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View of the keys and sensors of a mobile telephone

View of the keys and sensors of a mobile telephone

T300/0300

Rights Managed

26.6 MB (1.2 MB compressed)

2622 x 3543 pixels

22.1 x 30.0 cm ⏐ 8.7 x 11.8 in (300dpi)

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Credit

CHRIS KNAPTON / SCIENCE PHOTO LIBRARY CHRIS KNAPTON / SCIENCE PHOTO LIBRARY

Caption

Mobile telephone keypad. Close-up of the external and internal parts of a mobile telephone keypad. In the complete telephone, each key (white) lies above a sensor (gold and black circles) on the keypad's circuit board, which passes on a signal when the key is pressed. Mobile telephones use microwaves to carry call information, and so their use is not hampered by wires.

Release details

Model release not required. Property release not required.

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