Communication apparatus, replacement unit, and image forming apparatus
US10469243B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Apr 24, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K7/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication apparatus includes a first terminal that receives a reference voltage, a second terminal that receives a pulse signal, and at least one processor to execute instructions. The instructions are executed to generate a clock signal that has a frequency higher than a frequency of the received pulse signal, count a number of pulses of the clock signal and determine a count value counted during a first cycle that is a cycle of the pulse signal to the second terminal, and, during a period of data transmission, increase or decrease an electric current that flows between the communication apparatus and the external apparatus according to a data value of data to be transmitted to the external apparatus. Data is transmitted to the external apparatus at least once during the first cycle, and data switch timing during the first cycle is based on the count value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.