Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1996-12-10
1999-05-18
Hofsass, Jeffrey A.
Communications: electrical
Condition responsive indicating system
Specific condition
340663, 34082546, G08B21/00
Patent
active
059054379
ABSTRACT:
It is disclosed that a pager comprises: a receiving portion (1, 2) for receiving a radio wave paging signal and supplying a paging signal; an outputting portion (3, 6, 5) for outputting information when the paging signal is directed thereto; a power supplying portion (8, 9) for supplying a supply power; a detection portion (4) for detecting a voltage condition of the supply power; an operation portion (7) for generating a command signal in response to an operation; and an alarming portion (5, 6) for alarming when the operation portion generates the command signal after the detection of the low voltage condition. The pager may further comprise a timer (31) responsive to the detection portion. The alarming portion alarms in response to the timer if the operation portion does not generate the command signal within the predetermined time interval. The alarming portion generates an alarm sound or displays character data when the alarming portion alarms. There are two alarm sound tones, wherein one for the arrival of the paging signal and the other for informing the low voltage condition. The alarming portion may further alarm when detection of the low voltage condition.
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Hofsass Jeffrey A.
Matsushita Electric - Industrial Co., Ltd.
Trieu Van T.
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