Alarm timer device

Details Alarm timer device Alarm timer device

1998-01-30

1999-11-30

Miska, Vit

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

368263, G04B 2302, G04B 2300, G04C 2100

Patent

active

059954558

ABSTRACT:
An alarm clock comprises circuitry for a primary alarm that causes an alarm to sound at a preset time of day and a secondary alarm which causes the alarm sound after countdown of a secondary alarm time period. The alarm clock includes a secondary alarm switch, a central processing unit and a memory electrically connected to the central processing unit and the secondary alarm switch. The memory contains a program which enables a user to set the alarm to activate at the end of the secondary alarm time period. The program preferably further provides that the secondary alarm period can also be set independent of whether the alarm has sounded at the primary alarm time or whether the primary alarm on/off switch is in an on or an off state. The program also preferably causes the secondary alarm time period to be displayed on the display unit. Also, an alarm clock comprises an alarm discontinue switch operable to discontinue activation of the alarm after the primary alarm time without changing the state of the primary alarm on/off switch to an off state.

REFERENCES:
patent: 4228645 (1980-10-01), Nomura
patent: 5379273 (1995-01-01), Horinec
patent: 5442600 (1995-08-01), Kutosky
patent: 5559495 (1996-09-01), Cochran

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