Abstract: An image sensor mounting board includes a first substrate and a second substrate. The first substrate has an upper surface with a recess and includes an organic material. The second substrate is located in the recess on the first substrate, has an upper surface on which an image sensor is mountable, and includes an inorganic material.

Abstract: An image sensor mounting board includes a first substrate and a second substrate. The first substrate has an upper surface with a recess and includes an organic material. The second substrate is located in the recess on the first substrate, has an upper surface on which an image sensor is mountable, and includes an inorganic material.

Abstract: According to an aspect, a mobile communication device includes: an operating unit for receiving an operation; an imaging unit for taking an image; a communication unit for communicating with another communication device; and a control unit configured to start taking an image by the imaging unit upon starting communication with a set first communication device through the communication unit, and transmit the image to the first communication device through the communication unit.

Abstract: According to an aspect, a mobile communication device includes: an operating unit for receiving an operation; an imaging unit for taking an image; a communication unit for communicating with another communication device; and a control unit configured to start taking an image by the imaging unit upon starting communication with a set first communication device through the communication unit, and transmit the image to the first communication device through the communication unit.

Abstract: A portable information terminal such as mobile communication terminal having an earphone jack for sound input/output, PHS (personal handy-phone system), PDA (personal digital assistants), and mobile personal computer; a digital camera to connect to the portable information terminal, a digital camera connected portable terminal device comprising the portable information terminal and the digital camera, as well as to a method of controlling such a portable information terminal. The existing earphone jack provided on portable information terminals can be adopted as the plug for the digital camera or insertion plug for the connector of USB cable, so that the cost can be lowered and the system made compact to provide a highly flexible portable information terminal and a digital camera for use with the portable information terminal.