초록 ▼

A capsule-shaped miniature camera comprising at least one permanent magnet, an induction coil, a lamp serially connected to the induction coil and a shutter device. The induction coil induces an electromotive force when an magnetic field generated by electromagnets outside the camera acts on it. The

A capsule-shaped miniature camera comprising at least one permanent magnet, an induction coil, a lamp serially connected to the induction coil and a shutter device. The induction coil induces an electromotive force when an magnetic field generated by electromagnets outside the camera acts on it. The electromotive force turns on the lamp and drives the shutter device.

대표청구항 ▼

A medical camera system comprising a capsuleshaped miniature camera being received in a body cavity and a magnetic field generating device including electromagnet means disposed outside a body and a power supply unit for supplying an energizing current to the electromagnet means to permit the electr

A medical camera system comprising a capsuleshaped miniature camera being received in a body cavity and a magnetic field generating device including electromagnet means disposed outside a body and a power supply unit for supplying an energizing current to the electromagnet means to permit the electromagnet means to generate a magnetic field, said miniature camera comprising an envelope provided with at least one permanent magnet, a coil disposed in the envelope for inducing an electromotive force from the magnetic field generated by the magnetic field generating device, illumination means provided in the envelope and excited by the electromotive force of the coil for illuminating an object, a shutter device operated by the electromotive force of said coil, a film box disposed in the envelope for containing films, and an optical system for focusing an image of the illuminated object on one of the films contained in the film box.