Horology: time measuring systems or devices – Cases – Wrist worn
Patent
1995-05-01
1997-03-25
Roskoski, Bernard
Horology: time measuring systems or devices
Cases
Wrist worn
224168, A44C 500, G04B 3700
Patent
active
056151799
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to an electronic apparatus having a fitting band, and particularly to the construction of an electronic wrist watch containing a battery, a wrist watch having the function to measure pulse, body temperature or the communicating function, or other electronic apparatus having a conductive member disposed in a fitting band.
BACKGROUND ART
Materials and structures of bands which are conventionally used in wrist watch-type electronic apparatus and which contain conductive members therein, structures for mounting a band on the case of a wrist watch type electronic apparatus, and structures of band mounting portions of the case of a wrist watch type electronic apparatus are proposed in Japanese Laid-Open Utility Model Nos. 56-114492, 56-114493, 58-65908, 58-77492 and 62-71589, Japanese Laid-Open Patent Nos. 63-197103 and 1-279603, and Japanese Laid-Open Utility Model Nos. 3-30890, 3-30891 and 3-30892.
All materials of the bands disclosed in the above publications are non-metallic materials such as natural leather, artificial leather, insulating high-molecular resins, and elastomer fibers.
The band structures disclosed include a structure in which a magnetic powder is contained in leather, and a metallic piece is added to the widthwise side of a band, a structure in which a flexible metallic plate such as a foil or mesh is contained in leather, a structure in which a conductive high-molecular resin is contained in an insulating high-molecular resin, a structure in which a flexible circuit substrate is contained in a resin, a structure in which a flexible sheet is contained in a synthetic resin to provide a switching function, and a structure in which a wire is contained in a fabric having elasticity and comprising elastomer fibers.
Japanese Patent Laid-Open Nos. 63-197103 and 1-279603 also disclose a structure in which a conductor is passed zigzag through continuous links of a metallic expansion band.
The structures for mounting a band on the case of a wrist watch type electronic apparatus include: a structure in which a band is mounted by a spring bar; a structure in which a band is mounted by holding it between a case band and a case back, both of which form a case of a wrist watch type electronic apparatus; a structure in which a band is screwed to a case of a wrist watch type electronic apparatus; and a structure in which a case of a wrist watch-type electronic apparatus and a band are integrated by holding the case of the wrist watch type electronic apparatus from the upper and lower sides thereof.
All band mounting portions of the cases of wrist watch-type electronic apparatus have a known "Roof-attached Horn style" structure on the case of a wrist watch, except a structure in which the band and the case of the wrist watch-type electronic apparatus are integrated by holding a case of the wrist watch-type electronic apparatus from the upper and lower sides thereof.
Some electronic wrist watches have a solar cell, or a generating device provided in the case of the watch so as to convert rotation of an oscillating weight into a coil current. In a watch having a generating device, the electric power generated by the generating device is stored in a secondary battery (for example, a large-capacity capacitor having an electrical double layer) which is contained in the case of the watch so that the driving motor, IC and a display of the watch are driven by the stored electric power.
On the other hand, in regard to usual electronic wrist watches, Japanese Utility Model Laid-Open Nos. 58-77493 and 3-30892 disclose a structure in which a circuit is contained in a band, and Japanese Utility Model Laid-Open Nos. 59-137588 and 59-137589 disclose a structure in which a piezoelectric element, an electromagnet coil, a rectifying circuit and a battery are contained in a band.
The material and structure of a band containing a conductive member, which are used for conventional wrist watch-type electronic apparatus, the structure for mounting the band on the case of the wrist wa
REFERENCES:
patent: 839538 (1906-12-01), Becker
patent: 2542284 (1951-02-01), Mayson
patent: 2695740 (1954-11-01), Kolbe
patent: 3580438 (1971-05-01), Raval
patent: 3729923 (1973-05-01), Brigliano et al.
patent: 4194355 (1980-03-01), Nishida
patent: 4769656 (1988-09-01), Dickey
patent: 5144599 (1992-09-01), Blaich et al.
Iwanami Wataru
Miyashita Tatsumi
Tsurubuchi Akeshi
Yabe Hiroshi
Yamamoto Akio
Roskoski Bernard
Seiko Epson Corporation
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