Horology: time measuring systems or devices – Time interval – Electrical or electromechanical
Patent
1997-08-19
2000-11-07
Roskoski, Bernard
Horology: time measuring systems or devices
Time interval
Electrical or electromechanical
368109, G04B 3700
Patent
active
061446203
ABSTRACT:
An apparatus for monitoring an athletic activity and, more particularly, to an apparatus for facilitating the refereeing of an American football game is configured to be worn on either hand of the user and to be operated thereby, and is advantageously constructed to not interfere with movement of the hand. In one preferred embodiment, the apparatus includes a housing adapted to be worn on an operator's arm, a first timer associated with the housing for counting a first predetermined period of time, an occurrence counter associated with the housing for counting an occurrence of an event, a first signalling device displaced from the housing for generating a first signal to control the first timer, a second signalling device displaced from the housing for generating a second signal to control occurrence counter and a display associated with the housing and having a first display area for displaying the time remaining of the first predetermined period of time and a second display area for displaying the number of an occurrence of an event.
REFERENCES:
patent: 4387437 (1983-06-01), Lowrey et al.
patent: 4652141 (1987-03-01), Arai
patent: 4731766 (1988-03-01), Bunyea
patent: 4991156 (1991-02-01), Suga
patent: 5124960 (1992-06-01), Miller et al.
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