JPH01129696U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram showing a first embodiment of an alarm clock according to the present invention, and FIGS. 2 and 3 are circuit diagrams showing a second embodiment and a third embodiment. 10...Reference signal generation circuit, 16...Clock circuit, 28...Alarm signal generation circuit, 34...Counter circuit, 44...Alarm sounding circuit, 52...
Alarm switch, 54...Alarm set circuit, 64...Sleep disturbance detection circuit, 66...Noise detection circuit, 74...Temperature detection circuit, 82...Temperature detection circuit, 96...Count delay generation circuit, 106...
...Count signal output circuit.

Claims (1)

[Claims for Utility Model Registration] (1) A reference signal generation circuit that outputs a plurality of reference signals, a clock circuit that displays the time based on one of the reference signals, and an externally operable alarm switch; an alarm set circuit that outputs a set signal in response to an operation signal from an alarm switch; an alarm signal generation circuit that outputs an alarm signal at an arbitrary set time while the set signal is being output; and an alarm signal generating circuit that outputs the set signal. a counter circuit that measures the time from when the alarm signal is output until the alarm signal is output; and an alarm sounding circuit that generates an alarm sound at a volume corresponding to the count value of the counter circuit when the alarm signal is output. A sleep disturbance detection circuit detects an external environment, outputs a disturbance detection signal when the environment is not in a preset state, and outputs a cancellation signal after a required time after outputting the disturbance detection signal; An alarm clock comprising: a count signal output circuit that stops outputting the count signal to the counter circuit in response to a detection signal and starts outputting the count signal in response to a release signal. (2) The sleep disturbance detection circuit includes a noise detection circuit that outputs a disturbance detection signal when it detects an external sound at a preset level or higher, and a release signal that outputs a disturbance detection signal after the required time has elapsed after the output of the disturbance detection signal has stopped. The alarm clock according to claim 1, further comprising: a count delay generation circuit that outputs a count delay generation circuit; (3) The sleep disturbance detection circuit includes a noise detection circuit that outputs a disturbance detection signal when an external sound exceeding a preset level is detected, a temperature detection circuit that includes a temperature sensor built into the alarm switch, and a disturbance detection circuit. A count delay generation circuit that outputs a release signal after a required time has elapsed after the output of the signal has stopped, is provided, and the output of the interference detection signal is stopped based on the temperature signal from the temperature detection circuit when the alarm switch is operated. 2. The alarm clock according to claim 1, further comprising a count delay generation circuit that sets the time required from 1 to 3 to output the release signal. (4) The sleep disturbance detection circuit includes a temperature detection circuit that outputs a temperature signal, and a disturbance detection circuit that outputs a disturbance detection signal when the temperature signal is outside a set range after a predetermined delay time has elapsed since the set signal was output. The alarm according to claim 1, further comprising: a temperature detection circuit that outputs a temperature detection circuit; and a count delay generation circuit that outputs a release signal after a lapse of a required time from when the set signal is output. clock. (5) The temperature sensor in the temperature detection circuit is incorporated into the alarm switch, and a count delay is generated to set the time required from outputting the set signal to outputting the release signal based on the temperature signal when the set signal is input. The alarm clock according to claim 4, characterized in that it is a circuit.