Horology: time measuring systems or devices – Combined with disparate device – Ambient condition detector
Patent
1994-06-30
1998-09-01
Roskoski, Bernard
Horology: time measuring systems or devices
Combined with disparate device
Ambient condition detector
G04B 4706
Patent
active
058020160
ABSTRACT:
A multifunctional electronic watch of the present invention displays data measured by a built-in atmospheric pressure sensor by means of a small atmospheric pressure pointer and an atmospheric pressure pointer. It is also capable of displaying a differential between the present atmospheric pressure and an atmospheric pressure three hours before by means of an atmospheric pressure tendency pointer. A dial ring attached around a clockface of the watch is formed with an atmospheric pressure scale, on the outer periphery of which is a rotation bezel formed with a height scale. The built-in sensor is accommodated in the watch so as not to project from the rotation bezel of the watch. Accordingly, an electronic watch which has additional functions of indicating environmental data such as atmospheric pressure without complicating the constitution can be realized.
REFERENCES:
patent: 2510402 (1950-06-01), Johnston
patent: 4247112 (1981-01-01), Hubner
patent: 4257112 (1981-03-01), Hubner
patent: 4352168 (1982-09-01), Anderson
patent: 4561783 (1985-12-01), Iederrey
patent: 4783772 (1988-11-01), Umemoto et al.
patent: 5224059 (1993-06-01), Nitta et al.
patent: 5357488 (1994-10-01), Udo et al.
Akahane Hidehiro
Hayashi Youichi
Iijima Yoshitaka
Ito Mikiko
Kawaguchi Takashi
Janofsky Eric B.
Roskoski Bernard
Seiko Epson Corporation
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