Patent ID: 9419671
Filing Date: 2016-08-16
CPC Classification: G07C,H04B,H05K

Claim Text:
1. A mobile device comprising: a circuit board on which an electronic circuit used to perform wireless communication with a vehicle-mounted device is mounted; a battery holder that holds a battery from which electric power is supplied to the electronic circuit, the battery comprising a button battery having two electrode surfaces; and a case member having a plurality of cases, the battery holder being provided on a first one of the plurality of cases and the circuit board being accommodated in a second one of the plurality of cases; wherein: a test port is provided on one plate surface of the circuit board, the test port being a terminal electrode used in test of the electronic circuit, and the battery holder holds the battery at a position at which the battery faces the test port; and the battery holder holds the battery so that a first one of the two electrode surfaces of the battery faces the one plate surface; and the test port is disposed in an opposing space that faces the one plate surface and the one of the two electrode surfaces.