Dialog Semiconductor Gmbh

Dialog Semiconductor (uk) Limited

Stanly Jacob

Christian Wolf

Andrea Acquas

Marcelo DePaula Campos

Marcelo De Paula Campos

Simultaneous results of modulo7 and modulo9 operations on an unsigned binary number N are achieved by dividing N by a number d, d being power of 2 then the resulting quotient and remainder are used to calculate modulo 7 and modulo9 by repeatedly split-and accumulate operations. The solution allows shared use of a significant amount of logic components, by a scalable architecture modulo7 and modulo9 can be found on large numbers and allows flexible use if only modulo7 or only modulo9 calculation is required.

Modulo9 and modulo7 operation on unsigned binary numbers

This invention relates to control circuits for LED systems with a feedback loop to regulate a drive voltage. A controller for the system is proposed comprising a plurality of LED circuits and a controllable power source. The controller comprises a control unit configured to cause regulation of the drive voltage based on a determination of a plurality of feedback voltages and a fault condition detecting means. At least one of the LED circuits is determined as having a fault condition if the respective feedback voltage is below a fault threshold. In response to a detected fault condition, a test voltage is applied to a cathode of the fault circuit to confirm the presence of a fault condition.

Growing community of inventors

Munich, Germany

Stanly Jacob