Radio with wired remote switch for smartphone
US9628885B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2015 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Aug 12, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A radio includes controls operatively disposed on a face panel. A 3.5 millimeter audio jack is disposed on or through the face panel. The audio jack has four contacts including a microphone contact. A microphone is disposed on or in the face panel to transduce sound received at the face panel. The microphone is electrically connected via a microphone output circuit to the microphone contact. A normally open switch has a switch actuator button disposed on the face panel. The switch is to connect the microphone output circuit to an electrical ground when the switch is closed. The audio jack is to electrically connect the radio to circuits of a smartphone including a smartphone left speaker output circuit, a smartphone right speaker output circuit, a smartphone ground circuit and a smartphone microphone input circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.