yuewei Beijing, CN 3 19

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 6, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 6, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00