An electronic instrument, such as a camera, which is supplied with electric power from a battery and selectively receives two kinds of batteries which are different from each other in shape and output voltage. A battery chamber of the electronic instrument is constructed to commonly receive the first...http://www.google.es/patents/US4645325?utm_source=gb-gplus-sharePatente US4645325 - Electronic instrument which selectively receives different kinds of batteries
Electronic instrument which selectively receives different kinds of batteries
