Battery and circuitry assembly
US6058198A · kind A · utility
47Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1997 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Jul 21, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/31
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A electronic circuit including an enclosed housing having an electronic circuit therein and an air-cathode/separator assembly having a catalyst layer and which is filled with an electrolyte/anode mixture which forms a battery for operating the electronic circuit. The device may also including a speaker and a microphone which are in the housing and connected to the electronic circuit to form a hearing aid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.