U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Communication device

Patent 6535461 Issued on March 18, 2003. Estimated Expiration Date: Icon_subject May 25, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Universal electronic timepiece
Patent #: 4109457
Issued on: 08/29/1978
Inventor: Laesser ,   et al.

Bidirectional data transfer and storage system
Patent #: 4130738
Issued on: 12/19/1978
Inventor: Sandstedt

Waterproof sport watch
Patent #: 4244044
Issued on: 01/06/1981
Inventor: Olsson

Wristwatch with message transmitter
Patent #: 5444671
Issued on: 08/22/1995
Inventor: Tschannen, et al.

Telephone on which the number called is composed by a crown of the horological type
Patent #: 5508978
Issued on: 04/16/1996
Inventor: Kalbermatter, et al.

Communication terminal apparatus
Patent #: 5715311
Issued on: 02/03/1998
Inventor: Sudo, et al.

Electronic apparatus having keyless control Patent #: 5754645
Issued on: 05/19/1998
Inventor: Metroka, et al.

Inventor

Assignee

Application

No. 577672 filed on 05/25/2000

US Classes:

368/10, COMBINED WITH DISPARATE DEVICE368/13, Telephone379/430, Body supported (e.g., headgear)379/433.01, Handset structure455/566, Having display455/575.6Attached or connected to user

Examiners

Primary: Miska, Vit W.

Attorney, Agent or Firm

Foreign Patent References

  • 0198576 EP. 10/14/1986
  • 0602828 EP 06/14/1994
  • 0782274 EP 07/14/1997
  • 0840465 EP 05/14/1998
  • 1391637 GB. 04/14/1975

International Classes

G04B 047/00
G04B 047/02
H04M 001/00
H04B 001/38

Foreign Application Priority Data

1999-05-26 GB

Abstract

A radio communication device is presented. The device is operated by user input means. The user input means comprise a circular ring which surrounds a display. The ring is mounted for rotational movement and by movement of the ring the functions of the communication device are controlled and information is entered. The communication device is preferably a wrist watch phone or a wrist phone

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