"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 5303306 | Hearing aid with programmable remote and method of deriving settings for configuring the hearing aid A hearing aid is provided which is controlled by a remote control via infrared radiation. The remote control is provided with volume control keys, standardized sound environment keys and custom sound environment keys. When one of these keys is pressed, ne... | 04/12/1994 |